2024-04-23 20:50:28

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 00/14] HSI2, UFS & UFS phy support for Tensor GS101

Hi James, Martin, Alim, Bart, Krzysztof, Vinod, all

Firstly, many thanks to everyone who reviewed and tested v1.

This series adds support for the High Speed Interface (HSI) 2 clock
management unit, UFS controller and UFS phy calibration/tuning for GS101
found in Pixel 6.

With this series applied, UFS is now functional on gs101. The SKhynix
HN8T05BZGKX015 can be enumerated, partitions mounted etc. This allows us to
move away from the initramfs rootfs we have been using for development so far.

Merge Strategy
1) UFS driver/bindings via UFS/SCSI tree (James / Martin / Alim)
2) GS101 DTS/DTSI should go via Krzysztofs Exynos SoC tree
3) Clock driver/bindings via Clock tree (Krzysztof / Stephen)
4) PHY driver/bindings via PHY tree (Vinod)

The v2 series has been rebased on next-20240422, as such all the phy parts
which were already queued by Vinod have been dropped. Two new phy patches
are added to address review feedback received after the patches were queued.

The series is broadly split into the following parts:
1) dt-bindings documentation updates
2) gs101/oriole dts & dtsi updates
3) Prepatory patches for ufs-exynos driver
4) GS101 ufs-exynos support
5) gs101 phy fixes

As well as the v1 review feedback some additional cmu_hsi2 clocks were marked
as CLK_IGNORE_UNUSED in v2 so that all other remaining clocks in cmu_hsi2 can
be disabled and UFS will still be functional.

The sysreg clock was also moved from CLK_IS_CRITICAL in clk-gs101 to ufs node,
as the system is still functional with that clock disabled, however fine grained
clocking just around sysreg register accesses doesn't result in functional UFS.

kind regards,

Peter

Changes since v1:
- collect up tags
- google,gs101-clock: alphabetical ordering (Andre)
- re-order samsung,exynos-ufs.yaml as per Krzysztof review
- Ensure google,gs101.h dt-bindings is contained with bindings patch (Andre / Krzysztof)
- fix google,gs101-hsi2-sysreg size (0x10000 not 0x1000) (Andre)
- drop blank lines in clk-gs101 (Andre)
- cmu-hsi2 alphabetical ordering (Andre / Krzysztof)
- use GPIO defines in DT and add TODO pmic comment (Krzysztof)
- Add sysreg clock to ufs node (Andre)
- Mark additional cmu_hsi2 clocks with CLK_IGNORE_UNUSED flag (Peter)

lore v1: https://lore.kernel.org/linux-clk/[email protected]/

Peter Griffin (14):
dt-bindings: clock: google,gs101-clock: add HSI2 clock management
unit
dt-bindings: soc: google: exynos-sysreg: add dedicated hsi2 sysreg
compatible
dt-bindings: ufs: exynos-ufs: Add gs101 compatible
arm64: dts: exynos: gs101: enable cmu-hsi2 clock controller
arm64: dts: exynos: gs101: Add the hsi2 sysreg node
arm64: dts: exynos: gs101: Add ufs, ufs-phy and ufs regulator dt nodes
clk: samsung: gs101: add support for cmu_hsi2
scsi: ufs: host: ufs-exynos: Add EXYNOS_UFS_OPT_UFSPR_SECURE option
scsi: ufs: host: ufs-exynos: add EXYNOS_UFS_OPT_TIMER_TICK_SELECT
option
scsi: ufs: host: ufs-exynos: allow max frequencies up to 267Mhz
scsi: ufs: host: ufs-exynos: add some pa_dbg_ register offsets into
drvdata
scsi: ufs: host: ufs-exynos: Add support for Tensor gs101 SoC
phy: samsung-ufs: ufs: remove superfluous mfd/syscon.h header
phy: samsung-ufs: ufs: exit on first reported error

.../bindings/clock/google,gs101-clock.yaml | 30 +-
.../soc/samsung/samsung,exynos-sysreg.yaml | 2 +
.../bindings/ufs/samsung,exynos-ufs.yaml | 38 +-
.../boot/dts/exynos/google/gs101-oriole.dts | 18 +
arch/arm64/boot/dts/exynos/google/gs101.dtsi | 54 ++
drivers/clk/samsung/clk-gs101.c | 508 +++++++++++++++++-
drivers/phy/samsung/phy-samsung-ufs.c | 11 +-
drivers/ufs/host/ufs-exynos.c | 197 ++++++-
drivers/ufs/host/ufs-exynos.h | 24 +-
include/dt-bindings/clock/google,gs101.h | 63 +++
10 files changed, 921 insertions(+), 24 deletions(-)

--
2.44.0.769.g3c40516874-goog



2024-04-23 20:51:28

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 01/14] dt-bindings: clock: google,gs101-clock: add HSI2 clock management unit

Add dt schema documentation and clock IDs for the High Speed Interface
2 (HSI2) clock management unit. This CMU feeds high speed interfaces
such as PCIe and UFS.

Signed-off-by: Peter Griffin <[email protected]>
Reviewed-by: André Draszik <[email protected]>
---
.../bindings/clock/google,gs101-clock.yaml | 30 ++++++++-
include/dt-bindings/clock/google,gs101.h | 63 +++++++++++++++++++
2 files changed, 91 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/clock/google,gs101-clock.yaml b/Documentation/devicetree/bindings/clock/google,gs101-clock.yaml
index 1d2bcea41c85..8cb0ae4f9996 100644
--- a/Documentation/devicetree/bindings/clock/google,gs101-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/google,gs101-clock.yaml
@@ -29,17 +29,18 @@ properties:
enum:
- google,gs101-cmu-top
- google,gs101-cmu-apm
+ - google,gs101-cmu-hsi2
- google,gs101-cmu-misc
- google,gs101-cmu-peric0
- google,gs101-cmu-peric1

clocks:
minItems: 1
- maxItems: 3
+ maxItems: 5

clock-names:
minItems: 1
- maxItems: 3
+ maxItems: 5

"#clock-cells":
const: 1
@@ -72,6 +73,31 @@ allOf:
items:
- const: oscclk

+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - google,gs101-cmu-hsi2
+
+ then:
+ properties:
+ clocks:
+ items:
+ - description: External reference clock (24.576 MHz)
+ - description: High Speed Interface bus clock (from CMU_TOP)
+ - description: High Speed Interface pcie clock (from CMU_TOP)
+ - description: High Speed Interface ufs clock (from CMU_TOP)
+ - description: High Speed Interface mmc clock (from CMU_TOP)
+
+ clock-names:
+ items:
+ - const: oscclk
+ - const: bus
+ - const: pcie
+ - const: ufs_embd
+ - const: mmc_card
+
- if:
properties:
compatible:
diff --git a/include/dt-bindings/clock/google,gs101.h b/include/dt-bindings/clock/google,gs101.h
index 3dac3577788a..ac239ce6821b 100644
--- a/include/dt-bindings/clock/google,gs101.h
+++ b/include/dt-bindings/clock/google,gs101.h
@@ -518,4 +518,67 @@
#define CLK_GOUT_PERIC1_CLK_PERIC1_USI9_USI_CLK 45
#define CLK_GOUT_PERIC1_SYSREG_PERIC1_PCLK 46

+/* CMU_HSI2 */
+
+#define CLK_MOUT_HSI2_BUS_USER 1
+#define CLK_MOUT_HSI2_MMC_CARD_USER 2
+#define CLK_MOUT_HSI2_PCIE_USER 3
+#define CLK_MOUT_HSI2_UFS_EMBD_USER 4
+#define CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_003_PHY_REFCLK_IN 5
+#define CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_004_PHY_REFCLK_IN 6
+#define CLK_GOUT_HSI2_SSMT_PCIE_IA_GEN4A_1_ACLK 7
+#define CLK_GOUT_HSI2_SSMT_PCIE_IA_GEN4A_1_PCLK 8
+#define CLK_GOUT_HSI2_SSMT_PCIE_IA_GEN4B_1_ACLK 9
+#define CLK_GOUT_HSI2_SSMT_PCIE_IA_GEN4B_1_PCLK 10
+#define CLK_GOUT_HSI2_D_TZPC_HSI2_PCLK 11
+#define CLK_GOUT_HSI2_GPC_HSI2_PCLK 12
+#define CLK_GOUT_HSI2_GPIO_HSI2_PCLK 13
+#define CLK_GOUT_HSI2_HSI2_CMU_HSI2_PCLK 14
+#define CLK_GOUT_HSI2_LHM_AXI_P_HSI2_I_CLK 15
+#define CLK_GOUT_HSI2_LHS_ACEL_D_HSI2_I_CLK 16
+#define CLK_GOUT_HSI2_MMC_CARD_I_ACLK 17
+#define CLK_GOUT_HSI2_MMC_CARD_SDCLKIN 18
+#define CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_003_DBI_ACLK_UG 19
+#define CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_003_MSTR_ACLK_UG 20
+#define CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_003_SLV_ACLK_UG 21
+#define CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_003_I_DRIVER_APB_CLK 22
+#define CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_004_DBI_ACLK_UG 23
+#define CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_004_MSTR_ACLK_UG 24
+#define CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_004_SLV_ACLK_UG 25
+#define CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_004_I_DRIVER_APB_CLK 26
+#define CLK_GOUT_HSI2_PCIE_GEN4_1_PCS_PMA_PHY_UDBG_I_APB_PCLK 27
+#define CLK_GOUT_HSI2_PCIE_GEN4_1_PCS_PMA_PIPE_PAL_PCIE_I_APB_PCLK 28
+#define CLK_GOUT_HSI2_PCIE_GEN4_1_PCS_PMA_PCIEPHY210X2_QCH_I_APB_PCLK 29
+#define CLK_GOUT_HSI2_PCIE_IA_GEN4A_1_I_CLK 30
+#define CLK_GOUT_HSI2_PCIE_IA_GEN4B_1_I_CLK 31
+#define CLK_GOUT_HSI2_PPMU_HSI2_ACLK 32
+#define CLK_GOUT_HSI2_PPMU_HSI2_PCLK 33
+#define CLK_GOUT_HSI2_QE_MMC_CARD_HSI2_ACLK 34
+#define CLK_GOUT_HSI2_QE_MMC_CARD_HSI2_PCLK 35
+#define CLK_GOUT_HSI2_QE_PCIE_GEN4A_HSI2_ACLK 36
+#define CLK_GOUT_HSI2_QE_PCIE_GEN4A_HSI2_PCLK 37
+#define CLK_GOUT_HSI2_QE_PCIE_GEN4B_HSI2_ACLK 38
+#define CLK_GOUT_HSI2_QE_PCIE_GEN4B_HSI2_PCLK 39
+#define CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_ACLK 40
+#define CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_PCLK 41
+#define CLK_GOUT_HSI2_CLK_HSI2_BUS_CLK 42
+#define CLK_GOUT_HSI2_CLK_HSI2_OSCCLK_CLK 43
+#define CLK_GOUT_HSI2_SSMT_HSI2_ACLK 44
+#define CLK_GOUT_HSI2_SSMT_HSI2_PCLK 45
+#define CLK_GOUT_HSI2_SYSMMU_HSI2_CLK_S2 46
+#define CLK_GOUT_HSI2_SYSREG_HSI2_PCLK 47
+#define CLK_GOUT_HSI2_UASC_PCIE_GEN4A_DBI_1_ACLK 48
+#define CLK_GOUT_HSI2_UASC_PCIE_GEN4A_DBI_1_PCLK 49
+#define CLK_GOUT_HSI2_UASC_PCIE_GEN4A_SLV_1_ACLK 50
+#define CLK_GOUT_HSI2_UASC_PCIE_GEN4A_SLV_1_PCLK 51
+#define CLK_GOUT_HSI2_UASC_PCIE_GEN4B_DBI_1_ACLK 52
+#define CLK_GOUT_HSI2_UASC_PCIE_GEN4B_DBI_1_PCLK 53
+#define CLK_GOUT_HSI2_UASC_PCIE_GEN4B_SLV_1_ACLK 54
+#define CLK_GOUT_HSI2_UASC_PCIE_GEN4B_SLV_1_PCLK 55
+#define CLK_GOUT_HSI2_UFS_EMBD_I_ACLK 56
+#define CLK_GOUT_HSI2_UFS_EMBD_I_CLK_UNIPRO 57
+#define CLK_GOUT_HSI2_UFS_EMBD_I_FMP_CLK 58
+#define CLK_GOUT_HSI2_XIU_D_HSI2_ACLK 59
+#define CLK_GOUT_HSI2_XIU_P_HSI2_ACLK 60
+
#endif /* _DT_BINDINGS_CLOCK_GOOGLE_GS101_H */
--
2.44.0.769.g3c40516874-goog


2024-04-23 20:51:46

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 04/14] arm64: dts: exynos: gs101: enable cmu-hsi2 clock controller

Enable the cmu_hsi2 clock management unit. It feeds some of
the high speed interfaces such as PCIe and UFS.

Signed-off-by: Peter Griffin <[email protected]>
---
arch/arm64/boot/dts/exynos/google/gs101.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index eddb6b326fde..38ac4fb1397e 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -1253,6 +1253,18 @@ pinctrl_hsi1: pinctrl@11840000 {
interrupts = <GIC_SPI 471 IRQ_TYPE_LEVEL_HIGH 0>;
};

+ cmu_hsi2: clock-controller@14400000 {
+ compatible = "google,gs101-cmu-hsi2";
+ reg = <0x14400000 0x4000>;
+ #clock-cells = <1>;
+ clocks = <&ext_24_5m>,
+ <&cmu_top CLK_DOUT_CMU_HSI2_BUS>,
+ <&cmu_top CLK_DOUT_CMU_HSI2_PCIE>,
+ <&cmu_top CLK_DOUT_CMU_HSI2_UFS_EMBD>,
+ <&cmu_top CLK_DOUT_CMU_HSI2_MMC_CARD>;
+ clock-names = "oscclk", "bus", "pcie", "ufs_embd", "mmc_card";
+ };
+
pinctrl_hsi2: pinctrl@14440000 {
compatible = "google,gs101-pinctrl";
reg = <0x14440000 0x00001000>;
--
2.44.0.769.g3c40516874-goog


2024-04-23 20:52:26

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 06/14] arm64: dts: exynos: gs101: Add ufs, ufs-phy and ufs regulator dt nodes

Enable the ufs controller, ufs phy and ufs regulator in device tree.

Signed-off-by: Peter Griffin <[email protected]>
---
.../boot/dts/exynos/google/gs101-oriole.dts | 18 ++++++++++
arch/arm64/boot/dts/exynos/google/gs101.dtsi | 36 +++++++++++++++++++
2 files changed, 54 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
index 6be15e990b65..fb32f6ce2a4d 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
+++ b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
@@ -53,6 +53,15 @@ button-power {
wakeup-source;
};
};
+
+ /* TODO: Remove this once S2MPG11 slave PMIC is implemented */
+ ufs_0_fixed_vcc_reg: regulator-0 {
+ compatible = "regulator-fixed";
+ regulator-name = "ufs-vcc";
+ gpio = <&gpp0 1 GPIO_ACTIVE_HIGH>;
+ regulator-boot-on;
+ enable-active-high;
+ };
};

&ext_24_5m {
@@ -106,6 +115,15 @@ &serial_0 {
status = "okay";
};

+&ufs_0 {
+ status = "okay";
+ vcc-supply = <&ufs_0_fixed_vcc_reg>;
+};
+
+&ufs_0_phy {
+ status = "okay";
+};
+
&usi_uart {
samsung,clkreq-on; /* needed for UART mode */
status = "okay";
diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index 09044deede63..baf630b13154 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -1277,6 +1277,42 @@ pinctrl_hsi2: pinctrl@14440000 {
interrupts = <GIC_SPI 503 IRQ_TYPE_LEVEL_HIGH 0>;
};

+ ufs_0_phy: phy@17e04000 {
+ compatible = "google,gs101-ufs-phy";
+ reg = <0x14704000 0x3000>;
+ reg-names = "phy-pma";
+ samsung,pmu-syscon = <&pmu_system_controller>;
+ #phy-cells = <0>;
+ clocks = <&ext_24_5m>;
+ clock-names = "ref_clk";
+ status = "disabled";
+ };
+
+ ufs_0: ufs@14700000 {
+ compatible = "google,gs101-ufs";
+ reg = <0x14700000 0x200>,
+ <0x14701100 0x200>,
+ <0x14780000 0xa000>,
+ <0x14600000 0x100>;
+ reg-names = "hci", "vs_hci", "unipro", "ufsp";
+ interrupts = <GIC_SPI 532 IRQ_TYPE_LEVEL_HIGH 0>;
+ clocks = <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_ACLK>,
+ <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_CLK_UNIPRO>,
+ <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_FMP_CLK>,
+ <&cmu_hsi2 CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_ACLK>,
+ <&cmu_hsi2 CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_PCLK>,
+ <&cmu_hsi2 CLK_GOUT_HSI2_SYSREG_HSI2_PCLK>;
+ clock-names = "core_clk", "sclk_unipro_main", "fmp",
+ "ufs_aclk", "ufs_pclk", "sysreg";
+ freq-table-hz = <0 0>, <0 0>, <0 0>, <0 0>, <0 0>, <0 0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&ufs_rst_n &ufs_refclk_out>;
+ phys = <&ufs_0_phy>;
+ phy-names = "ufs-phy";
+ samsung,sysreg = <&sysreg_hsi2 0x710>;
+ status = "disabled";
+ };
+
cmu_apm: clock-controller@17400000 {
compatible = "google,gs101-cmu-apm";
reg = <0x17400000 0x8000>;
--
2.44.0.769.g3c40516874-goog


2024-04-23 20:52:52

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 08/14] scsi: ufs: host: ufs-exynos: Add EXYNOS_UFS_OPT_UFSPR_SECURE option

This option is intended to be set on platforms whose ufspr
registers are only accessible via smc call (such as gs101).

Signed-off-by: Peter Griffin <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Tested-by: Will McVicker <[email protected]>
---
drivers/ufs/host/ufs-exynos.c | 4 +++-
drivers/ufs/host/ufs-exynos.h | 1 +
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/ufs/host/ufs-exynos.c b/drivers/ufs/host/ufs-exynos.c
index e8d3302f6df0..66e52c3607e2 100644
--- a/drivers/ufs/host/ufs-exynos.c
+++ b/drivers/ufs/host/ufs-exynos.c
@@ -1186,7 +1186,9 @@ static int exynos_ufs_init(struct ufs_hba *hba)
if (ret)
goto out;
exynos_ufs_specify_phy_time_attr(ufs);
- exynos_ufs_config_smu(ufs);
+
+ if (!(ufs->opts & EXYNOS_UFS_OPT_UFSPR_SECURE))
+ exynos_ufs_config_smu(ufs);

hba->host->dma_alignment = SZ_4K - 1;
return 0;
diff --git a/drivers/ufs/host/ufs-exynos.h b/drivers/ufs/host/ufs-exynos.h
index a4bd6646d7f1..0fc21b6bbfcd 100644
--- a/drivers/ufs/host/ufs-exynos.h
+++ b/drivers/ufs/host/ufs-exynos.h
@@ -221,6 +221,7 @@ struct exynos_ufs {
#define EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX BIT(3)
#define EXYNOS_UFS_OPT_USE_SW_HIBERN8_TIMER BIT(4)
#define EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR BIT(5)
+#define EXYNOS_UFS_OPT_UFSPR_SECURE BIT(6)
};

#define for_each_ufs_rx_lane(ufs, i) \
--
2.44.0.769.g3c40516874-goog


2024-04-23 20:53:21

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 10/14] scsi: ufs: host: ufs-exynos: allow max frequencies up to 267Mhz

Platforms such as Tensor gs101 the pclk frequency is 267Mhz.
Increase PCLK_AVAIL_MAX so we don't fail the frequency check.

Signed-off-by: Peter Griffin <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Tested-by: Will McVicker <[email protected]>
---
drivers/ufs/host/ufs-exynos.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ufs/host/ufs-exynos.h b/drivers/ufs/host/ufs-exynos.h
index acf07cc54684..7acc13914100 100644
--- a/drivers/ufs/host/ufs-exynos.h
+++ b/drivers/ufs/host/ufs-exynos.h
@@ -116,7 +116,7 @@ struct exynos_ufs;
#define PA_HIBERN8TIME_VAL 0x20

#define PCLK_AVAIL_MIN 70000000
-#define PCLK_AVAIL_MAX 167000000
+#define PCLK_AVAIL_MAX 267000000

struct exynos_ufs_uic_attr {
/* TX Attributes */
--
2.44.0.769.g3c40516874-goog


2024-04-23 20:53:44

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 07/14] clk: samsung: gs101: add support for cmu_hsi2

CMU_HSI2 is the clock management unit used for the hsi2 block.
HSI stands for High Speed Interface and as such it generates
clocks for PCIe, UFS and MMC card.

This patch adds support for the muxes, dividers, and gates in
cmu_hsi2.

The following clocks are marked CLK_IS_CRITICAL as disabling
them results in an immediate system hang.
CLK_GOUT_HSI2_HSI2_CMU_HSI2_PCLK
CLK_GOUT_HSI2_LHM_AXI_P_HSI2_I_CLK

The following clocks are marked CLK_IGNORE_UNUSED as they are
needed for UFS to be functional.
CLK_GOUT_HSI2_SSMT_HSI2_ACLK
CLK_GOUT_HSI2_SSMT_HSI2_PCLK
CLK_GOUT_HSI2_LHS_ACEL_D_HSI2_I_CLK
CLK_GOUT_HSI2_SYSMMU_HSI2_CLK_S2
CLK_GOUT_HSI2_XIU_D_HSI2_ACLK
CLK_GOUT_HSI2_XIU_P_HSI2_ACLK

CLK_GOUT_HSI2_GPIO_HSI2_PCLK is marked CLK_IGNORE_UNUSED until
the exynos pinctrl clock patches land then it can be removed.

Some clocks in this unit have very long names. To help with this
the clock name mangling strategy was updated to include removing
the following sub-strings.
- G4X2_DWC_PCIE_CTL_
- G4X1_DWC_PCIE_CTL_
- PCIE_SUB_CTRL_
- INST_0_
- LN05LPE_
- TM_WRAPPER_
- SF_

Signed-off-by: Peter Griffin <[email protected]>

---
Updated regex for clock name mangling
sed \
-e 's|^PLL_LOCKTIME_PLL_\([^_]\+\)|fout_\L\1_pll|' \
\
-e 's|^PLL_CON0_MUX_CLKCMU_\([^_]\+\)_\(.*\)|mout_\L\1_\2|' \
-e 's|^PLL_CON0_PLL_\(.*\)|mout_pll_\L\1|' \
-e 's|^CLK_CON_MUX_MUX_CLK_\(.*\)|mout_\L\1|' \
-e '/^PLL_CON[1-4]_[^_]\+_/d' \
-e '/^[^_]\+_CMU_[^_]\+_CONTROLLER_OPTION/d' \
-e '/^CLKOUT_CON_BLK_[^_]\+_CMU_[^_]\+_CLKOUT0/d' \
\
-e 's|_IPCLKPORT||' \
-e 's|_RSTNSYNC||' \
-e 's|_G4X2_DWC_PCIE_CTL||' \
-e 's|_G4X1_DWC_PCIE_CTL||' \
-e 's|_PCIE_SUB_CTRL||' \
-e 's|_INST_0||g' \
-e 's|_LN05LPE||' \
-e 's|_TM_WRAPPER||' \
-e 's|_SF||' \
\
-e 's|^CLK_CON_DIV_DIV_CLK_\([^_]\+\)_\(.*\)|dout_\L\1_\2|' \
\
-e 's|^CLK_CON_BUF_CLKBUF_\([^_]\+\)_\(.*\)|gout_\L\1_\2|' \
-e 's|^CLK_CON_GAT_CLK_BLK_\([^_]\+\)_UID_\(.*\)|gout_\L\1_\2|' \
-e 's|^gout_[^_]\+_[^_]\+_cmu_\([^_]\+\)_pclk$|gout_\1_\1_pclk|' \
-e 's|^CLK_CON_GAT_GOUT_BLK_\([^_]\+\)_UID_\(.*\)|gout_\L\1_\2|' \
-e 's|^CLK_CON_GAT_CLK_\([^_]\+\)_\(.*\)|gout_\L\1_clk_\L\1_\2|' \
\
-e '/^\(DMYQCH\|PCH\|QCH\|QUEUE\)_/d'
---
drivers/clk/samsung/clk-gs101.c | 508 +++++++++++++++++++++++++++++++-
1 file changed, 507 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/samsung/clk-gs101.c b/drivers/clk/samsung/clk-gs101.c
index d065e343a85d..983bf52c7165 100644
--- a/drivers/clk/samsung/clk-gs101.c
+++ b/drivers/clk/samsung/clk-gs101.c
@@ -22,6 +22,7 @@
#define CLKS_NR_MISC (CLK_GOUT_MISC_XIU_D_MISC_ACLK + 1)
#define CLKS_NR_PERIC0 (CLK_GOUT_PERIC0_SYSREG_PERIC0_PCLK + 1)
#define CLKS_NR_PERIC1 (CLK_GOUT_PERIC1_SYSREG_PERIC1_PCLK + 1)
+#define CLKS_NR_HSI2 (CLK_GOUT_HSI2_XIU_P_HSI2_ACLK + 1)

/* ---- CMU_TOP ------------------------------------------------------------- */

@@ -1919,6 +1920,509 @@ static const struct samsung_cmu_info apm_cmu_info __initconst = {
.nr_clk_regs = ARRAY_SIZE(apm_clk_regs),
};

+/* ---- CMU_HSI2 ------------------------------------------------------------ */
+
+/* Register Offset definitions for CMU_HSI2 (0x14400000) */
+#define PLL_CON0_MUX_CLKCMU_HSI2_BUS_USER 0x0600
+#define PLL_CON1_MUX_CLKCMU_HSI2_BUS_USER 0x0604
+#define PLL_CON0_MUX_CLKCMU_HSI2_MMC_CARD_USER 0x0610
+#define PLL_CON1_MUX_CLKCMU_HSI2_MMC_CARD_USER 0x0614
+#define PLL_CON0_MUX_CLKCMU_HSI2_PCIE_USER 0x0620
+#define PLL_CON1_MUX_CLKCMU_HSI2_PCIE_USER 0x0624
+#define PLL_CON0_MUX_CLKCMU_HSI2_UFS_EMBD_USER 0x0630
+#define PLL_CON1_MUX_CLKCMU_HSI2_UFS_EMBD_USER 0x0634
+#define HSI2_CMU_HSI2_CONTROLLER_OPTION 0x0800
+#define CLKOUT_CON_BLK_HSI2_CMU_HSI2_CLKOUT0 0x0810
+#define CLK_CON_GAT_CLK_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_PCIE_SUB_CTRL_INST_0_PHY_REFCLK_IN 0x2000
+#define CLK_CON_GAT_CLK_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_PCIE_SUB_CTRL_INST_0_PHY_REFCLK_IN 0x2004
+#define CLK_CON_GAT_CLK_BLK_HSI2_UID_SSMT_PCIE_IA_GEN4A_1_IPCLKPORT_ACLK 0x2008
+#define CLK_CON_GAT_CLK_BLK_HSI2_UID_SSMT_PCIE_IA_GEN4A_1_IPCLKPORT_PCLK 0x200c
+#define CLK_CON_GAT_CLK_BLK_HSI2_UID_SSMT_PCIE_IA_GEN4B_1_IPCLKPORT_ACLK 0x2010
+#define CLK_CON_GAT_CLK_BLK_HSI2_UID_SSMT_PCIE_IA_GEN4B_1_IPCLKPORT_PCLK 0x2014
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_D_TZPC_HSI2_IPCLKPORT_PCLK 0x201c
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_GPC_HSI2_IPCLKPORT_PCLK 0x2020
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_GPIO_HSI2_IPCLKPORT_PCLK 0x2024
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_HSI2_CMU_HSI2_IPCLKPORT_PCLK 0x2028
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_LHM_AXI_P_HSI2_IPCLKPORT_I_CLK 0x202c
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_LHS_ACEL_D_HSI2_IPCLKPORT_I_CLK 0x2030
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_MMC_CARD_IPCLKPORT_I_ACLK 0x2034
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_MMC_CARD_IPCLKPORT_SDCLKIN 0x2038
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_G4X2_DWC_PCIE_CTL_INST_0_DBI_ACLK_UG 0x203c
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_G4X2_DWC_PCIE_CTL_INST_0_MSTR_ACLK_UG 0x2040
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_G4X2_DWC_PCIE_CTL_INST_0_SLV_ACLK_UG 0x2044
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_PCIE_SUB_CTRL_INST_0_I_DRIVER_APB_CLK 0x2048
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_G4X1_DWC_PCIE_CTL_INST_0_DBI_ACLK_UG 0x204c
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_G4X1_DWC_PCIE_CTL_INST_0_MSTR_ACLK_UG 0x2050
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_G4X1_DWC_PCIE_CTL_INST_0_SLV_ACLK_UG 0x2054
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_PCIE_SUB_CTRL_INST_0_I_DRIVER_APB_CLK 0x2058
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCS_PMA_INST_0_PHY_UDBG_I_APB_PCLK 0x205c
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCS_PMA_INST_0_PIPE_PAL_PCIE_INST_0_I_APB_PCLK 0x2060
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCS_PMA_INST_0_SF_PCIEPHY210X2_LN05LPE_QCH_TM_WRAPPER_INST_0_I_APB_PCLK 0x2064
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_IA_GEN4A_1_IPCLKPORT_I_CLK 0x2068
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_IA_GEN4B_1_IPCLKPORT_I_CLK 0x206c
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PPMU_HSI2_IPCLKPORT_ACLK 0x2070
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_PPMU_HSI2_IPCLKPORT_PCLK 0x2074
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_MMC_CARD_HSI2_IPCLKPORT_ACLK 0x2078
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_MMC_CARD_HSI2_IPCLKPORT_PCLK 0x207c
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_PCIE_GEN4A_HSI2_IPCLKPORT_ACLK 0x2080
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_PCIE_GEN4A_HSI2_IPCLKPORT_PCLK 0x2084
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_PCIE_GEN4B_HSI2_IPCLKPORT_ACLK 0x2088
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_PCIE_GEN4B_HSI2_IPCLKPORT_PCLK 0x208c
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_UFS_EMBD_HSI2_IPCLKPORT_ACLK 0x2090
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_UFS_EMBD_HSI2_IPCLKPORT_PCLK 0x2094
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_RSTNSYNC_CLK_HSI2_BUS_IPCLKPORT_CLK 0x2098
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_RSTNSYNC_CLK_HSI2_OSCCLK_IPCLKPORT_CLK 0x209c
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_SSMT_HSI2_IPCLKPORT_ACLK 0x20a0
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_SSMT_HSI2_IPCLKPORT_PCLK 0x20a4
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_SYSMMU_HSI2_IPCLKPORT_CLK_S2 0x20a8
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_SYSREG_HSI2_IPCLKPORT_PCLK 0x20ac
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4A_DBI_1_IPCLKPORT_ACLK 0x20b0
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4A_DBI_1_IPCLKPORT_PCLK 0x20b4
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4A_SLV_1_IPCLKPORT_ACLK 0x20b8
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4A_SLV_1_IPCLKPORT_PCLK 0x20bc
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4B_DBI_1_IPCLKPORT_ACLK 0x20c0
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4B_DBI_1_IPCLKPORT_PCLK 0x20c4
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4B_SLV_1_IPCLKPORT_ACLK 0x20c8
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4B_SLV_1_IPCLKPORT_PCLK 0x20cc
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_UFS_EMBD_IPCLKPORT_I_ACLK 0x20d0
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_UFS_EMBD_IPCLKPORT_I_CLK_UNIPRO 0x20d4
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_UFS_EMBD_IPCLKPORT_I_FMP_CLK 0x20d8
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_XIU_D_HSI2_IPCLKPORT_ACLK 0x20dc
+#define CLK_CON_GAT_GOUT_BLK_HSI2_UID_XIU_P_HSI2_IPCLKPORT_ACLK 0x20e0
+#define DMYQCH_CON_PCIE_GEN4_1_QCH_SCLK_1 0x3000
+#define PCH_CON_LHM_AXI_P_HSI2_PCH 0x3008
+#define PCH_CON_LHS_ACEL_D_HSI2_PCH 0x300c
+#define QCH_CON_D_TZPC_HSI2_QCH 0x3010
+#define QCH_CON_GPC_HSI2_QCH 0x3014
+#define QCH_CON_GPIO_HSI2_QCH 0x3018
+#define QCH_CON_HSI2_CMU_HSI2_QCH 0x301c
+#define QCH_CON_LHM_AXI_P_HSI2_QCH 0x3020
+#define QCH_CON_LHS_ACEL_D_HSI2_QCH 0x3024
+#define QCH_CON_MMC_CARD_QCH 0x3028
+#define QCH_CON_PCIE_GEN4_1_QCH_APB_1 0x302c
+#define QCH_CON_PCIE_GEN4_1_QCH_APB_2 0x3030
+#define QCH_CON_PCIE_GEN4_1_QCH_AXI_1 0x3034
+#define QCH_CON_PCIE_GEN4_1_QCH_AXI_2 0x3038
+#define QCH_CON_PCIE_GEN4_1_QCH_DBG_1 0x303c
+#define QCH_CON_PCIE_GEN4_1_QCH_DBG_2 0x3040
+#define QCH_CON_PCIE_GEN4_1_QCH_PCS_APB 0x3044
+#define QCH_CON_PCIE_GEN4_1_QCH_PMA_APB 0x3048
+#define QCH_CON_PCIE_GEN4_1_QCH_UDBG 0x304c
+#define QCH_CON_PCIE_IA_GEN4A_1_QCH 0x3050
+#define QCH_CON_PCIE_IA_GEN4B_1_QCH 0x3054
+#define QCH_CON_PPMU_HSI2_QCH 0x3058
+#define QCH_CON_QE_MMC_CARD_HSI2_QCH 0x305c
+#define QCH_CON_QE_PCIE_GEN4A_HSI2_QCH 0x3060
+#define QCH_CON_QE_PCIE_GEN4B_HSI2_QCH 0x3064
+#define QCH_CON_QE_UFS_EMBD_HSI2_QCH 0x3068
+#define QCH_CON_SSMT_HSI2_QCH 0x306c
+#define QCH_CON_SSMT_PCIE_IA_GEN4A_1_QCH 0x3070
+#define QCH_CON_SSMT_PCIE_IA_GEN4B_1_QCH 0x3074
+#define QCH_CON_SYSMMU_HSI2_QCH 0x3078
+#define QCH_CON_SYSREG_HSI2_QCH 0x307c
+#define QCH_CON_UASC_PCIE_GEN4A_DBI_1_QCH 0x3080
+#define QCH_CON_UASC_PCIE_GEN4A_SLV_1_QCH 0x3084
+#define QCH_CON_UASC_PCIE_GEN4B_DBI_1_QCH 0x3088
+#define QCH_CON_UASC_PCIE_GEN4B_SLV_1_QCH 0x308c
+#define QCH_CON_UFS_EMBD_QCH 0x3090
+#define QCH_CON_UFS_EMBD_QCH_FMP 0x3094
+#define QUEUE_CTRL_REG_BLK_HSI2_CMU_HSI2 0x3c00
+
+static const unsigned long cmu_hsi2_clk_regs[] __initconst = {
+ PLL_CON0_MUX_CLKCMU_HSI2_BUS_USER,
+ PLL_CON1_MUX_CLKCMU_HSI2_BUS_USER,
+ PLL_CON0_MUX_CLKCMU_HSI2_MMC_CARD_USER,
+ PLL_CON1_MUX_CLKCMU_HSI2_MMC_CARD_USER,
+ PLL_CON0_MUX_CLKCMU_HSI2_PCIE_USER,
+ PLL_CON1_MUX_CLKCMU_HSI2_PCIE_USER,
+ PLL_CON0_MUX_CLKCMU_HSI2_UFS_EMBD_USER,
+ PLL_CON1_MUX_CLKCMU_HSI2_UFS_EMBD_USER,
+ HSI2_CMU_HSI2_CONTROLLER_OPTION,
+ CLKOUT_CON_BLK_HSI2_CMU_HSI2_CLKOUT0,
+ CLK_CON_GAT_CLK_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_PCIE_SUB_CTRL_INST_0_PHY_REFCLK_IN,
+ CLK_CON_GAT_CLK_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_PCIE_SUB_CTRL_INST_0_PHY_REFCLK_IN,
+ CLK_CON_GAT_CLK_BLK_HSI2_UID_SSMT_PCIE_IA_GEN4A_1_IPCLKPORT_ACLK,
+ CLK_CON_GAT_CLK_BLK_HSI2_UID_SSMT_PCIE_IA_GEN4A_1_IPCLKPORT_PCLK,
+ CLK_CON_GAT_CLK_BLK_HSI2_UID_SSMT_PCIE_IA_GEN4B_1_IPCLKPORT_ACLK,
+ CLK_CON_GAT_CLK_BLK_HSI2_UID_SSMT_PCIE_IA_GEN4B_1_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_D_TZPC_HSI2_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_GPC_HSI2_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_GPIO_HSI2_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_HSI2_CMU_HSI2_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_LHM_AXI_P_HSI2_IPCLKPORT_I_CLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_LHS_ACEL_D_HSI2_IPCLKPORT_I_CLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_MMC_CARD_IPCLKPORT_I_ACLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_MMC_CARD_IPCLKPORT_SDCLKIN,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_G4X2_DWC_PCIE_CTL_INST_0_DBI_ACLK_UG,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_G4X2_DWC_PCIE_CTL_INST_0_MSTR_ACLK_UG,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_G4X2_DWC_PCIE_CTL_INST_0_SLV_ACLK_UG,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_PCIE_SUB_CTRL_INST_0_I_DRIVER_APB_CLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_G4X1_DWC_PCIE_CTL_INST_0_DBI_ACLK_UG,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_G4X1_DWC_PCIE_CTL_INST_0_MSTR_ACLK_UG,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_G4X1_DWC_PCIE_CTL_INST_0_SLV_ACLK_UG,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_PCIE_SUB_CTRL_INST_0_I_DRIVER_APB_CLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCS_PMA_INST_0_PHY_UDBG_I_APB_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCS_PMA_INST_0_PIPE_PAL_PCIE_INST_0_I_APB_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCS_PMA_INST_0_SF_PCIEPHY210X2_LN05LPE_QCH_TM_WRAPPER_INST_0_I_APB_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_IA_GEN4A_1_IPCLKPORT_I_CLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_IA_GEN4B_1_IPCLKPORT_I_CLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PPMU_HSI2_IPCLKPORT_ACLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PPMU_HSI2_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_MMC_CARD_HSI2_IPCLKPORT_ACLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_MMC_CARD_HSI2_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_PCIE_GEN4A_HSI2_IPCLKPORT_ACLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_PCIE_GEN4A_HSI2_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_PCIE_GEN4B_HSI2_IPCLKPORT_ACLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_PCIE_GEN4B_HSI2_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_UFS_EMBD_HSI2_IPCLKPORT_ACLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_UFS_EMBD_HSI2_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_RSTNSYNC_CLK_HSI2_BUS_IPCLKPORT_CLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_RSTNSYNC_CLK_HSI2_OSCCLK_IPCLKPORT_CLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_SSMT_HSI2_IPCLKPORT_ACLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_SSMT_HSI2_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_SYSMMU_HSI2_IPCLKPORT_CLK_S2,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_SYSREG_HSI2_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4A_DBI_1_IPCLKPORT_ACLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4A_DBI_1_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4A_SLV_1_IPCLKPORT_ACLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4A_SLV_1_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4B_DBI_1_IPCLKPORT_ACLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4B_DBI_1_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4B_SLV_1_IPCLKPORT_ACLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4B_SLV_1_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UFS_EMBD_IPCLKPORT_I_ACLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UFS_EMBD_IPCLKPORT_I_CLK_UNIPRO,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UFS_EMBD_IPCLKPORT_I_FMP_CLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_XIU_D_HSI2_IPCLKPORT_ACLK,
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_XIU_P_HSI2_IPCLKPORT_ACLK,
+ DMYQCH_CON_PCIE_GEN4_1_QCH_SCLK_1,
+ PCH_CON_LHM_AXI_P_HSI2_PCH,
+ PCH_CON_LHS_ACEL_D_HSI2_PCH,
+ QCH_CON_D_TZPC_HSI2_QCH,
+ QCH_CON_GPC_HSI2_QCH,
+ QCH_CON_GPIO_HSI2_QCH,
+ QCH_CON_HSI2_CMU_HSI2_QCH,
+ QCH_CON_LHM_AXI_P_HSI2_QCH,
+ QCH_CON_LHS_ACEL_D_HSI2_QCH,
+ QCH_CON_MMC_CARD_QCH,
+ QCH_CON_PCIE_GEN4_1_QCH_APB_1,
+ QCH_CON_PCIE_GEN4_1_QCH_APB_2,
+ QCH_CON_PCIE_GEN4_1_QCH_AXI_1,
+ QCH_CON_PCIE_GEN4_1_QCH_AXI_2,
+ QCH_CON_PCIE_GEN4_1_QCH_DBG_1,
+ QCH_CON_PCIE_GEN4_1_QCH_DBG_2,
+ QCH_CON_PCIE_GEN4_1_QCH_PCS_APB,
+ QCH_CON_PCIE_GEN4_1_QCH_PMA_APB,
+ QCH_CON_PCIE_GEN4_1_QCH_UDBG,
+ QCH_CON_PCIE_IA_GEN4A_1_QCH,
+ QCH_CON_PCIE_IA_GEN4B_1_QCH,
+ QCH_CON_PPMU_HSI2_QCH,
+ QCH_CON_QE_MMC_CARD_HSI2_QCH,
+ QCH_CON_QE_PCIE_GEN4A_HSI2_QCH,
+ QCH_CON_QE_PCIE_GEN4B_HSI2_QCH,
+ QCH_CON_QE_UFS_EMBD_HSI2_QCH,
+ QCH_CON_SSMT_HSI2_QCH,
+ QCH_CON_SSMT_PCIE_IA_GEN4A_1_QCH,
+ QCH_CON_SSMT_PCIE_IA_GEN4B_1_QCH,
+ QCH_CON_SYSMMU_HSI2_QCH,
+ QCH_CON_SYSREG_HSI2_QCH,
+ QCH_CON_UASC_PCIE_GEN4A_DBI_1_QCH,
+ QCH_CON_UASC_PCIE_GEN4A_SLV_1_QCH,
+ QCH_CON_UASC_PCIE_GEN4B_DBI_1_QCH,
+ QCH_CON_UASC_PCIE_GEN4B_SLV_1_QCH,
+ QCH_CON_UFS_EMBD_QCH,
+ QCH_CON_UFS_EMBD_QCH_FMP,
+ QUEUE_CTRL_REG_BLK_HSI2_CMU_HSI2,
+};
+
+PNAME(mout_hsi2_ufs_embd_p) = { "oscclk", "dout_cmu_shared0_div4",
+ "dout_cmu_shared2_div2", "fout_spare_pll" };
+
+PNAME(mout_hsi2_pcie_p) = { "oscclk", "dout_cmu_shared2_div2" };
+
+PNAME(mout_hsi2_bus_p) = { "dout_cmu_shared0_div4",
+ "dout_cmu_shared1_div4",
+ "dout_cmu_shared2_div2",
+ "dout_cmu_shared3_div2",
+ "fout_spare_pll", "oscclk", "oscclk",
+ "oscclk" };
+
+PNAME(mout_hsi2_mmc_card_p) = { "fout_shared2_pll", "fout_shared3_pll",
+ "dout_cmu_shared0_div4", "fout_spare_pll" };
+
+PNAME(mout_hsi2_bus_user_p) = { "oscclk", "dout_cmu_hsi2_bus" };
+PNAME(mout_hsi2_mmc_card_user_p) = { "oscclk", "dout_cmu_hsi2_mmc_card" };
+PNAME(mout_hsi2_pcie_user_p) = { "oscclk", "dout_cmu_hsi2_pcie" };
+PNAME(mout_hsi2_ufs_embd_user_p) = { "oscclk", "dout_cmu_hsi2_ufs_embd" };
+
+static const struct samsung_mux_clock hsi2_mux_clks[] __initconst = {
+ MUX(CLK_MOUT_HSI2_BUS_USER, "mout_hsi2_bus_user", mout_hsi2_bus_user_p,
+ PLL_CON0_MUX_CLKCMU_HSI2_BUS_USER, 4, 1),
+ MUX(CLK_MOUT_HSI2_MMC_CARD_USER, "mout_hsi2_mmc_card_user",
+ mout_hsi2_mmc_card_user_p, PLL_CON0_MUX_CLKCMU_HSI2_MMC_CARD_USER,
+ 4, 1),
+ MUX(CLK_MOUT_HSI2_PCIE_USER, "mout_hsi2_pcie_user",
+ mout_hsi2_pcie_user_p, PLL_CON0_MUX_CLKCMU_HSI2_PCIE_USER,
+ 4, 1),
+ MUX(CLK_MOUT_HSI2_UFS_EMBD_USER, "mout_hsi2_ufs_embd_user",
+ mout_hsi2_ufs_embd_user_p, PLL_CON0_MUX_CLKCMU_HSI2_UFS_EMBD_USER,
+ 4, 1),
+};
+
+static const struct samsung_gate_clock hsi2_gate_clks[] __initconst = {
+ GATE(CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_003_PHY_REFCLK_IN,
+ "gout_hsi2_pcie_gen4_1_pcie_003_phy_refclk_in",
+ "mout_hsi2_pcie_user",
+ CLK_CON_GAT_CLK_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_PCIE_SUB_CTRL_INST_0_PHY_REFCLK_IN,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_004_PHY_REFCLK_IN,
+ "gout_hsi2_pcie_gen4_1_pcie_004_phy_refclk_in",
+ "mout_hsi2_pcie_user",
+ CLK_CON_GAT_CLK_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_PCIE_SUB_CTRL_INST_0_PHY_REFCLK_IN,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_SSMT_PCIE_IA_GEN4A_1_ACLK,
+ "gout_hsi2_ssmt_pcie_ia_gen4a_1_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_CLK_BLK_HSI2_UID_SSMT_PCIE_IA_GEN4A_1_IPCLKPORT_ACLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_SSMT_PCIE_IA_GEN4A_1_PCLK,
+ "gout_hsi2_ssmt_pcie_ia_gen4a_1_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_CLK_BLK_HSI2_UID_SSMT_PCIE_IA_GEN4A_1_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_SSMT_PCIE_IA_GEN4B_1_ACLK,
+ "gout_hsi2_ssmt_pcie_ia_gen4b_1_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_CLK_BLK_HSI2_UID_SSMT_PCIE_IA_GEN4B_1_IPCLKPORT_ACLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_SSMT_PCIE_IA_GEN4B_1_PCLK,
+ "gout_hsi2_ssmt_pcie_ia_gen4b_1_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_CLK_BLK_HSI2_UID_SSMT_PCIE_IA_GEN4B_1_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_D_TZPC_HSI2_PCLK,
+ "gout_hsi2_d_tzpc_hsi2_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_D_TZPC_HSI2_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_GPC_HSI2_PCLK,
+ "gout_hsi2_gpc_hsi2_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_GPC_HSI2_IPCLKPORT_PCLK, 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_GPIO_HSI2_PCLK,
+ "gout_hsi2_gpio_hsi2_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_GPIO_HSI2_IPCLKPORT_PCLK, 21,
+ CLK_IGNORE_UNUSED, 0),
+ /* Disabling this clock makes the system hang. Mark the clock as critical. */
+ GATE(CLK_GOUT_HSI2_HSI2_CMU_HSI2_PCLK,
+ "gout_hsi2_hsi2_cmu_hsi2_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_HSI2_CMU_HSI2_IPCLKPORT_PCLK,
+ 21, CLK_IS_CRITICAL, 0),
+ /* Disabling this clock makes the system hang. Mark the clock as critical. */
+ GATE(CLK_GOUT_HSI2_LHM_AXI_P_HSI2_I_CLK,
+ "gout_hsi2_lhm_axi_p_hsi2_i_clk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_LHM_AXI_P_HSI2_IPCLKPORT_I_CLK,
+ 21, CLK_IS_CRITICAL, 0),
+ /* TODO: should have a driver for this */
+ GATE(CLK_GOUT_HSI2_LHS_ACEL_D_HSI2_I_CLK,
+ "gout_hsi2_lhs_acel_d_hsi2_i_clk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_LHS_ACEL_D_HSI2_IPCLKPORT_I_CLK,
+ 21, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_GOUT_HSI2_MMC_CARD_I_ACLK,
+ "gout_hsi2_mmc_card_i_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_MMC_CARD_IPCLKPORT_I_ACLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_MMC_CARD_SDCLKIN,
+ "gout_hsi2_mmc_card_sdclkin", "mout_hsi2_mmc_card_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_MMC_CARD_IPCLKPORT_SDCLKIN,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_003_DBI_ACLK_UG,
+ "gout_hsi2_pcie_gen4_1_pcie_003_dbi_aclk_ug", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_G4X2_DWC_PCIE_CTL_INST_0_DBI_ACLK_UG,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_003_MSTR_ACLK_UG,
+ "gout_hsi2_pcie_gen4_1_pcie_003_mstr_aclk_ug",
+ "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_G4X2_DWC_PCIE_CTL_INST_0_MSTR_ACLK_UG,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_003_SLV_ACLK_UG,
+ "gout_hsi2_pcie_gen4_1_pcie_003_slv_aclk_ug", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_G4X2_DWC_PCIE_CTL_INST_0_SLV_ACLK_UG,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_003_I_DRIVER_APB_CLK,
+ "gout_hsi2_pcie_gen4_1_pcie_003_i_driver_apb_clk",
+ "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_003_PCIE_SUB_CTRL_INST_0_I_DRIVER_APB_CLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_004_DBI_ACLK_UG,
+ "gout_hsi2_pcie_gen4_1_pcie_004_dbi_aclk_ug", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_G4X1_DWC_PCIE_CTL_INST_0_DBI_ACLK_UG,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_004_MSTR_ACLK_UG,
+ "gout_hsi2_pcie_gen4_1_pcie_004_mstr_aclk_ug",
+ "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_G4X1_DWC_PCIE_CTL_INST_0_MSTR_ACLK_UG,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_004_SLV_ACLK_UG,
+ "gout_hsi2_pcie_gen4_1_pcie_004_slv_aclk_ug", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_G4X1_DWC_PCIE_CTL_INST_0_SLV_ACLK_UG,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_GEN4_1_PCIE_004_I_DRIVER_APB_CLK,
+ "gout_hsi2_pcie_gen4_1_pcie_004_i_driver_apb_clk",
+ "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCIE_004_PCIE_SUB_CTRL_INST_0_I_DRIVER_APB_CLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_GEN4_1_PCS_PMA_PHY_UDBG_I_APB_PCLK,
+ "gout_hsi2_pcie_gen4_1_pcs_pma_phy_udbg_i_apb_pclk",
+ "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCS_PMA_INST_0_PHY_UDBG_I_APB_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_GEN4_1_PCS_PMA_PIPE_PAL_PCIE_I_APB_PCLK,
+ "gout_hsi2_pcie_gen4_1_pcs_pma_pipe_pal_pcie_i_apb_pclk",
+ "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCS_PMA_INST_0_PIPE_PAL_PCIE_INST_0_I_APB_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_GEN4_1_PCS_PMA_PCIEPHY210X2_QCH_I_APB_PCLK,
+ "gout_hsi2_pcie_gen4_1_pcs_pma_pciephy210x2_qch_i_apb_pclk",
+ "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_GEN4_1_IPCLKPORT_PCS_PMA_INST_0_SF_PCIEPHY210X2_LN05LPE_QCH_TM_WRAPPER_INST_0_I_APB_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_IA_GEN4A_1_I_CLK,
+ "gout_hsi2_pcie_ia_gen4a_1_i_clk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_IA_GEN4A_1_IPCLKPORT_I_CLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PCIE_IA_GEN4B_1_I_CLK,
+ "gout_hsi2_pcie_ia_gen4b_1_i_clk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PCIE_IA_GEN4B_1_IPCLKPORT_I_CLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PPMU_HSI2_ACLK,
+ "gout_hsi2_ppmu_hsi2_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PPMU_HSI2_IPCLKPORT_ACLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_PPMU_HSI2_PCLK,
+ "gout_hsi2_ppmu_hsi2_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_PPMU_HSI2_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_QE_MMC_CARD_HSI2_ACLK,
+ "gout_hsi2_qe_mmc_card_hsi2_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_MMC_CARD_HSI2_IPCLKPORT_ACLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_QE_MMC_CARD_HSI2_PCLK,
+ "gout_hsi2_qe_mmc_card_hsi2_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_MMC_CARD_HSI2_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_QE_PCIE_GEN4A_HSI2_ACLK,
+ "gout_hsi2_qe_pcie_gen4a_hsi2_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_PCIE_GEN4A_HSI2_IPCLKPORT_ACLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_QE_PCIE_GEN4A_HSI2_PCLK,
+ "gout_hsi2_qe_pcie_gen4a_hsi2_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_PCIE_GEN4A_HSI2_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_QE_PCIE_GEN4B_HSI2_ACLK,
+ "gout_hsi2_qe_pcie_gen4b_hsi2_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_PCIE_GEN4B_HSI2_IPCLKPORT_ACLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_QE_PCIE_GEN4B_HSI2_PCLK,
+ "gout_hsi2_qe_pcie_gen4b_hsi2_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_PCIE_GEN4B_HSI2_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_ACLK,
+ "gout_hsi2_qe_ufs_embd_hsi2_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_UFS_EMBD_HSI2_IPCLKPORT_ACLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_PCLK,
+ "gout_hsi2_qe_ufs_embd_hsi2_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_QE_UFS_EMBD_HSI2_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_CLK_HSI2_BUS_CLK,
+ "gout_hsi2_clk_hsi2_bus_clk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_RSTNSYNC_CLK_HSI2_BUS_IPCLKPORT_CLK,
+ 21, CLK_IS_CRITICAL, 0),
+ GATE(CLK_GOUT_HSI2_CLK_HSI2_OSCCLK_CLK,
+ "gout_hsi2_clk_hsi2_oscclk_clk", "oscclk",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_RSTNSYNC_CLK_HSI2_OSCCLK_IPCLKPORT_CLK,
+ 21, 0, 0),
+ /* TODO: should have a driver for this */
+ GATE(CLK_GOUT_HSI2_SSMT_HSI2_ACLK,
+ "gout_hsi2_ssmt_hsi2_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_SSMT_HSI2_IPCLKPORT_ACLK,
+ 21, CLK_IGNORE_UNUSED, 0),
+ /* TODO: should have a driver for this */
+ GATE(CLK_GOUT_HSI2_SSMT_HSI2_PCLK,
+ "gout_hsi2_ssmt_hsi2_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_SSMT_HSI2_IPCLKPORT_PCLK,
+ 21, CLK_IGNORE_UNUSED, 0),
+ /* TODO: should have a driver for this */
+ GATE(CLK_GOUT_HSI2_SYSMMU_HSI2_CLK_S2,
+ "gout_hsi2_sysmmu_hsi2_clk_s2", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_SYSMMU_HSI2_IPCLKPORT_CLK_S2,
+ 21, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_GOUT_HSI2_SYSREG_HSI2_PCLK,
+ "gout_hsi2_sysreg_hsi2_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_SYSREG_HSI2_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_UASC_PCIE_GEN4A_DBI_1_ACLK,
+ "gout_hsi2_uasc_pcie_gen4a_dbi_1_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4A_DBI_1_IPCLKPORT_ACLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_UASC_PCIE_GEN4A_DBI_1_PCLK,
+ "gout_hsi2_uasc_pcie_gen4a_dbi_1_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4A_DBI_1_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_UASC_PCIE_GEN4A_SLV_1_ACLK,
+ "gout_hsi2_uasc_pcie_gen4a_slv_1_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4A_SLV_1_IPCLKPORT_ACLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_UASC_PCIE_GEN4A_SLV_1_PCLK,
+ "gout_hsi2_uasc_pcie_gen4a_slv_1_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4A_SLV_1_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_UASC_PCIE_GEN4B_DBI_1_ACLK,
+ "gout_hsi2_uasc_pcie_gen4b_dbi_1_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4B_DBI_1_IPCLKPORT_ACLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_UASC_PCIE_GEN4B_DBI_1_PCLK,
+ "gout_hsi2_uasc_pcie_gen4b_dbi_1_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4B_DBI_1_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_UASC_PCIE_GEN4B_SLV_1_ACLK,
+ "gout_hsi2_uasc_pcie_gen4b_slv_1_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4B_SLV_1_IPCLKPORT_ACLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_UASC_PCIE_GEN4B_SLV_1_PCLK,
+ "gout_hsi2_uasc_pcie_gen4b_slv_1_pclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UASC_PCIE_GEN4B_SLV_1_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_UFS_EMBD_I_ACLK,
+ "gout_hsi2_ufs_embd_i_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UFS_EMBD_IPCLKPORT_I_ACLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_UFS_EMBD_I_CLK_UNIPRO,
+ "gout_hsi2_ufs_embd_i_clk_unipro", "mout_hsi2_ufs_embd_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UFS_EMBD_IPCLKPORT_I_CLK_UNIPRO,
+ 21, 0, 0),
+ GATE(CLK_GOUT_HSI2_UFS_EMBD_I_FMP_CLK,
+ "gout_hsi2_ufs_embd_i_fmp_clk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_UFS_EMBD_IPCLKPORT_I_FMP_CLK,
+ 21, 0, 0),
+ /* TODO: should have a driver for this */
+ GATE(CLK_GOUT_HSI2_XIU_D_HSI2_ACLK,
+ "gout_hsi2_xiu_d_hsi2_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_XIU_D_HSI2_IPCLKPORT_ACLK,
+ 21, CLK_IGNORE_UNUSED, 0),
+ /* TODO: should have a driver for this */
+ GATE(CLK_GOUT_HSI2_XIU_P_HSI2_ACLK,
+ "gout_hsi2_xiu_p_hsi2_aclk", "mout_hsi2_bus_user",
+ CLK_CON_GAT_GOUT_BLK_HSI2_UID_XIU_P_HSI2_IPCLKPORT_ACLK,
+ 21, CLK_IGNORE_UNUSED, 0),
+};
+
+static const struct samsung_cmu_info hsi2_cmu_info __initconst = {
+ .mux_clks = hsi2_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(hsi2_mux_clks),
+ .gate_clks = hsi2_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(hsi2_gate_clks),
+ .nr_clk_ids = CLKS_NR_HSI2,
+ .clk_regs = cmu_hsi2_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(cmu_hsi2_clk_regs),
+ .clk_name = "bus",
+};
+
/* ---- CMU_MISC ------------------------------------------------------------ */

/* Register Offset definitions for CMU_MISC (0x10010000) */
@@ -3426,13 +3930,15 @@ static const struct of_device_id gs101_cmu_of_match[] = {
{
.compatible = "google,gs101-cmu-apm",
.data = &apm_cmu_info,
+ }, {
+ .compatible = "google,gs101-cmu-hsi2",
+ .data = &hsi2_cmu_info,
}, {
.compatible = "google,gs101-cmu-peric0",
.data = &peric0_cmu_info,
}, {
.compatible = "google,gs101-cmu-peric1",
.data = &peric1_cmu_info,
- }, {
},
};

--
2.44.0.769.g3c40516874-goog


2024-04-23 20:53:52

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 11/14] scsi: ufs: host: ufs-exynos: add some pa_dbg_ register offsets into drvdata

This allows these registers to be at different offsets or not
exist at all on some SoCs variants.

Signed-off-by: Peter Griffin <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Tested-by: Will McVicker <[email protected]>
---
drivers/ufs/host/ufs-exynos.c | 38 ++++++++++++++++++++++++-----------
drivers/ufs/host/ufs-exynos.h | 6 +++++-
2 files changed, 31 insertions(+), 13 deletions(-)

diff --git a/drivers/ufs/host/ufs-exynos.c b/drivers/ufs/host/ufs-exynos.c
index 66093a905986..c086630a96e8 100644
--- a/drivers/ufs/host/ufs-exynos.c
+++ b/drivers/ufs/host/ufs-exynos.c
@@ -308,8 +308,9 @@ static int exynosauto_ufs_post_pwr_change(struct exynos_ufs *ufs,

static int exynos7_ufs_pre_link(struct exynos_ufs *ufs)
{
+ struct exynos_ufs_uic_attr *attr = ufs->drv_data->uic_attr;
+ u32 val = attr->pa_dbg_opt_suite1_val;
struct ufs_hba *hba = ufs->hba;
- u32 val = ufs->drv_data->uic_attr->pa_dbg_option_suite;
int i;

exynos_ufs_enable_ov_tm(hba);
@@ -326,12 +327,13 @@ static int exynos7_ufs_pre_link(struct exynos_ufs *ufs)
UIC_ARG_MIB_SEL(TX_HIBERN8_CONTROL, i), 0x0);
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_TXPHY_CFGUPDT), 0x1);
udelay(1);
- ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_OPTION_SUITE), val | (1 << 12));
+ ufshcd_dme_set(hba, UIC_ARG_MIB(attr->pa_dbg_opt_suite1_off),
+ val | (1 << 12));
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_SKIP_RESET_PHY), 0x1);
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_SKIP_LINE_RESET), 0x1);
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_LINE_RESET_REQ), 0x1);
udelay(1600);
- ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_OPTION_SUITE), val);
+ ufshcd_dme_set(hba, UIC_ARG_MIB(attr->pa_dbg_opt_suite1_off), val);

return 0;
}
@@ -923,14 +925,19 @@ static int exynos_ufs_phy_init(struct exynos_ufs *ufs)

static void exynos_ufs_config_unipro(struct exynos_ufs *ufs)
{
+ struct exynos_ufs_uic_attr *attr = ufs->drv_data->uic_attr;
struct ufs_hba *hba = ufs->hba;

- ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_CLK_PERIOD),
- DIV_ROUND_UP(NSEC_PER_SEC, ufs->mclk_rate));
+ if (attr->pa_dbg_clk_period_off)
+ ufshcd_dme_set(hba, UIC_ARG_MIB(attr->pa_dbg_clk_period_off),
+ DIV_ROUND_UP(NSEC_PER_SEC, ufs->mclk_rate));
+
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TXTRAILINGCLOCKS),
ufs->drv_data->uic_attr->tx_trailingclks);
- ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_OPTION_SUITE),
- ufs->drv_data->uic_attr->pa_dbg_option_suite);
+
+ if (attr->pa_dbg_opt_suite1_off)
+ ufshcd_dme_set(hba, UIC_ARG_MIB(attr->pa_dbg_opt_suite1_off),
+ attr->pa_dbg_opt_suite1_val);
}

static void exynos_ufs_config_intr(struct exynos_ufs *ufs, u32 errs, u8 index)
@@ -1488,10 +1495,11 @@ static int exynosauto_ufs_vh_init(struct ufs_hba *hba)

static int fsd_ufs_pre_link(struct exynos_ufs *ufs)
{
- int i;
+ struct exynos_ufs_uic_attr *attr = ufs->drv_data->uic_attr;
struct ufs_hba *hba = ufs->hba;
+ int i;

- ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_CLK_PERIOD),
+ ufshcd_dme_set(hba, UIC_ARG_MIB(attr->pa_dbg_clk_period_off),
DIV_ROUND_UP(NSEC_PER_SEC, ufs->mclk_rate));
ufshcd_dme_set(hba, UIC_ARG_MIB(0x201), 0x12);
ufshcd_dme_set(hba, UIC_ARG_MIB(0x200), 0x40);
@@ -1515,7 +1523,9 @@ static int fsd_ufs_pre_link(struct exynos_ufs *ufs)

ufshcd_dme_set(hba, UIC_ARG_MIB(0x200), 0x0);
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_AUTOMODE_THLD), 0x4E20);
- ufshcd_dme_set(hba, UIC_ARG_MIB(PA_DBG_OPTION_SUITE), 0x2e820183);
+
+ ufshcd_dme_set(hba, UIC_ARG_MIB(attr->pa_dbg_opt_suite1_off),
+ 0x2e820183);
ufshcd_dme_set(hba, UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), 0x0);

exynos_ufs_establish_connt(ufs);
@@ -1651,7 +1661,9 @@ static struct exynos_ufs_uic_attr exynos7_uic_attr = {
.rx_hs_g1_prep_sync_len_cap = PREP_LEN(0xf),
.rx_hs_g2_prep_sync_len_cap = PREP_LEN(0xf),
.rx_hs_g3_prep_sync_len_cap = PREP_LEN(0xf),
- .pa_dbg_option_suite = 0x30103,
+ .pa_dbg_clk_period_off = PA_DBG_CLK_PERIOD,
+ .pa_dbg_opt_suite1_val = 0x30103,
+ .pa_dbg_opt_suite1_off = PA_DBG_OPTION_SUITE,
};

static const struct exynos_ufs_drv_data exynosauto_ufs_drvs = {
@@ -1725,7 +1737,9 @@ static struct exynos_ufs_uic_attr fsd_uic_attr = {
.rx_hs_g1_prep_sync_len_cap = PREP_LEN(0xf),
.rx_hs_g2_prep_sync_len_cap = PREP_LEN(0xf),
.rx_hs_g3_prep_sync_len_cap = PREP_LEN(0xf),
- .pa_dbg_option_suite = 0x2E820183,
+ .pa_dbg_clk_period_off = PA_DBG_CLK_PERIOD,
+ .pa_dbg_opt_suite1_val = 0x2E820183,
+ .pa_dbg_opt_suite1_off = PA_DBG_OPTION_SUITE,
};

static const struct exynos_ufs_drv_data fsd_ufs_drvs = {
diff --git a/drivers/ufs/host/ufs-exynos.h b/drivers/ufs/host/ufs-exynos.h
index 7acc13914100..f30423223474 100644
--- a/drivers/ufs/host/ufs-exynos.h
+++ b/drivers/ufs/host/ufs-exynos.h
@@ -145,7 +145,11 @@ struct exynos_ufs_uic_attr {
/* Common Attributes */
unsigned int cmn_pwm_clk_ctrl;
/* Internal Attributes */
- unsigned int pa_dbg_option_suite;
+ unsigned int pa_dbg_clk_period_off;
+ unsigned int pa_dbg_opt_suite1_val;
+ unsigned int pa_dbg_opt_suite1_off;
+ unsigned int pa_dbg_opt_suite2_val;
+ unsigned int pa_dbg_opt_suite2_off;
/* Changeable Attributes */
unsigned int rx_adv_fine_gran_sup_en;
unsigned int rx_adv_fine_gran_step;
--
2.44.0.769.g3c40516874-goog


2024-04-23 20:54:00

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 09/14] scsi: ufs: host: ufs-exynos: add EXYNOS_UFS_OPT_TIMER_TICK_SELECT option

This option is intended to be set for SoCs that have HCI_V2P1_CTRL
register and can select their tick source via IA_TICK_SEL bit.

Source clock selection for timer tick
0x0 = Bus clock (aclk)
0x1 = Function clock (mclk)

Signed-off-by: Peter Griffin <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Tested-by: Will McVicker <[email protected]>
---
drivers/ufs/host/ufs-exynos.c | 9 +++++++++
drivers/ufs/host/ufs-exynos.h | 1 +
2 files changed, 10 insertions(+)

diff --git a/drivers/ufs/host/ufs-exynos.c b/drivers/ufs/host/ufs-exynos.c
index 66e52c3607e2..66093a905986 100644
--- a/drivers/ufs/host/ufs-exynos.c
+++ b/drivers/ufs/host/ufs-exynos.c
@@ -50,6 +50,8 @@
#define HCI_ERR_EN_N_LAYER 0x80
#define HCI_ERR_EN_T_LAYER 0x84
#define HCI_ERR_EN_DME_LAYER 0x88
+#define HCI_V2P1_CTRL 0x8C
+#define IA_TICK_SEL BIT(16)
#define HCI_CLKSTOP_CTRL 0xB0
#define REFCLKOUT_STOP BIT(4)
#define MPHY_APBCLK_STOP BIT(3)
@@ -1005,6 +1007,13 @@ static void exynos_ufs_fit_aggr_timeout(struct exynos_ufs *ufs)
{
u32 val;

+ /* Select function clock (mclk) for timer tick */
+ if (ufs->opts & EXYNOS_UFS_OPT_TIMER_TICK_SELECT) {
+ val = hci_readl(ufs, HCI_V2P1_CTRL);
+ val |= IA_TICK_SEL;
+ hci_writel(ufs, val, HCI_V2P1_CTRL);
+ }
+
val = exynos_ufs_calc_time_cntr(ufs, IATOVAL_NSEC / CNTR_DIV_VAL);
hci_writel(ufs, val & CNT_VAL_1US_MASK, HCI_1US_TO_CNT_VAL);
}
diff --git a/drivers/ufs/host/ufs-exynos.h b/drivers/ufs/host/ufs-exynos.h
index 0fc21b6bbfcd..acf07cc54684 100644
--- a/drivers/ufs/host/ufs-exynos.h
+++ b/drivers/ufs/host/ufs-exynos.h
@@ -222,6 +222,7 @@ struct exynos_ufs {
#define EXYNOS_UFS_OPT_USE_SW_HIBERN8_TIMER BIT(4)
#define EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR BIT(5)
#define EXYNOS_UFS_OPT_UFSPR_SECURE BIT(6)
+#define EXYNOS_UFS_OPT_TIMER_TICK_SELECT BIT(7)
};

#define for_each_ufs_rx_lane(ufs, i) \
--
2.44.0.769.g3c40516874-goog


2024-04-23 21:06:29

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 02/14] dt-bindings: soc: google: exynos-sysreg: add dedicated hsi2 sysreg compatible

Update dt schema to include the gs101 hsi2 sysreg compatible.

Signed-off-by: Peter Griffin <[email protected]>
Reviewed-by: André Draszik <[email protected]>
Acked-by: Rob Herring <[email protected]>
---
.../devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml | 2 ++
1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml b/Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml
index c0c6ce8fc786..3ca220582897 100644
--- a/Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml
+++ b/Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml
@@ -15,6 +15,7 @@ properties:
- items:
- enum:
- google,gs101-apm-sysreg
+ - google,gs101-hsi2-sysreg
- google,gs101-peric0-sysreg
- google,gs101-peric1-sysreg
- samsung,exynos3-sysreg
@@ -72,6 +73,7 @@ allOf:
compatible:
contains:
enum:
+ - google,gs101-hsi2-sysreg
- google,gs101-peric0-sysreg
- google,gs101-peric1-sysreg
- samsung,exynos850-cmgp-sysreg
--
2.44.0.769.g3c40516874-goog


2024-04-23 21:07:25

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 03/14] dt-bindings: ufs: exynos-ufs: Add gs101 compatible

Add dedicated google,gs101-ufs compatible for Google Tensor gs101
SoC.

Signed-off-by: Peter Griffin <[email protected]>
---
.../bindings/ufs/samsung,exynos-ufs.yaml | 38 +++++++++++++++++--
1 file changed, 35 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
index b2b509b3944d..1179527d29d1 100644
--- a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
+++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
@@ -12,12 +12,10 @@ maintainers:
description: |
Each Samsung UFS host controller instance should have its own node.

-allOf:
- - $ref: ufs-common.yaml
-
properties:
compatible:
enum:
+ - google,gs101-ufs
- samsung,exynos7-ufs
- samsung,exynosautov9-ufs
- samsung,exynosautov9-ufs-vh
@@ -38,14 +36,24 @@ properties:
- const: ufsp

clocks:
+ minItems: 2
items:
- description: ufs link core clock
- description: unipro main clock
+ - description: fmp clock
+ - description: ufs aclk clock
+ - description: ufs pclk clock
+ - description: sysreg clock

clock-names:
+ minItems: 2
items:
- const: core_clk
- const: sclk_unipro_main
+ - const: fmp
+ - const: ufs_aclk
+ - const: ufs_pclk
+ - const: sysreg

phys:
maxItems: 1
@@ -72,6 +80,30 @@ required:
- clocks
- clock-names

+allOf:
+ - $ref: ufs-common.yaml
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: google,gs101-ufs
+
+ then:
+ properties:
+ clocks:
+ minItems: 6
+
+ clock-names:
+ minItems: 6
+
+ else:
+ properties:
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ maxItems: 2
+
unevaluatedProperties: false

examples:
--
2.44.0.769.g3c40516874-goog


2024-04-23 21:08:25

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 05/14] arm64: dts: exynos: gs101: Add the hsi2 sysreg node

This has some configuration bits such as sharability that
are required by UFS.

Signed-off-by: Peter Griffin <[email protected]>
---
arch/arm64/boot/dts/exynos/google/gs101.dtsi | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index 38ac4fb1397e..09044deede63 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -1265,6 +1265,12 @@ cmu_hsi2: clock-controller@14400000 {
clock-names = "oscclk", "bus", "pcie", "ufs_embd", "mmc_card";
};

+ sysreg_hsi2: syscon@14420000 {
+ compatible = "google,gs101-hsi2-sysreg", "syscon";
+ reg = <0x14420000 0x10000>;
+ clocks = <&cmu_hsi2 CLK_GOUT_HSI2_SYSREG_HSI2_PCLK>;
+ };
+
pinctrl_hsi2: pinctrl@14440000 {
compatible = "google,gs101-pinctrl";
reg = <0x14440000 0x00001000>;
--
2.44.0.769.g3c40516874-goog


2024-04-23 21:11:04

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 12/14] scsi: ufs: host: ufs-exynos: Add support for Tensor gs101 SoC

Add a dedicated compatible and drv_data with associated
hooks for gs101 SoC found on Pixel 6.

Note we make use of the previously added EXYNOS_UFS_OPT_UFSPR_SECURE
option, to skip initialisation of UFSPR registers as these are only
accessible via SMC call.

EXYNOS_UFS_OPT_TIMER_TICK_SELECT option is also set to select tick
source. This has been done so as not to effect any existing platforms.

DBG_OPTION_SUITE on gs101 has different address offsets to other SoCs
so these register offsets now come from uic_attr struct.

Signed-off-by: Peter Griffin <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Tested-by: Will McVicker <[email protected]>
---
drivers/ufs/host/ufs-exynos.c | 146 ++++++++++++++++++++++++++++++++++
drivers/ufs/host/ufs-exynos.h | 14 ++++
2 files changed, 160 insertions(+)

diff --git a/drivers/ufs/host/ufs-exynos.c b/drivers/ufs/host/ufs-exynos.c
index c086630a96e8..d66dccdc82db 100644
--- a/drivers/ufs/host/ufs-exynos.c
+++ b/drivers/ufs/host/ufs-exynos.c
@@ -61,6 +61,7 @@
#define CLK_STOP_MASK (REFCLKOUT_STOP | REFCLK_STOP |\
UNIPRO_MCLK_STOP | MPHY_APBCLK_STOP|\
UNIPRO_PCLK_STOP)
+/* HCI_MISC is also known as HCI_FORCE_HCS */
#define HCI_MISC 0xB4
#define REFCLK_CTRL_EN BIT(7)
#define UNIPRO_PCLK_CTRL_EN BIT(6)
@@ -138,6 +139,9 @@ enum {
/*
* UNIPRO registers
*/
+#define UNIPRO_DME_POWERMODE_REQ_LOCALL2TIMER0 0x7888
+#define UNIPRO_DME_POWERMODE_REQ_LOCALL2TIMER1 0x788c
+#define UNIPRO_DME_POWERMODE_REQ_LOCALL2TIMER2 0x7890
#define UNIPRO_DME_POWERMODE_REQ_REMOTEL2TIMER0 0x78B8
#define UNIPRO_DME_POWERMODE_REQ_REMOTEL2TIMER1 0x78BC
#define UNIPRO_DME_POWERMODE_REQ_REMOTEL2TIMER2 0x78C0
@@ -938,6 +942,10 @@ static void exynos_ufs_config_unipro(struct exynos_ufs *ufs)
if (attr->pa_dbg_opt_suite1_off)
ufshcd_dme_set(hba, UIC_ARG_MIB(attr->pa_dbg_opt_suite1_off),
attr->pa_dbg_opt_suite1_val);
+
+ if (attr->pa_dbg_opt_suite2_off)
+ ufshcd_dme_set(hba, UIC_ARG_MIB(attr->pa_dbg_opt_suite2_off),
+ attr->pa_dbg_opt_suite2_val);
}

static void exynos_ufs_config_intr(struct exynos_ufs *ufs, u32 errs, u8 index)
@@ -1589,6 +1597,96 @@ static int fsd_ufs_pre_pwr_change(struct exynos_ufs *ufs,
return 0;
}

+static inline u32 get_mclk_period_unipro_18(struct exynos_ufs *ufs)
+{
+ return (16 * 1000 * 1000000UL / ufs->mclk_rate);
+}
+
+static int gs101_ufs_pre_link(struct exynos_ufs *ufs)
+{
+ struct ufs_hba *hba = ufs->hba;
+ int i;
+ u32 tx_line_reset_period, rx_line_reset_period;
+
+ rx_line_reset_period = (RX_LINE_RESET_TIME * ufs->mclk_rate)
+ / NSEC_PER_MSEC;
+ tx_line_reset_period = (TX_LINE_RESET_TIME * ufs->mclk_rate)
+ / NSEC_PER_MSEC;
+
+ unipro_writel(ufs, get_mclk_period_unipro_18(ufs), COMP_CLK_PERIOD);
+
+ ufshcd_dme_set(hba, UIC_ARG_MIB(0x200), 0x40);
+
+ for_each_ufs_rx_lane(ufs, i) {
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_RX_CLK_PRD, i),
+ DIV_ROUND_UP(NSEC_PER_SEC, ufs->mclk_rate));
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_RX_CLK_PRD_EN, i), 0x0);
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_RX_LINERESET_VALUE2, i),
+ (rx_line_reset_period >> 16) & 0xFF);
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_RX_LINERESET_VALUE1, i),
+ (rx_line_reset_period >> 8) & 0xFF);
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_RX_LINERESET_VALUE0, i),
+ (rx_line_reset_period) & 0xFF);
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x2f, i), 0x69);
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x84, i), 0x1);
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x25, i), 0xf6);
+ }
+
+ for_each_ufs_tx_lane(ufs, i) {
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_TX_CLK_PRD, i),
+ DIV_ROUND_UP(NSEC_PER_SEC, ufs->mclk_rate));
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_TX_CLK_PRD_EN, i),
+ 0x02);
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_TX_LINERESET_PVALUE2, i),
+ (tx_line_reset_period >> 16) & 0xFF);
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_TX_LINERESET_PVALUE1, i),
+ (tx_line_reset_period >> 8) & 0xFF);
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(VND_TX_LINERESET_PVALUE0, i),
+ (tx_line_reset_period) & 0xFF);
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x04, i), 1);
+ ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x7F, i), 0);
+ }
+
+ ufshcd_dme_set(hba, UIC_ARG_MIB(0x200), 0x0);
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), 0x0);
+ ufshcd_dme_set(hba, UIC_ARG_MIB(N_DEVICEID), 0x0);
+ ufshcd_dme_set(hba, UIC_ARG_MIB(N_DEVICEID_VALID), 0x1);
+ ufshcd_dme_set(hba, UIC_ARG_MIB(T_PEERDEVICEID), 0x1);
+ ufshcd_dme_set(hba, UIC_ARG_MIB(T_CONNECTIONSTATE), CPORT_CONNECTED);
+ ufshcd_dme_set(hba, UIC_ARG_MIB(0xA006), 0x8000);
+
+ return 0;
+}
+
+static int gs101_ufs_post_link(struct exynos_ufs *ufs)
+{
+ struct ufs_hba *hba = ufs->hba;
+
+ exynos_ufs_enable_dbg_mode(hba);
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_SAVECONFIGTIME), 0x3e8);
+ exynos_ufs_disable_dbg_mode(hba);
+
+ return 0;
+}
+
+static int gs101_ufs_pre_pwr_change(struct exynos_ufs *ufs,
+ struct ufs_pa_layer_attr *pwr)
+{
+ struct ufs_hba *hba = ufs->hba;
+
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA0), 12000);
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA1), 32000);
+ ufshcd_dme_set(hba, UIC_ARG_MIB(PA_PWRMODEUSERDATA2), 16000);
+ unipro_writel(ufs, 8064, UNIPRO_DME_POWERMODE_REQ_LOCALL2TIMER0);
+ unipro_writel(ufs, 28224, UNIPRO_DME_POWERMODE_REQ_LOCALL2TIMER1);
+ unipro_writel(ufs, 20160, UNIPRO_DME_POWERMODE_REQ_LOCALL2TIMER2);
+ unipro_writel(ufs, 12000, UNIPRO_DME_POWERMODE_REQ_REMOTEL2TIMER0);
+ unipro_writel(ufs, 32000, UNIPRO_DME_POWERMODE_REQ_REMOTEL2TIMER1);
+ unipro_writel(ufs, 16000, UNIPRO_DME_POWERMODE_REQ_REMOTEL2TIMER2);
+
+ return 0;
+}
+
static const struct ufs_hba_variant_ops ufs_hba_exynos_ops = {
.name = "exynos_ufs",
.init = exynos_ufs_init,
@@ -1715,6 +1813,34 @@ static const struct exynos_ufs_drv_data exynos_ufs_drvs = {
.post_pwr_change = exynos7_ufs_post_pwr_change,
};

+static struct exynos_ufs_uic_attr gs101_uic_attr = {
+ .tx_trailingclks = 0xff,
+ .tx_dif_p_nsec = 3000000, /* unit: ns */
+ .tx_dif_n_nsec = 1000000, /* unit: ns */
+ .tx_high_z_cnt_nsec = 20000, /* unit: ns */
+ .tx_base_unit_nsec = 100000, /* unit: ns */
+ .tx_gran_unit_nsec = 4000, /* unit: ns */
+ .tx_sleep_cnt = 1000, /* unit: ns */
+ .tx_min_activatetime = 0xa,
+ .rx_filler_enable = 0x2,
+ .rx_dif_p_nsec = 1000000, /* unit: ns */
+ .rx_hibern8_wait_nsec = 4000000, /* unit: ns */
+ .rx_base_unit_nsec = 100000, /* unit: ns */
+ .rx_gran_unit_nsec = 4000, /* unit: ns */
+ .rx_sleep_cnt = 1280, /* unit: ns */
+ .rx_stall_cnt = 320, /* unit: ns */
+ .rx_hs_g1_sync_len_cap = SYNC_LEN_COARSE(0xf),
+ .rx_hs_g2_sync_len_cap = SYNC_LEN_COARSE(0xf),
+ .rx_hs_g3_sync_len_cap = SYNC_LEN_COARSE(0xf),
+ .rx_hs_g1_prep_sync_len_cap = PREP_LEN(0xf),
+ .rx_hs_g2_prep_sync_len_cap = PREP_LEN(0xf),
+ .rx_hs_g3_prep_sync_len_cap = PREP_LEN(0xf),
+ .pa_dbg_opt_suite1_val = 0x90913C1C,
+ .pa_dbg_opt_suite1_off = PA_GS101_DBG_OPTION_SUITE1,
+ .pa_dbg_opt_suite2_val = 0xE01C115F,
+ .pa_dbg_opt_suite2_off = PA_GS101_DBG_OPTION_SUITE2,
+};
+
static struct exynos_ufs_uic_attr fsd_uic_attr = {
.tx_trailingclks = 0x10,
.tx_dif_p_nsec = 3000000, /* unit: ns */
@@ -1758,7 +1884,27 @@ static const struct exynos_ufs_drv_data fsd_ufs_drvs = {
.pre_pwr_change = fsd_ufs_pre_pwr_change,
};

+static const struct exynos_ufs_drv_data gs101_ufs_drvs = {
+ .uic_attr = &gs101_uic_attr,
+ .quirks = UFSHCD_QUIRK_PRDT_BYTE_GRAN |
+ UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR |
+ UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR |
+ UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR |
+ UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL |
+ UFSHCD_QUIRK_SKIP_DEF_UNIPRO_TIMEOUT_SETTING,
+ .opts = EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL |
+ EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR |
+ EXYNOS_UFS_OPT_UFSPR_SECURE |
+ EXYNOS_UFS_OPT_TIMER_TICK_SELECT,
+ .drv_init = exynosauto_ufs_drv_init,
+ .pre_link = gs101_ufs_pre_link,
+ .post_link = gs101_ufs_post_link,
+ .pre_pwr_change = gs101_ufs_pre_pwr_change,
+};
+
static const struct of_device_id exynos_ufs_of_match[] = {
+ { .compatible = "google,gs101-ufs",
+ .data = &gs101_ufs_drvs },
{ .compatible = "samsung,exynos7-ufs",
.data = &exynos_ufs_drvs },
{ .compatible = "samsung,exynosautov9-ufs",
diff --git a/drivers/ufs/host/ufs-exynos.h b/drivers/ufs/host/ufs-exynos.h
index f30423223474..1646c4a9bb08 100644
--- a/drivers/ufs/host/ufs-exynos.h
+++ b/drivers/ufs/host/ufs-exynos.h
@@ -9,6 +9,12 @@
#ifndef _UFS_EXYNOS_H_
#define _UFS_EXYNOS_H_

+/*
+ * Component registers
+ */
+
+#define COMP_CLK_PERIOD 0x44
+
/*
* UNIPRO registers
*/
@@ -29,6 +35,14 @@
#define PA_DBG_OPTION_SUITE 0x9564
#define PA_DBG_OPTION_SUITE_DYN 0x9565

+/*
+ * Note: GS101_DBG_OPTION offsets below differ from the TRM
+ * but match the downstream driver. Following the TRM
+ * results in non-functioning UFS.
+ */
+#define PA_GS101_DBG_OPTION_SUITE1 0x956a
+#define PA_GS101_DBG_OPTION_SUITE2 0x956d
+
/*
* MIBs for Transport Layer debug registers
*/
--
2.44.0.769.g3c40516874-goog


2024-04-23 21:11:13

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 13/14] phy: samsung-ufs: ufs: remove superfluous mfd/syscon.h header

mfd/syscon.h header is no longer required since the update to
exynos_get_pmu_regmap_by_phandle() api.

Fixes: f2c6d0fa197a ("phy: samsung-ufs: use exynos_get_pmu_regmap_by_phandle() to obtain PMU regmap")
Signed-off-by: Peter Griffin <[email protected]>
---
drivers/phy/samsung/phy-samsung-ufs.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/phy/samsung/phy-samsung-ufs.c b/drivers/phy/samsung/phy-samsung-ufs.c
index 813bce47121d..ffc46c953ed6 100644
--- a/drivers/phy/samsung/phy-samsung-ufs.c
+++ b/drivers/phy/samsung/phy-samsung-ufs.c
@@ -13,7 +13,6 @@
#include <linux/of.h>
#include <linux/io.h>
#include <linux/iopoll.h>
-#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
--
2.44.0.769.g3c40516874-goog


2024-04-23 21:11:38

by Peter Griffin

[permalink] [raw]
Subject: [PATCH v2 14/14] phy: samsung-ufs: ufs: exit on first reported error

To preserve the err value, exit the loop immediately if an error
is returned.

Fixes: f2c6d0fa197a ("phy: samsung-ufs: use exynos_get_pmu_regmap_by_phandle() to obtain PMU regmap")
Signed-off-by: Peter Griffin <[email protected]>
---
drivers/phy/samsung/phy-samsung-ufs.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/samsung/phy-samsung-ufs.c b/drivers/phy/samsung/phy-samsung-ufs.c
index ffc46c953ed6..6c5d41552649 100644
--- a/drivers/phy/samsung/phy-samsung-ufs.c
+++ b/drivers/phy/samsung/phy-samsung-ufs.c
@@ -99,12 +99,18 @@ static int samsung_ufs_phy_calibrate(struct phy *phy)

for_each_phy_lane(ufs_phy, i) {
if (ufs_phy->ufs_phy_state == CFG_PRE_INIT &&
- ufs_phy->drvdata->wait_for_cal)
+ ufs_phy->drvdata->wait_for_cal) {
err = ufs_phy->drvdata->wait_for_cal(phy, i);
+ if (err)
+ goto out;
+ }

if (ufs_phy->ufs_phy_state == CFG_POST_PWR_HS &&
- ufs_phy->drvdata->wait_for_cdr)
+ ufs_phy->drvdata->wait_for_cdr) {
err = ufs_phy->drvdata->wait_for_cdr(phy, i);
+ if (err)
+ goto out;
+ }
}

/**
--
2.44.0.769.g3c40516874-goog


2024-04-24 19:51:58

by Rob Herring

[permalink] [raw]
Subject: Re: [PATCH v2 01/14] dt-bindings: clock: google,gs101-clock: add HSI2 clock management unit

On Tue, Apr 23, 2024 at 09:49:53PM +0100, Peter Griffin wrote:
> Add dt schema documentation and clock IDs for the High Speed Interface
> 2 (HSI2) clock management unit. This CMU feeds high speed interfaces
> such as PCIe and UFS.
>
> Signed-off-by: Peter Griffin <[email protected]>
> Reviewed-by: Andr? Draszik <[email protected]>
> ---
> .../bindings/clock/google,gs101-clock.yaml | 30 ++++++++-
> include/dt-bindings/clock/google,gs101.h | 63 +++++++++++++++++++
> 2 files changed, 91 insertions(+), 2 deletions(-)

This collides with Andr?'s work adding HSI0. Perhaps combine the series
or even the patches and just send clocks as a series. Then it is clear
who should merge it.

Reviewed-by: Rob Herring (Arm) <[email protected]>

Rob

2024-04-24 19:53:29

by Rob Herring

[permalink] [raw]
Subject: Re: [PATCH v2 03/14] dt-bindings: ufs: exynos-ufs: Add gs101 compatible

On Tue, Apr 23, 2024 at 09:49:55PM +0100, Peter Griffin wrote:
> Add dedicated google,gs101-ufs compatible for Google Tensor gs101
> SoC.
>
> Signed-off-by: Peter Griffin <[email protected]>
> ---
> .../bindings/ufs/samsung,exynos-ufs.yaml | 38 +++++++++++++++++--
> 1 file changed, 35 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> index b2b509b3944d..1179527d29d1 100644
> --- a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> +++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> @@ -12,12 +12,10 @@ maintainers:
> description: |
> Each Samsung UFS host controller instance should have its own node.
>
> -allOf:
> - - $ref: ufs-common.yaml
> -
> properties:
> compatible:
> enum:
> + - google,gs101-ufs
> - samsung,exynos7-ufs
> - samsung,exynosautov9-ufs
> - samsung,exynosautov9-ufs-vh
> @@ -38,14 +36,24 @@ properties:
> - const: ufsp
>
> clocks:
> + minItems: 2
> items:
> - description: ufs link core clock
> - description: unipro main clock
> + - description: fmp clock
> + - description: ufs aclk clock
> + - description: ufs pclk clock
> + - description: sysreg clock
>
> clock-names:
> + minItems: 2
> items:
> - const: core_clk
> - const: sclk_unipro_main
> + - const: fmp
> + - const: ufs_aclk
> + - const: ufs_pclk

'ufs_' is redundant.

> + - const: sysreg
>
> phys:
> maxItems: 1
> @@ -72,6 +80,30 @@ required:
> - clocks
> - clock-names
>
> +allOf:
> + - $ref: ufs-common.yaml
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: google,gs101-ufs
> +
> + then:
> + properties:
> + clocks:
> + minItems: 6
> +
> + clock-names:
> + minItems: 6
> +
> + else:
> + properties:
> + clocks:
> + maxItems: 2
> +
> + clock-names:
> + maxItems: 2
> +
> unevaluatedProperties: false
>
> examples:
> --
> 2.44.0.769.g3c40516874-goog
>

2024-04-25 07:08:57

by Krzysztof Kozlowski

[permalink] [raw]
Subject: Re: [PATCH v2 00/14] HSI2, UFS & UFS phy support for Tensor GS101

On 23/04/2024 22:49, Peter Griffin wrote:
> Hi James, Martin, Alim, Bart, Krzysztof, Vinod, all
>
> Firstly, many thanks to everyone who reviewed and tested v1.
>
> This series adds support for the High Speed Interface (HSI) 2 clock
> management unit, UFS controller and UFS phy calibration/tuning for GS101
> found in Pixel 6.
>
> With this series applied, UFS is now functional on gs101. The SKhynix
> HN8T05BZGKX015 can be enumerated, partitions mounted etc. This allows us to
> move away from the initramfs rootfs we have been using for development so far.
>
> Merge Strategy
> 1) UFS driver/bindings via UFS/SCSI tree (James / Martin / Alim)
> 2) GS101 DTS/DTSI should go via Krzysztofs Exynos SoC tree
> 3) Clock driver/bindings via Clock tree (Krzysztof / Stephen)
> 4) PHY driver/bindings via PHY tree (Vinod)
>
> The v2 series has been rebased on next-20240422, as such all the phy parts
> which were already queued by Vinod have been dropped. Two new phy patches
> are added to address review feedback received after the patches were queued.
>
> The series is broadly split into the following parts:
> 1) dt-bindings documentation updates
> 2) gs101/oriole dts & dtsi updates
> 3) Prepatory patches for ufs-exynos driver
> 4) GS101 ufs-exynos support
> 5) gs101 phy fixes
>

I asked to split, otherwise please explain why PHY and UFS depends on
DTS and clk.

Best regards,
Krzysztof


2024-04-25 10:31:26

by Peter Griffin

[permalink] [raw]
Subject: Re: [PATCH v2 00/14] HSI2, UFS & UFS phy support for Tensor GS101

Hi Krzysztof,

On Thu, 25 Apr 2024 at 08:08, Krzysztof Kozlowski <[email protected]> wrote:
>
> On 23/04/2024 22:49, Peter Griffin wrote:
> > Hi James, Martin, Alim, Bart, Krzysztof, Vinod, all
> >
> > Firstly, many thanks to everyone who reviewed and tested v1.
> >
> > This series adds support for the High Speed Interface (HSI) 2 clock
> > management unit, UFS controller and UFS phy calibration/tuning for GS101
> > found in Pixel 6.
> >
> > With this series applied, UFS is now functional on gs101. The SKhynix
> > HN8T05BZGKX015 can be enumerated, partitions mounted etc. This allows us to
> > move away from the initramfs rootfs we have been using for development so far.
> >
> > Merge Strategy
> > 1) UFS driver/bindings via UFS/SCSI tree (James / Martin / Alim)
> > 2) GS101 DTS/DTSI should go via Krzysztofs Exynos SoC tree
> > 3) Clock driver/bindings via Clock tree (Krzysztof / Stephen)
> > 4) PHY driver/bindings via PHY tree (Vinod)
> >
> > The v2 series has been rebased on next-20240422, as such all the phy parts
> > which were already queued by Vinod have been dropped. Two new phy patches
> > are added to address review feedback received after the patches were queued.
> >
> > The series is broadly split into the following parts:
> > 1) dt-bindings documentation updates
> > 2) gs101/oriole dts & dtsi updates
> > 3) Prepatory patches for ufs-exynos driver
> > 4) GS101 ufs-exynos support
> > 5) gs101 phy fixes
> >
>
> I asked to split, otherwise please explain why PHY and UFS depends on
> DTS and clk.

Seems I misunderstood your feedback. I thought you just want me to
make clear who was merging what from the series via which tree. But
you want separate series?

1) ufs host dt bindings & driver
2) minor phy fixes series (most patches got applied already for phy)

What do you want for cmu_hsi2 clocks and dts/dtsi? The device tree
depends on the clock bindings to compile

Thanks,

Peter.

2024-04-25 11:13:55

by Krzysztof Kozlowski

[permalink] [raw]
Subject: Re: [PATCH v2 00/14] HSI2, UFS & UFS phy support for Tensor GS101

On 25/04/2024 12:31, Peter Griffin wrote:
> Hi Krzysztof,
>
> On Thu, 25 Apr 2024 at 08:08, Krzysztof Kozlowski <[email protected]> wrote:
>>
>> On 23/04/2024 22:49, Peter Griffin wrote:
>>> Hi James, Martin, Alim, Bart, Krzysztof, Vinod, all
>>>
>>> Firstly, many thanks to everyone who reviewed and tested v1.
>>>
>>> This series adds support for the High Speed Interface (HSI) 2 clock
>>> management unit, UFS controller and UFS phy calibration/tuning for GS101
>>> found in Pixel 6.
>>>
>>> With this series applied, UFS is now functional on gs101. The SKhynix
>>> HN8T05BZGKX015 can be enumerated, partitions mounted etc. This allows us to
>>> move away from the initramfs rootfs we have been using for development so far.
>>>
>>> Merge Strategy
>>> 1) UFS driver/bindings via UFS/SCSI tree (James / Martin / Alim)
>>> 2) GS101 DTS/DTSI should go via Krzysztofs Exynos SoC tree
>>> 3) Clock driver/bindings via Clock tree (Krzysztof / Stephen)
>>> 4) PHY driver/bindings via PHY tree (Vinod)
>>>
>>> The v2 series has been rebased on next-20240422, as such all the phy parts
>>> which were already queued by Vinod have been dropped. Two new phy patches
>>> are added to address review feedback received after the patches were queued.
>>>
>>> The series is broadly split into the following parts:
>>> 1) dt-bindings documentation updates
>>> 2) gs101/oriole dts & dtsi updates
>>> 3) Prepatory patches for ufs-exynos driver
>>> 4) GS101 ufs-exynos support
>>> 5) gs101 phy fixes
>>>
>>
>> I asked to split, otherwise please explain why PHY and UFS depends on
>> DTS and clk.
>
> Seems I misunderstood your feedback. I thought you just want me to
> make clear who was merging what from the series via which tree. But
> you want separate series?
>
> 1) ufs host dt bindings & driver
> 2) minor phy fixes series (most patches got applied already for phy)
>
> What do you want for cmu_hsi2 clocks and dts/dtsi? The device tree
> depends on the clock bindings to compile

This is not specific to Samsung Soc, Qualcomm soc or any other arm-soc.
Independent patches for different subsystems should not be put together
in one patchset. You create false impression of dependencies, grow CC
list, cause issues when applying (I cannot just apply entire set with
one command, but need to run multiple commands (!!!), plus certain
subsystems will reject your patchset because they take everything or
nothing) and possible bisection issues (because patches which should be
tested independently, are put together so testing does not uncover
undocumented dependencies).

Almost never combine independent patches which are targeted to entirely
different subsystems. There are exceptions, but regular feature work is
not one of them.

Subsystem is everything in top level of drivers/ and drivers/soc/ (or
kind of arch/arm64/boot/dts/, but that tricky because
Tesla/Google/Exynos are one subsystem). Or whatever is there in
MAINTAINERS file.

I don't know, we keep repeating this over multiple times, so it could be
added to some docs, but people do not read docs...

1. Drivers and driver bindings go to subsystems.
2. DTS and board compatibles go to soc.
a. Any dependency on driver is a near-NAK.
b. Any dependency on headers must be clearly expressed, because headers
cannot be back-merged from subsystem tree to DTS tree.
c. Any usage or usage of bindings from other sets must be clearly
expressed (linked).
3. drivers/soc go to soc.

Things from list above targeting the same maintainer tree, can be
combined in one series, with dependencies expressed in patch changelogs
or cover letter.

Best regards,
Krzysztof


2024-04-25 11:41:10

by André Draszik

[permalink] [raw]
Subject: Re: [PATCH v2 04/14] arm64: dts: exynos: gs101: enable cmu-hsi2 clock controller

On Tue, 2024-04-23 at 21:49 +0100, Peter Griffin wrote:
> Enable the cmu_hsi2 clock management unit. It feeds some of
> the high speed interfaces such as PCIe and UFS.
>
> Signed-off-by: Peter Griffin <[email protected]>

I think I replied to this before, in any case:

Reviewed-by: André Draszik <[email protected]>


2024-04-25 11:50:36

by André Draszik

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Subject: Re: [PATCH v2 05/14] arm64: dts: exynos: gs101: Add the hsi2 sysreg node

On Tue, 2024-04-23 at 21:49 +0100, Peter Griffin wrote:
> This has some configuration bits such as sharability that
> are required by UFS.
>
> Signed-off-by: Peter Griffin <[email protected]>

Reviewed-by: André Draszik <[email protected]>

2024-04-25 12:03:47

by André Draszik

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Subject: Re: [PATCH v2 06/14] arm64: dts: exynos: gs101: Add ufs, ufs-phy and ufs regulator dt nodes

On Tue, 2024-04-23 at 21:49 +0100, Peter Griffin wrote:
> Enable the ufs controller, ufs phy and ufs regulator in device tree.
>
> Signed-off-by: Peter Griffin <[email protected]>
> ---
>  .../boot/dts/exynos/google/gs101-oriole.dts   | 18 ++++++++++
>  arch/arm64/boot/dts/exynos/google/gs101.dtsi  | 36 +++++++++++++++++++
>  2 files changed, 54 insertions(+)
>

[...]

> +
> + ufs_0: ufs@14700000 {
> + compatible = "google,gs101-ufs";
> + reg = <0x14700000 0x200>,
> +       <0x14701100 0x200>,
> +       <0x14780000 0xa000>,
> +       <0x14600000 0x100>;
> + reg-names = "hci", "vs_hci", "unipro", "ufsp";
> + interrupts = <GIC_SPI 532 IRQ_TYPE_LEVEL_HIGH 0>;
> + clocks = <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_ACLK>,
> + <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_CLK_UNIPRO>,
> + <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_FMP_CLK>,
> + <&cmu_hsi2 CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_ACLK>,
> + <&cmu_hsi2 CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_PCLK>,
> + <&cmu_hsi2 CLK_GOUT_HSI2_SYSREG_HSI2_PCLK>;
> + clock-names = "core_clk", "sclk_unipro_main", "fmp",
> +       "ufs_aclk", "ufs_pclk", "sysreg";
> + freq-table-hz = <0 0>, <0 0>, <0 0>, <0 0>, <0 0>, <0 0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&ufs_rst_n &ufs_refclk_out>;

The preferred order is pinctrl-0 before pinctrl-names (similar to clock-names and reg-names).

Other than that,

Acked-by: André Draszik <[email protected]>


2024-04-25 12:19:50

by André Draszik

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Subject: Re: [PATCH v2 01/14] dt-bindings: clock: google,gs101-clock: add HSI2 clock management unit

On Wed, 2024-04-24 at 14:51 -0500, Rob Herring wrote:
> On Tue, Apr 23, 2024 at 09:49:53PM +0100, Peter Griffin wrote:
> > Add dt schema documentation and clock IDs for the High Speed Interface
> > 2 (HSI2) clock management unit. This CMU feeds high speed interfaces
> > such as PCIe and UFS.
> >
> > Signed-off-by: Peter Griffin <[email protected]>
> > Reviewed-by: André Draszik <[email protected]>
> > ---
> >  .../bindings/clock/google,gs101-clock.yaml    | 30 ++++++++-
> >  include/dt-bindings/clock/google,gs101.h      | 63 +++++++++++++++++++
> >  2 files changed, 91 insertions(+), 2 deletions(-)
>
> This collides with André's work adding HSI0. Perhaps combine the series
> or even the patches and just send clocks as a series. Then it is clear
> who should merge it.

I'll add Peter's clock-related HSI2 patches into my HSI0 series, which will
avoid more merge conflicts.


Cheers,
Andre'


2024-04-25 16:35:51

by Peter Griffin

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Subject: Re: [PATCH v2 06/14] arm64: dts: exynos: gs101: Add ufs, ufs-phy and ufs regulator dt nodes

Hi André,

On Thu, 25 Apr 2024 at 13:02, André Draszik <[email protected]> wrote:
>
> On Tue, 2024-04-23 at 21:49 +0100, Peter Griffin wrote:
> > Enable the ufs controller, ufs phy and ufs regulator in device tree.
> >
> > Signed-off-by: Peter Griffin <[email protected]>
> > ---
> > .../boot/dts/exynos/google/gs101-oriole.dts | 18 ++++++++++
> > arch/arm64/boot/dts/exynos/google/gs101.dtsi | 36 +++++++++++++++++++
> > 2 files changed, 54 insertions(+)
> >
>
> [...]
>
> > +
> > + ufs_0: ufs@14700000 {
> > + compatible = "google,gs101-ufs";
> > + reg = <0x14700000 0x200>,
> > + <0x14701100 0x200>,
> > + <0x14780000 0xa000>,
> > + <0x14600000 0x100>;
> > + reg-names = "hci", "vs_hci", "unipro", "ufsp";
> > + interrupts = <GIC_SPI 532 IRQ_TYPE_LEVEL_HIGH 0>;
> > + clocks = <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_ACLK>,
> > + <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_CLK_UNIPRO>,
> > + <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_FMP_CLK>,
> > + <&cmu_hsi2 CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_ACLK>,
> > + <&cmu_hsi2 CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_PCLK>,
> > + <&cmu_hsi2 CLK_GOUT_HSI2_SYSREG_HSI2_PCLK>;
> > + clock-names = "core_clk", "sclk_unipro_main", "fmp",
> > + "ufs_aclk", "ufs_pclk", "sysreg";
> > + freq-table-hz = <0 0>, <0 0>, <0 0>, <0 0>, <0 0>, <0 0>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&ufs_rst_n &ufs_refclk_out>;
>
> The preferred order is pinctrl-0 before pinctrl-names (similar to clock-names and reg-names).

Will fix
>
> Other than that,
>
> Acked-by: André Draszik <[email protected]>

thanks,

Peter

2024-04-25 16:49:35

by Peter Griffin

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Subject: Re: [PATCH v2 03/14] dt-bindings: ufs: exynos-ufs: Add gs101 compatible

Hi Rob,

Thanks for the review.

On Wed, 24 Apr 2024 at 20:53, Rob Herring <[email protected]> wrote:
>
> On Tue, Apr 23, 2024 at 09:49:55PM +0100, Peter Griffin wrote:
> > Add dedicated google,gs101-ufs compatible for Google Tensor gs101
> > SoC.
> >
> > Signed-off-by: Peter Griffin <[email protected]>
> > ---
> > .../bindings/ufs/samsung,exynos-ufs.yaml | 38 +++++++++++++++++--
> > 1 file changed, 35 insertions(+), 3 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> > index b2b509b3944d..1179527d29d1 100644
> > --- a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> > +++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> > @@ -12,12 +12,10 @@ maintainers:
> > description: |
> > Each Samsung UFS host controller instance should have its own node.
> >
> > -allOf:
> > - - $ref: ufs-common.yaml
> > -
> > properties:
> > compatible:
> > enum:
> > + - google,gs101-ufs
> > - samsung,exynos7-ufs
> > - samsung,exynosautov9-ufs
> > - samsung,exynosautov9-ufs-vh
> > @@ -38,14 +36,24 @@ properties:
> > - const: ufsp
> >
> > clocks:
> > + minItems: 2
> > items:
> > - description: ufs link core clock
> > - description: unipro main clock
> > + - description: fmp clock
> > + - description: ufs aclk clock
> > + - description: ufs pclk clock
> > + - description: sysreg clock
> >
> > clock-names:
> > + minItems: 2
> > items:
> > - const: core_clk
> > - const: sclk_unipro_main
> > + - const: fmp
> > + - const: ufs_aclk
> > + - const: ufs_pclk
>
> 'ufs_' is redundant.

Will fix.

Thanks,

Peter.