Add PCIe controller and PHY nodes for SDM845 and enable them for the
Dragonboard 845c.
Depends on PHY and controller supported added here:
https://lore.kernel.org/linux-arm-msm/[email protected]/T/#t
https://lore.kernel.org/linux-arm-msm/[email protected]/T/#t
Bjorn Andersson (3):
arm64: dts: qcom: sdm845: Add first PCIe controller and PHY
arm64: dts: qcom: sdm845: Add second PCIe PHY and controller
arm64: dts: qcom: db845c: Enable PCIe controllers
arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 91 +++++++++
arch/arm64/boot/dts/qcom/sdm845.dtsi | 212 +++++++++++++++++++++
2 files changed, 303 insertions(+)
--
2.23.0
Add the GEN2 PCIe controller and PHY found on SDM845.
Reviewed-by: Vinod Koul <[email protected]>
Signed-off-by: Bjorn Andersson <[email protected]>
---
Changes since v1:
- Picked up Vinod's R-b
arch/arm64/boot/dts/qcom/sdm845.dtsi | 104 +++++++++++++++++++++++++++
1 file changed, 104 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index ddb1f23c936f..b93537b7a59f 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -1364,6 +1364,110 @@
interrupts = <GIC_SPI 582 IRQ_TYPE_LEVEL_HIGH>;
};
+ pcie0: pci@1c00000 {
+ compatible = "qcom,pcie-sdm845", "snps,dw-pcie";
+ reg = <0 0x01c00000 0 0x2000>,
+ <0 0x60000000 0 0xf1d>,
+ <0 0x60000f20 0 0xa8>,
+ <0 0x60100000 0 0x100000>;
+ reg-names = "parf", "dbi", "elbi", "config";
+ device_type = "pci";
+ linux,pci-domain = <0>;
+ bus-range = <0x00 0xff>;
+ num-lanes = <1>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ ranges = <0x01000000 0x0 0x60200000 0 0x60200000 0x0 0x100000>,
+ <0x02000000 0x0 0x60300000 0 0x60300000 0x0 0xd00000>;
+
+ interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &intc 0 149 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+ <0 0 0 2 &intc 0 150 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+ <0 0 0 3 &intc 0 151 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+ <0 0 0 4 &intc 0 152 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+ clocks = <&gcc GCC_PCIE_0_PIPE_CLK>,
+ <&gcc GCC_PCIE_0_AUX_CLK>,
+ <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
+ <&gcc GCC_PCIE_0_SLV_AXI_CLK>,
+ <&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>,
+ <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>;
+ clock-names = "pipe",
+ "aux",
+ "cfg",
+ "bus_master",
+ "bus_slave",
+ "slave_q2a",
+ "tbu";
+
+ iommus = <&apps_smmu 0x1c10 0xf>;
+ iommu-map = <0x0 &apps_smmu 0x1c10 0x1>,
+ <0x100 &apps_smmu 0x1c11 0x1>,
+ <0x200 &apps_smmu 0x1c12 0x1>,
+ <0x300 &apps_smmu 0x1c13 0x1>,
+ <0x400 &apps_smmu 0x1c14 0x1>,
+ <0x500 &apps_smmu 0x1c15 0x1>,
+ <0x600 &apps_smmu 0x1c16 0x1>,
+ <0x700 &apps_smmu 0x1c17 0x1>,
+ <0x800 &apps_smmu 0x1c18 0x1>,
+ <0x900 &apps_smmu 0x1c19 0x1>,
+ <0xa00 &apps_smmu 0x1c1a 0x1>,
+ <0xb00 &apps_smmu 0x1c1b 0x1>,
+ <0xc00 &apps_smmu 0x1c1c 0x1>,
+ <0xd00 &apps_smmu 0x1c1d 0x1>,
+ <0xe00 &apps_smmu 0x1c1e 0x1>,
+ <0xf00 &apps_smmu 0x1c1f 0x1>;
+
+ resets = <&gcc GCC_PCIE_0_BCR>;
+ reset-names = "pci";
+
+ power-domains = <&gcc PCIE_0_GDSC>;
+
+ phys = <&pcie0_lane>;
+ phy-names = "pciephy";
+
+ status = "disabled";
+ };
+
+ pcie0_phy: phy@1c06000 {
+ compatible = "qcom,sdm845-qmp-pcie-phy";
+ reg = <0 0x01c06000 0 0x18c>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>,
+ <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_0_CLKREF_CLK>,
+ <&gcc GCC_PCIE_PHY_REFGEN_CLK>;
+ clock-names = "aux", "cfg_ahb", "ref", "refgen";
+
+ resets = <&gcc GCC_PCIE_0_PHY_BCR>;
+ reset-names = "phy";
+
+ assigned-clocks = <&gcc GCC_PCIE_PHY_REFGEN_CLK>;
+ assigned-clock-rates = <100000000>;
+
+ status = "disabled";
+
+ pcie0_lane: lanes@1c06200 {
+ reg = <0 0x01c06200 0 0x128>,
+ <0 0x01c06400 0 0x1fc>,
+ <0 0x01c06800 0 0x218>,
+ <0 0x01c06600 0 0x70>;
+ clocks = <&gcc GCC_PCIE_0_PIPE_CLK>;
+ clock-names = "pipe0";
+
+ #phy-cells = <0>;
+ clock-output-names = "pcie_0_pipe_clk";
+ };
+ };
+
ufs_mem_hc: ufshc@1d84000 {
compatible = "qcom,sdm845-ufshc", "qcom,ufshc",
"jedec,ufs-2.0";
--
2.23.0
Add the second PCIe controller and the associated QHP PHY found on
SDM845.
Reviewed-by: Vinod Koul <[email protected]>
Signed-off-by: Bjorn Andersson <[email protected]>
---
Changes since v1:
- Picked up Vinod's R-b
- Dropped interconnect property, for now
arch/arm64/boot/dts/qcom/sdm845.dtsi | 108 +++++++++++++++++++++++++++
1 file changed, 108 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index b93537b7a59f..f091670f1bdc 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -1468,6 +1468,114 @@
};
};
+ pcie1: pci@1c08000 {
+ compatible = "qcom,pcie-sdm845", "snps,dw-pcie";
+ reg = <0 0x01c08000 0 0x2000>,
+ <0 0x40000000 0 0xf1d>,
+ <0 0x40000f20 0 0xa8>,
+ <0 0x40100000 0 0x100000>;
+ reg-names = "parf", "dbi", "elbi", "config";
+ device_type = "pci";
+ linux,pci-domain = <1>;
+ bus-range = <0x00 0xff>;
+ num-lanes = <1>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ ranges = <0x01000000 0x0 0x40200000 0x0 0x40200000 0x0 0x100000>,
+ <0x02000000 0x0 0x40300000 0x0 0x40300000 0x0 0x1fd00000>;
+
+ interrupts = <GIC_SPI 307 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "msi";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &intc 0 434 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+ <0 0 0 2 &intc 0 435 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+ <0 0 0 3 &intc 0 438 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+ <0 0 0 4 &intc 0 439 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+
+ clocks = <&gcc GCC_PCIE_1_PIPE_CLK>,
+ <&gcc GCC_PCIE_1_AUX_CLK>,
+ <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_1_MSTR_AXI_CLK>,
+ <&gcc GCC_PCIE_1_SLV_AXI_CLK>,
+ <&gcc GCC_PCIE_1_SLV_Q2A_AXI_CLK>,
+ <&gcc GCC_PCIE_1_CLKREF_CLK>,
+ <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>;
+ clock-names = "pipe",
+ "aux",
+ "cfg",
+ "bus_master",
+ "bus_slave",
+ "slave_q2a",
+ "ref",
+ "tbu";
+
+ assigned-clocks = <&gcc GCC_PCIE_1_AUX_CLK>;
+ assigned-clock-rates = <19200000>;
+
+ iommus = <&apps_smmu 0x1c00 0xf>;
+ iommu-map = <0x0 &apps_smmu 0x1c00 0x1>,
+ <0x100 &apps_smmu 0x1c01 0x1>,
+ <0x200 &apps_smmu 0x1c02 0x1>,
+ <0x300 &apps_smmu 0x1c03 0x1>,
+ <0x400 &apps_smmu 0x1c04 0x1>,
+ <0x500 &apps_smmu 0x1c05 0x1>,
+ <0x600 &apps_smmu 0x1c06 0x1>,
+ <0x700 &apps_smmu 0x1c07 0x1>,
+ <0x800 &apps_smmu 0x1c08 0x1>,
+ <0x900 &apps_smmu 0x1c09 0x1>,
+ <0xa00 &apps_smmu 0x1c0a 0x1>,
+ <0xb00 &apps_smmu 0x1c0b 0x1>,
+ <0xc00 &apps_smmu 0x1c0c 0x1>,
+ <0xd00 &apps_smmu 0x1c0d 0x1>,
+ <0xe00 &apps_smmu 0x1c0e 0x1>,
+ <0xf00 &apps_smmu 0x1c0f 0x1>;
+
+ resets = <&gcc GCC_PCIE_1_BCR>;
+ reset-names = "pci";
+
+ power-domains = <&gcc PCIE_1_GDSC>;
+
+ phys = <&pcie1_lane>;
+ phy-names = "pciephy";
+
+ status = "disabled";
+ };
+
+ pcie1_phy: phy@1c0a000 {
+ compatible = "qcom,sdm845-qhp-pcie-phy";
+ reg = <0 0x01c0a000 0 0x800>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>,
+ <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_1_CLKREF_CLK>,
+ <&gcc GCC_PCIE_PHY_REFGEN_CLK>;
+ clock-names = "aux", "cfg_ahb", "ref", "refgen";
+
+ resets = <&gcc GCC_PCIE_1_PHY_BCR>;
+ reset-names = "phy";
+
+ assigned-clocks = <&gcc GCC_PCIE_PHY_REFGEN_CLK>;
+ assigned-clock-rates = <100000000>;
+
+ status = "disabled";
+
+ pcie1_lane: lanes@1c06200 {
+ reg = <0 0x01c0a800 0 0x800>,
+ <0 0x01c0a800 0 0x800>,
+ <0 0x01c0b800 0 0x400>;
+ clocks = <&gcc GCC_PCIE_1_PIPE_CLK>;
+ clock-names = "pipe0";
+
+ #phy-cells = <0>;
+ clock-output-names = "pcie_1_pipe_clk";
+ };
+ };
+
ufs_mem_hc: ufshc@1d84000 {
compatible = "qcom,sdm845-ufshc", "qcom,ufshc",
"jedec,ufs-2.0";
--
2.23.0
Enable the two PCIe controllers found on the Dragonboard845c.
Reviewed-by: Vinod Koul <[email protected]>
Signed-off-by: Bjorn Andersson <[email protected]>
---
Changes since v1:
- Picked up Vinod's R-b
arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 91 ++++++++++++++++++++++
1 file changed, 91 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
index f5a85caff1a3..c314b5d55796 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -340,6 +340,39 @@
<GCC_QSPI_CNOC_PERIPH_AHB_CLK>;
};
+&pcie0 {
+ status = "okay";
+ perst-gpio = <&tlmm 35 GPIO_ACTIVE_LOW>;
+ enable-gpio = <&tlmm 134 GPIO_ACTIVE_HIGH>;
+
+ vddpe-3v3-supply = <&pcie0_3p3v_dual>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_default_state>;
+};
+
+&pcie0_phy {
+ status = "okay";
+
+ vdda-phy-supply = <&vreg_l1a_0p875>;
+ vdda-pll-supply = <&vreg_l26a_1p2>;
+};
+
+&pcie1 {
+ status = "okay";
+ perst-gpio = <&tlmm 102 GPIO_ACTIVE_LOW>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie1_default_state>;
+};
+
+&pcie1_phy {
+ status = "okay";
+
+ vdda-phy-supply = <&vreg_l1a_0p875>;
+ vdda-pll-supply = <&vreg_l26a_1p2>;
+};
+
&pm8998_gpio {
vol_up_pin_a: vol-up-active {
pins = "gpio6";
@@ -382,6 +415,31 @@
};
&tlmm {
+ pcie0_default_state: pcie0-default {
+ clkreq {
+ pins = "gpio36";
+ function = "pci_e0";
+ bias-pull-up;
+ };
+
+ reset-n {
+ pins = "gpio35";
+ function = "gpio";
+
+ drive-strength = <2>;
+ output-low;
+ bias-pull-down;
+ };
+
+ wake-n {
+ pins = "gpio37";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
pcie0_pwren_state: pcie0-pwren {
pins = "gpio90";
function = "gpio";
@@ -390,6 +448,39 @@
bias-disable;
};
+ pcie1_default_state: pcie1-default {
+ perst-n {
+ pins = "gpio102";
+ function = "gpio";
+
+ drive-strength = <16>;
+ bias-disable;
+ };
+
+ clkreq {
+ pins = "gpio103";
+ function = "pci_e1";
+ bias-pull-up;
+ };
+
+ wake-n {
+ pins = "gpio11";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ reset-n {
+ pins = "gpio75";
+ function = "gpio";
+
+ drive-strength = <16>;
+ bias-pull-up;
+ output-high;
+ };
+ };
+
sdc2_default_state: sdc2-default {
clk {
pins = "sdc2_clk";
--
2.23.0
Hi Bjorn,
On Thu, Nov 7, 2019 at 1:22 AM Bjorn Andersson
<[email protected]> wrote:
>
> Add PCIe controller and PHY nodes for SDM845 and enable them for the
> Dragonboard 845c.
Thanks a lot the gen 3 PCIE works on my 845 platform.
Tested-by: Julien Massot <[email protected]>
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