2021-12-17 01:46:25

by Sam Protsenko

[permalink] [raw]
Subject: [PATCH v3 0/7] arm64: dts: exynos: Add E850-96 board support

WinLink's E850-96 is a dev board based on Exynos850 SoC [1]. The board's
design follows 96boards specifications, hence it's compatible with
96boards mezzanines [2].

This patch series adds the initial support for E850-96 board and
Exynos850 SoC, along with corresponding bindings. Only basic platform
components are enabled at the moment (like serial, I2C, eMMC, RTC, WDT,
clock driver, etc). Right now with this patch series it's possible to
run the kernel with BusyBox rootfs as a RAM disk. More features are
coming soon.

[1] https://www.samsung.com/semiconductor/minisite/exynos/products/mobileprocessor/exynos-850/
[2] https://www.96boards.org/products/mezzanine/

Changes in v3:
- Ordered the pinctrl_alive phandle alphabetically (patch 7/7)
- No other changes in v3

Changes in v2:
- Rebased on krzk/linux.git (for-next), to account for Exynos7885
changes
- Added missing and new tags (R-b and Ack)
- Addressed all comments for v1

Sam Protsenko (7):
dt-bindings: clock: exynos850: Add bindings for Exynos850 sysreg
clocks
clk: samsung: exynos850: Add missing sysreg clocks
dt-bindings: Add vendor prefix for WinLink
dt-bindings: arm: samsung: Document E850-96 board binding
dt-bindings: pinctrl: samsung: Add pin drive definitions for Exynos850
arm64: dts: exynos: Add initial Exynos850 SoC support
arm64: dts: exynos: Add initial E850-96 board support

.../bindings/arm/samsung/samsung-boards.yaml | 6 +
.../devicetree/bindings/vendor-prefixes.yaml | 2 +
arch/arm64/boot/dts/exynos/Makefile | 1 +
.../boot/dts/exynos/exynos850-e850-96.dts | 175 ++++
.../boot/dts/exynos/exynos850-pinctrl.dtsi | 713 +++++++++++++++++
arch/arm64/boot/dts/exynos/exynos850.dtsi | 753 ++++++++++++++++++
drivers/clk/samsung/clk-exynos850.c | 29 +
include/dt-bindings/clock/exynos850.h | 12 +-
include/dt-bindings/pinctrl/samsung.h | 13 +-
9 files changed, 1700 insertions(+), 4 deletions(-)
create mode 100644 arch/arm64/boot/dts/exynos/exynos850-e850-96.dts
create mode 100644 arch/arm64/boot/dts/exynos/exynos850-pinctrl.dtsi
create mode 100644 arch/arm64/boot/dts/exynos/exynos850.dtsi

--
2.30.2



2021-12-17 01:46:28

by Sam Protsenko

[permalink] [raw]
Subject: [PATCH v3 1/7] dt-bindings: clock: exynos850: Add bindings for Exynos850 sysreg clocks

System Register is used to configure system behavior, like USI protocol,
etc. SYSREG clocks should be provided to corresponding syscon nodes, to
make it possible to modify SYSREG registers.

While at it, add also missing PMU and GPIO clocks, which looks necessary
and might be needed for corresponding Exynos850 features soon.

Reviewed-by: Krzysztof Kozlowski <[email protected]>
Acked-by: Rob Herring <[email protected]>
Acked-by: Chanwoo Choi <[email protected]>
Signed-off-by: Sam Protsenko <[email protected]>
---
Changes in v3:
- (none)

Changes in v2:
- Added R-b tag by Krzysztof Kozlowski
- Added Ack tag by Rob Herring
- Added Ack tag by Chanwoo Choi

include/dt-bindings/clock/exynos850.h | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/include/dt-bindings/clock/exynos850.h b/include/dt-bindings/clock/exynos850.h
index 8aa5e82af0d3..0b6a3c6a7c90 100644
--- a/include/dt-bindings/clock/exynos850.h
+++ b/include/dt-bindings/clock/exynos850.h
@@ -82,7 +82,10 @@
#define CLK_GOUT_I3C_PCLK 19
#define CLK_GOUT_I3C_SCLK 20
#define CLK_GOUT_SPEEDY_PCLK 21
-#define APM_NR_CLK 22
+#define CLK_GOUT_GPIO_ALIVE_PCLK 22
+#define CLK_GOUT_PMU_ALIVE_PCLK 23
+#define CLK_GOUT_SYSREG_APM_PCLK 24
+#define APM_NR_CLK 25

/* CMU_CMGP */
#define CLK_RCO_CMGP 1
@@ -99,7 +102,8 @@
#define CLK_GOUT_CMGP_USI0_PCLK 12
#define CLK_GOUT_CMGP_USI1_IPCLK 13
#define CLK_GOUT_CMGP_USI1_PCLK 14
-#define CMGP_NR_CLK 15
+#define CLK_GOUT_SYSREG_CMGP_PCLK 15
+#define CMGP_NR_CLK 16

/* CMU_HSI */
#define CLK_MOUT_HSI_BUS_USER 1
@@ -167,7 +171,9 @@
#define CLK_GOUT_MMC_EMBD_SDCLKIN 10
#define CLK_GOUT_SSS_ACLK 11
#define CLK_GOUT_SSS_PCLK 12
-#define CORE_NR_CLK 13
+#define CLK_GOUT_GPIO_CORE_PCLK 13
+#define CLK_GOUT_SYSREG_CORE_PCLK 14
+#define CORE_NR_CLK 15

/* CMU_DPU */
#define CLK_MOUT_DPU_USER 1
--
2.30.2


2021-12-17 01:46:28

by Sam Protsenko

[permalink] [raw]
Subject: [PATCH v3 4/7] dt-bindings: arm: samsung: Document E850-96 board binding

Add binding for the WinLink E850-96 board, which is based on Samsung
Exynos850 SoC.

Signed-off-by: Sam Protsenko <[email protected]>
---
Changes in v3:
- (none)

Changes in v2:
- Moved Exynos850/E850-96 binding before Exynos Auto V9 entry
- Rebased on krzk/linux.git (for-next), to account for Exynos7885
changes

.../devicetree/bindings/arm/samsung/samsung-boards.yaml | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml
index d88571202713..052cd94113d4 100644
--- a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml
+++ b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml
@@ -205,6 +205,12 @@ properties:
- samsung,jackpotlte # Samsung Galaxy A8 (2018)
- const: samsung,exynos7885

+ - description: Exynos850 based boards
+ items:
+ - enum:
+ - winlink,e850-96 # WinLink E850-96
+ - const: samsung,exynos850
+
- description: Exynos Auto v9 based boards
items:
- enum:
--
2.30.2


2021-12-17 01:46:29

by Sam Protsenko

[permalink] [raw]
Subject: [PATCH v3 3/7] dt-bindings: Add vendor prefix for WinLink

WinLink Co., Ltd is a hardware design and manufacturing company based in
South Korea. Official web-site: [1].

[1] http://win-link.net/

Acked-by: Rob Herring <[email protected]>
Signed-off-by: Sam Protsenko <[email protected]>
---
Changes in v3:
- (none)

Changes in v2:
- Added Ack tag by Rob Herring

Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++
1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 4698213611db..25f94c723cbc 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1328,6 +1328,8 @@ patternProperties:
description: Wiligear, Ltd.
"^winbond,.*":
description: Winbond Electronics corp.
+ "^winlink,.*":
+ description: WinLink Co., Ltd
"^winstar,.*":
description: Winstar Display Corp.
"^wits,.*":
--
2.30.2


2021-12-17 01:46:31

by Sam Protsenko

[permalink] [raw]
Subject: [PATCH v3 5/7] dt-bindings: pinctrl: samsung: Add pin drive definitions for Exynos850

All Exynos850 GPIO blocks can use EXYNOS5420_PIN_DRV* definitions,
except GPIO_HSI block. Add pin drive strength definitions for GPIO_HSI
block correspondingly.

Acked-by: Rob Herring <[email protected]>
Signed-off-by: Sam Protsenko <[email protected]>
---
Changes in v3:
- (none)

Changes in v2:
- Added Ack tag by Rob Herring

include/dt-bindings/pinctrl/samsung.h | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/include/dt-bindings/pinctrl/samsung.h b/include/dt-bindings/pinctrl/samsung.h
index b1832506b923..950970634dfe 100644
--- a/include/dt-bindings/pinctrl/samsung.h
+++ b/include/dt-bindings/pinctrl/samsung.h
@@ -36,7 +36,10 @@
#define EXYNOS5260_PIN_DRV_LV4 2
#define EXYNOS5260_PIN_DRV_LV6 3

-/* Drive strengths for Exynos5410, Exynos542x and Exynos5800 */
+/*
+ * Drive strengths for Exynos5410, Exynos542x, Exynos5800 and Exynos850 (except
+ * GPIO_HSI block)
+ */
#define EXYNOS5420_PIN_DRV_LV1 0
#define EXYNOS5420_PIN_DRV_LV2 1
#define EXYNOS5420_PIN_DRV_LV3 2
@@ -56,6 +59,14 @@
#define EXYNOS5433_PIN_DRV_SLOW_SR5 0xc
#define EXYNOS5433_PIN_DRV_SLOW_SR6 0xf

+/* Drive strengths for Exynos850 GPIO_HSI block */
+#define EXYNOS850_HSI_PIN_DRV_LV1 0 /* 1x */
+#define EXYNOS850_HSI_PIN_DRV_LV1_5 1 /* 1.5x */
+#define EXYNOS850_HSI_PIN_DRV_LV2 2 /* 2x */
+#define EXYNOS850_HSI_PIN_DRV_LV2_5 3 /* 2.5x */
+#define EXYNOS850_HSI_PIN_DRV_LV3 4 /* 3x */
+#define EXYNOS850_HSI_PIN_DRV_LV4 5 /* 4x */
+
#define EXYNOS_PIN_FUNC_INPUT 0
#define EXYNOS_PIN_FUNC_OUTPUT 1
#define EXYNOS_PIN_FUNC_2 2
--
2.30.2


2021-12-17 01:46:33

by Sam Protsenko

[permalink] [raw]
Subject: [PATCH v3 2/7] clk: samsung: exynos850: Add missing sysreg clocks

System Register is used to configure system behavior, like USI protocol,
etc. SYSREG clocks should be provided to corresponding syscon nodes, to
make it possible to modify SYSREG registers.

While at it, add also missing PMU and GPIO clocks, which looks necessary
and might be needed for corresponding Exynos850 features soon.

Reviewed-by: Krzysztof Kozlowski <[email protected]>
Acked-by: Chanwoo Choi <[email protected]>
Signed-off-by: Sam Protsenko <[email protected]>
---
Changes in v3:
- (none)

Changes in v2:
- Added R-b tag by Krzysztof Kozlowski
- Added Ack tag by Chanwoo Choi

drivers/clk/samsung/clk-exynos850.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)

diff --git a/drivers/clk/samsung/clk-exynos850.c b/drivers/clk/samsung/clk-exynos850.c
index 568ac97c8120..4799771d09bc 100644
--- a/drivers/clk/samsung/clk-exynos850.c
+++ b/drivers/clk/samsung/clk-exynos850.c
@@ -426,11 +426,14 @@ CLK_OF_DECLARE(exynos850_cmu_top, "samsung,exynos850-cmu-top",
#define CLK_CON_DIV_DIV_CLK_APM_I3C 0x1808
#define CLK_CON_GAT_CLKCMU_CMGP_BUS 0x2000
#define CLK_CON_GAT_GATE_CLKCMU_CHUB_BUS 0x2014
+#define CLK_CON_GAT_GOUT_APM_APBIF_GPIO_ALIVE_PCLK 0x2018
+#define CLK_CON_GAT_GOUT_APM_APBIF_PMU_ALIVE_PCLK 0x2020
#define CLK_CON_GAT_GOUT_APM_APBIF_RTC_PCLK 0x2024
#define CLK_CON_GAT_GOUT_APM_APBIF_TOP_RTC_PCLK 0x2028
#define CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_PCLK 0x2034
#define CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK 0x2038
#define CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK 0x20bc
+#define CLK_CON_GAT_GOUT_APM_SYSREG_APM_PCLK 0x20c0

static const unsigned long apm_clk_regs[] __initconst = {
PLL_CON0_MUX_CLKCMU_APM_BUS_USER,
@@ -445,11 +448,14 @@ static const unsigned long apm_clk_regs[] __initconst = {
CLK_CON_DIV_DIV_CLK_APM_I3C,
CLK_CON_GAT_CLKCMU_CMGP_BUS,
CLK_CON_GAT_GATE_CLKCMU_CHUB_BUS,
+ CLK_CON_GAT_GOUT_APM_APBIF_GPIO_ALIVE_PCLK,
+ CLK_CON_GAT_GOUT_APM_APBIF_PMU_ALIVE_PCLK,
CLK_CON_GAT_GOUT_APM_APBIF_RTC_PCLK,
CLK_CON_GAT_GOUT_APM_APBIF_TOP_RTC_PCLK,
CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_PCLK,
CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK,
CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK,
+ CLK_CON_GAT_GOUT_APM_SYSREG_APM_PCLK,
};

/* List of parent clocks for Muxes in CMU_APM */
@@ -512,6 +518,14 @@ static const struct samsung_gate_clock apm_gate_clks[] __initconst = {
CLK_CON_GAT_GOUT_APM_I3C_APM_PMIC_I_SCLK, 21, 0, 0),
GATE(CLK_GOUT_SPEEDY_PCLK, "gout_speedy_pclk", "dout_apm_bus",
CLK_CON_GAT_GOUT_APM_SPEEDY_APM_PCLK, 21, 0, 0),
+ /* TODO: Should be enabled in GPIO driver (or made CLK_IS_CRITICAL) */
+ GATE(CLK_GOUT_GPIO_ALIVE_PCLK, "gout_gpio_alive_pclk", "dout_apm_bus",
+ CLK_CON_GAT_GOUT_APM_APBIF_GPIO_ALIVE_PCLK, 21, CLK_IGNORE_UNUSED,
+ 0),
+ GATE(CLK_GOUT_PMU_ALIVE_PCLK, "gout_pmu_alive_pclk", "dout_apm_bus",
+ CLK_CON_GAT_GOUT_APM_APBIF_PMU_ALIVE_PCLK, 21, 0, 0),
+ GATE(CLK_GOUT_SYSREG_APM_PCLK, "gout_sysreg_apm_pclk", "dout_apm_bus",
+ CLK_CON_GAT_GOUT_APM_SYSREG_APM_PCLK, 21, 0, 0),
};

static const struct samsung_cmu_info apm_cmu_info __initconst = {
@@ -541,6 +555,7 @@ static const struct samsung_cmu_info apm_cmu_info __initconst = {
#define CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S0 0x200c
#define CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S1 0x2010
#define CLK_CON_GAT_GOUT_CMGP_GPIO_PCLK 0x2018
+#define CLK_CON_GAT_GOUT_CMGP_SYSREG_CMGP_PCLK 0x2040
#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_IPCLK 0x2044
#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_PCLK 0x2048
#define CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_IPCLK 0x204c
@@ -556,6 +571,7 @@ static const unsigned long cmgp_clk_regs[] __initconst = {
CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S0,
CLK_CON_GAT_GOUT_CMGP_ADC_PCLK_S1,
CLK_CON_GAT_GOUT_CMGP_GPIO_PCLK,
+ CLK_CON_GAT_GOUT_CMGP_SYSREG_CMGP_PCLK,
CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_IPCLK,
CLK_CON_GAT_GOUT_CMGP_USI_CMGP0_PCLK,
CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_IPCLK,
@@ -610,6 +626,9 @@ static const struct samsung_gate_clock cmgp_gate_clks[] __initconst = {
GATE(CLK_GOUT_CMGP_USI1_PCLK, "gout_cmgp_usi1_pclk",
"gout_clkcmu_cmgp_bus",
CLK_CON_GAT_GOUT_CMGP_USI_CMGP1_PCLK, 21, 0, 0),
+ GATE(CLK_GOUT_SYSREG_CMGP_PCLK, "gout_sysreg_cmgp_pclk",
+ "gout_clkcmu_cmgp_bus",
+ CLK_CON_GAT_GOUT_CMGP_SYSREG_CMGP_PCLK, 21, 0, 0),
};

static const struct samsung_cmu_info cmgp_cmu_info __initconst = {
@@ -910,10 +929,12 @@ CLK_OF_DECLARE(exynos850_cmu_peri, "samsung,exynos850-cmu-peri",
#define CLK_CON_DIV_DIV_CLK_CORE_BUSP 0x1800
#define CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK 0x2038
#define CLK_CON_GAT_GOUT_CORE_GIC_CLK 0x2040
+#define CLK_CON_GAT_GOUT_CORE_GPIO_CORE_PCLK 0x2044
#define CLK_CON_GAT_GOUT_CORE_MMC_EMBD_I_ACLK 0x20e8
#define CLK_CON_GAT_GOUT_CORE_MMC_EMBD_SDCLKIN 0x20ec
#define CLK_CON_GAT_GOUT_CORE_SSS_I_ACLK 0x2128
#define CLK_CON_GAT_GOUT_CORE_SSS_I_PCLK 0x212c
+#define CLK_CON_GAT_GOUT_CORE_SYSREG_CORE_PCLK 0x2130

static const unsigned long core_clk_regs[] __initconst = {
PLL_CON0_MUX_CLKCMU_CORE_BUS_USER,
@@ -924,10 +945,12 @@ static const unsigned long core_clk_regs[] __initconst = {
CLK_CON_DIV_DIV_CLK_CORE_BUSP,
CLK_CON_GAT_GOUT_CORE_CCI_550_ACLK,
CLK_CON_GAT_GOUT_CORE_GIC_CLK,
+ CLK_CON_GAT_GOUT_CORE_GPIO_CORE_PCLK,
CLK_CON_GAT_GOUT_CORE_MMC_EMBD_I_ACLK,
CLK_CON_GAT_GOUT_CORE_MMC_EMBD_SDCLKIN,
CLK_CON_GAT_GOUT_CORE_SSS_I_ACLK,
CLK_CON_GAT_GOUT_CORE_SSS_I_PCLK,
+ CLK_CON_GAT_GOUT_CORE_SYSREG_CORE_PCLK,
};

/* List of parent clocks for Muxes in CMU_CORE */
@@ -972,6 +995,12 @@ static const struct samsung_gate_clock core_gate_clks[] __initconst = {
CLK_CON_GAT_GOUT_CORE_SSS_I_ACLK, 21, 0, 0),
GATE(CLK_GOUT_SSS_PCLK, "gout_sss_pclk", "dout_core_busp",
CLK_CON_GAT_GOUT_CORE_SSS_I_PCLK, 21, 0, 0),
+ /* TODO: Should be enabled in GPIO driver (or made CLK_IS_CRITICAL) */
+ GATE(CLK_GOUT_GPIO_CORE_PCLK, "gout_gpio_core_pclk", "dout_core_busp",
+ CLK_CON_GAT_GOUT_CORE_GPIO_CORE_PCLK, 21, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_GOUT_SYSREG_CORE_PCLK, "gout_sysreg_core_pclk",
+ "dout_core_busp",
+ CLK_CON_GAT_GOUT_CORE_SYSREG_CORE_PCLK, 21, 0, 0),
};

static const struct samsung_cmu_info core_cmu_info __initconst = {
--
2.30.2


2021-12-17 01:46:35

by Sam Protsenko

[permalink] [raw]
Subject: [PATCH v3 6/7] arm64: dts: exynos: Add initial Exynos850 SoC support

Samsung Exynos850 is ARMv8-based mobile-oriented SoC. This patch adds
initial SoC support. It's not comprehensive yet, some more devices will
be added later. Right now only crucial system components and most needed
platform devices are defined.

Crucial features (needed to boot Linux up to shell with serial console):

* Octa cores (Cortex-A55), supporting PSCI v1.0
* ARM architected timer (armv8-timer)
* Interrupt controller (GIC-400)
* Pinctrl nodes for GPIO
* Serial node

Basic platform features:

* Clock controller CMUs
* OSCCLK clock
* RTC clock
* MCT timer
* ARM PMU (Performance Monitor Unit)
* Chip-id
* RTC
* Reset
* Watchdog timers
* eMMC
* I2C
* HSI2C
* USI

All those features were already enabled and tested on E850-96 board with
minimal BusyBox rootfs.

Signed-off-by: Sam Protsenko <[email protected]>
---
Changes in v3:
- (none)

Changes in v2:
- Merged spi*_cs_func_pins nodes (Chip Select pin) into spi*_pins
nodes
- Removed spi*_cs_pins nodes (GPIO configuration for SPI CS pins)
- Sorted pinctrl_peri "pins" nodes by name
- Removed USI aliases
- Added TODO comment for RTC clock (needs to be implemented in PMIC)
- Sorted cmu nodes by unit address
- Sorted pinctrl nodes by unit address

.../boot/dts/exynos/exynos850-pinctrl.dtsi | 713 +++++++++++++++++
arch/arm64/boot/dts/exynos/exynos850.dtsi | 753 ++++++++++++++++++
2 files changed, 1466 insertions(+)
create mode 100644 arch/arm64/boot/dts/exynos/exynos850-pinctrl.dtsi
create mode 100644 arch/arm64/boot/dts/exynos/exynos850.dtsi

diff --git a/arch/arm64/boot/dts/exynos/exynos850-pinctrl.dtsi b/arch/arm64/boot/dts/exynos/exynos850-pinctrl.dtsi
new file mode 100644
index 000000000000..93fa05e642ed
--- /dev/null
+++ b/arch/arm64/boot/dts/exynos/exynos850-pinctrl.dtsi
@@ -0,0 +1,713 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Samsung's Exynos850 SoC pin-mux and pin-config device tree source
+ *
+ * Copyright (C) 2017 Samsung Electronics Co., Ltd.
+ * Copyright (C) 2021 Linaro Ltd.
+ *
+ * Samsung's Exynos850 SoC pin-mux and pin-config options are listed as device
+ * tree nodes in this file.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/pinctrl/samsung.h>
+
+&pinctrl_alive {
+ gpa0: gpa0 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ gpa1: gpa1 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ gpa2: gpa2 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ gpa3: gpa3 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ gpa4: gpa4 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ gpq0: gpq0 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ /* I2C5 (also called CAM_PMIC_I2C in TRM) */
+ i2c5_pins: i2c5-pins {
+ samsung,pins = "gpa3-5", "gpa3-6";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ /* I2C6 (also called MOTOR_I2C in TRM) */
+ i2c6_pins: i2c6-pins {
+ samsung,pins = "gpa3-7", "gpa4-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ /* USI: UART_DEBUG_0 pins */
+ uart0_pins: uart0-pins {
+ samsung,pins = "gpq0-0", "gpq0-1";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ };
+
+ /* USI: UART_DEBUG_1 pins */
+ uart1_pins: uart1-pins {
+ samsung,pins = "gpa3-7", "gpa4-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ };
+};
+
+&pinctrl_cmgp {
+ gpm0: gpm0 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ gpm1: gpm1 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ gpm2: gpm2 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ gpm3: gpm3 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ gpm4: gpm4 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ gpm5: gpm5 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ /* USI_CMGP0: HSI2C function */
+ hsi2c3_pins: hsi2c3-pins {
+ samsung,pins = "gpm0-0", "gpm1-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ /* USI_CMGP0: UART function (4 pins, Auto Flow Control) */
+ uart1_single_pins: uart1-single-pins {
+ samsung,pins = "gpm0-0", "gpm1-0", "gpm2-0", "gpm3-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ };
+
+ /* USI_CMGP0: UART function (2 pins, Non-Auto Flow Control) */
+ uart1_dual_pins: uart1-dual-pins {
+ samsung,pins = "gpm0-0", "gpm1-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ };
+
+ /* USI_CMGP0: SPI function */
+ spi1_pins: spi1-pins {
+ samsung,pins = "gpm0-0", "gpm1-0", "gpm2-0", "gpm3-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ /* USI_CMGP1: HSI2C function */
+ hsi2c4_pins: hsi2c4-pins {
+ samsung,pins = "gpm4-0", "gpm5-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ /* USI_CMGP1: UART function (4 pins, Auto Flow Control) */
+ uart2_single_pins: uart2-single-pins {
+ samsung,pins = "gpm4-0", "gpm5-0", "gpm6-0", "gpm7-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ };
+
+ /* USI_CMGP1: UART function (2 pins, Non-Auto Flow Control) */
+ uart2_dual_pins: uart2-dual-pins {
+ samsung,pins = "gpm4-0", "gpm5-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ };
+
+ /* USI_CMGP1: SPI function */
+ spi2_pins: spi2-pins {
+ samsung,pins = "gpm4-0", "gpm5-0", "gpm6-0", "gpm7-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+};
+
+&pinctrl_aud {
+ gpb0: gpb0 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ gpb1: gpb1 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ aud_codec_mclk_pins: aud-codec-mclk-pins {
+ samsung,pins = "gpb0-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ };
+
+ aud_codec_mclk_idle_pins: aud-codec-mclk-idle-pins {
+ samsung,pins = "gpb0-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ };
+
+ aud_i2s0_pins: aud-i2s0-pins {
+ samsung,pins = "gpb0-1", "gpb0-2", "gpb0-3", "gpb0-4";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ };
+
+ aud_i2s0_idle_pins: aud-i2s0-idle-pins {
+ samsung,pins = "gpb0-1", "gpb0-2", "gpb0-3", "gpb0-4";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ };
+
+ aud_i2s1_pins: aud-i2s1-pins {
+ samsung,pins = "gpb1-0", "gpb1-1", "gpb1-2", "gpb1-3";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ };
+
+ aud_i2s1_idle_pins: aud-i2s1-idle-pins {
+ samsung,pins = "gpb1-0", "gpb1-1", "gpb1-2", "gpb1-3";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ };
+
+ aud_fm_pins: aud-fm-pins {
+ samsung,pins = "gpb1-4";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ };
+
+ aud_fm_idle_pins: aud-fm-idle-pins {
+ samsung,pins = "gpb1-4";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ };
+};
+
+&pinctrl_hsi {
+ gpf2: gpf2 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ sd2_clk_pins: sd2-clk-pins {
+ samsung,pins = "gpf2-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV2>;
+ };
+
+ sd2_clk_fast_slew_rate_1x_pins: sd2-clk-fast-slew-rate-1x-pins {
+ samsung,pins = "gpf2-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV1>;
+ };
+
+ sd2_clk_fast_slew_rate_1_5x_pins: sd2-clk-fast-slew-rate-1-5x-pins {
+ samsung,pins = "gpf2-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV1_5>;
+ };
+
+ sd2_clk_fast_slew_rate_2x_pins: sd2-clk-fast-slew-rate-2x-pins {
+ samsung,pins = "gpf2-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV2>;
+ };
+
+ sd2_clk_fast_slew_rate_2_5x_pins: sd2-clk-fast-slew-rate-2-5x-pins {
+ samsung,pins = "gpf2-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV2_5>;
+ };
+
+ sd2_clk_fast_slew_rate_3x_pins: sd2-clk-fast-slew-rate-3x-pins {
+ samsung,pins = "gpf2-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV3>;
+ };
+
+ sd2_clk_fast_slew_rate_4x_pins: sd2-clk-fast-slew-rate-4x-pins {
+ samsung,pins = "gpf2-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV4>;
+ };
+
+ sd2_cmd_pins: sd2-cmd-pins {
+ samsung,pins = "gpf2-1";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV2>;
+ };
+
+ sd2_bus1_pins: sd2-bus1-pins {
+ samsung,pins = "gpf2-2";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV2>;
+ };
+
+ sd2_bus4_pins: sd2-bus4-pins {
+ samsung,pins = "gpf2-3", "gpf2-4", "gpf2-5";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS850_HSI_PIN_DRV_LV2>;
+ };
+
+ sd2_pdn_pins: sd2-pdn-pins {
+ samsung,pins = "gpf2-0", "gpf2-1", "gpf2-2", "gpf2-3",
+ "gpf2-4", "gpf2-5";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ };
+};
+
+&pinctrl_core {
+ gpf0: gpf0 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ gpf1: gpf1 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ sd0_clk_pins: sd0-clk-pins {
+ samsung,pins = "gpf0-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+ };
+
+ sd0_clk_fast_slew_rate_1x_pins: sd0-clk-fast-slew-rate-1x-pins {
+ samsung,pins = "gpf0-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ sd0_clk_fast_slew_rate_2x_pins: sd0-clk-fast-slew-rate-2x-pins {
+ samsung,pins = "gpf0-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV2>;
+ };
+
+ sd0_clk_fast_slew_rate_3x_pins: sd0-clk-fast-slew-rate-3x-pins {
+ samsung,pins = "gpf0-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+ };
+
+ sd0_clk_fast_slew_rate_4x_pins: sd0-clk-fast-slew-rate-4x-pins {
+ samsung,pins = "gpf0-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+ };
+
+ sd0_cmd_pins: sd0-cmd-pins {
+ samsung,pins = "gpf0-1";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+ };
+
+ sd0_rdqs_pins: sd0-rdqs-pins {
+ samsung,pins = "gpf0-2";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+ };
+
+ sd0_nreset_pins: sd0-nreset-pins {
+ samsung,pins = "gpf0-3";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+ };
+
+ sd0_bus1_pins: sd0-bus1-pins {
+ samsung,pins = "gpf1-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+ };
+
+ sd0_bus4_pins: sd0-bus4-pins {
+ samsung,pins = "gpf1-1", "gpf1-2", "gpf1-3";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+ };
+
+ sd0_bus8_pins: sd0-bus8-pins {
+ samsung,pins = "gpf1-4", "gpf1-5", "gpf1-6", "gpf1-7";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+ };
+};
+
+&pinctrl_peri {
+ gpc0: gpc0 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ gpc1: gpc1 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ gpg0: gpg0 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ gpg1: gpg1 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ gpg2: gpg2 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ gpg3: gpg3 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ gpp0: gpp0 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+ gpp1: gpp1 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ gpp2: gpp2 {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ sensor_mclk0_in_pins: sensor-mclk0-in-pins {
+ samsung,pins = "gpc0-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+ };
+
+ sensor_mclk0_out_pins: sensor-mclk0-out-pins {
+ samsung,pins = "gpc0-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+ };
+
+ sensor_mclk0_fn_pins: sensor-mclk0-fn-pins {
+ samsung,pins = "gpc0-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+ };
+
+ sensor_mclk1_in_pins: sensor-mclk1-in-pins {
+ samsung,pins = "gpc0-1";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+ };
+
+ sensor_mclk1_out_pins: sensor-mclk1-out-pins {
+ samsung,pins = "gpc0-1";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+ };
+
+ sensor_mclk1_fn_pins: sensor-mclk1-fn-pins {
+ samsung,pins = "gpc0-1";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+ };
+
+ sensor_mclk2_in_pins: sensor-mclk2-in-pins {
+ samsung,pins = "gpc0-2";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+ };
+
+ sensor_mclk2_out_pins: sensor-mclk2-out-pins {
+ samsung,pins = "gpc0-2";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+ };
+
+ sensor_mclk2_fn_pins: sensor-mclk2-fn-pins {
+ samsung,pins = "gpc0-2";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV3>;
+ };
+
+ /* USI: HSI2C0 */
+ hsi2c0_pins: hsi2c0-pins {
+ samsung,pins = "gpc1-0", "gpc1-1";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ /* USI: HSI2C1 */
+ hsi2c1_pins: hsi2c1-pins {
+ samsung,pins = "gpc1-2", "gpc1-3";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ /* USI: HSI2C2 */
+ hsi2c2_pins: hsi2c2-pins {
+ samsung,pins = "gpc1-4", "gpc1-5";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ /* USI: SPI */
+ spi0_pins: spi0-pins {
+ samsung,pins = "gpp2-0", "gpp2-1", "gpp2-2", "gpp2-3";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ i2c0_pins: i2c0-pins {
+ samsung,pins = "gpp0-0", "gpp0-1";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ i2c1_pins: i2c1-pins {
+ samsung,pins = "gpp0-2", "gpp0-3";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ i2c2_pins: i2c2-pins {
+ samsung,pins = "gpp0-4", "gpp0-5";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ i2c3_pins: i2c3-pins {
+ samsung,pins = "gpp1-0", "gpp1-1";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ i2c4_pins: i2c4-pins {
+ samsung,pins = "gpp1-2", "gpp1-3";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ xclkout_pins: xclkout-pins {
+ samsung,pins = "gpq0-2";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ };
+};
diff --git a/arch/arm64/boot/dts/exynos/exynos850.dtsi b/arch/arm64/boot/dts/exynos/exynos850.dtsi
new file mode 100644
index 000000000000..458f5bc22f59
--- /dev/null
+++ b/arch/arm64/boot/dts/exynos/exynos850.dtsi
@@ -0,0 +1,753 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Samsung Exynos850 SoC device tree source
+ *
+ * Copyright (C) 2018 Samsung Electronics Co., Ltd.
+ * Copyright (C) 2021 Linaro Ltd.
+ *
+ * Samsung Exynos850 SoC device nodes are listed in this file.
+ * Exynos850 based board files can include this file and provide
+ * values for board specific bindings.
+ */
+
+#include <dt-bindings/clock/exynos850.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/soc/samsung,exynos-usi.h>
+
+/ {
+ /* Also known under engineering name Exynos3830 */
+ compatible = "samsung,exynos850";
+ #address-cells = <2>;
+ #size-cells = <1>;
+
+ interrupt-parent = <&gic>;
+
+ aliases {
+ pinctrl0 = &pinctrl_alive;
+ pinctrl1 = &pinctrl_cmgp;
+ pinctrl2 = &pinctrl_aud;
+ pinctrl3 = &pinctrl_hsi;
+ pinctrl4 = &pinctrl_core;
+ pinctrl5 = &pinctrl_peri;
+ mmc0 = &mmc_0;
+ serial0 = &serial_0;
+ serial1 = &serial_1;
+ serial2 = &serial_2;
+ i2c0 = &i2c_0;
+ i2c1 = &i2c_1;
+ i2c2 = &i2c_2;
+ i2c3 = &i2c_3;
+ i2c4 = &i2c_4;
+ i2c5 = &i2c_5;
+ i2c6 = &i2c_6;
+ i2c7 = &hsi2c_0;
+ i2c8 = &hsi2c_1;
+ i2c9 = &hsi2c_2;
+ i2c10 = &hsi2c_3;
+ i2c11 = &hsi2c_4;
+ };
+
+ arm-pmu {
+ compatible = "arm,cortex-a55-pmu";
+ interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>,
+ <&cpu4>, <&cpu5>, <&cpu6>, <&cpu7>;
+ };
+
+ /* Main system clock (XTCXO); external, must be 26 MHz */
+ oscclk: clock-oscclk {
+ compatible = "fixed-clock";
+ clock-output-names = "oscclk";
+ #clock-cells = <0>;
+ };
+
+ /*
+ * RTC clock (XrtcXTI); external, must be 32.768 kHz.
+ *
+ * TODO: Remove this once RTC clock is implemented properly as part of
+ * PMIC driver.
+ */
+ rtcclk: clock-rtcclk {
+ compatible = "fixed-clock";
+ clock-output-names = "rtcclk";
+ #clock-cells = <0>;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&cpu0>;
+ };
+ core1 {
+ cpu = <&cpu1>;
+ };
+ core2 {
+ cpu = <&cpu2>;
+ };
+ core3 {
+ cpu = <&cpu3>;
+ };
+ };
+
+ cluster1 {
+ core0 {
+ cpu = <&cpu4>;
+ };
+ core1 {
+ cpu = <&cpu5>;
+ };
+ core2 {
+ cpu = <&cpu6>;
+ };
+ core3 {
+ cpu = <&cpu7>;
+ };
+ };
+ };
+
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ reg = <0x0>;
+ enable-method = "psci";
+ };
+ cpu1: cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ reg = <0x1>;
+ enable-method = "psci";
+ };
+ cpu2: cpu@2 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ reg = <0x2>;
+ enable-method = "psci";
+ };
+ cpu3: cpu@3 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ reg = <0x3>;
+ enable-method = "psci";
+ };
+ cpu4: cpu@100 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ reg = <0x100>;
+ enable-method = "psci";
+ };
+ cpu5: cpu@101 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ reg = <0x101>;
+ enable-method = "psci";
+ };
+ cpu6: cpu@102 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ reg = <0x102>;
+ enable-method = "psci";
+ };
+ cpu7: cpu@103 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a55";
+ reg = <0x103>;
+ enable-method = "psci";
+ };
+ };
+
+ psci {
+ compatible = "arm,psci-1.0";
+ method = "smc";
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ /* Hypervisor Virtual Timer interrupt is not wired to GIC */
+ interrupts =
+ <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
+ };
+
+ soc: soc@0 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x0 0x0 0x20000000>;
+
+ chipid@10000000 {
+ compatible = "samsung,exynos850-chipid";
+ reg = <0x10000000 0x100>;
+ };
+
+ timer@10040000 {
+ compatible = "samsung,exynos4210-mct";
+ reg = <0x10040000 0x800>;
+ interrupts = <GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 209 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 210 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 214 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&oscclk>, <&cmu_peri CLK_GOUT_MCT_PCLK>;
+ clock-names = "fin_pll", "mct";
+ };
+
+ gic: interrupt-controller@12a01000 {
+ compatible = "arm,gic-400";
+ #interrupt-cells = <3>;
+ #address-cells = <0>;
+ reg = <0x12a01000 0x1000>,
+ <0x12a02000 0x2000>,
+ <0x12a04000 0x2000>,
+ <0x12a06000 0x2000>;
+ interrupt-controller;
+ interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(8) |
+ IRQ_TYPE_LEVEL_HIGH)>;
+ };
+
+ pmu_system_controller: system-controller@11860000 {
+ compatible = "samsung,exynos850-pmu", "syscon";
+ reg = <0x11860000 0x10000>;
+ clocks = <&cmu_apm CLK_GOUT_PMU_ALIVE_PCLK>;
+
+ reboot: syscon-reboot {
+ compatible = "syscon-reboot";
+ regmap = <&pmu_system_controller>;
+ offset = <0x3a00>; /* SYSTEM_CONFIGURATION */
+ mask = <0x2>; /* SWRESET_SYSTEM */
+ value = <0x2>; /* reset value */
+ };
+ };
+
+ watchdog_cl0: watchdog@10050000 {
+ compatible = "samsung,exynos850-wdt";
+ reg = <0x10050000 0x100>;
+ interrupts = <GIC_SPI 228 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cmu_peri CLK_GOUT_WDT0_PCLK>, <&oscclk>;
+ clock-names = "watchdog", "watchdog_src";
+ samsung,syscon-phandle = <&pmu_system_controller>;
+ samsung,cluster-index = <0>;
+ status = "disabled";
+ };
+
+ watchdog_cl1: watchdog@10060000 {
+ compatible = "samsung,exynos850-wdt";
+ reg = <0x10060000 0x100>;
+ interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cmu_peri CLK_GOUT_WDT1_PCLK>, <&oscclk>;
+ clock-names = "watchdog", "watchdog_src";
+ samsung,syscon-phandle = <&pmu_system_controller>;
+ samsung,cluster-index = <1>;
+ status = "disabled";
+ };
+
+ cmu_peri: clock-controller@10030000 {
+ compatible = "samsung,exynos850-cmu-peri";
+ reg = <0x10030000 0x8000>;
+ #clock-cells = <1>;
+
+ clocks = <&oscclk>, <&cmu_top CLK_DOUT_PERI_BUS>,
+ <&cmu_top CLK_DOUT_PERI_UART>,
+ <&cmu_top CLK_DOUT_PERI_IP>;
+ clock-names = "oscclk", "dout_peri_bus",
+ "dout_peri_uart", "dout_peri_ip";
+ };
+
+ cmu_apm: clock-controller@11800000 {
+ compatible = "samsung,exynos850-cmu-apm";
+ reg = <0x11800000 0x8000>;
+ #clock-cells = <1>;
+
+ clocks = <&oscclk>, <&cmu_top CLK_DOUT_CLKCMU_APM_BUS>;
+ clock-names = "oscclk", "dout_clkcmu_apm_bus";
+ };
+
+ cmu_cmgp: clock-controller@11c00000 {
+ compatible = "samsung,exynos850-cmu-cmgp";
+ reg = <0x11c00000 0x8000>;
+ #clock-cells = <1>;
+
+ clocks = <&oscclk>, <&cmu_apm CLK_GOUT_CLKCMU_CMGP_BUS>;
+ clock-names = "oscclk", "gout_clkcmu_cmgp_bus";
+ };
+
+ cmu_core: clock-controller@12000000 {
+ compatible = "samsung,exynos850-cmu-core";
+ reg = <0x12000000 0x8000>;
+ #clock-cells = <1>;
+
+ clocks = <&oscclk>, <&cmu_top CLK_DOUT_CORE_BUS>,
+ <&cmu_top CLK_DOUT_CORE_CCI>,
+ <&cmu_top CLK_DOUT_CORE_MMC_EMBD>,
+ <&cmu_top CLK_DOUT_CORE_SSS>;
+ clock-names = "oscclk", "dout_core_bus",
+ "dout_core_cci", "dout_core_mmc_embd",
+ "dout_core_sss";
+ };
+
+ cmu_top: clock-controller@120e0000 {
+ compatible = "samsung,exynos850-cmu-top";
+ reg = <0x120e0000 0x8000>;
+ #clock-cells = <1>;
+
+ clocks = <&oscclk>;
+ clock-names = "oscclk";
+ };
+
+ cmu_dpu: clock-controller@13000000 {
+ compatible = "samsung,exynos850-cmu-dpu";
+ reg = <0x13000000 0x8000>;
+ #clock-cells = <1>;
+
+ clocks = <&oscclk>, <&cmu_top CLK_DOUT_DPU>;
+ clock-names = "oscclk", "dout_dpu";
+ };
+
+ cmu_hsi: clock-controller@13400000 {
+ compatible = "samsung,exynos850-cmu-hsi";
+ reg = <0x13400000 0x8000>;
+ #clock-cells = <1>;
+
+ clocks = <&oscclk>, <&rtcclk>,
+ <&cmu_top CLK_DOUT_HSI_BUS>,
+ <&cmu_top CLK_DOUT_HSI_MMC_CARD>,
+ <&cmu_top CLK_DOUT_HSI_USB20DRD>;
+ clock-names = "oscclk", "rtcclk", "dout_hsi_bus",
+ "dout_hsi_mmc_card", "dout_hsi_usb20drd";
+ };
+
+ pinctrl_alive: pinctrl@11850000 {
+ compatible = "samsung,exynos850-pinctrl";
+ reg = <0x11850000 0x1000>;
+ interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+
+ wakeup-interrupt-controller {
+ compatible = "samsung,exynos7-wakeup-eint";
+ };
+ };
+
+ pinctrl_cmgp: pinctrl@11c30000 {
+ compatible = "samsung,exynos850-pinctrl";
+ reg = <0x11c30000 0x1000>;
+ interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
+
+ wakeup-interrupt-controller {
+ compatible = "samsung,exynos7-wakeup-eint";
+ };
+ };
+
+ pinctrl_core: pinctrl@12070000 {
+ compatible = "samsung,exynos850-pinctrl";
+ reg = <0x12070000 0x1000>;
+ interrupts = <GIC_SPI 451 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ pinctrl_hsi: pinctrl@13430000 {
+ compatible = "samsung,exynos850-pinctrl";
+ reg = <0x13430000 0x1000>;
+ interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ pinctrl_peri: pinctrl@139b0000 {
+ compatible = "samsung,exynos850-pinctrl";
+ reg = <0x139b0000 0x1000>;
+ interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ pinctrl_aud: pinctrl@14a60000 {
+ compatible = "samsung,exynos850-pinctrl";
+ reg = <0x14a60000 0x1000>;
+ };
+
+ rtc: rtc@11a30000 {
+ compatible = "samsung,s3c6410-rtc";
+ reg = <0x11a30000 0x100>;
+ interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cmu_apm CLK_GOUT_RTC_PCLK>, <&rtcclk>;
+ clock-names = "rtc", "rtc_src";
+ status = "disabled";
+ };
+
+ mmc_0: mmc@12100000 {
+ compatible = "samsung,exynos7-dw-mshc-smu";
+ reg = <0x12100000 0x2000>;
+ interrupts = <GIC_SPI 452 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cmu_core CLK_GOUT_MMC_EMBD_ACLK>,
+ <&cmu_core CLK_GOUT_MMC_EMBD_SDCLKIN>;
+ clock-names = "biu", "ciu";
+ fifo-depth = <0x40>;
+ status = "disabled";
+ };
+
+ i2c_0: i2c@13830000 {
+ compatible = "samsung,s3c2440-i2c";
+ reg = <0x13830000 0x100>;
+ interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins>;
+ clocks = <&cmu_peri CLK_GOUT_I2C0_PCLK>;
+ clock-names = "i2c";
+ status = "disabled";
+ };
+
+ i2c_1: i2c@13840000 {
+ compatible = "samsung,s3c2440-i2c";
+ reg = <0x13840000 0x100>;
+ interrupts = <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins>;
+ clocks = <&cmu_peri CLK_GOUT_I2C1_PCLK>;
+ clock-names = "i2c";
+ status = "disabled";
+ };
+
+ i2c_2: i2c@13850000 {
+ compatible = "samsung,s3c2440-i2c";
+ reg = <0x13850000 0x100>;
+ interrupts = <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_pins>;
+ clocks = <&cmu_peri CLK_GOUT_I2C2_PCLK>;
+ clock-names = "i2c";
+ status = "disabled";
+ };
+
+ i2c_3: i2c@13860000 {
+ compatible = "samsung,s3c2440-i2c";
+ reg = <0x13860000 0x100>;
+ interrupts = <GIC_SPI 199 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c3_pins>;
+ clocks = <&cmu_peri CLK_GOUT_I2C3_PCLK>;
+ clock-names = "i2c";
+ status = "disabled";
+ };
+
+ i2c_4: i2c@13870000 {
+ compatible = "samsung,s3c2440-i2c";
+ reg = <0x13870000 0x100>;
+ interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c4_pins>;
+ clocks = <&cmu_peri CLK_GOUT_I2C4_PCLK>;
+ clock-names = "i2c";
+ status = "disabled";
+ };
+
+ /* I2C_5 (also called CAM_PMIC_I2C in TRM) */
+ i2c_5: i2c@13880000 {
+ compatible = "samsung,s3c2440-i2c";
+ reg = <0x13880000 0x100>;
+ interrupts = <GIC_SPI 201 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c5_pins>;
+ clocks = <&cmu_peri CLK_GOUT_I2C5_PCLK>;
+ clock-names = "i2c";
+ status = "disabled";
+ };
+
+ /* I2C_6 (also called MOTOR_I2C in TRM) */
+ i2c_6: i2c@13890000 {
+ compatible = "samsung,s3c2440-i2c";
+ reg = <0x13890000 0x100>;
+ interrupts = <GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c6_pins>;
+ clocks = <&cmu_peri CLK_GOUT_I2C6_PCLK>;
+ clock-names = "i2c";
+ status = "disabled";
+ };
+
+ sysreg_peri: syscon@10020000 {
+ compatible = "samsung,exynos850-sysreg", "syscon";
+ reg = <0x10020000 0x10000>;
+ clocks = <&cmu_peri CLK_GOUT_SYSREG_PERI_PCLK>;
+ };
+
+ sysreg_cmgp: syscon@11c20000 {
+ compatible = "samsung,exynos850-sysreg", "syscon";
+ reg = <0x11c20000 0x10000>;
+ clocks = <&cmu_cmgp CLK_GOUT_SYSREG_CMGP_PCLK>;
+ };
+
+ usi_uart: usi@138200c0 {
+ compatible = "samsung,exynos850-usi";
+ reg = <0x138200c0 0x20>;
+ samsung,sysreg = <&sysreg_peri 0x1010>;
+ samsung,mode = <USI_V2_UART>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ clocks = <&cmu_peri CLK_GOUT_UART_PCLK>,
+ <&cmu_peri CLK_GOUT_UART_IPCLK>;
+ clock-names = "pclk", "ipclk";
+ status = "disabled";
+
+ serial_0: serial@13820000 {
+ compatible = "samsung,exynos850-uart";
+ reg = <0x13820000 0xc0>;
+ interrupts = <GIC_SPI 227 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins>;
+ clocks = <&cmu_peri CLK_GOUT_UART_PCLK>,
+ <&cmu_peri CLK_GOUT_UART_IPCLK>;
+ clock-names = "uart", "clk_uart_baud0";
+ status = "disabled";
+ };
+ };
+
+ usi_hsi2c_0: usi@138a00c0 {
+ compatible = "samsung,exynos850-usi";
+ reg = <0x138a00c0 0x20>;
+ samsung,sysreg = <&sysreg_peri 0x1020>;
+ samsung,mode = <USI_V2_I2C>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ clocks = <&cmu_peri CLK_GOUT_HSI2C0_PCLK>,
+ <&cmu_peri CLK_GOUT_HSI2C0_IPCLK>;
+ clock-names = "pclk", "ipclk";
+ status = "disabled";
+
+ hsi2c_0: i2c@138a0000 {
+ compatible = "samsung,exynosautov9-hsi2c";
+ reg = <0x138a0000 0xc0>;
+ interrupts = <GIC_SPI 193 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&hsi2c0_pins>;
+ clocks = <&cmu_peri CLK_GOUT_HSI2C0_IPCLK>,
+ <&cmu_peri CLK_GOUT_HSI2C0_PCLK>;
+ clock-names = "hsi2c", "hsi2c_pclk";
+ status = "disabled";
+ };
+ };
+
+ usi_hsi2c_1: usi@138b00c0 {
+ compatible = "samsung,exynos850-usi";
+ reg = <0x138b00c0 0x20>;
+ samsung,sysreg = <&sysreg_peri 0x1030>;
+ samsung,mode = <USI_V2_I2C>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ clocks = <&cmu_peri CLK_GOUT_HSI2C1_PCLK>,
+ <&cmu_peri CLK_GOUT_HSI2C1_IPCLK>;
+ clock-names = "pclk", "ipclk";
+ status = "disabled";
+
+ hsi2c_1: i2c@138b0000 {
+ compatible = "samsung,exynosautov9-hsi2c";
+ reg = <0x138b0000 0xc0>;
+ interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&hsi2c1_pins>;
+ clocks = <&cmu_peri CLK_GOUT_HSI2C1_IPCLK>,
+ <&cmu_peri CLK_GOUT_HSI2C1_PCLK>;
+ clock-names = "hsi2c", "hsi2c_pclk";
+ status = "disabled";
+ };
+ };
+
+ usi_hsi2c_2: usi@138c00c0 {
+ compatible = "samsung,exynos850-usi";
+ reg = <0x138c00c0 0x20>;
+ samsung,sysreg = <&sysreg_peri 0x1040>;
+ samsung,mode = <USI_V2_I2C>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ clocks = <&cmu_peri CLK_GOUT_HSI2C2_PCLK>,
+ <&cmu_peri CLK_GOUT_HSI2C2_IPCLK>;
+ clock-names = "pclk", "ipclk";
+ status = "disabled";
+
+ hsi2c_2: i2c@138c0000 {
+ compatible = "samsung,exynosautov9-hsi2c";
+ reg = <0x138c0000 0xc0>;
+ interrupts = <GIC_SPI 195 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&hsi2c2_pins>;
+ clocks = <&cmu_peri CLK_GOUT_HSI2C2_IPCLK>,
+ <&cmu_peri CLK_GOUT_HSI2C2_PCLK>;
+ clock-names = "hsi2c", "hsi2c_pclk";
+ status = "disabled";
+ };
+ };
+
+ usi_spi_0: usi@139400c0 {
+ compatible = "samsung,exynos850-usi";
+ reg = <0x139400c0 0x20>;
+ samsung,sysreg = <&sysreg_peri 0x1050>;
+ samsung,mode = <USI_V2_SPI>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ clocks = <&cmu_peri CLK_GOUT_SPI0_PCLK>,
+ <&cmu_peri CLK_GOUT_SPI0_IPCLK>;
+ clock-names = "pclk", "ipclk";
+ status = "disabled";
+ };
+
+ usi_cmgp0: usi@11d000c0 {
+ compatible = "samsung,exynos850-usi";
+ reg = <0x11d000c0 0x20>;
+ samsung,sysreg = <&sysreg_cmgp 0x2000>;
+ samsung,mode = <USI_V2_I2C>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ clocks = <&cmu_cmgp CLK_GOUT_CMGP_USI0_PCLK>,
+ <&cmu_cmgp CLK_GOUT_CMGP_USI0_IPCLK>;
+ clock-names = "pclk", "ipclk";
+ status = "disabled";
+
+ hsi2c_3: i2c@11d00000 {
+ compatible = "samsung,exynosautov9-hsi2c";
+ reg = <0x11d00000 0xc0>;
+ interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&hsi2c3_pins>;
+ clocks = <&cmu_cmgp CLK_GOUT_CMGP_USI0_IPCLK>,
+ <&cmu_cmgp CLK_GOUT_CMGP_USI0_PCLK>;
+ clock-names = "hsi2c", "hsi2c_pclk";
+ status = "disabled";
+ };
+
+ serial_1: serial@11d00000 {
+ compatible = "samsung,exynos850-uart";
+ reg = <0x11d00000 0xc0>;
+ interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_single_pins>;
+ clocks = <&cmu_cmgp CLK_GOUT_CMGP_USI0_PCLK>,
+ <&cmu_cmgp CLK_GOUT_CMGP_USI0_IPCLK>;
+ clock-names = "uart", "clk_uart_baud0";
+ status = "disabled";
+ };
+ };
+
+ usi_cmgp1: usi@11d200c0 {
+ compatible = "samsung,exynos850-usi";
+ reg = <0x11d200c0 0x20>;
+ samsung,sysreg = <&sysreg_cmgp 0x2010>;
+ samsung,mode = <USI_V2_I2C>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ clocks = <&cmu_cmgp CLK_GOUT_CMGP_USI1_PCLK>,
+ <&cmu_cmgp CLK_GOUT_CMGP_USI1_IPCLK>;
+ clock-names = "pclk", "ipclk";
+ status = "disabled";
+
+ hsi2c_4: i2c@11d20000 {
+ compatible = "samsung,exynosautov9-hsi2c";
+ reg = <0x11d20000 0xc0>;
+ interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&hsi2c4_pins>;
+ clocks = <&cmu_cmgp CLK_GOUT_CMGP_USI1_IPCLK>,
+ <&cmu_cmgp CLK_GOUT_CMGP_USI1_PCLK>;
+ clock-names = "hsi2c", "hsi2c_pclk";
+ status = "disabled";
+ };
+
+ serial_2: serial@11d20000 {
+ compatible = "samsung,exynos850-uart";
+ reg = <0x11d20000 0xc0>;
+ interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart2_single_pins>;
+ clocks = <&cmu_cmgp CLK_GOUT_CMGP_USI1_PCLK>,
+ <&cmu_cmgp CLK_GOUT_CMGP_USI1_IPCLK>;
+ clock-names = "uart", "clk_uart_baud0";
+ status = "disabled";
+ };
+ };
+ };
+};
+
+#include "exynos850-pinctrl.dtsi"
--
2.30.2


2021-12-17 01:46:36

by Sam Protsenko

[permalink] [raw]
Subject: [PATCH v3 7/7] arm64: dts: exynos: Add initial E850-96 board support

E850-96 is a 96boards development board manufactured by WinLink. It
incorporates Samsung Exynos850 SoC, and is compatible with 96boards
mezzanine boards [1], as it follows 96boards standards.

This patch adds minimal support for E850-96 board. Next features are
enabled in board dts file and verified with minimal BusyBox rootfs:

* User buttons
* LEDs
* Serial console
* Watchdog timers
* RTC
* eMMC

[1] https://www.96boards.org/products/mezzanine/

Signed-off-by: Sam Protsenko <[email protected]>
---
Changes in v3:
- Ordered the pinctrl_alive phandle alphabetically (forgot to do so in
v2)

Changes in v2:
- Removed board_id and board_rev properties
- Removed BOARD_ID and BOARD_REV constants
- Put dtb in alphabetical order in Makefile
- Added "color" and "function" properties to LED nodes
- Sorted all phandle overrides by phandle name
- Removed 'broken-cd' property in eMMC node
- Added memory node

arch/arm64/boot/dts/exynos/Makefile | 1 +
.../boot/dts/exynos/exynos850-e850-96.dts | 175 ++++++++++++++++++
2 files changed, 176 insertions(+)
create mode 100644 arch/arm64/boot/dts/exynos/exynos850-e850-96.dts

diff --git a/arch/arm64/boot/dts/exynos/Makefile b/arch/arm64/boot/dts/exynos/Makefile
index b41e86df0a84..be9df8e85c59 100644
--- a/arch/arm64/boot/dts/exynos/Makefile
+++ b/arch/arm64/boot/dts/exynos/Makefile
@@ -3,4 +3,5 @@ dtb-$(CONFIG_ARCH_EXYNOS) += \
exynos5433-tm2.dtb \
exynos5433-tm2e.dtb \
exynos7-espresso.dtb \
+ exynos850-e850-96.dtb \
exynosautov9-sadk.dtb
diff --git a/arch/arm64/boot/dts/exynos/exynos850-e850-96.dts b/arch/arm64/boot/dts/exynos/exynos850-e850-96.dts
new file mode 100644
index 000000000000..0cdff97bb1a1
--- /dev/null
+++ b/arch/arm64/boot/dts/exynos/exynos850-e850-96.dts
@@ -0,0 +1,175 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * WinLink E850-96 board device tree source
+ *
+ * Copyright (C) 2018 Samsung Electronics Co., Ltd.
+ * Copyright (C) 2021 Linaro Ltd.
+ *
+ * Device tree source file for WinLink's E850-96 board which is based on
+ * Samsung Exynos850 SoC.
+ */
+
+/dts-v1/;
+
+#include "exynos850.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+ model = "WinLink E850-96 board";
+ compatible = "winlink,e850-96", "samsung,exynos850";
+
+ chosen {
+ stdout-path = &serial_0;
+ };
+
+ /*
+ * 4 GiB eMCP:
+ * - 2 GiB at 0x80000000
+ * - 2 GiB at 0x880000000
+ *
+ * 0xbab00000..0xbfffffff: secure memory (85 MiB).
+ */
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x3ab00000>,
+ <0x0 0xc0000000 0x40000000>,
+ <0x8 0x80000000 0x80000000>;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+ pinctrl-0 = <&key_voldown_pins &key_volup_pins>;
+
+ volume-down-key {
+ label = "Volume Down";
+ linux,code = <KEY_VOLUMEDOWN>;
+ gpios = <&gpa1 0 GPIO_ACTIVE_LOW>;
+ };
+
+ volume-up-key {
+ label = "Volume Up";
+ linux,code = <KEY_VOLUMEUP>;
+ gpios = <&gpa0 7 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ /* HEART_BEAT_LED */
+ user_led1: led-1 {
+ label = "yellow:user1";
+ gpios = <&gpg2 2 GPIO_ACTIVE_HIGH>;
+ color = <LED_COLOR_ID_YELLOW>;
+ function = LED_FUNCTION_HEARTBEAT;
+ linux,default-trigger = "heartbeat";
+ };
+
+ /* eMMC_LED */
+ user_led2: led-2 {
+ label = "yellow:user2";
+ gpios = <&gpg2 3 GPIO_ACTIVE_HIGH>;
+ color = <LED_COLOR_ID_YELLOW>;
+ linux,default-trigger = "mmc0";
+ };
+
+ /* SD_LED */
+ user_led3: led-3 {
+ label = "white:user3";
+ gpios = <&gpg2 4 GPIO_ACTIVE_HIGH>;
+ color = <LED_COLOR_ID_WHITE>;
+ function = LED_FUNCTION_SD;
+ linux,default-trigger = "mmc2";
+ };
+
+ /* WIFI_LED */
+ wlan_active_led: led-4 {
+ label = "yellow:wlan";
+ gpios = <&gpg2 6 GPIO_ACTIVE_HIGH>;
+ color = <LED_COLOR_ID_YELLOW>;
+ function = LED_FUNCTION_WLAN;
+ linux,default-trigger = "phy0tx";
+ default-state = "off";
+ };
+
+ /* BLUETOOTH_LED */
+ bt_active_led: led-5 {
+ label = "blue:bt";
+ gpios = <&gpg2 7 GPIO_ACTIVE_HIGH>;
+ color = <LED_COLOR_ID_BLUE>;
+ function = LED_FUNCTION_BLUETOOTH;
+ linux,default-trigger = "hci0rx";
+ default-state = "off";
+ };
+ };
+};
+
+&mmc_0 {
+ status = "okay";
+ mmc-hs200-1_8v;
+ mmc-hs400-1_8v;
+ cap-mmc-highspeed;
+ non-removable;
+ mmc-hs400-enhanced-strobe;
+ card-detect-delay = <200>;
+ clock-frequency = <800000000>;
+ bus-width = <8>;
+ samsung,dw-mshc-ciu-div = <3>;
+ samsung,dw-mshc-sdr-timing = <0 4>;
+ samsung,dw-mshc-ddr-timing = <2 4>;
+ samsung,dw-mshc-hs400-timing = <0 2>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&sd0_clk_pins &sd0_cmd_pins &sd0_rdqs_pins &sd0_nreset_pins
+ &sd0_bus1_pins &sd0_bus4_pins &sd0_bus8_pins>;
+};
+
+&oscclk {
+ clock-frequency = <26000000>;
+};
+
+&pinctrl_alive {
+ key_voldown_pins: key-voldown-pins {
+ samsung,pins = "gpa1-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+
+ key_volup_pins: key-volup-pins {
+ samsung,pins = "gpa0-7";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+ };
+};
+
+&rtc {
+ status = "okay";
+};
+
+&rtcclk {
+ clock-frequency = <32768>;
+};
+
+&serial_0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>;
+};
+
+&usi_uart {
+ samsung,clkreq-on; /* needed for UART mode */
+ status = "okay";
+};
+
+&watchdog_cl0 {
+ status = "okay";
+};
+
+&watchdog_cl1 {
+ status = "okay";
+};
--
2.30.2