diff mbox series

[v5,2/2] arm64: dts: exynos: add pwm node for exynosautov9-sadk

Message ID 20230718034201.136800-3-jaewon02.kim@samsung.com
State Superseded
Headers show
Series support PWM for exynosautov9 | expand

Commit Message

Jaewon Kim July 18, 2023, 3:42 a.m. UTC
Add pwm node to support fan on exynosautov9-sadk board.
PWM channel 3 of ExynosAutov9 is connected to fan for SoC cooling
in SADK board.

Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
---
 arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts |  6 ++++++
 arch/arm64/boot/dts/exynos/exynosautov9.dtsi     | 10 ++++++++++
 2 files changed, 16 insertions(+)

Comments

Krzysztof Kozlowski July 18, 2023, 6:06 a.m. UTC | #1
On 18/07/2023 05:42, Jaewon Kim wrote:
> Add pwm node to support fan on exynosautov9-sadk board.
> PWM channel 3 of ExynosAutov9 is connected to fan for SoC cooling
> in SADK board.
> 
> Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
> ---
>  arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts |  6 ++++++
>  arch/arm64/boot/dts/exynos/exynosautov9.dtsi     | 10 ++++++++++
>  2 files changed, 16 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> index 101f51bf565a..bc1815f6ada2 100644
> --- a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> +++ b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> @@ -49,6 +49,12 @@
>  	};
>  };
>  
> +&pwm {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pwm_tout3>;
> +	status = "okay";

I think you miss disabling it.

> +};

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
index 101f51bf565a..bc1815f6ada2 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
+++ b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
@@ -49,6 +49,12 @@ 
 	};
 };
 
+&pwm {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm_tout3>;
+	status = "okay";
+};
+
 &serial_0 {
 	pinctrl-0 = <&uart0_bus_dual>;
 	status = "okay";
diff --git a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
index d3c5cdeff47f..3b906f4db907 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
@@ -1560,6 +1560,16 @@ 
 			samsung,syscon-phandle = <&pmu_system_controller>;
 			samsung,cluster-index = <1>;
 		};
+
+		pwm: pwm@103f0000 {
+			compatible = "samsung,exynosautov9-pwm",
+				     "samsung,exynos4210-pwm";
+			reg = <0x103f0000 0x100>;
+			samsung,pwm-outputs = <0>, <1>, <2>, <3>;
+			#pwm-cells = <3>;
+			clocks = <&xtcxo>;
+			clock-names = "timers";
+		};
 	};
 };