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";
+};
+
 &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";
+		};
 	};
 };
 
-- 
2.17.1

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

On 23. 7. 18. 15:06, Krzysztof Kozlowski wrote:
> 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.

Okay, I will add disable status to soc dtsi.


>
>> +};
> Best regards,
> Krzysztof
>
>

Thanks

Jaewon Kim