diff mbox series

[2/2] arm64: dts: mediatek: mt8195: add pwm node

Message ID 20220531114544.144785-2-fparent@baylibre.com (mailing list archive)
State New, archived
Headers show
Series [1/2] dt-bindings: pwm: mediatek: add pwm binding for MT8195 | expand

Commit Message

Fabien Parent May 31, 2022, 11:45 a.m. UTC
MT8195's PWM IP has 4 PWM blocks.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
---
 arch/arm64/boot/dts/mediatek/mt8195.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

Comments

AngeloGioacchino Del Regno June 6, 2022, 2:32 p.m. UTC | #1
Il 31/05/22 13:45, Fabien Parent ha scritto:
> MT8195's PWM IP has 4 PWM blocks.
> 
> Signed-off-by: Fabien Parent <fparent@baylibre.com>

I've verified that the binding is actually right - and it is, the MT8183
data is a perfect match with MT8195.

In any case, there are at least a few MT8195 boards on which the PWM controller
is not used (only the disp-pwm one is used), so please set this node as disabled
by default, after which, you get my:

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

> ---
>   arch/arm64/boot/dts/mediatek/mt8195.dtsi | 15 +++++++++++++++
>   1 file changed, 15 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> index d076a376bdcc..366543f27a99 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> @@ -367,6 +367,21 @@ pwrap: pwrap@10024000 {
>   			assigned-clock-parents = <&topckgen CLK_TOP_ULPOSC1_D10>;
>   		};
>   
> +		pwm0: pwm@10048000 {
> +			compatible = "mediatek,mt8195-pwm",
> +				     "mediatek,mt8183-pwm";
> +			reg = <0 0x10048000 0 0x1000>;
> +			#pwm-cells = <2>;
> +			clocks = <&infracfg_ao CLK_INFRA_AO_PWM_H>,
> +				 <&infracfg_ao CLK_INFRA_AO_PWM>,
> +				 <&infracfg_ao CLK_INFRA_AO_PWM1>,
> +				 <&infracfg_ao CLK_INFRA_AO_PWM2>,
> +				 <&infracfg_ao CLK_INFRA_AO_PWM3>,
> +				 <&infracfg_ao CLK_INFRA_AO_PWM4>;
> +			clock-names = "top", "main", "pwm1", "pwm2", "pwm3",
> +				      "pwm4";
> +		};
> +
>   		scp_adsp: clock-controller@10720000 {
>   			compatible = "mediatek,mt8195-scp_adsp";
>   			reg = <0 0x10720000 0 0x1000>;
>
Uwe Kleine-König July 1, 2022, 7:25 a.m. UTC | #2
Hello,

On Tue, May 31, 2022 at 01:45:44PM +0200, Fabien Parent wrote:
> MT8195's PWM IP has 4 PWM blocks.
> 
> Signed-off-by: Fabien Parent <fparent@baylibre.com>
> ---
>  arch/arm64/boot/dts/mediatek/mt8195.dtsi | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> index d076a376bdcc..366543f27a99 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> @@ -367,6 +367,21 @@ pwrap: pwrap@10024000 {
>  			assigned-clock-parents = <&topckgen CLK_TOP_ULPOSC1_D10>;
>  		};
>  
> +		pwm0: pwm@10048000 {
> +			compatible = "mediatek,mt8195-pwm",
> +				     "mediatek,mt8183-pwm";
> +			reg = <0 0x10048000 0 0x1000>;
> +			#pwm-cells = <2>;
> +			clocks = <&infracfg_ao CLK_INFRA_AO_PWM_H>,
> +				 <&infracfg_ao CLK_INFRA_AO_PWM>,
> +				 <&infracfg_ao CLK_INFRA_AO_PWM1>,
> +				 <&infracfg_ao CLK_INFRA_AO_PWM2>,
> +				 <&infracfg_ao CLK_INFRA_AO_PWM3>,
> +				 <&infracfg_ao CLK_INFRA_AO_PWM4>;
> +			clock-names = "top", "main", "pwm1", "pwm2", "pwm3",
> +				      "pwm4";
> +		};
> +

I wonder why will pick up this patch? Will patch 1 then go the same
path, or is that one supposed to go via the pwm tree?

Best regards
Uwe
Uwe Kleine-König July 1, 2022, 1:23 p.m. UTC | #3
Hello,

On Fri, Jul 01, 2022 at 09:25:00AM +0200, Uwe Kleine-König wrote:
> I wonder why will pick up this patch? Will patch 1 then go the same

I think my question is clear, but in case it's not: s/why/who/

> path, or is that one supposed to go via the pwm tree?

Best regards
Uwe
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
index d076a376bdcc..366543f27a99 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
@@ -367,6 +367,21 @@  pwrap: pwrap@10024000 {
 			assigned-clock-parents = <&topckgen CLK_TOP_ULPOSC1_D10>;
 		};
 
+		pwm0: pwm@10048000 {
+			compatible = "mediatek,mt8195-pwm",
+				     "mediatek,mt8183-pwm";
+			reg = <0 0x10048000 0 0x1000>;
+			#pwm-cells = <2>;
+			clocks = <&infracfg_ao CLK_INFRA_AO_PWM_H>,
+				 <&infracfg_ao CLK_INFRA_AO_PWM>,
+				 <&infracfg_ao CLK_INFRA_AO_PWM1>,
+				 <&infracfg_ao CLK_INFRA_AO_PWM2>,
+				 <&infracfg_ao CLK_INFRA_AO_PWM3>,
+				 <&infracfg_ao CLK_INFRA_AO_PWM4>;
+			clock-names = "top", "main", "pwm1", "pwm2", "pwm3",
+				      "pwm4";
+		};
+
 		scp_adsp: clock-controller@10720000 {
 			compatible = "mediatek,mt8195-scp_adsp";
 			reg = <0 0x10720000 0 0x1000>;