[11/18] dt-bindings: pwm: add power-domains property

Message ID 20231023-display-support-v1-11-5c860ed5c33b@baylibre.com
State New
Headers
Series Add display support for the MT8365-EVK board |

Commit Message

Alexandre Mergnat Oct. 23, 2023, 2:40 p.m. UTC
  According to the Mediatek datasheet, the display PWM block has a power
domain.

Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
---
 Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)
  

Comments

Conor Dooley Oct. 23, 2023, 5:38 p.m. UTC | #1
Yo,

On Mon, Oct 23, 2023 at 04:40:11PM +0200, Alexandre Mergnat wrote:
> According to the Mediatek datasheet, the display PWM block has a power
> domain.

Datasheet for which soc? The mt8173? Is it valid for all devices in this
binding?

Cheers,
Conor.

> 
> Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
> ---
>  Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> index 153e146df7d4..efe0cacf55b7 100644
> --- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> +++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> @@ -53,6 +53,12 @@ properties:
>        - const: main
>        - const: mm
>  
> +  power-domains:
> +    maxItems: 1
> +    description: A phandle and PM domain specifier as defined by bindings of
> +      the power controller specified by phandle. See
> +      Documentation/devicetree/bindings/power/power-domain.yaml for details.
> +
>  required:
>    - compatible
>    - reg
> @@ -67,6 +73,7 @@ examples:
>      #include <dt-bindings/interrupt-controller/arm-gic.h>
>      #include <dt-bindings/clock/mt8173-clk.h>
>      #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/power/mt8173-power.h>
>  
>      pwm0: pwm@1401e000 {
>          compatible = "mediatek,mt8173-disp-pwm";
> @@ -75,4 +82,5 @@ examples:
>          clocks = <&mmsys CLK_MM_DISP_PWM026M>,
>                   <&mmsys CLK_MM_DISP_PWM0MM>;
>          clock-names = "main", "mm";
> +        power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
>      };
> 
> -- 
> 2.25.1
>
  
Alexandre Mergnat Oct. 24, 2023, 9:21 a.m. UTC | #2
Hello Conor

On 23/10/2023 19:38, Conor Dooley wrote:
> Yo,
> 
> On Mon, Oct 23, 2023 at 04:40:11PM +0200, Alexandre Mergnat wrote:
>> According to the Mediatek datasheet, the display PWM block has a power
>> domain.
> 
> Datasheet for which soc? The mt8173? Is it valid for all devices in this
> binding?

I can't verify for other SoC. Then, I fix the commit message
and remove the example changes.

> 
> Cheers,
> Conor.
> 
>>

..snip..

>> -- 
>> 2.25.1
>>
  

Patch

diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
index 153e146df7d4..efe0cacf55b7 100644
--- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
+++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
@@ -53,6 +53,12 @@  properties:
       - const: main
       - const: mm
 
+  power-domains:
+    maxItems: 1
+    description: A phandle and PM domain specifier as defined by bindings of
+      the power controller specified by phandle. See
+      Documentation/devicetree/bindings/power/power-domain.yaml for details.
+
 required:
   - compatible
   - reg
@@ -67,6 +73,7 @@  examples:
     #include <dt-bindings/interrupt-controller/arm-gic.h>
     #include <dt-bindings/clock/mt8173-clk.h>
     #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/power/mt8173-power.h>
 
     pwm0: pwm@1401e000 {
         compatible = "mediatek,mt8173-disp-pwm";
@@ -75,4 +82,5 @@  examples:
         clocks = <&mmsys CLK_MM_DISP_PWM026M>,
                  <&mmsys CLK_MM_DISP_PWM0MM>;
         clock-names = "main", "mm";
+        power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
     };