Re: [PATCH 1/3] dt-bindings: pinctrl: samsung: use Exynos7 fallbacks for newer wake-up controllers

From: Jaewon Kim
Date: Thu Nov 23 2023 - 02:08:58 EST



On 23. 11. 23. 05:04, Krzysztof Kozlowski wrote:
> Older ARM8 SoCs like Exynos5433, Exynos7 and Exynos7885 have the pin
> controller with wake-up interrupts muxed, thus the wake-up interrupt
> controller device node has interrupts property, while its pin banks
> might not (because they are muxed by the wake-up controller).
>
> Newer SoCs like Exynos850 and ExynosAutov9 do not used muxed wake-up
> interrupts:
> 1. Wake-up interrupt controller device node has no interrupts,
> 2. Its pin banks have interrupts (since there is no muxing).
>
> Their programming interface is however still compatible with Exynos7,
> thus change the bindings to express this: retain compatibility with
> Exynos7 and add new compatibility fallback of Exynos850 in newer
> designs.
>
> No driver changes are needed. This is necessary only to properly
> describe DTS.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Acked-by: Jaewon Kim <jaewon02.kim@xxxxxxxxxxx>


I will also apply it to ExynosAutov920 DT patch.


Thanks

Jaewon Kim


>
> ---
>
> Cc: Peter Griffin <peter.griffin@xxxxxxxxxx>
> Cc: semen.protsenko@xxxxxxxxxx
> Cc: Jaewon Kim <jaewon02.kim@xxxxxxxxxxx>
> ---
> .../samsung,pinctrl-wakeup-interrupt.yaml | 25 +++++++++++--------
> 1 file changed, 15 insertions(+), 10 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl-wakeup-interrupt.yaml b/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl-wakeup-interrupt.yaml
> index 1b75abebb953..2bafa867aea2 100644
> --- a/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl-wakeup-interrupt.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl-wakeup-interrupt.yaml
> @@ -36,13 +36,17 @@ properties:
> - samsung,s5pv210-wakeup-eint
> - samsung,exynos4210-wakeup-eint
> - samsung,exynos7-wakeup-eint
> - - samsung,exynos850-wakeup-eint
> - - samsung,exynosautov9-wakeup-eint
> - - samsung,exynosautov920-wakeup-eint
> - items:
> - enum:
> - samsung,exynos5433-wakeup-eint
> - samsung,exynos7885-wakeup-eint
> + - samsung,exynos850-wakeup-eint
> + - const: samsung,exynos7-wakeup-eint
> + - items:
> + - enum:
> + - samsung,exynosautov9-wakeup-eint
> + - samsung,exynosautov920-wakeup-eint
> + - const: samsung,exynos850-wakeup-eint
> - const: samsung,exynos7-wakeup-eint
>
> interrupts:
> @@ -86,11 +90,14 @@ allOf:
> - if:
> properties:
> compatible:
> - contains:
> - enum:
> - - samsung,s5pv210-wakeup-eint
> - - samsung,exynos4210-wakeup-eint
> - - samsung,exynos7-wakeup-eint
> + # Match without "contains", to skip newer variants which are still
> + # compatible with samsung,exynos7-wakeup-eint
> + enum:
> + - samsung,s5pv210-wakeup-eint
> + - samsung,exynos4210-wakeup-eint
> + - samsung,exynos5433-wakeup-eint
> + - samsung,exynos7-wakeup-eint
> + - samsung,exynos7885-wakeup-eint
> then:
> properties:
> interrupts:
> @@ -105,8 +112,6 @@ allOf:
> contains:
> enum:
> - samsung,exynos850-wakeup-eint
> - - samsung,exynosautov9-wakeup-eint
> - - samsung,exynosautov920-wakeup-eint
> then:
> properties:
> interrupts: false