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Message-ID: <CAPLW+4=FGEuaMYWXewkhzsPz1GgCsPJQAg5WKm_OOSxNmP-Uxg@mail.gmail.com>
Date: Fri, 14 Jan 2022 21:44:00 +0200
From: Sam Protsenko <semen.protsenko@...aro.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Cc: Tomasz Figa <tomasz.figa@...il.com>,
Sylwester Nawrocki <s.nawrocki@...sung.com>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Marek Szyprowski <m.szyprowski@...sung.com>,
Chanho Park <chanho61.park@...sung.com>,
Alim Akhtar <alim.akhtar@...il.com>
Subject: Re: [PATCH v2 25/28] dt-bindings: pinctrl: samsung: describe
Exynos850 and ExynosAutov9 wake-ups
On Tue, 11 Jan 2022 at 22:18, Krzysztof Kozlowski
<krzysztof.kozlowski@...onical.com> wrote:
>
> Older Samsung Exynos SoC pin controller nodes (Exynos3250, Exynos4,
> Exynos5, Exynos5433) with external wake-up interrupts, expected to have
> one interrupt for multiplexing these wake-up interrupts. Also they
> expected to have exactly one pin controller capable of external wake-up
> interrupts.
>
> It seems however that newer ARMv8 Exynos SoC like Exynos850 and
> ExynosAutov9 have differences of their pin controller node capable of
> external wake-up interrupts:
> 1. No multiplexed external wake-up interrupt, only direct,
> 2. More than one pin controller capable of external wake-up interrupts.
>
> Add dedicated Exynos850 and ExynosAutov9 compatibles.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
> ---
Reviewed-by: Sam Protsenko <semen.protsenko@...aro.org>
> .../samsung,pinctrl-wakeup-interrupt.yaml | 27 ++++++++++++++++---
> 1 file changed, 24 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl-wakeup-interrupt.yaml b/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl-wakeup-interrupt.yaml
> index 6b684a53119b..a822f70f5702 100644
> --- a/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl-wakeup-interrupt.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl-wakeup-interrupt.yaml
> @@ -16,9 +16,12 @@ description: |
> controller.
>
> External wake-up interrupts for Samsung S3C/S5P/Exynos SoC pin controller.
> - Only one pin-controller device node can include external wake-up interrupts
> - child node (in other words, only one External wake-up interrupts
> + For S3C24xx, S3C64xx, S5PV210 and Exynos4210 compatible wake-up interrupt
> + controllers, only one pin-controller device node can include external wake-up
> + interrupts child node (in other words, only one External wake-up interrupts
> pin-controller is supported).
> + For newer controllers, multiple pin-controller device node can include
> + external wake-up interrupts child node.
>
> See also Documentation/devicetree/bindings/pinctrl/samsung,pinctrl.yaml for
> additional information and example.
> @@ -32,6 +35,8 @@ properties:
> - samsung,s5pv210-wakeup-eint
> - samsung,exynos4210-wakeup-eint
> - samsung,exynos7-wakeup-eint
> + - samsung,exynos850-wakeup-eint
> + - samsung,exynosautov9-wakeup-eint
>
> interrupts:
> description:
> @@ -41,7 +46,6 @@ properties:
>
> required:
> - compatible
> - - interrupts
>
> allOf:
> - if:
> @@ -56,6 +60,8 @@ allOf:
> interrupts:
> minItems: 6
> maxItems: 6
> + required:
> + - interrupts
>
> - if:
> properties:
> @@ -67,6 +73,8 @@ allOf:
> interrupts:
> minItems: 4
> maxItems: 4
> + required:
> + - interrupts
>
> - if:
> properties:
> @@ -81,5 +89,18 @@ allOf:
> interrupts:
> minItems: 1
> maxItems: 1
> + required:
> + - interrupts
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - samsung,exynos850-wakeup-eint
> + - samsung,exynosautov9-wakeup-eint
> + then:
> + properties:
> + interrupts: false
>
> additionalProperties: false
> --
> 2.32.0
>
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