linux-kernel - Re: [PATCH v2 25/28] dt-bindings: pinctrl: samsung: describe Exynos850 and ExynosAutov9 wake-ups

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Message-ID: <Yd48YtTFYez0yx9N@robh.at.kernel.org>
Date:   Tue, 11 Jan 2022 20:26:42 -0600
From:   Rob Herring <robh@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Cc:     Chanho Park <chanho61.park@...sung.com>,
        linux-arm-kernel@...ts.infradead.org,
        Tomasz Figa <tomasz.figa@...il.com>,
        Rob Herring <robh+dt@...nel.org>, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org,
        Sam Protsenko <semen.protsenko@...aro.org>,
        linux-samsung-soc@...r.kernel.org,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Alim Akhtar <alim.akhtar@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 25/28] dt-bindings: pinctrl: samsung: describe
 Exynos850 and ExynosAutov9 wake-ups

On Tue, 11 Jan 2022 21:17:19 +0100, Krzysztof Kozlowski 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>
> ---
>  .../samsung,pinctrl-wakeup-interrupt.yaml     | 27 ++++++++++++++++---
>  1 file changed, 24 insertions(+), 3 deletions(-)
> 

Reviewed-by: Rob Herring <robh@...nel.org>