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Message-ID: <000301d80775$4b8f7310$e2ae5930$@samsung.com>
Date: Wed, 12 Jan 2022 14:28:56 +0900
From: "Chanho Park" <chanho61.park@...sung.com>
To: "'Krzysztof Kozlowski'" <krzysztof.kozlowski@...onical.com>,
"'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>
Cc: "'Marek Szyprowski'" <m.szyprowski@...sung.com>,
"'Sam Protsenko'" <semen.protsenko@...aro.org>,
"'Alim Akhtar'" <alim.akhtar@...il.com>
Subject: RE: [PATCH v2 28/28] arm64: dts: exynos: use dedicated wake-up
pinctrl compatible in ExynosAutov9
> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
> Sent: Wednesday, January 12, 2022 5:17 AM
> To: Tomasz Figa <tomasz.figa@...il.com>; Krzysztof Kozlowski
> <krzysztof.kozlowski@...onical.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
> Cc: Marek Szyprowski <m.szyprowski@...sung.com>; Sam Protsenko
> <semen.protsenko@...aro.org>; Chanho Park <chanho61.park@...sung.com>;
> Alim Akhtar <alim.akhtar@...il.com>
> Subject: [PATCH v2 28/28] arm64: dts: exynos: use dedicated wake-up
> pinctrl compatible in ExynosAutov9
>
> 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:
> 1. No multiplexed external wake-up interrupt, only direct, 2. More than
> one pin controller capable of external wake-up interrupts.
>
> Use dedicated ExynosAutov9 compatible for its external wake-up interrupts
> controller to indicate the differences.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Reviewed-by: Chanho Park <chanho61.park@...sung.com>
And you can also put
Tested-by: Chanho Park <chanho61.park@...sung.com>
Best Regards,
Chanho Park
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