linux-kernel - Re: [PATCH v2 RESEND 3/8] dt-bindings: i2c: exynos5: Add bus clock

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Message-ID: <YbHIN4DubgcWT83F@ninjato>
Date:   Thu, 9 Dec 2021 10:11:19 +0100
From:   Wolfram Sang <wsa@...nel.org>
To:     Sam Protsenko <semen.protsenko@...aro.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Rob Herring <robh+dt@...nel.org>,
        Jaewon Kim <jaewon02.kim@...sung.com>,
        Chanho Park <chanho61.park@...sung.com>,
        David Virag <virag.david003@...il.com>,
        Youngmin Nam <youngmin.nam@...sung.com>,
        Arnd Bergmann <arnd@...db.de>, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v2 RESEND 3/8] dt-bindings: i2c: exynos5: Add bus clock

On Sat, Dec 04, 2021 at 11:58:15PM +0200, Sam Protsenko wrote:
> In new Exynos SoCs (like Exynos850) where HSI2C is implemented as a
> part of USIv2 block, there are two clocks provided to HSI2C controller:
>   - PCLK: bus clock (APB), provides access to register interface
>   - IPCLK: operating IP-core clock; SCL is derived from this one
> 
> Both clocks have to be asserted for HSI2C to be functional in that case.
> 
> Modify bindings doc to allow specifying bus clock in addition to
> already described operating clock.
> 
> Signed-off-by: Sam Protsenko <semen.protsenko@...aro.org>

Applied to for-next, thanks!


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