Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) client-ip=23.128.96.33;
Date:   Wed, 6 Dec 2023 16:02:58 -0600
From:   Rob Herring <robh@kernel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Jiri Slaby <jirislaby@kernel.org>, linux-fsd@tesla.com,
        Rob Herring <robh+dt@kernel.org>, linux-kernel@vger.kernel.org,
        linux-watchdog@vger.kernel.org, Conor Dooley <conor+dt@kernel.org>,
        Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= 
        <u.kleine-koenig@pengutronix.de>, linux-i2c@vger.kernel.org,
        devicetree@vger.kernel.org, linux-serial@vger.kernel.org,
        Wim Van Sebroeck <wim@linux-watchdog.org>,
        Guenter Roeck <linux@roeck-us.net>,
        Alim Akhtar <alim.akhtar@samsung.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        linux-arm-kernel@lists.infradead.org,
        linux-samsung-soc@vger.kernel.org, linux-pwm@vger.kernel.org,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Andi Shyti <andi.shyti@kernel.org>
Subject: Re: [PATCH 2/6] dt-bindings: pwm: samsung: add specific compatible
 for Tesla FSD
Message-ID: <170190017774.3416623.1160750978805123790.robh@kernel.org>
References: <20231205092229.19135-1-krzysztof.kozlowski@linaro.org>
 <20231205092229.19135-3-krzysztof.kozlowski@linaro.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20231205092229.19135-3-krzysztof.kozlowski@linaro.org>
Precedence: bulk


On Tue, 05 Dec 2023 10:22:25 +0100, Krzysztof Kozlowski wrote:
> Tesla FSD is a derivative of Samsung Exynos SoC, thus just like the
> others it reuses several devices from older designs.  Historically we
> kept the old (block's) compatible only.  This works fine and there is no
> bug here, however guidelines expressed in
> Documentation/devicetree/bindings/writing-bindings.rst state that:
> 1. Compatibles should be specific.
> 2. We should add new compatibles in case of bugs or features.
> 
> Add Tesla FSD compatible specific to be used with an existing fallback.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> 
> ---
> 
> I propose to take the patch through Samsung SoC (me). See cover letter
> for explanation.
> ---
>  Documentation/devicetree/bindings/pwm/pwm-samsung.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 

Acked-by: Rob Herring <robh@kernel.org>