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Fri, 16 Feb 2024 02:01:54 -0800 (PST) Received: from [192.168.0.22] ([78.10.207.130]) by smtp.gmail.com with ESMTPSA id ty8-20020a170907c70800b00a3d1b3c5f1esm1400467ejc.77.2024.02.16.02.01.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 16 Feb 2024 02:01:54 -0800 (PST) Message-ID: Date: Fri, 16 Feb 2024 11:01:52 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/4] dt-bindings: media: Document bindings for HDMI RX Controller Content-Language: en-US To: Shreeya Patel , heiko@sntech.de, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, p.zabel@pengutronix.de, jose.abreu@synopsys.com, nelson.costa@synopsys.com, dmitry.osipenko@collabora.com, sebastian.reichel@collabora.com, shawn.wen@rock-chips.com Cc: kernel@collabora.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-clk@vger.kernel.org, linux-dt@vger.kernel.org, linux-arm@lists.infradead.org References: <20240216094922.257674-1-shreeya.patel@collabora.com> <20240216094922.257674-3-shreeya.patel@collabora.com> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 16/02/2024 10:49, Shreeya Patel wrote: > Document bindings for the Synopsys DesignWare HDMI RX Controller. > > Reviewed-by: Dmitry Osipenko > Signed-off-by: Shreeya Patel A nit, subject: drop second/last, redundant "bindings for". The "dt-bindings" prefix is already stating that these are bindings. See also: https://elixir.bootlin.com/linux/v6.7-rc8/source/Documentation/devicetree/bindings/submitting-patches.rst#L18 > --- > .../bindings/media/snps,dw-hdmi-rx.yaml | 128 ++++++++++++++++++ > 1 file changed, 128 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml > > diff --git a/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml b/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml > new file mode 100644 > index 000000000000..a70d96b548ee > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml > @@ -0,0 +1,128 @@ > +# SPDX-License-Identifier: (GPL-3.0 OR BSD-2-Clause) Use license checkpatch tells you. > +# Device Tree bindings for Synopsys DesignWare HDMI RX Controller > + > +--- > +$id: http://devicetree.org/schemas/media/snps,dw-hdmi-rx.yaml# Why this is a media, not display? Does RX means input? Lack of hardware description does not help? > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Synopsys DesignWare HDMI RX Controller > + > +maintainers: > + - Shreeya Patel > + description: > +properties: > + compatible: > + items: > + - const: rockchip,rk3588-hdmirx-ctrler > + - const: snps,dw-hdmi-rx > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 3 > + > + interrupt-names: > + items: > + - const: cec > + - const: hdmi > + - const: dma > + > + clocks: > + maxItems: 7 > + > + clock-names: > + items: > + - const: aclk > + - const: audio > + - const: cr_para > + - const: pclk > + - const: ref > + - const: hclk_s_hdmirx > + - const: hclk_vo1 > + > + power-domains: > + maxItems: 1 > + > + resets: > + maxItems: 4 > + > + reset-names: > + items: > + - const: rst_a > + - const: rst_p > + - const: rst_ref > + - const: rst_biu Drop rest_ prefix > + > + pinctrl-names: > + const: default Drop > + > + memory-region: > + maxItems: 1 > + > + hdmirx-5v-detection-gpios: > + description: GPIO specifier for 5V detection. Detection of what? Isn't this HPD? > + maxItems: 1 > + > + rockchip,grf: > + $ref: /schemas/types.yaml#/definitions/phandle > + description: > + The phandle of the syscon node for the GRF register. Instead describe what for. Basically 80% of your description is redundant and only "GRF register" brings some information. > + > + rockchip,vo1_grf: No underscores. > + $ref: /schemas/types.yaml#/definitions/phandle > + description: > + The phandle of the syscon node for the VO1 GRF register. Same problem. > + > +required: > + - compatible > + - reg > + - interrupts > + - interrupt-names > + - clocks > + - clock-names > + - power-domains > + - resets > + - pinctrl-0 > + - pinctrl-names Why? Drop. > + - hdmirx-5v-detection-gpios > + > +additionalProperties: false > + > +examples: > + - | > + #include > + #include > + #include > + #include > + #include > + hdmirx_ctrler: hdmirx-controller@fdee0000 { What is hdmirx-controller? Isn't this just hdmi@? Node names should be generic. See also an explanation and list of examples (not exhaustive) in DT specification: https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation > + compatible = "rockchip,rk3588-hdmirx-ctrler", "snps,dw-hdmi-rx"; > + reg = <0x0 0xfdee0000 0x0 0x6000>; > + interrupts = , > + , > + ; Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel