linux-kernel - Re: [PATCH v7 1/3] dt-bindings: display: Add Document for Rockchip Soc LVDS

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Message-ID: <59A53F27.2010308@rock-chips.com>
Date:   Tue, 29 Aug 2017 18:17:11 +0800
From:   Mark yao <mark.yao@...k-chips.com>
To:     Sandy Huang <hjc@...k-chips.com>, David Airlie <airlied@...ux.ie>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Heiko Stuebner <heiko@...ech.de>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v7 1/3] dt-bindings: display: Add Document for Rockchip
 Soc LVDS

On 2017年08月23日 14:26, Sandy Huang wrote:
> This patch add Document for Rockchip Soc RK3288 LVDS,
> This based on the patches from Mark yao and Heiko Stuebner.
>
> Signed-off-by: Sandy Huang <hjc@...k-chips.com>
> Signed-off-by: Mark yao <mark.yao@...k-chips.com>
> Signed-off-by: Heiko Stuebner <heiko@...ech.de>
> ---
Looks good for me:

Reviewed-by: Mark Yao <mark.yao@...k-chips.com>

> Changes according to Rob Herring's review.
>
>   .../bindings/display/rockchip/rockchip-lvds.txt    | 99 ++++++++++++++++++++++
>   1 file changed, 99 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt
>
> diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt b/Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt
> new file mode 100644
> index 0000000..da6939e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt
> @@ -0,0 +1,99 @@
> +Rockchip RK3288 LVDS interface
> +================================
> +
> +Required properties:
> +- compatible: matching the soc type, one of
> +	- "rockchip,rk3288-lvds";
> +
> +- reg: physical base address of the controller and length
> +	of memory mapped region.
> +- clocks: must include clock specifiers corresponding to entries in the
> +	clock-names property.
> +- clock-names: must contain "pclk_lvds"
> +
> +- avdd1v0-supply: regulator phandle for 1.0V analog power
> +- avdd1v8-supply: regulator phandle for 1.8V analog power
> +- avdd3v3-supply: regulator phandle for 3.3V analog power
> +
> +- rockchip,grf: phandle to the general register files syscon
> +- rockchip,output: "rgb", "lvds" or "duallvds", This describes the output interface
> +
> +Optional properties:
> +- pinctrl-names: must contain a "lcdc" entry.
> +- pinctrl-0: pin control group to be used for this controller.
> +
> +Required nodes:
> +
> +The lvds has two video ports as described by
> +	Documentation/devicetree/bindings/media/video-interfaces.txt
> +Their connections are modeled using the OF graph bindings specified in
> +	Documentation/devicetree/bindings/graph.txt.
> +
> +- video port 0 for the VOP input, the remote endpoint maybe vopb or vopl
> +- video port 1 for either a panel or subsequent encoder
> +
> +the lvds panel described by
> +	Documentation/devicetree/bindings/display/panel/simple-panel.txt
> +
> +Panel required properties:
> +- ports for remote LVDS output
> +
> +Panel optional properties:
> +- data-mapping: should be "vesa-24","jeida-24" or "jeida-18".
> +This describes decribed by:
> +	Documentation/devicetree/bindings/display/panel/panel-lvds.txt
> +
> +Example:
> +
> +lvds_panel: lvds-panel {
> +	compatible = "auo,b101ean01";
> +	enable-gpios = <&gpio7 21 GPIO_ACTIVE_HIGH>;
> +	data-mapping = "jeida-24";
> +
> +	ports {
> +		panel_in_lvds: endpoint {
> +			remote-endpoint = <&lvds_out_panel>;
> +		};
> +	};
> +};
> +
> +For Rockchip RK3288:
> +
> +	lvds: lvds@...6c000 {
> +		compatible = "rockchip,rk3288-lvds";
> +		rockchip,grf = <&grf>;
> +		reg = <0xff96c000 0x4000>;
> +		clocks = <&cru PCLK_LVDS_PHY>;
> +		clock-names = "pclk_lvds";
> +		pinctrl-names = "lcdc";
> +		pinctrl-0 = <&lcdc_ctl>;
> +		avdd1v0-supply = <&vdd10_lcd>;
> +		avdd1v8-supply = <&vcc18_lcd>;
> +		avdd3v3-supply = <&vcca_33>;
> +		rockchip,output = "rgb";
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			lvds_in: port@0 {
> +				reg = <0>;
> +
> +				lvds_in_vopb: endpoint@0 {
> +					reg = <0>;
> +					remote-endpoint = <&vopb_out_lvds>;
> +				};
> +				lvds_in_vopl: endpoint@1 {
> +					reg = <1>;
> +					remote-endpoint = <&vopl_out_lvds>;
> +				};
> +			};
> +
> +			lvds_out: port@1 {
> +				reg = <1>;
> +
> +				lvds_out_panel: endpoint {
> +					remote-endpoint = <&panel_in_lvds>;
> +				};
> +			};
> +		};
> +	};


-- 
Ｍark Yao