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Message-ID: <ad1a74be-c32c-522d-8183-1079e3ce7b80@linaro.org>
Date: Mon, 19 Dec 2022 12:01:00 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Johan Jonker <jbx6244@...il.com>, heiko@...ech.de
Cc: hjc@...k-chips.com, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, airlied@...il.com,
daniel@...ll.ch, dri-devel@...ts.freedesktop.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dt-bindings: display: rockchip: convert
rockchip-lvds.txt to YAML
On 17/12/2022 16:23, Johan Jonker wrote:
> Convert rockchip-lvds.txt to YAML.
>
> Changed:
> Add power-domains property.
> Requirements between PX30 and RK3288
>
> Signed-off-by: Johan Jonker <jbx6244@...il.com>
> ---
>
> Changed V2:
> Fix title
> ---
> .../display/rockchip/rockchip-lvds.txt | 92 ----------
> .../display/rockchip/rockchip-lvds.yaml | 157 ++++++++++++++++++
> 2 files changed, 157 insertions(+), 92 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt
> create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt b/Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt
> deleted file mode 100644
> index aaf8c44cf..000000000
> --- a/Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt
> +++ /dev/null
> @@ -1,92 +0,0 @@
> -Rockchip RK3288 LVDS interface
> -================================
> -
> -Required properties:
> -- compatible: matching the soc type, one of
> - - "rockchip,rk3288-lvds";
> - - "rockchip,px30-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
> -
> -- phys: LVDS/DSI DPHY (px30 only)
> -- phy-names: name of the PHY, must be "dphy" (px30 only)
> -
> -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
> -
> -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>;
> - };
> - };
> - };
> - };
> diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.yaml
> new file mode 100644
> index 000000000..f05901633
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.yaml
Filename matching compatible style, so: "rockchip,lvds.yaml"
> @@ -0,0 +1,157 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/rockchip/rockchip-lvds.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Rockchip low-voltage differential signal (LVDS) transmitter
> +
> +maintainers:
> + - Sandy Huang <hjc@...k-chips.com>
> + - Heiko Stuebner <heiko@...ech.de>
> +
> +properties:
> + compatible:
> + enum:
> + - rockchip,px30-lvds
> + - rockchip,rk3288-lvds
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + maxItems: 1
> +
> + clock-names:
> + const: pclk_lvds
> +
> + avdd1v0-supply:
> + description: Regulator phandle for 1.0V analog power.
Drop "Regulator phandle for ". Same in other regulators.
> +
> + avdd1v8-supply:
> + description: Regulator phandle for 1.8V analog power.
> +
> + avdd3v3-supply:
> + description: Regulator phandle for 3.3V analog power.
> +
> + rockchip,grf:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: Phandle to the general register files syscon.
> +
> + rockchip,output:
> + $ref: /schemas/types.yaml#/definitions/string
> + enum: [rgb, lvds, duallvds]
> + description: This describes the output interface.
> +
> + phys:
> + maxItems: 1
> +
> + phy-names:
> + const: dphy
> +
> + pinctrl-names:
> + const: lcdc
> +
> + pinctrl-0: true
> +
> + power-domains:
> + maxItems: 1
> +
> + ports:
> + $ref: /schemas/graph.yaml#/properties/ports
> +
> + properties:
> + port@0:
> + $ref: /schemas/graph.yaml#/properties/port
> + description:
> + Video port 0 for the VOP input, the remote endpoint maybe vopb or vopl.
> +
> + port@1:
> + $ref: /schemas/graph.yaml#/properties/port
> + description:
> + Video port 1 for either a panel or subsequent encoder.
> +
> + required:
> + - port@0
> + - port@1
> +
> +additionalProperties: false
> +
> +allOf:
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: rockchip,px30-lvds
> +
> + then:
> + required:
> + - phys
> + - phy-names
else:
properties:
phys: false
phy-names: false
(assuming it is correct)
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: rockchip,rk3288-lvds
> +
> + then:
> + required:
> + - reg
> + - clocks
> + - clock-names
> + - avdd1v0-supply
> + - avdd1v8-supply
> + - avdd3v3-supply
> +
> +required:
> + - compatible
> + - rockchip,grf
> + - rockchip,output
> + - ports
Please keep order like in example-schema.yaml:
properties:
required:
allOf:
additionalProperties:
examples:
> +
> +examples:
> + - |
Best regards,
Krzysztof
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