mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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e0c93980d2
HDMI on RK3036 use GRF control the HSYNC/VSYNC polarity, but this part is missing when it first landing upstream. Document that it is mandatory for RK3036 HDMI. Signed-off-by: Andy Yan <andy.yan@rock-chips.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20250422070455.432666-3-andyshrk@163.com
147 lines
3.1 KiB
YAML
147 lines
3.1 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/display/rockchip/rockchip,inno-hdmi.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Rockchip Innosilicon HDMI controller
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maintainers:
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- Sandy Huang <hjc@rock-chips.com>
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- Heiko Stuebner <heiko@sntech.de>
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properties:
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compatible:
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enum:
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- rockchip,rk3036-inno-hdmi
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- rockchip,rk3128-inno-hdmi
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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items:
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- description: The HDMI controller main clock
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- description: The HDMI PHY reference clock
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clock-names:
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items:
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- const: pclk
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- const: ref
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power-domains:
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maxItems: 1
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"#sound-dai-cells":
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const: 0
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ports:
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$ref: /schemas/graph.yaml#/properties/ports
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properties:
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port@0:
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$ref: /schemas/graph.yaml#/properties/port
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description:
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Port node with one endpoint connected to a vop node.
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port@1:
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$ref: /schemas/graph.yaml#/properties/port
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description:
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Port node with one endpoint connected to a hdmi-connector node.
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required:
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- port@0
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- port@1
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rockchip,grf:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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Phandle to GRF used for control the polarity of hsync/vsync of rk3036
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HDMI.
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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- pinctrl-0
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- pinctrl-names
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- ports
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allOf:
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- $ref: /schemas/sound/dai-common.yaml#
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- if:
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properties:
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compatible:
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contains:
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const: rockchip,rk3036-inno-hdmi
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then:
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required:
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- rockchip,grf
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properties:
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power-domains: false
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- if:
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properties:
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compatible:
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contains:
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const: rockchip,rk3128-inno-hdmi
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then:
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required:
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- power-domains
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/rk3036-cru.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/pinctrl/rockchip.h>
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hdmi: hdmi@20034000 {
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compatible = "rockchip,rk3036-inno-hdmi";
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reg = <0x20034000 0x4000>;
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interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cru PCLK_HDMI>, <&cru SCLK_LCDC>;
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clock-names = "pclk", "ref";
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pinctrl-names = "default";
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pinctrl-0 = <&hdmi_ctl>;
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rockchip,grf = <&grf>;
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#sound-dai-cells = <0>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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hdmi_in: port@0 {
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reg = <0>;
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hdmi_in_vop: endpoint {
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remote-endpoint = <&vop_out_hdmi>;
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};
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};
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hdmi_out: port@1 {
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reg = <1>;
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hdmi_out_con: endpoint {
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remote-endpoint = <&hdmi_con_in>;
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};
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};
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};
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};
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pinctrl {
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hdmi {
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hdmi_ctl: hdmi-ctl {
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rockchip,pins = <1 RK_PB0 1 &pcfg_pull_none>,
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<1 RK_PB1 1 &pcfg_pull_none>,
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<1 RK_PB2 1 &pcfg_pull_none>,
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<1 RK_PB3 1 &pcfg_pull_none>;
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};
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};
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};
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