dt-bindings: display: convert rockchip rk3066 hdmi bindings to yaml
Current dts files with 'hdmi' nodes for rk3066 are manually verified.
In order to automate this process rockchip,rk3066-hdmi.txt
has to be converted to yaml.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200403133630.7377-1-jbx6244@gmail.com
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml
new file mode 100644
index 0000000..4110d00
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml
@@ -0,0 +1,140 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/rockchip/rockchip,rk3066-hdmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip rk3066 HDMI controller
+
+maintainers:
+ - Sandy Huang <hjc@rock-chips.com>
+ - Heiko Stuebner <heiko@sntech.de>
+
+properties:
+ compatible:
+ const: rockchip,rk3066-hdmi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: hclk
+
+ pinctrl-0:
+ maxItems: 2
+
+ pinctrl-names:
+ const: default
+ description:
+ Switch the iomux for the HPD/I2C pins to HDMI function.
+
+ power-domains:
+ maxItems: 1
+
+ rockchip,grf:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ This soc uses GRF regs to switch the HDMI TX input between vop0 and vop1.
+
+ ports:
+ type: object
+
+ properties:
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ port@0:
+ type: object
+ description:
+ Port node with two endpoints, numbered 0 and 1,
+ connected respectively to vop0 and vop1.
+
+ port@1:
+ type: object
+ description:
+ Port node with one endpoint connected to a hdmi-connector node.
+
+ required:
+ - "#address-cells"
+ - "#size-cells"
+ - port@0
+ - port@1
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - pinctrl-0
+ - pinctrl-names
+ - power-domains
+ - rockchip,grf
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/rk3066a-cru.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/pinctrl/rockchip.h>
+ #include <dt-bindings/power/rk3066-power.h>
+ hdmi: hdmi@10116000 {
+ compatible = "rockchip,rk3066-hdmi";
+ reg = <0x10116000 0x2000>;
+ interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru HCLK_HDMI>;
+ clock-names = "hclk";
+ pinctrl-0 = <&hdmii2c_xfer>, <&hdmi_hpd>;
+ pinctrl-names = "default";
+ power-domains = <&power RK3066_PD_VIO>;
+ rockchip,grf = <&grf>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ hdmi_in: port@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ hdmi_in_vop0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&vop0_out_hdmi>;
+ };
+ hdmi_in_vop1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&vop1_out_hdmi>;
+ };
+ };
+ hdmi_out: port@1 {
+ reg = <1>;
+ hdmi_out_con: endpoint {
+ remote-endpoint = <&hdmi_con_in>;
+ };
+ };
+ };
+ };
+
+ pinctrl {
+ hdmi {
+ hdmi_hpd: hdmi-hpd {
+ rockchip,pins = <0 RK_PA0 1 &pcfg_pull_default>;
+ };
+ hdmii2c_xfer: hdmii2c-xfer {
+ rockchip,pins = <0 RK_PA1 1 &pcfg_pull_none>,
+ <0 RK_PA2 1 &pcfg_pull_none>;
+ };
+ };
+ };