[PATCH v3 3/5] dt-bindings: display: rockchip: Add schema for RK3588 HDMI TX Controller

Cristian Ciocaltea
2024-08-07T11:08:47Z

Rockchip RK3588 SoC integrates the Synopsys DesignWare HDMI 2.1
Quad-Pixel (QP) TX controller IP.

Since this is a new IP block, quite different from those used in the
previous generations of Rockchip SoCs, add a dedicated binding file.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
---
.../display/rockchip/rockchip,dw-hdmi-qp.yaml | 188 +++++++++++++++++++++
1 file changed, 188 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi-qp.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi-qp.yaml
new file mode 100644
index 000000000000..33572c88a589
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi-qp.yaml
@@ -0,0 +1,188 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/rockchip/rockchip,dw-hdmi-qp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip DW HDMI QP TX Encoder
+
+maintainers:
+ - Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
+
+description:
+ Rockchip RK3588 SoC integrates the Synopsys DesignWare HDMI QP TX controller
+ IP and a HDMI/eDP TX Combo PHY based on a Samsung IP block.
+
+allOf:
+ - $ref: ../bridge/synopsys,dw-hdmi-qp.yaml#
+ - $ref: /schemas/sound/dai-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ - rockchip,rk3588-dw-hdmi-qp
+
+ clocks:
+ minItems: 4
+ items:
+ - {}
+ - {}
+ - {}
+ - {}
+ # The next clocks are optional, but shall be specified in this
+ # order when present.
+ - description: TMDS/FRL link clock
+ - description: Video datapath clock
+
+ clock-names:
+ minItems: 4
+ items:
+ - {}
+ - {}
+ - {}
+ - {}
+ - enum: [hdp, hclk_vo1]
+ - const: hclk_vo1
+
+ interrupts:
+ items:
+ - {}
+ - {}
+ - {}
+ - {}
+ - description: HPD interrupt
+
+ interrupt-names:
+ items:
+ - {}
+ - {}
+ - {}
+ - {}
+ - const: hpd
+
+ phys:
+ maxItems: 1
+ description: The HDMI/eDP PHY.
+
+ phy-names:
+ const: hdmi
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Port node with one endpoint connected to a vop node.
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Port node with one endpoint connected to a hdmi-connector node.
+
+ required:
+ - port@0
+ - port@1
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ minItems: 2
+ maxItems: 2
+
+ reset-names:
+ items:
+ - const: ref
+ - const: hdp
+
+ "#sound-dai-cells":
+ const: 0
+
+ rockchip,grf:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ Most HDMI QP related data is accessed through SYS GRF regs.
+
+ rockchip,vo1_grf:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ Additional HDMI QP related data is accessed through VO1 GRF regs.
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - interrupts
+ - interrupt-names
+ - phys
+ - phy-names
+ - ports
+ - resets
+ - reset-names
+ - rockchip,grf
+ - rockchip,vo1_grf
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/rockchip,rk3588-cru.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/power/rk3588-power.h>
+ #include <dt-bindings/reset/rockchip,rk3588-cru.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ hdmi@fde80000 {
+ compatible = "rockchip,rk3588-dw-hdmi-qp";
+ reg = <0x0 0xfde80000 0x0 0x20000>;
+ clocks = <&cru PCLK_HDMITX0>,
+ <&cru CLK_HDMITX0_EARC>,
+ <&cru CLK_HDMITX0_REF>,
+ <&cru MCLK_I2S5_8CH_TX>,
+ <&cru CLK_HDMIHDP0>,
+ <&cru HCLK_VO1>;
+ clock-names = "pclk", "earc", "ref", "aud", "hdp", "hclk_vo1";
+ interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH 0>,
+ <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH 0>,
+ <GIC_SPI 171 IRQ_TYPE_LEVEL_HIGH 0>,
+ <GIC_SPI 172 IRQ_TYPE_LEVEL_HIGH 0>,
+ <GIC_SPI 360 IRQ_TYPE_LEVEL_HIGH 0>;
+ interrupt-names = "avp", "cec", "earc", "main", "hpd";
+ phys = <&hdptxphy_hdmi0>;
+ phy-names = "hdmi";
+ power-domains = <&power RK3588_PD_VO1>;
+ resets = <&cru SRST_HDMITX0_REF>, <&cru SRST_HDMIHDP0>;
+ reset-names = "ref", "hdp";
+ rockchip,grf = <&sys_grf>;
+ rockchip,vo1_grf = <&vo1_grf>;
+ #sound-dai-cells = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ hdmi0_in_vp0: endpoint {
+ remote-endpoint = <&vp0_out_hdmi0>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ hdmi0_out_con0: endpoint {
+ remote-endpoint = <&hdmi_con0_in>;
+ };
+ };
+ };
+ };
+ };

--
2.45.2