[PATCH v5 2/9] riscv: dts: Add display property

keith zhao keith.zhao at starfivetech.com
Wed Nov 20 06:18:41 UTC 2024


Add the display DT nodes in Starfive JH7110 soc-specific DT file.

Signed-off-by: keith zhao <keith.zhao at starfivetech.com>
---
 .../boot/dts/starfive/jh7110-common.dtsi      | 125 ++++++++++++++++++
 arch/riscv/boot/dts/starfive/jh7110.dtsi      |  41 ++++++
 2 files changed, 166 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
index 9d77713f5361..301b56f2ef0c 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
@@ -30,6 +30,25 @@ memory at 40000000 {
 		reg = <0x0 0x40000000 0x1 0x0>;
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* vout applies for space from this CMA
+		 * Without this CMA reservation,
+		 * vout may not work properly.
+		 */
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			size = <0x0 0x20000000>;
+			alignment = <0x0 0x1000>;
+			alloc-ranges = <0x0 0x70000000 0x0 0x20000000>;
+			linux,cma-default;
+		};
+	};
+
 	gpio-restart {
 		compatible = "gpio-restart";
 		gpios = <&sysgpio 35 GPIO_ACTIVE_HIGH>;
@@ -62,12 +81,55 @@ codec {
 			};
 		};
 	};
+
+	hdmi_con: hdmi-con {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con_in: endpoint {
+				remote-endpoint = <&hdmi_out_con>;
+			};
+		};
+	};
 };
 
 &cpus {
 	timebase-frequency = <4000000>;
 };
 
+&dc8200 {
+	status = "okay";
+	crtc_out: ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		dc_out0: port at 0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			dc_out_dpi0: endpoint at 0 {
+				reg = <0>;
+				remote-endpoint = <&hdmi_enc>;
+			};
+
+		};
+
+		dc_out1: port at 1 {
+			reg = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			dc_out_dpi1: endpoint at 1 {
+				reg = <1>;
+				//remote-endpoint = <&dsi_enc>;
+			};
+
+		};
+	};
+};
+
 &dvp_clk {
 	clock-frequency = <74250000>;
 };
@@ -88,6 +150,31 @@ &gmac1_rmii_refin {
 	clock-frequency = <50000000>;
 };
 
+&hdmi {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&hdmi_pins>;
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		hdmi_in: port at 0 {
+			reg = <0>;
+			hdmi_enc: endpoint {
+				remote-endpoint = <&dc_out_dpi0>;
+			};
+		};
+
+		hdmi_out: port at 1 {
+			reg = <1>;
+			hdmi_out_con: endpoint {
+				remote-endpoint = <&hdmi_con_in>;
+			};
+		};
+	};
+};
+
 &hdmitx0_pixelclk {
 	clock-frequency = <297000000>;
 };
@@ -366,6 +453,40 @@ &syscrg {
 };
 
 &sysgpio {
+	hdmi_pins: hdmi-0 {
+		hdmi-cec-pins {
+			pinmux = <GPIOMUX(14, GPOUT_SYS_HDMI_CEC_SDA,
+					      GPOEN_SYS_HDMI_CEC_SDA,
+					      GPI_SYS_HDMI_CEC_SDA)>;
+			input-enable;
+			bias-pull-up;
+		};
+
+		hdmi-hpd-pins {
+			pinmux = <GPIOMUX(15, GPOUT_HIGH,
+					      GPOEN_ENABLE,
+					      GPI_SYS_HDMI_HPD)>;
+			input-enable;
+			bias-disable; /* external pull-up */
+		};
+
+		hdmi-scl-pins {
+			pinmux = <GPIOMUX(0, GPOUT_SYS_HDMI_DDC_SCL,
+					     GPOEN_SYS_HDMI_DDC_SCL,
+					     GPI_SYS_HDMI_DDC_SCL)>;
+			input-enable;
+			bias-pull-up;
+		};
+
+		hdmi-sda-pins {
+			pinmux = <GPIOMUX(1, GPOUT_SYS_HDMI_DDC_SDA,
+					     GPOEN_SYS_HDMI_DDC_SDA,
+					     GPI_SYS_HDMI_DDC_SDA)>;
+			input-enable;
+			bias-pull-up;
+		};
+	};
+
 	i2c0_pins: i2c0-0 {
 		i2c-pins {
 			pinmux = <GPIOMUX(57, GPOUT_LOW,
@@ -656,3 +777,7 @@ &U74_3 {
 &U74_4 {
 	cpu-supply = <&vdd_cpu>;
 };
+
+&voutcrg {
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index 0d8339357bad..d48825822017 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -1203,6 +1203,47 @@ camss: isp at 19840000 {
 			status = "disabled";
 		};
 
+		dc8200: lcd-controller at 29400000 {
+			compatible = "starfive,jh7110-dc8200";
+			reg = <0x0 0x29400000 0x0 0x100>,
+			      <0x0 0x29400800 0x0 0x2000>;
+
+			interrupts = <95>;
+			clocks = <&syscrg JH7110_SYSCLK_NOC_BUS_DISP_AXI>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_CORE>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_AXI>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_AHB>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_PIX0>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_PIX1>,
+				<&hdmitx0_pixelclk>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_PIX>;
+			clock-names = "noc_bus", "dc_core", "axi_core", "ahb",
+				      "channel0", "channel1", "hdmi_tx", "dc_parent";
+			resets = <&voutcrg JH7110_VOUTRST_DC8200_AXI>,
+				 <&voutcrg JH7110_VOUTRST_DC8200_AHB>,
+				 <&voutcrg JH7110_VOUTRST_DC8200_CORE>;
+			reset-names = "axi","ahb", "core";
+
+			starfive,syscon = <&vout_syscon>;
+		};
+
+		hdmi: hdmi at 29590000 {
+			compatible = "starfive,jh7110-inno-hdmi";
+			reg = <0x0 0x29590000 0x0 0x4000>;
+			interrupts = <99>;
+
+			clocks = <&voutcrg JH7110_VOUTCLK_HDMI_TX_SYS>,
+				 <&voutcrg JH7110_VOUTCLK_HDMI_TX_MCLK>,
+				 <&voutcrg JH7110_VOUTCLK_HDMI_TX_BCLK>;
+			clock-names = "sysclk", "mclk", "bclk";
+			resets = <&voutcrg JH7110_VOUTRST_HDMI_TX_HDMI>;
+		};
+
+		vout_syscon: syscon at 295b0000 {
+			compatible = "starfive,jh7110-vout-syscon", "syscon";
+			reg = <0 0x295b0000 0 0x90>;
+		};
+
 		voutcrg: clock-controller at 295c0000 {
 			compatible = "starfive,jh7110-voutcrg";
 			reg = <0x0 0x295c0000 0x0 0x10000>;
-- 
2.34.1



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