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From:   Keith Zhao <keith.zhao@starfivetech.com>
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        Shawn Guo <shawnguo@kernel.org>, Jagan Teki <jagan@edgeble.ai>,
        Chris Morgan <macromorgan@hotmail.com>,
        Keith Zhao <keith.zhao@starfivetech.com>,
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        Changhuang Liang <changhuang.liang@starfivetech.com>
Subject: [PATCH v2 2/6] riscv: dts: starfive: jh7110: add dc controller and hdmi node
Date:   Wed, 25 Oct 2023 18:39:53 +0800
Message-ID: <20231025103957.3776-3-keith.zhao@starfivetech.com>
In-Reply-To: <20231025103957.3776-1-keith.zhao@starfivetech.com>
References: <20231025103957.3776-1-keith.zhao@starfivetech.com>
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Add the dc controller and hdmi node for the Starfive JH7110 SoC.

Signed-off-by: Keith Zhao <keith.zhao@starfivetech.com>
---
 .../jh7110-starfive-visionfive-2.dtsi         | 91 +++++++++++++++++++
 arch/riscv/boot/dts/starfive/jh7110.dtsi      | 41 +++++++++
 2 files changed, 132 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
index de0f40a8b..97909b6d2 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -31,6 +31,25 @@ memory@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>;
@@ -231,6 +250,41 @@ GPOEN_DISABLE,
 			slew-rate = <0>;
 		};
 	};
+
+	hdmi_pins: hdmi-0 {
+		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;
+		};
+
+		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 */
+		};
+	};
+
 };
 
 &uart0 {
@@ -254,3 +308,40 @@ &U74_3 {
 &U74_4 {
 	cpu-supply = <&vdd_cpu>;
 };
+
+&voutcrg {
+	status = "okay";
+};
+
+&display {
+	status = "okay";
+};
+
+&hdmi {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&hdmi_pins>;
+
+	hdmi_in: port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		hdmi_in_dc: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&dc_out_hdmi>;
+		};
+	};
+};
+
+&dc8200 {
+	status = "okay";
+
+	dc_out: port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		dc_out_hdmi: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&hdmi_in_dc>;
+		};
+
+	};
+};
diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index 0005fa163..1670452fb 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -282,6 +282,11 @@ tdm_ext: tdm-ext-clock {
 		#clock-cells = <0>;
 	};
 
+	display: display-subsystem {
+		compatible = "starfive,display-subsystem";
+		ports = <&dc_out>;
+	};
+
 	soc {
 		compatible = "simple-bus";
 		interrupt-parent = <&plic>;
@@ -613,5 +618,41 @@ voutcrg: clock-controller@295c0000 {
 			#reset-cells = <1>;
 			power-domains = <&pwrc JH7110_PD_VOUT>;
 		};
+
+		dc8200: lcd-controller@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_PIX0>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_PIX1>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_CORE>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_AXI>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_AHB>,
+				<&hdmitx0_pixelclk>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_PIX>;
+			clock-names = "noc_bus", "channel0", "channel1",
+				      "dc_core", "axi_core", "ahb",
+				      "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";
+		};
+
+		hdmi: hdmi@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>,
+				 <&hdmitx0_pixelclk>;
+			clock-names = "sysclk", "mclk", "bclk", "pclk";
+			resets = <&voutcrg JH7110_VOUTRST_HDMI_TX_HDMI>;
+			#sound-dai-cells = <0>;
+		};
 	};
 };
-- 
2.34.1