diff mbox series

[v1,v1,3/7] riscv: dts: starfive: jh7110: add dc controller and hdmi node

Message ID 20230801101030.2040-4-keith.zhao@starfivetech.com (mailing list archive)
State Handled Elsewhere
Headers show
Series DRM driver for verisilicon | expand

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Context Check Description
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Commit Message

Keith Zhao Aug. 1, 2023, 10:10 a.m. UTC 
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         | 87 +++++++++++++++++++
 arch/riscv/boot/dts/starfive/jh7110.dtsi      | 43 +++++++++
 2 files changed, 130 insertions(+)

Comments

Maxime Ripard Aug. 1, 2023, 11:45 a.m. UTC | #1 
On Tue, Aug 01, 2023 at 06:10:26PM +0800, Keith Zhao wrote:
> 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         | 87 +++++++++++++++++++
>  arch/riscv/boot/dts/starfive/jh7110.dtsi      | 43 +++++++++
>  2 files changed, 130 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..32e5cc96c 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 +31,21 @@ memory@40000000 {
>  		reg = <0x0 0x40000000 0x1 0x0>;
>  	};
>  
> +	reserved-memory {
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges;
> +
> +		linux,cma {
> +			compatible = "shared-dma-pool";
> +			reusable;
> +			size = <0x0 0x20000000>;
> +			alignment = <0x0 0x1000>;
> +			alloc-ranges = <0x0 0x80000000 0x0 0x20000000>;
> +			linux,cma-default;
> +		};
> +	};
> +

You should explain why you need this, either in a comment or in the
commit log.
>
diff mbox series

Patch

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..32e5cc96c 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 +31,21 @@  memory@40000000 {
 		reg = <0x0 0x40000000 0x1 0x0>;
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			size = <0x0 0x20000000>;
+			alignment = <0x0 0x1000>;
+			alloc-ranges = <0x0 0x80000000 0x0 0x20000000>;
+			linux,cma-default;
+		};
+	};
+
 	gpio-restart {
 		compatible = "gpio-restart";
 		gpios = <&sysgpio 35 GPIO_ACTIVE_HIGH>;
@@ -231,6 +246,41 @@  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 +304,40 @@  &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..b8c527d9f 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 +618,43 @@  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>,
+			      <0x0 0x295b0000 0x0 0x90>;
+			interrupts = <95>;
+			clocks = <&syscrg JH7110_SYSCLK_NOC_BUS_DISP_AXI>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_PIX0>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_PIX1>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_AXI>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_CORE>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_AHB>,
+				<&hdmitx0_pixelclk>,
+				<&voutcrg JH7110_VOUTCLK_DC8200_PIX>;
+			clock-names = "vout_noc_disp", "vout_pix0", "vout_pix1",
+				      "vout_axi", "vout_core", "vout_vout_ahb",
+				      "hdmitx0_pixel", "vout_dc8200";
+			resets = <&voutcrg JH7110_VOUTRST_DC8200_AXI>,
+				 <&voutcrg JH7110_VOUTRST_DC8200_AHB>,
+				 <&voutcrg JH7110_VOUTRST_DC8200_CORE>;
+			reset-names = "vout_axi","vout_ahb", "vout_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>;
+			reset-names = "hdmi_tx";
+			#sound-dai-cells = <0>;
+		};
 	};
 };