linux-kernel - [PATCH v11 5/7] arm64: meson: g12-common: add the MIPI DSI nodes

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Date: Mon, 25 Mar 2024 12:09:51 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Kevin Hilman <khilman@...libre.com>, 
 Jerome Brunet <jbrunet@...libre.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, 
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
 Nicolas Belin <nbelin@...libre.com>, 
 Jagan Teki <jagan@...rulasolutions.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, dri-devel@...ts.freedesktop.org, 
 Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH v11 5/7] arm64: meson: g12-common: add the MIPI DSI nodes

Add the MIPI DSI Analog & Digital PHY nodes and the DSI control
nodes with proper port endpoint to the VPU.

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 70 +++++++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 9d5eab6595d0..b058ed78faf0 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -1663,9 +1663,28 @@ pwrc: power-controller {
 								       <250000000>,
 								       <0>; /* Do Nothing */
 					};
+
+					mipi_analog_dphy: phy {
+						compatible = "amlogic,g12a-mipi-dphy-analog";
+						#phy-cells = <0>;
+						status = "disabled";
+					};
 				};
 			};
 
+			mipi_dphy: phy@...00 {
+				compatible = "amlogic,axg-mipi-dphy";
+				reg = <0x0 0x44000 0x0 0x2000>;
+				clocks = <&clkc CLKID_MIPI_DSI_PHY>;
+				clock-names = "pclk";
+				resets = <&reset RESET_MIPI_DSI_PHY>;
+				reset-names = "phy";
+				phys = <&mipi_analog_dphy>;
+				phy-names = "analog";
+				#phy-cells = <0>;
+				status = "disabled";
+			};
+
 			usb3_pcie_phy: phy@...00 {
 				compatible = "amlogic,g12a-usb3-pcie-phy";
 				reg = <0x0 0x46000 0x0 0x2000>;
@@ -2152,6 +2171,15 @@ hdmi_tx_out: endpoint {
 					remote-endpoint = <&hdmi_tx_in>;
 				};
 			};
+
+			/* DPI output port */
+			dpi_port: port@2 {
+				reg = <2>;
+
+				dpi_out: endpoint {
+					remote-endpoint = <&mipi_dsi_in>;
+				};
+			};
 		};
 
 		gic: interrupt-controller@...01000 {
@@ -2189,6 +2217,48 @@ gpio_intc: interrupt-controller@...0 {
 				amlogic,channel-interrupts = <64 65 66 67 68 69 70 71>;
 			};
 
+			mipi_dsi: dsi@...0 {
+				compatible = "amlogic,meson-g12a-dw-mipi-dsi";
+				reg = <0x0 0x7000 0x0 0x1000>;
+				resets = <&reset RESET_MIPI_DSI_HOST>;
+				reset-names = "top";
+				clocks = <&clkc CLKID_MIPI_DSI_HOST>,
+					 <&clkc CLKID_MIPI_DSI_PXCLK>,
+					 <&clkc CLKID_CTS_ENCL>;
+				clock-names = "pclk", "bit", "px";
+				phys = <&mipi_dphy>;
+				phy-names = "dphy";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+
+				assigned-clocks = <&clkc CLKID_MIPI_DSI_PXCLK_SEL>,
+					 <&clkc CLKID_CTS_ENCL_SEL>,
+					 <&clkc CLKID_VCLK2_SEL>;
+				assigned-clock-parents = <&clkc CLKID_GP0_PLL>,
+					 <&clkc CLKID_VCLK2_DIV1>,
+					 <&clkc CLKID_GP0_PLL>;
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					/* VPU VENC Input */
+					mipi_dsi_venc_port: port@0 {
+						reg = <0>;
+
+						mipi_dsi_in: endpoint {
+							remote-endpoint = <&dpi_out>;
+						};
+					};
+
+					/* DSI Output */
+					mipi_dsi_panel_port: port@1 {
+						reg = <1>;
+					};
+				};
+			};
+
 			watchdog: watchdog@...0 {
 				compatible = "amlogic,meson-gxbb-wdt";
 				reg = <0x0 0xf0d0 0x0 0x10>;

-- 
2.34.1