linux-kernel - [PATCH v2 4/6] arm64: dts: imx93: Add LCDIF & LDB nodes

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Message-ID: <20250224142831.485159-5-alexander.stein@ew.tq-group.com>
Date: Mon, 24 Feb 2025 15:28:25 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Abel Vesa <abelvesa@...nel.org>,
	Peng Fan <peng.fan@....com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>
Cc: Alexander Stein <alexander.stein@...tq-group.com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux@...tq-group.com,
	linux-clk@...r.kernel.org,
	linux-pm@...r.kernel.org
Subject: [PATCH v2 4/6] arm64: dts: imx93: Add LCDIF & LDB nodes

LCDIF port 1 is directly attached to the LVDS Display Bridge (LDB).
Both need the same clock source (VIDEO_PLL1).

Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
 arch/arm64/boot/dts/freescale/imx93.dtsi | 77 ++++++++++++++++++++++++
 1 file changed, 77 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
index 56766fdb0b1e5..2628e1e628ec2 100644
--- a/arch/arm64/boot/dts/freescale/imx93.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
@@ -1273,6 +1273,9 @@ s4muap: mailbox@...20000 {
 		media_blk_ctrl: system-controller@...10000 {
 			compatible = "fsl,imx93-media-blk-ctrl", "syscon";
 			reg = <0x4ac10000 0x10000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
 			power-domains = <&mediamix>;
 			clocks = <&clk IMX93_CLK_MEDIA_APB>,
 				 <&clk IMX93_CLK_MEDIA_AXI>,
@@ -1286,8 +1289,82 @@ media_blk_ctrl: system-controller@...10000 {
 				 <&clk IMX93_CLK_MIPI_DSI_GATE>;
 			clock-names = "apb", "axi", "nic", "disp", "cam",
 				      "pxp", "lcdif", "isi", "csi", "dsi";
+			assigned-clocks = <&clk IMX93_CLK_MEDIA_AXI>,
+					  <&clk IMX93_CLK_MEDIA_APB>,
+					  <&clk IMX93_CLK_VIDEO_PLL>,
+					  <&clk IMX93_CLK_MEDIA_DISP_PIX>;
+			assigned-clock-parents = <&clk IMX93_CLK_SYS_PLL_PFD0>,
+						 <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>,
+						 <&clk IMX93_CLK_24M>,
+						 <&clk IMX93_CLK_VIDEO_PLL>;
+			assigned-clock-rates = <333333333>, <133333333>, <0>, <200000000>;
 			#power-domain-cells = <1>;
 			status = "disabled";
+
+			lvds_bridge: bridge@20 {
+				compatible = "fsl,imx93-ldb";
+				reg = <0x20 0x4>, <0x24 0x4>;
+				reg-names = "ldb", "lvds";
+				clocks = <&clk IMX93_CLK_LVDS_GATE>;
+				clock-names = "ldb";
+				assigned-clocks = <&clk IMX93_CLK_MEDIA_LDB>;
+				assigned-clock-parents = <&clk IMX93_CLK_VIDEO_PLL>;
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+
+						ldb_from_lcdif: endpoint {
+							remote-endpoint = <&lcdif_to_ldb>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+
+						ldb_lvds: endpoint {
+						};
+					};
+				};
+			};
+		};
+
+		lcdif: display-controller@...30000 {
+			compatible = "fsl,imx93-lcdif";
+			reg = <0x4ae30000 0x23c>;
+			interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk IMX93_CLK_MEDIA_DISP_PIX>,
+				 <&clk IMX93_CLK_LCDIF_GATE>,
+				 <&clk IMX93_CLK_MEDIA_AXI>;
+			clock-names = "pix", "axi", "disp_axi";
+			assigned-clocks = <&clk IMX93_CLK_VIDEO_PLL>,
+					  <&clk IMX93_CLK_MEDIA_DISP_PIX>;
+			assigned-clock-parents = <&clk IMX93_CLK_24M>,
+						 <&clk IMX93_CLK_VIDEO_PLL>;
+			power-domains = <&media_blk_ctrl IMX93_MEDIABLK_PD_LCDIF>;
+			status = "disabled";
+
+			port {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				lcdif_to_dsi: endpoint@0 {
+					reg = <0>;
+				};
+
+				lcdif_to_ldb: endpoint@1 {
+					reg = <1>;
+					remote-endpoint = <&ldb_from_lcdif>;
+				};
+
+				lcdif_to_dpi: endpoint@2 {
+					reg = <2>;
+				};
+			};
 		};
 
 		usbotg1: usb@...00000 {
-- 
2.43.0