[RFC PATCH 8/9] arm64: dts: imx8mm: Add MIPI DSI pipeline

Jagan Teki jagan at amarulasolutions.com
Mon Jun 21 00:24:23 PDT 2021


Add MIPI DSI pipeline for i.MX8MM.

Video pipeline start from eLCDIF to MIPI DSI and respective
Panel or Bridge on the backend side.

Add support for it.

Cc: Rob Herring <robh+dt at kernel.org>
Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
---
 arch/arm64/boot/dts/freescale/imx8mm.dtsi | 59 +++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index 5f68182ed3a6..bc09fce0f6a9 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -1047,6 +1047,65 @@ lcdif: lcdif at 32e00000 {
 				interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
 				power-domains = <&dispmix_blk_ctl IMX8MM_BLK_CTL_PD_DISPMIX_LCDIF>;
 				status = "disabled";
+
+				port {
+					lcdif_out_dsi: endpoint {
+						remote-endpoint = <&dsi_in_lcdif>;
+					};
+				};
+			};
+
+			dsi: dsi at 32e10000 {
+				compatible = "fsl,imx8mm-sec-dsim";
+				reg = <0x32e10000 0xa0>;
+				clocks = <&clk IMX8MM_CLK_DSI_CORE>,
+					 <&clk IMX8MM_CLK_DSI_PHY_REF>;
+				clock-names = "bus", "phy_ref";
+				assigned-clocks = <&clk IMX8MM_CLK_DSI_CORE>,
+						  <&clk IMX8MM_VIDEO_PLL1_OUT>,
+						  <&clk IMX8MM_CLK_DSI_PHY_REF>;
+				assigned-clock-parents = <&clk IMX8MM_SYS_PLL1_266M>,
+							 <&clk IMX8MM_VIDEO_PLL1_BYPASS>,
+							 <&clk IMX8MM_VIDEO_PLL1_OUT>;
+				assigned-clock-rates = <266000000>, <594000000>, <27000000>;
+				interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
+				phys = <&dphy>;
+				phy-names = "dphy";
+				power-domains = <&dispmix_blk_ctl IMX8MM_BLK_CTL_PD_DISPMIX_MIPI_DSI>;
+				samsung,burst-clock-frequency = <891000000>;
+				samsung,esc-clock-frequency = <54000000>;
+				samsung,pll-clock-frequency = <27000000>;
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port at 0 {
+						reg = <0>;
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						dsi_in_lcdif: endpoint at 0 {
+							reg = <0>;
+							remote-endpoint = <&lcdif_out_dsi>;
+						};
+					};
+
+					port at 1 {
+						reg = <1>;
+					};
+				};
+			};
+
+			dphy: dphy at 32e100a4 {
+				compatible = "fsl,imx8mm-sec-dsim-dphy";
+				reg = <0x32e100a4 0xbc>;
+				clocks = <&clk IMX8MM_CLK_DSI_PHY_REF>;
+				clock-names = "phy_ref";
+				#phy-cells = <0>;
+				power-domains = <&dispmix_blk_ctl IMX8MM_BLK_CTL_PD_DISPMIX_MIPI_DPHY>;
+				status = "disabled";
 			};
 
 			dispmix_blk_ctl: blk-ctl at 32e28000 {
-- 
2.25.1




More information about the linux-phy mailing list