[RFC PATCH v2 2/3] arm64: dts: imx8mm: Add MIPI DSI pipeline
Jagan Teki
jagan at amarulasolutions.com
Thu Nov 11 02:14:55 PST 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.
Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
---
arch/arm64/boot/dts/freescale/imx8mm.dtsi | 55 +++++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index caeb93313413..eddf3a467fd2 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -188,6 +188,12 @@ clk_ext4: clock-ext4 {
clock-output-names = "clk_ext4";
};
+ mipi_phy: mipi-video-phy {
+ compatible = "fsl,imx8mm-mipi-video-phy";
+ syscon = <&disp_blk_ctrl>;
+ #phy-cells = <1>;
+ };
+
psci {
compatible = "arm,psci-1.0";
method = "smc";
@@ -1085,6 +1091,55 @@ lcdif: lcdif at 32e00000 {
interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
power-domains = <&disp_blk_ctrl IMX8MM_DISPBLK_PD_LCDIF>;
status = "disabled";
+
+ port {
+ lcdif_out_dsi: endpoint {
+ remote-endpoint = <&dsi_in_lcdif>;
+ };
+ };
+ };
+
+ dsi: dsi at 32e10000 {
+ compatible = "fsl,imx8mm-mipi-dsim";
+ reg = <0x32e10000 0x400>;
+ clocks = <&clk IMX8MM_CLK_DSI_CORE>,
+ <&clk IMX8MM_CLK_DSI_PHY_REF>;
+ clock-names = "bus_clk", "sclk_mipi";
+ 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 = <&mipi_phy 0>;
+ phy-names = "dsim";
+ power-domains = <&disp_blk_ctrl IMX8MM_DISPBLK_PD_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>;
+ };
+ };
};
disp_blk_ctrl: blk-ctrl at 32e28000 {
--
2.25.1
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