[PATCH] arm64: dts: imx8mm-phg: Add display support
Fabio Estevam
festevam at gmail.com
Tue May 30 12:19:21 PDT 2023
From: Fabio Estevam <festevam at denx.de>
The imx8mm-phg has a SN65DSI83 MIPI-DSI to LVDS bridge.
Add suppor for it.
Signed-off-by: Fabio Estevam <festevam at denx.de>
---
arch/arm64/boot/dts/freescale/imx8mm-phg.dts | 85 ++++++++++++++++++++
1 file changed, 85 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phg.dts b/arch/arm64/boot/dts/freescale/imx8mm-phg.dts
index e9447738b104..aa94bf9d40f4 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-phg.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-phg.dts
@@ -80,6 +80,35 @@ reg_usdhc2_vmmc: regulator-vmmc {
startup-delay-us = <100>;
off-on-delay-us = <12000>;
};
+
+ panel {
+ compatible = "panel-lvds";
+ width-mm = <170>;
+ height-mm = <28>;
+ data-mapping = "jeida-18";
+
+ panel-timing {
+ clock-frequency = <49500000>;
+ hactive = <800>;
+ hback-porch = <48>;
+ hfront-porch = <312>;
+ hsync-len = <40>;
+ vactive = <600>;
+ vback-porch = <19>;
+ vfront-porch = <61>;
+ vsync-len = <20>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <1>;
+ pixelclk-active = <1>;
+ };
+
+ port {
+ panel_out_bridge: endpoint {
+ remote-endpoint = <&bridge_out_panel>;
+ };
+ };
+ };
};
&ecspi1 {
@@ -113,8 +142,58 @@ &i2c2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
+
+ bridge at 2c {
+ compatible = "ti,sn65dsi83";
+ reg = <0x2c>;
+ enable-gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_dsi_bridge>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 0 {
+ reg = <0>;
+ bridge_in_dsi: endpoint {
+ remote-endpoint = <&dsi_out_bridge>;
+ data-lanes = <1 2 3 4>;
+ };
+ };
+
+ port at 2 {
+ reg = <2>;
+ bridge_out_panel: endpoint {
+ remote-endpoint = <&panel_out_bridge>;
+ };
+ };
+ };
+ };
+};
+
+&lcdif {
+ status = "okay";
};
+&mipi_dsi {
+ samsung,esc-clock-frequency = <10000000>;
+ status = "okay";
+
+ ports {
+ port at 1 {
+ reg = <1>;
+
+ dsi_out_bridge: endpoint {
+ data-lanes = <1 2>;
+ lane-polarities = <1 0 0 0 0>;
+ remote-endpoint = <&bridge_in_dsi>;
+ };
+ };
+ };
+};
+
+
&uart2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart2>;
@@ -166,6 +245,12 @@ MX8MM_IOMUXC_GPIO1_IO00_GPIO1_IO0 0x19
>;
};
+ pinctrl_dsi_bridge: dsibridgeggrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SD1_DATA1_GPIO2_IO3 0x19
+ >;
+ };
+
pinctrl_ecspi1: ecspi1grp {
fsl,pins = <
MX8MM_IOMUXC_ECSPI1_MISO_ECSPI1_MISO 0x82
--
2.34.1
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