[PATCH v2 6/9] arm64: dts: imx8mq-librem5: enable the LCD panel

From: Martin Kepplinger
Date: Mon Jan 18 2021 - 06:01:33 EST


This enables the Librem5's ft8006p based LCD panel driven by the
imx8mq's Northwest Logic DSI IP core and mxsfb display controller.

Signed-off-by: Martin Kepplinger <martin.kepplinger@xxxxxxx>
---
.../boot/dts/freescale/imx8mq-librem5.dtsi | 53 ++++++++++++++++++-
1 file changed, 51 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index f77b51d3c132..bf86402cda30 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -310,6 +310,17 @@
>;
};

+ pinctrl_dsirst: dsirstgrp {
+ fsl,pins = <
+ /* DSI_RST */
+ MX8MQ_IOMUXC_ENET_RD3_GPIO1_IO29 0x83
+ /* DSI_TE */
+ MX8MQ_IOMUXC_ENET_RD2_GPIO1_IO28 0x83
+ /* TP_RST */
+ MX8MQ_IOMUXC_ENET_RX_CTL_GPIO1_IO24 0x83
+ >;
+ };
+
pinctrl_ecspi1: ecspigrp {
fsl,pins = <
MX8MQ_IOMUXC_ECSPI1_MOSI_ECSPI1_MOSI 0x83
@@ -817,12 +828,12 @@
compatible = "tps65132";
reg = <0x3e>;

- outp {
+ reg_lcd_avdd: outp {
regulator-name = "LCD_AVDD";
vin-supply = <&reg_lcd_3v4>;
};

- outn {
+ reg_lcd_avee: outn {
regulator-name = "LCD_AVEE";
vin-supply = <&reg_lcd_3v4>;
};
@@ -947,6 +958,44 @@
};
};

+&lcdif {
+ status = "okay";
+};
+
+&mipi_dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ lcd_panel: panel@0 {
+ compatible = "mantix,mlaf057we51-x";
+ reg = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_dsirst>;
+ avdd-supply = <&reg_lcd_avdd>;
+ avee-supply = <&reg_lcd_avee>;
+ vddi-supply = <&reg_lcd_1v8>;
+ backlight = <&backlight_dsi>;
+ reset-gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&mipi_dsi_out>;
+ };
+ };
+ };
+
+ ports {
+ port@1 {
+ reg = <1>;
+
+ mipi_dsi_out: endpoint {
+ remote-endpoint = <&panel_in>;
+ };
+ };
+ };
+};
+
&pgc_gpu {
power-supply = <&buck3_reg>;
};
--
2.20.1