2024-01-26 09:45:10

by Yannic Moog

Subject: [PATCH RFC for upstream 3/4] arm64: dts: imx8mp-phyboard-pollux-rdk: add etml panel support

The imx8mp-phyboard-pollux has on-board lvds interface connections. An
edt,etml1010g3dra panel is supported for this interface. Add device tree
nodes for backlight and panel.

Signed-off-by: Yannic Moog <[email protected]>
---
.../dts/freescale/imx8mp-phyboard-pollux-rdk.dts | 74 ++++++++++++++++++++++
1 file changed, 74 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
index c8640cac3edc..9e8afceba65e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
@@ -19,6 +19,30 @@ chosen {
stdout-path = &uart1;
};

+ backlight_lvds: backlight {
+ compatible = "pwm-backlight";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_lvds1>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <11>;
+ enable-gpios = <&gpio2 20 GPIO_ACTIVE_LOW>;
+ num-interpolated-steps = <2>;
+ power-supply = <&reg_lvds1_reg_en>;
+ pwms = <&pwm3 0 50000 0>;
+ };
+
+ panel1_lvds: panel-lvds {
+ compatible = "edt,etml1010g3dra";
+ backlight = <&backlight_lvds>;
+ power-supply = <&reg_vcc_3v3_sw>;
+
+ port {
+ panel1_in: endpoint {
+ remote-endpoint = <&ldb_lvds_ch1>;
+ };
+ };
+ };
+
reg_can1_stby: regulator-can1-stby {
compatible = "regulator-fixed";
pinctrl-names = "default";
@@ -39,6 +63,15 @@ reg_can2_stby: regulator-can2-stby {
regulator-name = "can2-stby";
};

+ reg_lvds1_reg_en: regulator-lvds1 {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>;
+ regulator-max-microvolt = <1200000>;
+ regulator-min-microvolt = <1200000>;
+ regulator-name = "lvds1_reg_en";
+ };
+
reg_usb1_vbus: regulator-usb1-vbus {
compatible = "regulator-fixed";
pinctrl-names = "default";
@@ -61,6 +94,13 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
startup-delay-us = <100>;
off-on-delay-us = <12000>;
};
+
+ reg_vcc_3v3_sw: regulator-vcc-3v3-sw {
+ compatible = "regulator-fixed";
+ regulator-name = "VCC_3V3_SW";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
};

&eqos {
@@ -135,10 +175,32 @@ led-3 {
};
};

+&lcdif2 {
+ status = "okay";
+};
+
+&lvds_bridge {
+ status = "okay";
+
+ ports {
+ port@2 {
+ ldb_lvds_ch1: endpoint {
+ remote-endpoint = <&panel1_in>;
+ };
+ };
+ };
+};
+
&snvs_pwrkey {
status = "okay";
};

+&pwm3 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm3>;
+};
+
/* debug console */
&uart1 {
pinctrl-names = "default";
@@ -289,6 +351,18 @@ MX8MP_IOMUXC_I2C2_SDA__GPIO5_IO17 0x1e2
>;
};

+ pinctrl_lvds1: lvds1grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SD2_WP__GPIO2_IO20 0x12
+ >;
+ };
+
+ pinctrl_pwm3: pwm3grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SPDIF_TX__PWM3_OUT 0x12
+ >;
+ };
+
pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
fsl,pins = <
MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19 0x40

--
2.34.1

2024-02-06 10:39:13

by Shawn Guo

Subject: Re: [PATCH RFC for upstream 3/4] arm64: dts: imx8mp-phyboard-pollux-rdk: add etml panel support

On Fri, Jan 26, 2024 at 09:57:25AM +0100, Yannic Moog wrote:
> The imx8mp-phyboard-pollux has on-board lvds interface connections. An
> edt,etml1010g3dra panel is supported for this interface. Add device tree
> nodes for backlight and panel.
>
> Signed-off-by: Yannic Moog <[email protected]>

Applied, thanks!