From: Liu Ying <victor.liu@nxp.com>
Date: Thu, 14 Nov 2019 08:24:01 +0000 (+0800)
Subject: arm64: dts: imx8qm-mek: Add LVDS0/1 PWM backlight support
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~577^2~2^2~637
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=3b051c2c66aa67891ddf8992c1d2af18a4d0a813;p=linux.git

arm64: dts: imx8qm-mek: Add LVDS0/1 PWM backlight support

This patch adds LVDS0/1 PWM backlight support
for the i.MX8QM MEK platform.

Signed-off-by: Liu Ying <victor.liu@nxp.com>
---

diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
index b693e7157e79..a139f9b1c943 100755
--- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
@@ -30,6 +30,42 @@
 		pinctrl-2 = <&pinctrl_wifi>;
 	};
 
+	lvds_backlight0: lvds_backlight@0 {
+		compatible = "pwm-backlight";
+		pwms = <&pwm_lvds0 0 100000 0>;
+
+		brightness-levels = < 0  1  2  3  4  5  6  7  8  9
+				     10 11 12 13 14 15 16 17 18 19
+				     20 21 22 23 24 25 26 27 28 29
+				     30 31 32 33 34 35 36 37 38 39
+				     40 41 42 43 44 45 46 47 48 49
+				     50 51 52 53 54 55 56 57 58 59
+				     60 61 62 63 64 65 66 67 68 69
+				     70 71 72 73 74 75 76 77 78 79
+				     80 81 82 83 84 85 86 87 88 89
+				     90 91 92 93 94 95 96 97 98 99
+				    100>;
+		default-brightness-level = <80>;
+	};
+
+	lvds_backlight1: lvds_backlight@1 {
+		compatible = "pwm-backlight";
+		pwms = <&pwm_lvds1 0 100000 0>;
+
+		brightness-levels = < 0  1  2  3  4  5  6  7  8  9
+				     10 11 12 13 14 15 16 17 18 19
+				     20 21 22 23 24 25 26 27 28 29
+				     30 31 32 33 34 35 36 37 38 39
+				     40 41 42 43 44 45 46 47 48 49
+				     50 51 52 53 54 55 56 57 58 59
+				     60 61 62 63 64 65 66 67 68 69
+				     70 71 72 73 74 75 76 77 78 79
+				     80 81 82 83 84 85 86 87 88 89
+				     90 91 92 93 94 95 96 97 98 99
+				    100>;
+		default-brightness-level = <80>;
+	};
+
 	modem_reset: modem-reset {
 		compatible = "gpio-reset";
 		pinctrl-names = "default", "sleep";
@@ -435,6 +471,12 @@
 	status = "okay";
 };
 
+&pwm_lvds0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm_lvds0>;
+	status = "okay";
+};
+
 &i2c1_lvds0 {
 	#address-cells = <1>;
 	#size-cells = <0>;
@@ -546,6 +588,12 @@
 	status = "okay";
 };
 
+&pwm_lvds1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm_lvds1>;
+	status = "okay";
+};
+
 &i2c1_lvds1 {
 	#address-cells = <1>;
 	#size-cells = <0>;
@@ -1237,6 +1285,18 @@
 		>;
 	};
 
+	pinctrl_pwm_lvds0: pwmlvds0grp {
+		fsl,pins = <
+			IMX8QM_LVDS0_GPIO00_LVDS0_PWM0_OUT		0x00000020
+		>;
+	};
+
+	pinctrl_pwm_lvds1: pwmlvds1grp {
+		fsl,pins = <
+			IMX8QM_LVDS1_GPIO00_LVDS1_PWM0_OUT		0x00000020
+		>;
+	};
+
 	pinctrl_modem_reset: modemresetgrp {
 		fsl,pins = <
 			IMX8QM_QSPI1A_DQS_LSIO_GPIO4_IO22		0x06000021