From: Jagan Teki <ja...@amarulasolutions.com>
This patch add support for lcdif backlight on GEAM6UL
variant boards.
Cc: Shawn Guo <shawn...@kernel.org>
Cc: Matteo Lisi <matteo.l...@engicam.com>
Cc: Michael Trimarchi <mich...@amarulasolutions.com>
Signed-off-by: Jagan Teki <ja...@amarulasolutions.com>
---
arch/arm/boot/dts/imx6ul-geam.dtsi | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm/boot/dts/imx6ul-geam.dtsi
b/arch/arm/boot/dts/imx6ul-geam.dtsi
index 940aef6..ee5220c 100644
--- a/arch/arm/boot/dts/imx6ul-geam.dtsi
+++ b/arch/arm/boot/dts/imx6ul-geam.dtsi
@@ -49,6 +49,23 @@
reg = <0x80000000 0x08000000>;
};
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm8 0 100000>;
+ 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 = <100>;
+ };
+
chosen {
stdout-path = &uart1;
};
@@ -143,6 +160,12 @@
display = <&display0>;
};
+&pwm8 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm8>;
+ status = "okay";
+};
+
&tsc {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_tsc>;
@@ -290,6 +313,12 @@
>;
};
+ pinctrl_pwm8: pwm8grp {
+ fsl,pins = <
+ MX6UL_PAD_ENET1_RX_ER__PWM8_OUT 0x110b0
+ >;
+ };
+
pinctrl_tsc: tscgrp {
fsl,pin = <
MX6UL_PAD_GPIO1_IO01__GPIO1_IO01 0xb0
--
1.9.1
