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Subject[PATCH V9 5/5] ARM: dts: imx7ulp-evk: Add backlight support
Date
This patch adds i.MX7ULP EVK board MIPI-DSI backlight support.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
No changes.
---
arch/arm/boot/dts/imx7ulp-evk.dts | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)

diff --git a/arch/arm/boot/dts/imx7ulp-evk.dts b/arch/arm/boot/dts/imx7ulp-evk.dts
index a09026a..7c44ffa 100644
--- a/arch/arm/boot/dts/imx7ulp-evk.dts
+++ b/arch/arm/boot/dts/imx7ulp-evk.dts
@@ -8,6 +8,7 @@
/dts-v1/;

#include "imx7ulp.dtsi"
+#include <dt-bindings/pwm/pwm.h>

/ {
model = "NXP i.MX7ULP EVK";
@@ -22,6 +23,14 @@
reg = <0x60000000 0x40000000>;
};

+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm0 1 50000 0>;
+ brightness-levels = <0 20 25 30 35 40 100>;
+ default-brightness-level = <6>;
+ status = "okay";
+ };
+
reg_vsd_3v3: regulator-vsd-3v3 {
compatible = "regulator-fixed";
regulator-name = "VSD_3V3";
@@ -40,6 +49,12 @@
status = "okay";
};

+&pwm0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm0>;
+ status = "okay";
+};
+
&usdhc0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usdhc0>;
@@ -57,6 +72,12 @@
bias-pull-up;
};

+ pinctrl_pwm0: pwm0grp {
+ fsl,pins = <
+ IMX7ULP_PAD_PTF2__TPM4_CH1 0x2
+ >;
+ };
+
pinctrl_usdhc0: usdhc0grp {
fsl,pins = <
IMX7ULP_PAD_PTD1__SDHC0_CMD 0x43
--
2.7.4
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