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authorAnson Huang <anson.huang@nxp.com>2019-05-12 08:51:26 +0000
committerShawn Guo <shawnguo@kernel.org>2019-05-20 10:58:15 +0800
commit811b99bc661ad0a7c5bcee570d6b10d5198d59d9 (patch)
tree908bc72cf0e7c3fb846d9da8f3973a0f8f7b4472 /arch/arm/boot/dts/imx7ulp-evk.dts
parent15641ca81d2514a92a66641ad6546d84665ab2bd (diff)
ARM: dts: imx7ulp-evk: Add backlight support
This patch adds i.MX7ULP EVK board MIPI-DSI backlight support. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx7ulp-evk.dts')
-rw-r--r--arch/arm/boot/dts/imx7ulp-evk.dts20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx7ulp-evk.dts b/arch/arm/boot/dts/imx7ulp-evk.dts
index a09026a6d22e..59f094ea591a 100644
--- a/arch/arm/boot/dts/imx7ulp-evk.dts
+++ b/arch/arm/boot/dts/imx7ulp-evk.dts
@@ -22,6 +22,14 @@
reg = <0x60000000 0x40000000>;
};
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&tpm4 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 +48,12 @@
status = "okay";
};
+&tpm4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm0>;
+ status = "okay";
+};
+
&usdhc0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usdhc0>;
@@ -57,6 +71,12 @@
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