This patch adds i.MX7ULP EVK board MIPI-DSI backlight support. Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx> --- No change change, just resend the patch with correct encoding for patch series: https://patchwork.kernel.org/patch/10937147/ --- arch/arm/boot/dts/imx7ulp-evk.dts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/imx7ulp-evk.dts b/arch/arm/boot/dts/imx7ulp-evk.dts index a09026a..59f094e 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 -- 2.7.4
