| Message ID | 20220413213313.11511-1-tommaso.merciai@amarulasolutions.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v4] arm64: dts: imx8mm-evk: add pwm1/backlight support | expand |
On Wed, Apr 13, 2022 at 11:33:11PM +0200, Tommaso Merciai wrote: > Add pwm1/backlight support nodes for imx8mm_evk board. > Align with u-boot dts > > References: > - https://patchwork.ozlabs.org/project/uboot/patch/20220326111911.13720-9-tommaso.merciai@amarulasolutions.com/ > > Signed-off-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com> Applied, thanks!
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi index 6d67df7692f1..6a209395452a 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi @@ -59,6 +59,14 @@ reg_usdhc2_vmmc: regulator-usdhc2 { enable-active-high; }; + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm1 0 5000000>; + brightness-levels = <0 255>; + num-interpolated-steps = <255>; + default-brightness-level = <250>; + }; + ir-receiver { compatible = "gpio-ir-receiver"; gpios = <&gpio1 13 GPIO_ACTIVE_LOW>; @@ -395,6 +403,12 @@ &wdog1 { status = "okay"; }; +&pwm1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_backlight>; + status = "okay"; +}; + &iomuxc { pinctrl_fec1: fec1grp { fsl,pins = < @@ -549,4 +563,10 @@ pinctrl_wdog: wdoggrp { MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x166 >; }; + + pinctrl_backlight: backlightgrp { + fsl,pins = < + MX8MM_IOMUXC_GPIO1_IO01_PWM1_OUT 0x06 + >; + }; };
Add pwm1/backlight support nodes for imx8mm_evk board. Align with u-boot dts References: - https://patchwork.ozlabs.org/project/uboot/patch/20220326111911.13720-9-tommaso.merciai@amarulasolutions.com/ Signed-off-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com> --- Changes since v1: - Fix commit body - Enable pwm, backlight Changes since v2: - Remove status okay from pwm1,backlight (enable as default) Changes since v3: - Remove status okay only from backlight (enable as default), pwm1 is disabled on imx8mm.dtsi, we need to enable it arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+)