| Message ID | 1554860547-18237-6-git-send-email-Anson.Huang@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add i.MX7ULP EVK PWM backlight support | expand |
On Tue, Apr 9, 2019 at 10:47 PM Anson Huang <anson.huang@nxp.com> wrote: > #include "imx7ulp.dtsi" > +#include <dt-bindings/pwm/pwm.h> This inclusion is not needed here as PWM_POLARITY_INVERTED is not used in this dts.
Hi, Fabio Best Regards! Anson Huang > -----Original Message----- > From: Fabio Estevam [mailto:festevam@gmail.com] > Sent: 2019年4月10日 10:03 > To: Anson Huang <anson.huang@nxp.com> > Cc: thierry.reding@gmail.com; robh+dt@kernel.org; mark.rutland@arm.com; > shawnguo@kernel.org; s.hauer@pengutronix.de; kernel@pengutronix.de; > linux@armlinux.org.uk; stefan@agner.ch; otavio@ossystems.com.br; > Leonard Crestez <leonard.crestez@nxp.com>; Robin Gong > <yibin.gong@nxp.com>; u.kleine-koenig@pengutronix.de; linux- > pwm@vger.kernel.org; devicetree@vger.kernel.org; linux-arm- > kernel@lists.infradead.org; linux-kernel@vger.kernel.org; dl-linux-imx > <linux-imx@nxp.com> > Subject: [EXT] Re: [PATCH V11 5/5] ARM: dts: imx7ulp-evk: Add backlight > support > > WARNING: This email was created outside of NXP. DO NOT CLICK links or > attachments unless you recognize the sender and know the content is safe. > > > > On Tue, Apr 9, 2019 at 10:47 PM Anson Huang <anson.huang@nxp.com> > wrote: > > > #include "imx7ulp.dtsi" > > +#include <dt-bindings/pwm/pwm.h> > > This inclusion is not needed here as PWM_POLARITY_INVERTED is not used > in this dts. Thanks for reminder, I will remove it later. Anson.
diff --git a/arch/arm/boot/dts/imx7ulp-evk.dts b/arch/arm/boot/dts/imx7ulp-evk.dts index a09026a..94891c7 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 = <&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 +49,12 @@ status = "okay"; }; +&tpm4 { + 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
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(+)