From mboxrd@z Thu Jan 1 00:00:00 1970 From: Uri Mashiach Subject: Re: [PATCH 6/6] ARM: OMAP2+: dts: cm-t335: add support for PWM backlight Date: Wed, 11 Nov 2015 19:33:29 +0200 Message-ID: <56437BE9.9050003@compulab.co.il> References: <1445948100-16446-1-git-send-email-uri.mashiach@compulab.co.il> <1445948100-16446-7-git-send-email-uri.mashiach@compulab.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1445948100-16446-7-git-send-email-uri.mashiach-UTxiZqZC01RS1MOuV/RT9w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org Cc: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, bcousson-rdvid1DuHRBWk0Htik3J/w@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, igor.grinberg-UTxiZqZC01RS1MOuV/RT9w@public.gmane.org List-Id: linux-omap@vger.kernel.org Gentle ping On 27/10/15 14:15, Uri Mashiach wrote: > From: Ilya Ledvich > > Add pinmux configuration for ECAP0 pin. > Add node for PWM backlight device. > Use PWM output from ecap0 as backlight source. > > Acked-by: Igor Grinberg > Signed-off-by: Ilya Ledvich > Signed-off-by: Uri Mashiach > --- > arch/arm/boot/dts/am335x-cm-t335.dts | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/arch/arm/boot/dts/am335x-cm-t335.dts b/arch/arm/boot/dts/am335x-cm-t335.dts > index 0296d3f..571a453 100644 > --- a/arch/arm/boot/dts/am335x-cm-t335.dts > +++ b/arch/arm/boot/dts/am335x-cm-t335.dts > @@ -39,6 +39,13 @@ > regulator-min-microvolt = <3300000>; > regulator-max-microvolt = <3300000>; > }; > + > + backlight { > + compatible = "pwm-backlight"; > + pwms = <&ecap0 0 50000 0>; > + brightness-levels = <0 51 53 56 62 75 101 152 255>; > + default-brightness-level = <8>; > + }; > }; > > &am33xx_pinmux { > @@ -113,6 +120,13 @@ > >; > }; > > + ecap0_pins: pinmux_ecap0_pins { > + pinctrl-single,pins = < > + /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */ > + 0x164 0x0 > + >; > + }; > + > cpsw_default: cpsw_default { > pinctrl-single,pins = < > /* Slave 1 */ > @@ -222,6 +236,16 @@ > }; > }; > > +&epwmss0 { > + status = "okay"; > + > + ecap0: ecap@48300100 { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&ecap0_pins>; > + }; > +}; > + > &gpmc { > status = "okay"; > pinctrl-names = "default"; > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: uri.mashiach@compulab.co.il (Uri Mashiach) Date: Wed, 11 Nov 2015 19:33:29 +0200 Subject: [PATCH 6/6] ARM: OMAP2+: dts: cm-t335: add support for PWM backlight In-Reply-To: <1445948100-16446-7-git-send-email-uri.mashiach@compulab.co.il> References: <1445948100-16446-1-git-send-email-uri.mashiach@compulab.co.il> <1445948100-16446-7-git-send-email-uri.mashiach@compulab.co.il> Message-ID: <56437BE9.9050003@compulab.co.il> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Gentle ping On 27/10/15 14:15, Uri Mashiach wrote: > From: Ilya Ledvich > > Add pinmux configuration for ECAP0 pin. > Add node for PWM backlight device. > Use PWM output from ecap0 as backlight source. > > Acked-by: Igor Grinberg > Signed-off-by: Ilya Ledvich > Signed-off-by: Uri Mashiach > --- > arch/arm/boot/dts/am335x-cm-t335.dts | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/arch/arm/boot/dts/am335x-cm-t335.dts b/arch/arm/boot/dts/am335x-cm-t335.dts > index 0296d3f..571a453 100644 > --- a/arch/arm/boot/dts/am335x-cm-t335.dts > +++ b/arch/arm/boot/dts/am335x-cm-t335.dts > @@ -39,6 +39,13 @@ > regulator-min-microvolt = <3300000>; > regulator-max-microvolt = <3300000>; > }; > + > + backlight { > + compatible = "pwm-backlight"; > + pwms = <&ecap0 0 50000 0>; > + brightness-levels = <0 51 53 56 62 75 101 152 255>; > + default-brightness-level = <8>; > + }; > }; > > &am33xx_pinmux { > @@ -113,6 +120,13 @@ > >; > }; > > + ecap0_pins: pinmux_ecap0_pins { > + pinctrl-single,pins = < > + /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */ > + 0x164 0x0 > + >; > + }; > + > cpsw_default: cpsw_default { > pinctrl-single,pins = < > /* Slave 1 */ > @@ -222,6 +236,16 @@ > }; > }; > > +&epwmss0 { > + status = "okay"; > + > + ecap0: ecap at 48300100 { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&ecap0_pins>; > + }; > +}; > + > &gpmc { > status = "okay"; > pinctrl-names = "default"; >