From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Goede Subject: [PATCH 1/4] ARM: dts: sun4i: Add backlight node to iNet1 tablet Date: Fri, 20 Nov 2015 14:59:07 +0100 Message-ID: <1448027950-14629-1-git-send-email-hdegoede@redhat.com> Reply-To: hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Maxime Ripard , Chen-Yu Tsai Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree , linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Hans de Goede List-Id: devicetree@vger.kernel.org Add a node describing the lcd panel backlight on the iNet1 tablet. Signed-off-by: Hans de Goede --- arch/arm/boot/dts/sun4i-a10-inet1.dts | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm/boot/dts/sun4i-a10-inet1.dts b/arch/arm/boot/dts/sun4i-a10-inet1.dts index 703d756..df1be08 100644 --- a/arch/arm/boot/dts/sun4i-a10-inet1.dts +++ b/arch/arm/boot/dts/sun4i-a10-inet1.dts @@ -47,6 +47,7 @@ #include #include #include +#include / { model = "iNet-1"; @@ -56,6 +57,16 @@ serial0 = &uart0; }; + backlight: backlight { + compatible = "pwm-backlight"; + pinctrl-names = "default"; + pinctrl-0 = <&bl_en_pin_inet>; + pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; + brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; + default-brightness-level = <8>; + enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */ + }; + chosen { stdout-path = "serial0:115200n8"; }; @@ -164,6 +175,13 @@ }; &pio { + bl_en_pin_inet: bl_en_pin@0 { + allwinner,pins = "PH7"; + allwinner,function = "gpio_out"; + allwinner,drive = ; + allwinner,pull = ; + }; + touchscreen_wake_pin: touchscreen_wake_pin@0 { allwinner,pins = "PB13"; allwinner,function = "gpio_out"; @@ -186,6 +204,12 @@ }; }; +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pins_a>; + status = "okay"; +}; + ®_dcdc2 { regulator-always-on; regulator-min-microvolt = <1000000>; -- 2.5.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: hdegoede@redhat.com (Hans de Goede) Date: Fri, 20 Nov 2015 14:59:07 +0100 Subject: [PATCH 1/4] ARM: dts: sun4i: Add backlight node to iNet1 tablet Message-ID: <1448027950-14629-1-git-send-email-hdegoede@redhat.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add a node describing the lcd panel backlight on the iNet1 tablet. Signed-off-by: Hans de Goede --- arch/arm/boot/dts/sun4i-a10-inet1.dts | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm/boot/dts/sun4i-a10-inet1.dts b/arch/arm/boot/dts/sun4i-a10-inet1.dts index 703d756..df1be08 100644 --- a/arch/arm/boot/dts/sun4i-a10-inet1.dts +++ b/arch/arm/boot/dts/sun4i-a10-inet1.dts @@ -47,6 +47,7 @@ #include #include #include +#include / { model = "iNet-1"; @@ -56,6 +57,16 @@ serial0 = &uart0; }; + backlight: backlight { + compatible = "pwm-backlight"; + pinctrl-names = "default"; + pinctrl-0 = <&bl_en_pin_inet>; + pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; + brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; + default-brightness-level = <8>; + enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */ + }; + chosen { stdout-path = "serial0:115200n8"; }; @@ -164,6 +175,13 @@ }; &pio { + bl_en_pin_inet: bl_en_pin at 0 { + allwinner,pins = "PH7"; + allwinner,function = "gpio_out"; + allwinner,drive = ; + allwinner,pull = ; + }; + touchscreen_wake_pin: touchscreen_wake_pin at 0 { allwinner,pins = "PB13"; allwinner,function = "gpio_out"; @@ -186,6 +204,12 @@ }; }; +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pins_a>; + status = "okay"; +}; + ®_dcdc2 { regulator-always-on; regulator-min-microvolt = <1000000>; -- 2.5.0