From mboxrd@z Thu Jan 1 00:00:00 1970 From: hdegoede@redhat.com (Hans de Goede) Date: Fri, 20 Nov 2015 14:59:09 +0100 Subject: [PATCH 3/4] ARM: dts: sun4i: Add backlight node to pov protab2 ips9 tablet In-Reply-To: <1448027950-14629-1-git-send-email-hdegoede@redhat.com> References: <1448027950-14629-1-git-send-email-hdegoede@redhat.com> Message-ID: <1448027950-14629-3-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 pov protab2 ips9 tablet. Signed-off-by: Hans de Goede --- arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts b/arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts index 0e5124f..1f92ec7 100644 --- a/arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts +++ b/arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts @@ -47,6 +47,7 @@ #include #include #include +#include / { model = "Point of View Protab2-IPS9"; @@ -56,6 +57,16 @@ serial0 = &uart0; }; + backlight: backlight { + compatible = "pwm-backlight"; + pinctrl-names = "default"; + pinctrl-0 = <&bl_en_pin_protab>; + 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"; }; @@ -145,6 +156,13 @@ }; &pio { + bl_en_pin_protab: bl_en_pin at 0 { + allwinner,pins = "PH7"; + allwinner,function = "gpio_out"; + allwinner,drive = ; + allwinner,pull = ; + }; + touchscreen_pins: touchscreen_pins at 0 { allwinner,pins = "PA5", "PB13"; allwinner,function = "gpio_out"; @@ -167,6 +185,12 @@ }; }; +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pins_a>; + status = "okay"; +}; + ®_dcdc2 { regulator-always-on; regulator-min-microvolt = <1000000>; -- 2.5.0