From: Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Maxime Ripard
<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>,
Linus Walleij
<linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: [PATCH 2/2] ARM: dts: sun8i: Add backlight / pwm nodes to sun8i-a23-gt90h-v4
Date: Sun, 13 Mar 2016 08:39:37 +0100 [thread overview]
Message-ID: <1457854777-15825-2-git-send-email-hdegoede@redhat.com> (raw)
In-Reply-To: <1457854777-15825-1-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Add nodes for the backlight / pwm found on a23-gt90h-v4 tablets.
Signed-off-by: Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
---
arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts b/arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts
index 6a22ee3..1be8d5f 100644
--- a/arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts
+++ b/arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts
@@ -47,6 +47,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/pinctrl/sun4i-a10.h>
+#include <dt-bindings/pwm/pwm.h>
/ {
model = "Allwinner GT90H Quad Core Tablet (v4)";
@@ -56,6 +57,16 @@
serial0 = &r_uart;
};
+ backlight: backlight {
+ compatible = "pwm-backlight";
+ pinctrl-names = "default";
+ pinctrl-0 = <&bl_en_pin_gt90h>;
+ 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 6 GPIO_ACTIVE_HIGH>; /* PH6 */
+ };
+
chosen {
stdout-path = "serial0:115200n8";
};
@@ -115,6 +126,13 @@
};
&pio {
+ bl_en_pin_gt90h: bl_en_pin@0 {
+ allwinner,pins = "PH6";
+ allwinner,function = "gpio_in";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
+
mmc0_cd_pin_gt90h: mmc0_cd_pin@0 {
allwinner,pins = "PB4";
allwinner,function = "gpio_in";
@@ -123,6 +141,12 @@
};
};
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm0_pins>;
+ status = "okay";
+};
+
&r_rsb {
status = "okay";
--
2.7.2
next prev parent reply other threads:[~2016-03-13 7:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-13 7:39 [PATCH 1/2] ARM: dts: sun8i: Add pmic nodes to sun8i-a23-gt90h-v4 Hans de Goede
[not found] ` <1457854777-15825-1-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-03-13 7:39 ` Hans de Goede [this message]
[not found] ` <1457854777-15825-2-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-03-13 21:46 ` [PATCH 2/2] ARM: dts: sun8i: Add backlight / pwm " Maxime Ripard
2016-03-13 21:45 ` [PATCH 1/2] ARM: dts: sun8i: Add pmic " Maxime Ripard
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