Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1482961

[PATCH v1 3/3] ARM: dts: imx6qdl-apalis: Use enable-gpios property for backlight

From Sanchayan Maity <maitysanchayan@gmail.com>
Newsgroups linux.kernel
Subject [PATCH v1 3/3] ARM: dts: imx6qdl-apalis: Use enable-gpios property for backlight
Date 2016-09-14 08:50 +0200
Message-ID <shcb8-5My-13@gated-at.bofh.it> (permalink)
References <shcb8-5My-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Use enable-gpios property of PWM backlight driver for backlight
control. While at it also fix the use of brightness levels required
by EDT displays which require inverted PWM's.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
---
 arch/arm/boot/dts/imx6qdl-apalis.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
index 8c67dd8..9100bde 100644
--- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
@@ -49,7 +49,10 @@
 
 	backlight: backlight {
 		compatible = "pwm-backlight";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_gpio_bl_on>;
 		pwms = <&pwm4 0 5000000>;
+		enable-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
 		status = "disabled";
 	};
 
@@ -614,6 +617,12 @@
 		>;
 	};
 
+	pinctrl_gpio_bl_on: gpioblon {
+		fsl,pins = <
+			MX6QDL_PAD_EIM_DA13__GPIO3_IO13 0x1b0b0
+		>;
+	};
+
 	pinctrl_gpio_keys: gpio1io04grp {
 		fsl,pins = <
 			/* Power button */
-- 
2.9.3

Back to linux.kernel | Previous | NextNext in thread | Find similar | Unroll thread


Thread

[PATCH v1 3/3] ARM: dts: imx6qdl-apalis: Use enable-gpios property for backlight Sanchayan Maity <maitysanchayan@gmail.com> - 2016-09-14 08:50 +0200
  Re: [PATCH v1 3/3] ARM: dts: imx6qdl-apalis: Use enable-gpios  property for backlight Marcel Ziswiler <marcel.ziswiler@toradex.com> - 2016-09-16 19:20 +0200
    Re: [PATCH v1 3/3] ARM: dts: imx6qdl-apalis: Use enable-gpios  property for backlight maitysanchayan@gmail.com - 2016-09-17 07:00 +0200

csiph-web