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Groups > linux.kernel > #1482961
| 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 |
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
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[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
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