From: Sanchayan Maity <maitysanchayan@gmail.com>
To: shawnguo@kernel.org
Cc: marcel.ziswiler@toradex.com, stefan@agner.ch,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Sanchayan Maity <maitysanchayan@gmail.com>
Subject: [PATCH v1 3/3] ARM: dts: imx6qdl-apalis: Use enable-gpios property for backlight
Date: Wed, 14 Sep 2016 12:05:05 +0530 [thread overview]
Message-ID: <dff8d58c4021719184af2c83773e86f175ad910e.1473833908.git.maitysanchayan@gmail.com> (raw)
In-Reply-To: <9d2c17aa2e00e6ff4349a53de8247860d2382607.1473833908.git.maitysanchayan@gmail.com>
In-Reply-To: <9d2c17aa2e00e6ff4349a53de8247860d2382607.1473833908.git.maitysanchayan@gmail.com>
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
next prev parent reply other threads:[~2016-09-14 6:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-14 6:35 [PATCH v1 1/3] ARM: dts: imx6qdl-apalis: Do not rely on DDC I2C bus bitbang for HDMI Sanchayan Maity
2016-09-14 6:35 ` [PATCH v1 2/3] ARM: dts: imx6q-apalis-ixora: Remove use of pwm-leds Sanchayan Maity
2016-09-14 15:58 ` Stefan Agner
2016-09-14 18:28 ` Marcel Ziswiler
2016-09-16 13:38 ` Marcel Ziswiler
2016-09-14 6:35 ` Sanchayan Maity [this message]
2016-09-16 13:38 ` [PATCH v1 3/3] ARM: dts: imx6qdl-apalis: Use enable-gpios property for backlight Marcel Ziswiler
2016-09-17 4:45 ` maitysanchayan
2016-09-16 13:38 ` [PATCH v1 1/3] ARM: dts: imx6qdl-apalis: Do not rely on DDC I2C bus bitbang for HDMI Marcel Ziswiler
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=dff8d58c4021719184af2c83773e86f175ad910e.1473833908.git.maitysanchayan@gmail.com \
--to=maitysanchayan@gmail.com \
--cc=devicetree@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=marcel.ziswiler@toradex.com \
--cc=shawnguo@kernel.org \
--cc=stefan@agner.ch \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®