From: tharvey@gateworks.com (Tim Harvey)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] ARM: dts: imx: add LVDS backlight for Ventana
Date: Wed, 30 Apr 2014 23:32:30 -0700 [thread overview]
Message-ID: <1398925950-26081-1-git-send-email-tharvey@gateworks.com> (raw)
In-Reply-To: <20140429060106.GG16451@dragon>
The GW54xx/GW53xx/GW52xx all support LVDS with a PWM controlled backlight.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
---
arch/arm/boot/dts/imx6qdl-gw52xx.dtsi | 19 +++++++++++++++++++
arch/arm/boot/dts/imx6qdl-gw53xx.dtsi | 19 +++++++++++++++++++
arch/arm/boot/dts/imx6qdl-gw54xx.dtsi | 19 +++++++++++++++++++
3 files changed, 57 insertions(+)
diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
index 1022197..62f533a 100644
--- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
@@ -27,6 +27,13 @@
bootargs = "console=ttymxc1,115200";
};
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm4 0 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <7>;
+ };
+
leds {
compatible = "gpio-leds";
@@ -399,6 +406,12 @@
>;
};
+ pinctrl_pwm4: pwm4grp {
+ fsl,pins = <
+ MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1
@@ -448,6 +461,12 @@
status = "okay";
};
+&pwm4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm4>;
+ status = "okay";
+};
+
&ssi1 {
fsl,mode = "i2s-slave";
status = "okay";
diff --git a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
index ef7bd99..c2284c8 100644
--- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
@@ -30,6 +30,13 @@
bootargs = "console=ttymxc1,115200";
};
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm4 0 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <7>;
+ };
+
leds {
compatible = "gpio-leds";
@@ -439,6 +446,12 @@
>;
};
+ pinctrl_pwm4: pwm4grp {
+ fsl,pins = <
+ MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1
@@ -513,6 +526,12 @@
};
};
+&pwm4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm4>;
+ status = "okay";
+};
+
&ssi1 {
fsl,mode = "i2s-slave";
status = "okay";
diff --git a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
index 4ce8f68..9aa95c8 100644
--- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
@@ -30,6 +30,13 @@
bootargs = "console=ttymxc1,115200";
};
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm4 0 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <7>;
+ };
+
leds {
compatible = "gpio-leds";
@@ -461,6 +468,12 @@
>;
};
+ pinctrl_pwm4: pwm4grp {
+ fsl,pins = <
+ MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA 0x1b0b1
@@ -535,6 +548,12 @@
};
};
+&pwm4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm4>;
+ status = "okay";
+};
+
&ssi1 {
fsl,mode = "i2s-slave";
status = "okay";
--
1.8.3.2
next prev parent reply other threads:[~2014-05-01 6:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-24 22:07 [PATCH 0/3] ARM: dts: imx: various fixes for LVDS on Ventana Tim Harvey
2014-04-24 22:07 ` [PATCH 1/3] ARM: dts: imx: Fix LVDS mapping for Ventana GW53xx/GW54xx Tim Harvey
2014-04-24 22:07 ` [PATCH 2/3] ARM: dts: imx: add LVDS backlight for Ventana Tim Harvey
2014-04-29 6:01 ` Shawn Guo
2014-05-01 6:32 ` Tim Harvey [this message]
2014-05-04 12:38 ` [PATCH 1/2] " Shawn Guo
2014-04-24 22:07 ` [PATCH 3/3] ARM: dts: imx: Fix LVDS mapping for Ventana GW52xx Tim Harvey
2014-04-29 5:55 ` Shawn Guo
2014-05-01 6:34 ` [PATCH 2/2] " Tim Harvey
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