[PATCH V5 6/9] ARM: mxs: Provide regulator to pwm-backlight
From: Andrew Chew <hidden>
Date: 2013-03-26 01:21:50
Also in:
linux-samsung-soc, linux-tegra
Subsystem:
the rest · Maintainer:
Linus Torvalds
The pwm-backlight driver now takes a mandatory regulator that is gotten during driver probe. Initialize a dummy regulator to satisfy this requirement. Signed-off-by: Andrew Chew <redacted> Acked-by: Alexandre Courbot <acourbot@nvidia.com> --- Moved backlight power regulator into top-level regulators node. arch/arm/boot/dts/imx23-evk.dts | 6 ++++++ arch/arm/boot/dts/imx28-apf28dev.dts | 6 ++++++ arch/arm/boot/dts/imx28-cfa10049.dts | 6 ++++++ arch/arm/boot/dts/imx28-evk.dts | 6 ++++++ arch/arm/boot/dts/imx28-tx28.dts | 11 +++++++++++ 5 files changed, 35 insertions(+)
diff --git a/arch/arm/boot/dts/imx23-evk.dts b/arch/arm/boot/dts/imx23-evk.dts
index 035c13f..ce5048e 100644
--- a/arch/arm/boot/dts/imx23-evk.dts
+++ b/arch/arm/boot/dts/imx23-evk.dts@@ -95,6 +95,11 @@ regulator-max-microvolt = <3300000>; gpio = <&gpio1 29 0>; }; + + reg_backlight_power: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight-power"; + }; }; backlight {
@@ -102,5 +107,6 @@ pwms = <&pwm 2 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + power-supply = <®_backlight_power>; }; };
diff --git a/arch/arm/boot/dts/imx28-apf28dev.dts b/arch/arm/boot/dts/imx28-apf28dev.dts
index 6d8865b..e354dc5 100644
--- a/arch/arm/boot/dts/imx28-apf28dev.dts
+++ b/arch/arm/boot/dts/imx28-apf28dev.dts@@ -132,6 +132,11 @@ regulator-max-microvolt = <5000000>; gpio = <&gpio1 23 1>; }; + + reg_backlight_power: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight-power"; + }; }; leds {
@@ -150,5 +155,6 @@ pwms = <&pwm 3 191000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + power-supply = <®_backlight_power>; }; };
diff --git a/arch/arm/boot/dts/imx28-cfa10049.dts b/arch/arm/boot/dts/imx28-cfa10049.dts
index a0d3e9f..a6eddd6 100644
--- a/arch/arm/boot/dts/imx28-cfa10049.dts
+++ b/arch/arm/boot/dts/imx28-cfa10049.dts@@ -205,6 +205,11 @@ regulator-max-microvolt = <5000000>; gpio = <&gpio0 7 1>; }; + + reg_backlight_power: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight-power"; + }; }; ahb at 80080000 {
@@ -304,5 +309,6 @@ pwms = <&pwm 3 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + power-supply = <®_backlight_power>; }; };
diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts
index 2da316e..7ba7216 100644
--- a/arch/arm/boot/dts/imx28-evk.dts
+++ b/arch/arm/boot/dts/imx28-evk.dts@@ -285,6 +285,11 @@ gpio = <&gpio3 8 0>; enable-active-high; }; + + reg_backlight_power: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight-power"; + }; }; sound {
@@ -312,5 +317,6 @@ pwms = <&pwm 2 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + power-supply = <®_backlight_power>; }; };
diff --git a/arch/arm/boot/dts/imx28-tx28.dts b/arch/arm/boot/dts/imx28-tx28.dts
index 37be532..7fa5a44 100644
--- a/arch/arm/boot/dts/imx28-tx28.dts
+++ b/arch/arm/boot/dts/imx28-tx28.dts@@ -97,6 +97,16 @@ }; }; + regulators { + compatible = "simple-bus"; + + reg_backlight_power: fixed-regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight-power"; + }; + }; + + leds { compatible = "gpio-leds";
@@ -112,5 +122,6 @@ pwms = <&pwm 0 5000000>; brightness-levels = <0 4 8 16 32 64 128 255>; default-brightness-level = <6>; + power-supply = <®_backlight_power>; }; };
--
1.8.1.5