From: Adam Ford <aford173@xxxxxxxxx>
The backlight bindings require a regulator. If one is missing, the
system generates an warning. This patch creates a dummy regulator
for the backlight to eliminate this warning.
Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
diff --git a/arch/arm/boot/dts/logicpd-som-lv-37xx-devkit.dts b/arch/arm/boot/dts/logicpd-som-lv-37xx-devkit.dts
index da85984..9276070 100644
--- a/arch/arm/boot/dts/logicpd-som-lv-37xx-devkit.dts
+++ b/arch/arm/boot/dts/logicpd-som-lv-37xx-devkit.dts
@@ -144,6 +144,12 @@
};
};
+ backlight_reg: backlight_reg {
+ regulator-name = "backlight-supply";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
bl: backlight {
compatible = "pwm-backlight";
pinctrl-names = "default";
@@ -151,6 +157,7 @@
pwms = <&twl_pwm 0 5000000>;
brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
default-brightness-level = <7>;
+ power-supply = <&backlight_reg>;
enable-gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>; /* gpio_8 */
};
};
diff --git a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
index 08cce17..8741c47 100644
--- a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
+++ b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts
@@ -177,6 +177,12 @@
};
};
+ backlight_reg: backlight_reg {
+ regulator-name = "backlight-supply";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
bl: backlight {
compatible = "pwm-backlight";
pinctrl-names = "default";
@@ -184,6 +190,7 @@
pwms = <&pwm10 0 5000000 0>;
brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
default-brightness-level = <7>;
+ power-supply = <&backlight_reg>;
enable-gpios = <&gpio5 26 GPIO_ACTIVE_HIGH>; /* gpio_154 */
};
};
--
2.7.4
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
