linux-kernel - [PATCH v3 3/3] ARM: dts: vf-colibri: add carrier boards 3.3V supply

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Message-Id: <1455752460-2770-3-git-send-email-stefan@agner.ch>
Date:	Wed, 17 Feb 2016 15:41:00 -0800
From:	Stefan Agner <stefan@...er.ch>
To:	shawnguo@...nel.org, kernel@...gutronix.de
Cc:	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, marcel@...wiler.com,
	Stefan Agner <stefan@...er.ch>
Subject: [PATCH v3 3/3] ARM: dts: vf-colibri: add carrier boards 3.3V supply

Add the carrier boards 3.3V supply as fixed regulator. This allows
to specify the power supply for nodes like backlight.

Signed-off-by: Stefan Agner <stefan@...er.ch>
---
Changes since v2:
- remove regulator-always-on

 arch/arm/boot/dts/vf-colibri-eval-v3.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
index 291e939..4d8b7f6 100644
--- a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
@@ -50,6 +50,13 @@
 		clock-frequency = <16000000>;
 	};
 
+	reg_3v3: regulator-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
 	reg_5v0: regulator-5v0 {
 		compatible = "regulator-fixed";
 		regulator-name = "5V";
@@ -72,6 +79,7 @@
 &bl {
 	brightness-levels = <0 4 8 16 32 64 128 255>;
 	default-brightness-level = <6>;
+	power-supply = <&reg_3v3>;
 	status  = "okay";
 };
 
@@ -122,6 +130,10 @@
 	status = "okay";
 };
 
+&reg_module_3v3 {
+	vin-supply = <&reg_3v3>;
+};
+
 &uart0 {
 	status = "okay";
 };
-- 
2.7.1