[PATCH] ARM: bcm2835: add device tree for Raspberry Pi model B+

[Matthias Klein]

The model B and B+ differ in the GPIO lines for ACT and PWR led.
The PWR led on the B+ model is active low.

Signed-off-by: Matthias Klein <matthias.klein@xxxxxxxxx>
---
 arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 64 ++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 arch/arm/boot/dts/bcm2835-rpi-b-plus.dts

diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
new file mode 100644
index 0000000..c01d7cb
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
@@ -0,0 +1,64 @@
+/dts-v1/;
+/include/ "bcm2835.dtsi"
+
+/ {
+	compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
+	model = "Raspberry Pi Model B+";
+
+	memory {
+		reg = <0 0x10000000>;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		act {
+			label = "ACT";
+			gpios = <&gpio 47 1>;
+			default-state = "keep";
+			linux,default-trigger = "heartbeat";
+		};
+
+		pwr {
+			label = "PWR";
+			gpios = <&gpio 35 0>;
+			default-state = "keep";
+			linux,default-trigger = "default-on";
+		};
+	};
+};
+
+&gpio {
+	pinctrl-names = "default";
+	pinctrl-0 = <&gpioout &alt0 &alt3>;
+
+	gpioout: gpioout {
+		brcm,pins = <6>;
+		brcm,function = <1>; /* GPIO out */
+	};
+
+	alt0: alt0 {
+		brcm,pins = <0 1 2 3 4 5 7 8 9 10 11 14 15 40 45>;
+		brcm,function = <4>; /* alt0 */
+	};
+
+	alt3: alt3 {
+		brcm,pins = <48 49 50 51 52 53>;
+		brcm,function = <7>; /* alt3 */
+	};
+};
+
+&i2c0 {
+	status = "okay";
+	clock-frequency = <100000>;
+};
+
+&i2c1 {
+	status = "okay";
+	clock-frequency = <100000>;
+};
+
+&mmc {
+	status = "okay";
+	bus-width = <4>;
+};
-- 
2.1.2

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