[PATCH 1/4] ARM: mvebu: add gpio fan support to Armada 370 RD

Thomas Petazzoni
2014-09-11T09:56:56Z

The Armada 370 RD platform has a GPIO-controlled fan on MPP8, so this
commit adds the relevant hardware description to Armada 370 RD Device
Tree.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---
arch/arm/boot/dts/armada-370-rd.dts | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/arch/arm/boot/dts/armada-370-rd.dts b/arch/arm/boot/dts/armada-370-rd.dts
index 4169f40..7af04c4 100644
--- a/arch/arm/boot/dts/armada-370-rd.dts
+++ b/arch/arm/boot/dts/armada-370-rd.dts
@@ -50,6 +50,13 @@
};

internal-regs {
+ pinctrl {
+ fan_pins: fan-pins {
+ marvell,pins = "mpp8";
+ marvell,function = "gpio";
+ };
+ };
+
serial at 12000 {
status = "okay";
};
@@ -106,6 +113,14 @@
};
};

+ gpio-fan {
+ compatible = "gpio-fan";
+ gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+ gpio-fan,speed-map = <0 0 3000 1>;
+ pinctrl-0 = <&fan_pins>;
+ pinctrl-names = "default";
+ };
+
nand at d0000 {
status = "okay";
num-cs = <1>;
--
2.0.0