Add device tree properties for twl4030/gpio, according to the
platform data of corresponding boards. This enables the led
connected to LEDB output for both boards, as well as
pullups/pulldowns on GPIO for the BeagleBoard.
Signed-off-by: Florian Vaussard <florian.vauss...@epfl.ch>
---
arch/arm/boot/dts/omap3-beagle.dts | 20 ++++++++++++++++++++
arch/arm/boot/dts/omap3-evm.dts | 13 +++++++++++++
2 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/omap3-beagle.dts
b/arch/arm/boot/dts/omap3-beagle.dts
index cdcb98c..16bff8b 100644
--- a/arch/arm/boot/dts/omap3-beagle.dts
+++ b/arch/arm/boot/dts/omap3-beagle.dts
@@ -17,6 +17,14 @@
device_type = "memory";
reg = <0x80000000 0x20000000>; /* 512 MB */
};
+
+ leds {
+ compatible = "gpio-leds";
+ pmu_stat {
+ label = "beagleboard::pmu_stat";
+ gpios = <&twl_gpio 19 0>; /* LEDB */
+ };
+ };
};
&i2c1 {
@@ -67,3 +75,15 @@
&mmc3 {
status = "disabled";
};
+
+&twl_gpio {
+ ti,use-leds = "true";
+ /* pullups: BIT(1) */
+ ti,pullups = <2>;
+ /*
+ * pulldowns:
+ * BIT(2), BIT(6), BIT(7), BIT(8), BIT(13)
+ * BIT(15), BIT(16), BIT(17)
+ */
+ ti,pulldowns = <238020>;
+};
diff --git a/arch/arm/boot/dts/omap3-evm.dts b/arch/arm/boot/dts/omap3-evm.dts
index f349ee9..f1e18fe 100644
--- a/arch/arm/boot/dts/omap3-evm.dts
+++ b/arch/arm/boot/dts/omap3-evm.dts
@@ -17,6 +17,15 @@
device_type = "memory";
reg = <0x80000000 0x10000000>; /* 256 MB */
};
+
+ leds {
+ compatible = "gpio-leds";
+ ledb {
+ label = "omap3evm::ledb";
+ gpios = <&twl_gpio 19 0>; /* LEDB */
+ linux,default-trigger = "default-on";
+ };
+ };
};
&i2c1 {
@@ -46,3 +55,7 @@
reg = <0x5c>;
};
};
+
+&twl_gpio {
+ ti,use-leds = "true";
+};
--
1.7.5.4
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