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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2012-08-16 16:13:14 +0400
committerSamuel Ortiz <sameo@linux.intel.com>2012-09-19 14:21:20 +0400
commit5cbe786a6e32e80149f7b29def50b2bf563f6628 (patch)
tree60dd5b609a0bb3c7515810dd6ac639bb3c163816 /Documentation/devicetree/bindings/mfd/twl6040.txt
parent35736dce6c05bab8e8b1eb7c74f5b8b0fbb7886d (diff)
downloadlinux-5cbe786a6e32e80149f7b29def50b2bf563f6628.tar.xz
mfd: twl6040: Add twl6040-gpio child
Add needed platform data structure and code to be able to load the GPO child of twl6040. Update the devicetree binding documentation at the same time. Signed-off-by: Sergio Aguirre <saaguirre@ti.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/twl6040.txt')
-rw-r--r--Documentation/devicetree/bindings/mfd/twl6040.txt9
1 files changed, 6 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/mfd/twl6040.txt b/Documentation/devicetree/bindings/mfd/twl6040.txt
index c855240f3a0e..0f5dd709d752 100644
--- a/Documentation/devicetree/bindings/mfd/twl6040.txt
+++ b/Documentation/devicetree/bindings/mfd/twl6040.txt
@@ -1,7 +1,7 @@
Texas Instruments TWL6040 family
-The TWL6040s are 8-channel high quality low-power audio codecs providing audio
-and vibra functionality on OMAP4+ platforms.
+The TWL6040s are 8-channel high quality low-power audio codecs providing audio,
+vibra and GPO functionality on OMAP4+ platforms.
They are connected ot the host processor via i2c for commands, McPDM for audio
data and commands.
@@ -10,6 +10,8 @@ Required properties:
- reg: must be 0x4b for i2c address
- interrupts: twl6040 has one interrupt line connecteded to the main SoC
- interrupt-parent: The parent interrupt controller
+- gpio-controller:
+- #gpio-cells = <1>: twl6040 provides GPO lines.
- twl6040,audpwron-gpio: Power on GPIO line for the twl6040
- vio-supply: Regulator for the twl6040 VIO supply
@@ -37,7 +39,6 @@ Example:
&i2c1 {
twl6040: twl@4b {
compatible = "ti,twl6040";
- reg = <0x4b>;
interrupts = <0 119 4>;
interrupt-parent = <&gic>;
@@ -60,3 +61,5 @@ Example:
};
};
};
+
+/include/ "twl6040.dtsi"