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authorSean Cross <xobs@kosagi.com>2014-09-12 11:18:34 +0800
committerLee Jones <lee.jones@linaro.org>2014-09-26 08:23:54 +0100
commit0bf1f0cda11ef34765fd5e0bef9771785658fb91 (patch)
treea0d2adcb5df023a9b691ec8ca51fdf4ea676e4ec
parent851ec59614d8cd0d122319c32a5be0f8799d36be (diff)
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mfd: stmpe: Document DT binding for irq_over_gpio
STMPE now supports using a GPIO as an IRQ source. Document the device tree binding for this option. Signed-off-by: Sean Cross <xobs@kosagi.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
-rw-r--r--Documentation/devicetree/bindings/mfd/stmpe.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/stmpe.txt b/Documentation/devicetree/bindings/mfd/stmpe.txt
index 56edb5520685..3fb68bfefc8b 100644
--- a/Documentation/devicetree/bindings/mfd/stmpe.txt
+++ b/Documentation/devicetree/bindings/mfd/stmpe.txt
@@ -13,6 +13,7 @@ Optional properties:
- interrupt-parent : Specifies which IRQ controller we're connected to
- wakeup-source : Marks the input device as wakable
- st,autosleep-timeout : Valid entries (ms); 4, 16, 32, 64, 128, 256, 512 and 1024
+ - irq-gpio : If present, which GPIO to use for event IRQ
Example: