This flag set the mcp23s08 device series irq type to open drain active low.
Signed-off-by: Phil Reid <preid@xxxxxxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt
index 8a5bf99..7a0808f 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt
@@ -58,6 +58,8 @@ Optional device specific properties:
On devices with only one interrupt output this property is useless.
- microchip,irq-active-high: Sets the INTPOL flag in the IOCON register. This
configures the IRQ output polarity as active high.
+- microchip,irq-open-drain: Sets the ODR flag in the IOCON register. This
+ configures the IRQ output as open drain active low.
Example I2C (with interrupt):
gpiom1: gpio@20 {
--
1.8.3.1
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