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| author | Phil Reid <preid@electromag.com.au> | 2018-02-19 17:25:19 +0800 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2018-02-22 16:06:05 +0100 |
| commit | 39aba4714da62946ef9d081ab6e41462517ccb34 (patch) | |
| tree | 1c9356e34658888d8d203c87b59c234dc33c9a81 | |
| parent | d9f50048dc8004091a022e93312846175a5ffe7f (diff) | |
dt-bindings: pinctrl: mcp23s08: add documentation for drive-open-drain
This flag set the mcp23s08 device irq type to open drain active low.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt index 9c451c20dda4..a5a8322a31bd 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt @@ -45,6 +45,8 @@ Optional properties: - first cell is the pin number - second cell is used to specify flags. - interrupt-controller: Marks the device node as a interrupt controller. +- drive-open-drain: Sets the ODR flag in the IOCON register. This configures + the IRQ output as open drain active low. Optional device specific properties: - microchip,irq-mirror: Sets the mirror flag in the IOCON register. Devices |