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authorAndreas Kaessens <akaessens@gmail.com>2021-06-10 15:24:38 +0200
committerLinus Walleij <linus.walleij@linaro.org>2021-06-12 01:58:10 +0200
commitee9889dfa969544ea4bbc3a406f2135a2bcaea69 (patch)
tree49e6898e969a30f1409be7e52b291f94e409e8f2
parentpinctrl: mcp23s08: Add optional reset GPIO (diff)
downloadlinux-dev-ee9889dfa969544ea4bbc3a406f2135a2bcaea69.tar.xz
linux-dev-ee9889dfa969544ea4bbc3a406f2135a2bcaea69.zip
dt-bindings: pinctrl: mcp23s08: add documentation for reset-gpios
The reset-gpios property is added to the optional dt-bindings and also an example for it's usage. Signed-off-by: Andreas Kaessens <akaessens@gmail.com> Signed-off-by: Darian Biastoch <d.biastoch@gmail.com> Link: https://lore.kernel.org/r/20210610132438.3085841-2-akaessens@gmail.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt2
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 6ec3c8d79f49..2fa5edac7a35 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt
@@ -49,6 +49,7 @@ Optional properties:
- 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.
+- reset-gpios: Corresponds to the active-low RESET# pin for the chip
Optional device specific properties:
- microchip,irq-mirror: Sets the mirror flag in the IOCON register. Devices
@@ -135,6 +136,7 @@ gpio21: gpio@21 {
microchip,irq-mirror;
pinctrl-names = "default";
pinctrl-0 = <&i2cgpio0irq>, <&gpio21pullups>;
+ reset-gpios = <&gpio6 15 GPIO_ACTIVE_LOW>;
gpio21pullups: pinmux {
pins = "gpio0", "gpio1", "gpio2", "gpio3",