diff options
| author | Anson Huang <Anson.Huang@nxp.com> | 2018-07-03 09:18:14 +0800 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2018-07-09 15:02:13 +0200 |
| commit | f8b52dd50ccdae7efc42ef54278f29d2f9d6cb36 (patch) | |
| tree | 811e39acb3750f5ef5bdba01f0c9dfe050e6e48b /Documentation/devicetree | |
| parent | 8512486ba2d441187d6d619006f034704a3e5a31 (diff) | |
gpio: mxc: Add clocks optional binding for imx gpio
Some i.MX SoCs have GPIO clock gate in CCM, accessing
GPIO registers needs to enable GPIO clock gate first,
i.MX GPIO driver will enable clock gate if there is
clock property in GPIO node of dtb, add optional property
to i.MX GPIO binding doc.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt b/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt index dbd22e0df21e..b4cd9f906c24 100644 --- a/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt +++ b/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt @@ -19,6 +19,9 @@ Required properties: 4 = active high level-sensitive. 8 = active low level-sensitive. +Optional properties: +- clocks: the clock for clocking the GPIO silicon + Example: gpio0: gpio@73f84000 { |