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Date: Fri, 29 Jun 2018 11:30:04 +0800 From: Anson Huang <Anson.Huang@....com> To: linus.walleij@...aro.org, robh+dt@...nel.org, mark.rutland@....com, linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org Cc: Linux-imx@....com Subject: [PATCH] bindings: 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@....com> --- Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt b/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt index dbd22e0..1b3eed0 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 clocks used by gpio bank + Example: gpio0: gpio@...84000 { -- 2.7.4
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