Re: [PATCH v2 2/5] dt-bindings: input: Add document bindings for mtk-pmic-keys
From: Rob Herring <robh@kernel.org>
Date: 2017-08-10 20:41:41
Also in:
linux-arm-kernel, linux-devicetree, linux-input, linux-mediatek, lkml
On Mon, Aug 07, 2017 at 09:57:42AM +0800, Chen Zhong wrote:
quoted hunk ↗ jump to hunk
This patch adds the device tree binding documentation for the MediaTek pmic keys found on PMIC MT6397/MT6323. Signed-off-by: Chen Zhong <redacted> --- .../devicetree/bindings/input/mtk-pmic-keys.txt | 36 ++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/mtk-pmic-keys.txtdiff --git a/Documentation/devicetree/bindings/input/mtk-pmic-keys.txt b/Documentation/devicetree/bindings/input/mtk-pmic-keys.txt new file mode 100644 index 0000000..c5b230f --- /dev/null +++ b/Documentation/devicetree/bindings/input/mtk-pmic-keys.txt@@ -0,0 +1,36 @@ +MediaTek MT6397/MT6323 PMIC Keys Device Driver + +There are two key functions provided by MT6397/MT6323 PMIC, pwrkey +and homekey. The key functions are defined as the subnode of the function +node provided by MT6397/MT6323 PMIC that is being defined as one kind +of Muti-Function Device (MFD) + +For MT6397/MT6323 MFD bindings see: +Documentation/devicetree/bindings/mfd/mt6397.txt + +Required properties: +- compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys" +- mediatek,pwrkey-code: Keycode of pwrkey + +Optional Properties: +- mediatek,homekey-code: Keycode of homekey +- mediatek,long-press-mode: Long press key shutdown setting, 1 for + pwrkey only, 2 for pwrkey/homekey together, others for disabled. +- mediatek,long-press-duration: Long press key shutdown duration setting, + 0/1/2/3 for 8/11/14/5 seconds.
Surely this could be a common property.
+
+Example:
+
+ pmic: mt6397 {
+ compatible = "mediatek,mt6397";
+
+ ...
+
+ mt6397keys: mt6397keys {
+ compatible = "mediatek,mt6397-keys";
+ mediatek,pwrkey-code = <116>;
+ mediatek,homekey-code = <114>;We have a standard properties for keycodes.
+ mediatek,long-press-mode = <1>; + mediatek,long-press-duration = <0>; + }; + }; \ No newline at end of file -- 1.7.9.5