Re: [PATCH v3 2/5] dt-bindings: input: Add document bindings for mtk-pmic-keys
From: Rob Herring <hidden>
Date: 2017-08-31 19:52:43
Also in:
linux-arm-kernel, linux-devicetree, linux-mediatek, linux-rtc, lkml
On Fri, Aug 25, 2017 at 02:32:30PM +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 <chen.zhong-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> --- .../devicetree/bindings/input/mtk-pmic-keys.txt | 38 ++++++++++++++++++++ 1 file changed, 38 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..100ec44 --- /dev/null +++ b/Documentation/devicetree/bindings/input/mtk-pmic-keys.txt@@ -0,0 +1,38 @@ +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" +- linux,keycodes: Specifies the numeric keycode values to + be used for reporting keys presses. The array can + contain up to 2 entries. + +Optional Properties: +- wakeup-source: each key can be used as a wakeup source.
wakeup-source is defined as a boolean.
+- mediatek,long-press-mode: Long press key shutdown setting, 1 for
+ pwrkey only, 2 for pwrkey/homekey together, others for disabled.
+- debounce-interval: Long press key shutdown debouncing interval time
+ in seconds. 0/1/2/3 for 8/11/14/5 seconds. If not specified defaults to 0.
+
+Example:
+
+ pmic: mt6397 {
+ compatible = "mediatek,mt6397";
+
+ ...
+
+ mt6397keys: mt6397keys {
+ compatible = "mediatek,mt6397-keys";
+ linux,keycodes = <KEY_POWER>, <KEY_VOLUMEDOWN>;
+ wakeup-source = <1>, <0>;
+ mediatek,long-press-mode = <1>;
+ debounce-interval = <0>;
+ };
+ };
--
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