[PATCH v4 3/5] dt-bindings: mfd: Add bindings for the keys as subnode of PMIC

From: Chen Zhong
Date: Sun Sep 17 2017 - 04:02:34 EST


This patch adds documentation for device tree bindings for keys support
as the subnode of MT6397/MT6323 PMIC.

Acked-by: Rob Herring <robh@xxxxxxxxxx>
Acked-for-MFD-by: Lee Jones <lee.jones@xxxxxxxxxx>
Signed-off-by: Chen Zhong <chen.zhong@xxxxxxxxxxxx>
---
Documentation/devicetree/bindings/mfd/mt6397.txt | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt
index 522a3bb..d1df77f 100644
--- a/Documentation/devicetree/bindings/mfd/mt6397.txt
+++ b/Documentation/devicetree/bindings/mfd/mt6397.txt
@@ -7,6 +7,7 @@ MT6397/MT6323 is a multifunction device with the following sub modules:
- GPIO
- Clock
- LED
+- Keys

It is interfaced to host controller using SPI interface by a proprietary hardware
called PMIC wrapper or pwrap. MT6397/MT6323 MFD is a child device of pwrap.
@@ -40,6 +41,11 @@ Optional subnodes:
- compatible: "mediatek,mt6323-led"
see Documentation/devicetree/bindings/leds/leds-mt6323.txt

+- keys
+ Required properties:
+ - compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys"
+ see Documentation/devicetree/bindings/input/mtk-pmic-keys.txt
+
Example:
pwrap: pwrap@1000f000 {
compatible = "mediatek,mt8135-pwrap";
--
1.7.9.5