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authorChen Zhong <chen.zhong@mediatek.com>2017-10-25 16:16:02 +0300
committerLee Jones <lee.jones@linaro.org>2018-04-16 17:16:10 +0300
commit8f59e8cb90e8b8af6576800a358808f2868f573a (patch)
tree798de6e3d161a313d65f0719ead840f46b62fb9b /Documentation/devicetree/bindings/mfd
parent61217795decb422c2c3767cb76d5cc88ad85be26 (diff)
downloadlinux-8f59e8cb90e8b8af6576800a358808f2868f573a.tar.xz
dt-bindings: mfd: Add bindings for the keys as subnode of PMIC
This patch adds documentation for device tree bindings for keys support as the subnode of MT6397/MT6323 PMIC. Signed-off-by: Chen Zhong <chen.zhong@mediatek.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd')
-rw-r--r--Documentation/devicetree/bindings/mfd/mt6397.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt
index 522a3bbf1bac..d1df77f4d655 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";