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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-02-22 13:15:30 +0100 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2015-03-04 08:18:27 +0000 |
| commit | d3591df3fada3f4cd6cf60f0f56e87744749018d (patch) | |
| tree | c2d8290b82d9b46bb2cad5a95aab869e0fccca87 | |
| parent | 6df8dd5c185b212d3d7364402df58bff0e67ace4 (diff) | |
| download | lwn-d3591df3fada3f4cd6cf60f0f56e87744749018d.tar.gz lwn-d3591df3fada3f4cd6cf60f0f56e87744749018d.zip | |
mfd: dt-bindings: Add bindings for the MediaTek MT6397 PMIC
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/mt6397.txt | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt new file mode 100644 index 000000000000..15043e652699 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/mt6397.txt @@ -0,0 +1,70 @@ +MediaTek MT6397 Multifunction Device Driver + +MT6397 is a multifunction device with the following sub modules: +- Regulator +- RTC +- Audio codec +- GPIO +- Clock + +It is interfaced to host controller using SPI interface by a proprietary hardware +called PMIC wrapper or pwrap. MT6397 MFD is a child device of pwrap. +See the following for pwarp node definitions: +Documentation/devicetree/bindings/soc/pwrap.txt + +This document describes the binding for MFD device and its sub module. + +Required properties: +compatible: "mediatek,mt6397" + +Optional subnodes: + +- rtc + Required properties: + - compatible: "mediatek,mt6397-rtc" +- regulators + Required properties: + - compatible: "mediatek,mt6397-regulator" + see Documentation/devicetree/bindings/regulator/mt6397-regulator.txt +- codec + Required properties: + - compatible: "mediatek,mt6397-codec" +- clk + Required properties: + - compatible: "mediatek,mt6397-clk" + +Example: + pwrap: pwrap@1000f000 { + compatible = "mediatek,mt8135-pwrap"; + + ... + + pmic { + compatible = "mediatek,mt6397"; + + codec: mt6397codec { + compatible = "mediatek,mt6397-codec"; + }; + + regulators { + compatible = "mediatek,mt6397-regulator"; + + mt6397_vpca15_reg: buck_vpca15 { + regulator-compatible = "buck_vpca15"; + regulator-name = "vpca15"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <1400000>; + regulator-ramp-delay = <12500>; + regulator-always-on; + }; + + mt6397_vgp4_reg: ldo_vgp4 { + regulator-compatible = "ldo_vgp4"; + regulator-name = "vgp4"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3300000>; + regulator-enable-ramp-delay = <218>; + }; + }; + }; + }; |