[PATCH 2/2] mfd: dt-bindings: Add bindings for the MediaTek MT6397 PMIC
Lee Jones
lee.jones at linaro.org
Thu Feb 26 03:15:39 PST 2015
On Sun, 22 Feb 2015, Sascha Hauer wrote:
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> ---
> Documentation/devicetree/bindings/mfd/mt6397.txt | 70 ++++++++++++++++++++++++
> 1 file changed, 70 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/mt6397.txt
Binding looks pretty inert.
Applied, thanks.
> diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt
> new file mode 100644
> index 0000000..15043e6
> --- /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 at 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>;
> + };
> + };
> + };
> + };
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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