From 0709b048cea5a368e078e10fa25adc030392125a Mon Sep 17 00:00:00 2001 From: Guodong Xu Date: Mon, 1 Sep 2014 16:28:33 +0800 Subject: [PATCH] mfd: dt-bindings: Add Device Tree bindings for HI6421 Add documentation for HiSilicon Hi6421 PMIC DT binding. Signed-off-by: Guodong Xu Signed-off-by: Lee Jones --- .../devicetree/bindings/mfd/hi6421.txt | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/hi6421.txt diff --git a/Documentation/devicetree/bindings/mfd/hi6421.txt b/Documentation/devicetree/bindings/mfd/hi6421.txt new file mode 100644 index 000000000000..0d5a4466a494 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/hi6421.txt @@ -0,0 +1,38 @@ +* HI6421 Multi-Functional Device (MFD), by HiSilicon Ltd. + +Required parent device properties: +- compatible : contains "hisilicon,hi6421-pmic"; +- reg : register range space of hi6421; + +Supported Hi6421 sub-devices include: + +Device IRQ Names Supply Names Description +------ --------- ------------ ----------- +regulators : None : None : Regulators + +Required child device properties: +None. + +Example: + hi6421 { + compatible = "hisilicon,hi6421-pmic"; + reg = <0xfcc00000 0x0180>; /* 0x60 << 2 */ + + regulators { + // supply for MLC NAND/ eMMC + hi6421_vout0_reg: hi6421_vout0 { + regulator-name = "VOUT0"; + regulator-min-microvolt = <2850000>; + regulator-max-microvolt = <2850000>; + }; + + // supply for 26M Oscillator + hi6421_vout1_reg: hi6421_vout1 { + regulator-name = "VOUT1"; + regulator-min-microvolt = <1700000>; + regulator-max-microvolt = <2000000>; + regulator-boot-on; + regulator-always-on; + }; + }; + };