From 4ece7045eb7cceaff9667b4ee2eec78915d3ee3b Mon Sep 17 00:00:00 2001 From: Javier Martinez Canillas Date: Mon, 18 Aug 2014 10:32:42 +0200 Subject: [PATCH] regulator: Add DT bindings for max77802 PMIC regulators Add Device Tree binding documentation for the regulators present in the Maxim 77802 Power Management IC. Signed-off-by: Javier Martinez Canillas Signed-off-by: Mark Brown --- .../bindings/regulator/max77802.txt | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/max77802.txt diff --git a/Documentation/devicetree/bindings/regulator/max77802.txt b/Documentation/devicetree/bindings/regulator/max77802.txt new file mode 100644 index 000000000000..5aeaffc0f1f0 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/max77802.txt @@ -0,0 +1,53 @@ +Binding for Maxim MAX77802 regulators + +This is a part of device tree bindings of MAX77802 multi-function device. +More information can be found in bindings/mfd/max77802.txt file. + +The MAX77802 PMIC has 10 high-efficiency Buck and 32 Low-dropout (LDO) +regulators that can be controlled over I2C. + +Following properties should be present in main device node of the MFD chip. + +Optional node: +- regulators : The regulators of max77802 have to be instantiated + under subnode named "regulators" using the following format. + + regulator-name { + standard regulator constraints.... + }; + refer Documentation/devicetree/bindings/regulator/regulator.txt + +The regulator node name should be initialized with a string to get matched +with their hardware counterparts as follow. The valid names are: + + -LDOn : for LDOs, where n can lie in ranges 1-15, 17-21, 23-30 + and 32-35. + example: LDO1, LDO2, LDO35. + -BUCKn : for BUCKs, where n can lie in range 1 to 10. + example: BUCK1, BUCK5, BUCK10. +Example: + + max77802@09 { + compatible = "maxim,max77802"; + interrupt-parent = <&wakeup_eint>; + interrupts = <26 0>; + reg = <0x09>; + #address-cells = <1>; + #size-cells = <0>; + + regulators { + ldo11_reg: LDO11 { + regulator-name = "vdd_ldo11"; + regulator-min-microvolt = <1900000>; + regulator-max-microvolt = <1900000>; + regulator-always-on; + }; + + buck1_reg: BUCK1 { + regulator-name = "vdd_mif"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1300000>; + regulator-always-on; + regulator-boot-on; + }; + }; -- 2.20.1