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Commit 0ec5f8bd authored by Chris Zhong's avatar Chris Zhong Committed by Mark Brown
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regulator: rk808: add the description about dvs gpio for rk808 



add the description about dvs1, dvs2, and add the example.

Signed-off-by: default avatarChris Zhong <zyw@rock-chips.com>
Reviewed-by: default avatarDoug Anderson <dianders@chromium.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent bc0195aa

Documentation/devicetree/bindings/mfd/rk808.txt

+7 −1
Original line number Diff line number Diff line
@@ -24,6 +24,10 @@ Optional properties: 
- vcc10-supply: The input supply for LDO_REG6

- vcc11-supply: The input supply for LDO_REG8

- vcc12-supply: The input supply for SWITCH_REG2

- dvs-gpios:  buck1/2 can be controlled by gpio dvs, this is GPIO specifiers

  for 2 host gpio's used for dvs. The format of the gpio specifier depends in

  the gpio controller. If DVS GPIOs aren't present, voltage changes will happen

  very quickly with no slow ramp time.



Regulators: All the regulators of RK808 to be instantiated shall be

listed in a child node named 'regulators'. Each regulator is represented
@@ -55,7 +59,9 @@ Example: 
		interrupt-parent = <&gpio0>;

		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;

		pinctrl-names = "default";

		pinctrl-0 = <&pmic_int>;

		pinctrl-0 = <&pmic_int &dvs_1 &dvs_2>;

		dvs-gpios = <&gpio7 11 GPIO_ACTIVE_HIGH>,

			    <&gpio7 15 GPIO_ACTIVE_HIGH>;

		reg = <0x1b>;

		rockchip,system-power-controller;

		wakeup-source;