These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / mfd / rk808.txt

diff --git a/kernel/Documentation/devicetree/bindings/mfd/rk808.txt b/kernel/Documentation/devicetree/bindings/mfd/rk808.txt
index 9e6e259..4ca6aab 100644 (file)
--- a/kernel/Documentation/devicetree/bindings/mfd/rk808.txt
+++ b/kernel/Documentation/devicetree/bindings/mfd/rk808.txt
@@ -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;