| Message ID | 1437384233-26169-2-git-send-email-zyw@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Mon, 20 Jul 2015, Chris Zhong wrote: > add the description about dvs1, dvs2, and add the example. > > Signed-off-by: Chris Zhong <zyw@rock-chips.com> > Reviewed-by: Doug Anderson <dianders@chromium.org> > > --- > > Changes in v4: > - Remove the description about dvs-ok > > Changes in v3: > - Modify the syntax error > > Changes in v2: > - increase description about dvs pins > > Documentation/devicetree/bindings/mfd/rk808.txt | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) Applied, thanks. > diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt > index 9e6e259..4ca6aab 100644 > --- a/Documentation/devicetree/bindings/mfd/rk808.txt > +++ b/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;
diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt index 9e6e259..4ca6aab 100644 --- a/Documentation/devicetree/bindings/mfd/rk808.txt +++ b/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;