Re: [RFC 3/3] mfd: dt-bindings: Add RK818 device tree bindings document

From: Rob Herring
Date: Mon Apr 11 2016 - 11:49:00 EST


On Fri, Apr 08, 2016 at 11:47:41AM +0200, Wadim Egorov wrote:
> Add device tree bindings documentation for rockchip's RK818 pmic.
>
> Signed-off-by: Wadim Egorov <w.egorov@xxxxxxxxx>
> ---
> Documentation/devicetree/bindings/mfd/rk808.txt | 37 +++++++++++++++++++++++--
> 1 file changed, 34 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt
> index 4ca6aab..8cceb07 100644
> --- a/Documentation/devicetree/bindings/mfd/rk808.txt
> +++ b/Documentation/devicetree/bindings/mfd/rk808.txt
> @@ -1,7 +1,11 @@
> -RK808 Power Management Integrated Circuit
> +RK8xx Power Management Integrated Circuit
> +
> +The rk8xx family current members:
> +rk808
> +rk818
>
> Required properties:
> -- compatible: "rockchip,rk808"
> +- compatible: "rockchip,rk808", "rockchip,rk818"

Do one per line please.

> - reg: I2C slave address
> - interrupt-parent: The parent interrupt controller.
> - interrupts: the interrupt outputs of the controller.
> @@ -13,6 +17,8 @@ Optional properties:
> default output clock name
> - rockchip,system-power-controller: Telling whether or not this pmic is controlling
> the system power.
> +
> +Optional rk808 properties:
> - vcc1-supply: The input supply for DCDC_REG1
> - vcc2-supply: The input supply for DCDC_REG2
> - vcc3-supply: The input supply for DCDC_REG3
> @@ -29,7 +35,20 @@ Optional properties:
> 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
> +Optional rk818 properties:
> +- vcc1-supply: The input supply for DCDC_REG1
> +- vcc2-supply: The input supply for DCDC_REG2
> +- vcc3-supply: The input supply for DCDC_REG3
> +- vcc4-supply: The input supply for DCDC_REG4
> +- boost-supply: The input supply for DCDC_BOOST
> +- vcc6-supply: The input supply for LDO_REG1 and LDO_REG2
> +- vcc7-supply: The input supply for LDO_REG3, LDO_REG5 and LDO_REG7
> +- vcc8-supply: The input supply for LDO_REG4, LDO_REG6 and LDO_REG8
> +- vcc9-supply: The input supply for LDO_REG9 and SWITCH_REG
> +- h_5v-supply: The input supply for HDMI_SWITCH
> +- usb-supply: The input supply for OTG_SWITCH
> +
> +Regulators: All the regulators of RK8xx to be instantiated shall be
> listed in a child node named 'regulators'. Each regulator is represented
> by a child node of the 'regulators' node.
>
> @@ -48,6 +67,18 @@ number as described in RK808 datasheet.
> - SWITCH_REGn
> - valid values for n are 1 to 2
>
> +Following regulators of the RK818 PMIC block are supported. Note that
> +the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
> +number as described in RK818 datasheet.
> +
> + - DCDC_REGn
> + - valid values for n are 1 to 4.
> + - LDO_REGn
> + - valid values for n are 1 to 9.
> + - SWITCH_REG
> + - HDMI_SWITCH
> + - OTG_SWITCH
> +
> Standard regulator bindings are used inside regulator subnodes. Check
> Documentation/devicetree/bindings/regulator/regulator.txt
> for more details
> --
> 1.9.1
>