On Wed, 26 Jul 2017, Chen-Yu Tsai wrote:
> The X-Powers AXP813 is a PMIC designed to be paired with Allwinner's
> A83T SoC. There is also an AXP818, which is paired with the H8 SoC.
>
> The two models seem to be identical, apart from the external markings.
>
> This patch introduces the basic mfd and regulator bindings for the
> AXP813.
>
> Signed-off-by: Chen-Yu Tsai <w...@csie.org>
> Acked-by: Rob Herring <r...@kernel.org>
> Acked-for-MFD-by: Lee Jones <lee.jo...@linaro.org>
> ---
> Documentation/devicetree/bindings/mfd/axp20x.txt | 49
> +++++++++++++++++++++---
> 1 file changed, 44 insertions(+), 5 deletions(-)
Applied, thanks.
> diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt
> b/Documentation/devicetree/bindings/mfd/axp20x.txt
> index 211a100c6b20..9455503b0299 100644
> --- a/Documentation/devicetree/bindings/mfd/axp20x.txt
> +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
> @@ -9,6 +9,12 @@ axp223 (X-Powers)
> axp803 (X-Powers)
> axp806 (X-Powers)
> axp809 (X-Powers)
> +axp813 (X-Powers)
> +
> +The AXP813 is 2 chips packaged into 1. The 2 chips do not share anything
> +other than the packaging. Pins are routed separately. As such they should
> +be treated as separate entities. The other half is an AC100 RTC/codec
> +combo chip. Please see ./ac100.txt for its bindings.
>
> Required properties:
> - compatible: should be one of:
> @@ -20,6 +26,7 @@ Required properties:
> * "x-powers,axp803"
> * "x-powers,axp806"
> * "x-powers,axp809"
> + * "x-powers,axp813"
> - reg: The I2C slave address or RSB hardware address for the AXP chip
> - interrupt-parent: The parent interrupt controller
> - interrupts: SoC NMI / GPIO interrupt connected to the PMIC's IRQ pin
> @@ -29,12 +36,14 @@ Required properties:
> Optional properties:
> - x-powers,dcdc-freq: defines the work frequency of DC-DC in KHz
> AXP152/20X: range: 750-1875, Default: 1.5 MHz
> - AXP22X/80X: range: 1800-4050, Default: 3 MHz
> + AXP22X/8XX: range: 1800-4050, Default: 3 MHz
>
> -- x-powers,drive-vbus-en: axp221 / axp223 only boolean, set this when the
> - N_VBUSEN pin is used as an output pin to control an external
> - regulator to drive the OTG VBus, rather then as an input pin
> - which signals whether the board is driving OTG VBus or not.
> +- x-powers,drive-vbus-en: boolean, set this when the N_VBUSEN pin is
> + used as an output pin to control an external
> + regulator to drive the OTG VBus, rather then
> + as an input pin which signals whether the
> + board is driving OTG VBus or not.
> + (axp221 / axp223 / axp813 only)
>
> - x-powers,master-mode: Boolean (axp806 only). Set this when the PMIC is
> wired for master mode. The default is slave mode.
> @@ -172,6 +181,36 @@ LDO_IO1 : LDO : ips-supply
> : GPIO 1
> RTC_LDO : LDO : ips-supply : always on
> SW : On/Off Switch : swin-supply
>
> +AXP813 regulators, type, and corresponding input supply names:
> +
> +Regulator Type Supply Name Notes
> +--------- ---- ----------- -----
> +DCDC1 : DC-DC buck : vin1-supply
> +DCDC2 : DC-DC buck : vin2-supply : poly-phase
> capable
> +DCDC3 : DC-DC buck : vin3-supply : poly-phase
> capable
> +DCDC4 : DC-DC buck : vin4-supply
> +DCDC5 : DC-DC buck : vin5-supply : poly-phase
> capable
> +DCDC6 : DC-DC buck : vin6-supply : poly-phase
> capable
> +DCDC7 : DC-DC buck : vin7-supply
> +ALDO1 : LDO : aldoin-supply : shared supply
> +ALDO2 : LDO : aldoin-supply : shared supply
> +ALDO3 : LDO : aldoin-supply : shared supply
> +DLDO1 : LDO : dldoin-supply : shared supply
> +DLDO2 : LDO : dldoin-supply : shared supply
> +DLDO3 : LDO : dldoin-supply : shared supply
> +DLDO4 : LDO : dldoin-supply : shared supply
> +ELDO1 : LDO : eldoin-supply : shared supply
> +ELDO2 : LDO : eldoin-supply : shared supply
> +ELDO3 : LDO : eldoin-supply : shared supply
> +FLDO1 : LDO : fldoin-supply : shared supply
> +FLDO2 : LDO : fldoin-supply : shared supply
> +FLDO3 : LDO : fldoin-supply : shared supply
> +LDO_IO0 : LDO : ips-supply : GPIO 0
> +LDO_IO1 : LDO : ips-supply : GPIO 1
> +RTC_LDO : LDO : ips-supply : always on
> +SW : On/Off Switch : swin-supply
> +DRIVEVBUS : Enable output : drivevbus-supply : external regulator
> +
> Example:
>
> axp209: pmic@34 {
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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