On Sun, Feb 19, 2017 at 3:51 AM, Rask Ingemann Lambertsen
<rask@xxxxxxxxxxxx> wrote:
> commit b101829a029a ("mfd: axp20x: Fix AXP806 access errors on cold boot")
> was intended to fix the case where a board uses an AXP806 in slave mode,
> but the boot loader leaves it in master mode for lack of AXP806 support.
> But now the driver breaks on boards where the PMIC is operating in master
> mode. To let the device tree describe which mode of operation is needed,
> this patch introduces a new property "xpowers,master-mode".
>
> Fixes: b101829a029a ("mfd: axp20x: Fix AXP806 access errors on cold boot")
I think this should point to the original commit that added support
for the AXP806.
Otherwise,
Acked-by: Chen-Yu Tsai <wens@xxxxxxxx>
> Signed-off-by: Rask Ingemann Lambertsen <rask@xxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/mfd/axp20x.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
> index 86ae540..9af3457 100644
> --- a/Documentation/devicetree/bindings/mfd/axp20x.txt
> +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
> @@ -29,6 +29,9 @@ Optional properties:
> 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,master-mode: Boolean (axp806 only). Set this when the PMIC is
> + wired for master mode. The default is slave mode.
> +
> - <input>-supply: a phandle to the regulator supply node. May be omitted if
> inputs are unregulated, such as using the IPSOUT output
> from the PMIC.
> --
> 2.10.2
>
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