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dt-bindings: mfd: axp20x: Add "xpowers,master-mode" property for AXP806 PMICs

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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: 204ae2963e ("mfd: axp20x: Add bindings for AXP806 PMIC")
Signed-off-by: Rask Ingemann Lambertsen <rask@formelder.dk>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Rask Ingemann Lambertsen 2017-02-22 20:41:02 +01:00 committed by Lee Jones
parent 159ee7578a
commit 8461cf20d1
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/mfd/axp20x.txt
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@ -28,6 +28,9 @@ 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.