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Commit 3ba6aff7 authored by Rask Ingemann Lambertsen's avatar Rask Ingemann Lambertsen Committed by Greg Kroah-Hartman
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dt-bindings: mfd: axp20x: Add "xpowers,master-mode" property for AXP806 PMICs 




[ Upstream commit 8461cf20d17e0090e9236b73d25b31be4f7fadc5 ]

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: 204ae296 ("mfd: axp20x: Add bindings for AXP806 PMIC")
Signed-off-by: default avatarRask Ingemann Lambertsen <rask@formelder.dk>
Acked-by: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Signed-off-by: default avatarSasha Levin <alexander.levin@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 3a0c4d97

Documentation/devicetree/bindings/mfd/axp20x.txt

+3 −0
Original line number Diff line number Diff line
@@ -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.