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regulator: anatop: set default voltage selector for pcie 

[ Upstream commit 9bf9445481 ]

Set the initial voltage selector for vddpcie in case it's disabled
by default.

This fixes the below warning:
20c8000.anatop:regulator-vddpcie: Failed to read a valid default voltage selector.
anatop_regulator: probe of 20c8000.anatop:regulator-vddpcie failed with error -22

Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Robin Gong <yibin.gong@nxp.com>
Cc: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dong Aisheng 2017-04-12 09:58:47 +08:00 committed by Greg Kroah-Hartman
parent 86138a4972
commit 8623759933
1 changed files with 5 additions and 0 deletions
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5
drivers/regulator/anatop-regulator.c
View File

@ -296,6 +296,11 @@ static int anatop_regulator_probe(struct platform_device *pdev)
if (!sreg->sel && !strcmp(sreg->name, "vddpu"))
sreg->sel = 22;
/* set the default voltage of the pcie phy to be 1.100v */
if (!sreg->sel && rdesc->name &&
!strcmp(rdesc->name, "vddpcie"))
sreg->sel = 0x10;
if (!sreg->bypass && !sreg->sel) {
dev_err(&pdev->dev, "Failed to read a valid default voltage selector.\n");
return -EINVAL;