kybaaz/linux-xiaomi-chiron
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

phy: phy-rockchip-inno-usb2: support standalone phy nodes

Browse source 
New Rockchip devices have the usb2 phy devices as standalone nodes
instead of children of the grf node.
Allow the driver to find the grf node from a phandle.

Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20211215210252.120923-5-pgwipeout@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Peter Geis 2021-12-15 16:02:48 -05:00 • committed by Vinod Koul
parent 9c19c531dc
commit e6915e1acc
1 changed files with 12 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

17
drivers/phy/rockchip/phy-rockchip-inno-usb2.c
View file

@ -1073,12 +1073,19 @@ static int rockchip_usb2phy_probe(struct platform_device *pdev)
return -EINVAL;
}
if (!dev->parent || !dev->parent->of_node)
return -EINVAL;
if (!dev->parent || !dev->parent->of_node) {
rphy->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,usbgrf");
if (IS_ERR(rphy->grf)) {
dev_err(dev, "failed to locate usbgrf\n");
return PTR_ERR(rphy->grf);
}
}
rphy->grf = syscon_node_to_regmap(dev->parent->of_node);
if (IS_ERR(rphy->grf))
return PTR_ERR(rphy->grf);
else {
rphy->grf = syscon_node_to_regmap(dev->parent->of_node);
if (IS_ERR(rphy->grf))
return PTR_ERR(rphy->grf);
}
if (of_device_is_compatible(np, "rockchip,rv1108-usb2phy")) {
rphy->usbgrf =