[RFC PATCH 5/9] phy: phy-rockchip-inno-usb2: support standalone phy nodes
From: Peter Geis <hidden>
Date: 2021-07-28 12:26:41
Also in:
linux-devicetree, linux-phy, linux-rockchip, lkml
Subsystem:
arm/rockchip soc support, generic phy framework, the rest · Maintainers:
Heiko Stuebner, Vinod Koul, Linus Torvalds
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 <redacted> --- drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index 5d2916143df7..84a0c1d697da 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c@@ -1081,12 +1081,19 @@ 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 =
--
2.25.1
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