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8cb632045f
Due to the missing ATF for normally boot, there are still a lot of bugs on this platform. At the same time, the GMAC driver also lacks a part.
45 lines
1.5 KiB
Diff
45 lines
1.5 KiB
Diff
From e6915e1acca57bc4fdb61dccd5cc2e49f72ef743 Mon Sep 17 00:00:00 2001
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From: Peter Geis <pgwipeout@gmail.com>
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Date: Wed, 15 Dec 2021 16:02:48 -0500
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Subject: [PATCH] phy: phy-rockchip-inno-usb2: support standalone phy nodes
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New Rockchip devices have the usb2 phy devices as standalone nodes
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instead of children of the grf node.
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Allow the driver to find the grf node from a phandle.
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Signed-off-by: Peter Geis <pgwipeout@gmail.com>
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Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
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Link: https://lore.kernel.org/r/20211215210252.120923-5-pgwipeout@gmail.com
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Signed-off-by: Vinod Koul <vkoul@kernel.org>
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---
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drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 17 ++++++++++++-----
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1 file changed, 12 insertions(+), 5 deletions(-)
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--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
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+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
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@@ -1073,12 +1073,19 @@ static int rockchip_usb2phy_probe(struct platform_device *pdev)
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return -EINVAL;
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}
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- if (!dev->parent || !dev->parent->of_node)
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- return -EINVAL;
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+ if (!dev->parent || !dev->parent->of_node) {
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+ rphy->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,usbgrf");
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+ if (IS_ERR(rphy->grf)) {
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+ dev_err(dev, "failed to locate usbgrf\n");
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+ return PTR_ERR(rphy->grf);
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+ }
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+ }
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- rphy->grf = syscon_node_to_regmap(dev->parent->of_node);
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- if (IS_ERR(rphy->grf))
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- return PTR_ERR(rphy->grf);
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+ else {
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+ rphy->grf = syscon_node_to_regmap(dev->parent->of_node);
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+ if (IS_ERR(rphy->grf))
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+ return PTR_ERR(rphy->grf);
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+ }
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if (of_device_is_compatible(np, "rockchip,rv1108-usb2phy")) {
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rphy->usbgrf =
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