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From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: [PATCH] phy: rockchip-inno-usb2: add support for older rockchip SoC bindings
Date: Thu,  2 Dec 2021 08:42:36 +0100	[thread overview]
Message-ID: <20211202074236.196396-1-a.fatoum@pengutronix.de> (raw)

Anything earlier than the rv1108, has no rockchip,usbgrf regmap and
instead access the parent device's regmap. Add support for this binding,
so the driver is usable on the rk3399.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index 6b9d54f34460..459ad9b35534 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -392,7 +392,12 @@ static int rockchip_usb2phy_probe(struct device_d *dev)
 
 	rphy->dev = dev;
 
-	rphy->grf_base = syscon_regmap_lookup_by_phandle(np, "rockchip,usbgrf");
+	if (of_device_is_compatible(np, "rockchip,rv1108-usb2phy") ||
+	    of_device_is_compatible(np, "rockchip,rk3568-usb2phy"))
+		rphy->grf_base = syscon_regmap_lookup_by_phandle(np, "rockchip,usbgrf");
+	else
+		rphy->grf_base = syscon_node_to_regmap(dev->parent->device_node);
+
 	if (IS_ERR(rphy->grf_base))
 		return PTR_ERR(rphy->grf_base);
 
-- 
2.30.2


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             reply	other threads:[~2021-12-02  7:44 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-02  7:42 Ahmad Fatoum [this message]
2021-12-07  9:10 ` Sascha Hauer

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