linux-kernel - [PATCH v1 6/8] usb: dwc3: add rk3568 dwc3 support

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Message-Id: <20220225145432.422130-7-pgwipeout@gmail.com>
Date:   Fri, 25 Feb 2022 09:54:29 -0500
From:   Peter Geis <pgwipeout@...il.com>
To:     Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Peter Geis <pgwipeout@...il.com>, Heiko Stuebner <heiko@...ech.de>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 6/8] usb: dwc3: add rk3568 dwc3 support

The rk3568 dwc3 controller is backwards compatible with the rk3399 dwc3
controller.
Add support for it to the dwc3-of-simple driver.

Signed-off-by: Peter Geis <pgwipeout@...il.com>
---
 drivers/usb/dwc3/dwc3-of-simple.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c
index 9dc6295df6b1..1d52a261af55 100644
--- a/drivers/usb/dwc3/dwc3-of-simple.c
+++ b/drivers/usb/dwc3/dwc3-of-simple.c
@@ -49,7 +49,8 @@ static int dwc3_of_simple_probe(struct platform_device *pdev)
 	 * Some controllers need to toggle the usb3-otg reset before trying to
 	 * initialize the PHY, otherwise the PHY times out.
 	 */
-	if (of_device_is_compatible(np, "rockchip,rk3399-dwc3"))
+	if (of_device_is_compatible(np, "rockchip,rk3399-dwc3") |
+	    of_device_is_compatible(np, "rockchip,rk3568-dwc3"))
 		simple->need_reset = true;
 
 	simple->resets = of_reset_control_array_get(np, false, true,
@@ -176,6 +177,7 @@ static const struct of_device_id of_dwc3_simple_match[] = {
 	{ .compatible = "hisilicon,hi3670-dwc3" },
 	{ .compatible = "intel,keembay-dwc3" },
 	{ .compatible = "rockchip,rk3399-dwc3" },
+	{ .compatible = "rockchip,rk3568-dwc3" },
 	{ .compatible = "sprd,sc9860-dwc3" },
 	{ /* Sentinel */ }
 };
-- 
2.25.1