linux-kernel - [PATCH 2/2] usb: dwc3-exynos: add support for ExynosAutov920

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Message-Id: <20250514140741.415981-3-pritam.sutar@samsung.com>
Date: Wed, 14 May 2025 19:37:41 +0530
From: Pritam Manohar Sutar <pritam.sutar@...sung.com>
To: pritam.sutar@...sung.com, gregkh@...uxfoundation.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, alim.akhtar@...sung.com,
	Thinh.Nguyen@...opsys.com
Cc: linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org, rosa.pila@...sung.com, dev.tailor@...sung.com,
	faraz.ata@...sung.com, muhammed.ali@...sung.com, selvarasu.g@...sung.com
Subject: [PATCH 2/2] usb: dwc3-exynos: add support for ExynosAutov920

This SoC has a DWC3 compatible controllers. It needs "ref" and
"susp_clk" for it's operation.

Add required changes in exynos dwc3 glue layer to support this SoC.

Signed-off-by: Pritam Manohar Sutar <pritam.sutar@...sung.com>
---
 drivers/usb/dwc3/dwc3-exynos.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index 20abc6a4e824..a8f97d2b31ae 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -187,6 +187,12 @@ static const struct dwc3_exynos_driverdata gs101_drvdata = {
 	.suspend_clk_idx = 1,
 };
 
+static const struct dwc3_exynos_driverdata exynosautov920_drvdata = {
+	.clk_names = { "ref", "susp_clk"},
+	.num_clks = 2,
+	.suspend_clk_idx = 1,
+};
+
 static const struct of_device_id exynos_dwc3_match[] = {
 	{
 		.compatible = "samsung,exynos2200-dwusb3",
@@ -209,6 +215,9 @@ static const struct of_device_id exynos_dwc3_match[] = {
 	}, {
 		.compatible = "google,gs101-dwusb3",
 		.data = &gs101_drvdata,
+	}, {
+		.compatible = "samsung,exynosautov920-dwusb3",
+		.data = &exynosautov920_drvdata,
 	}, {
 	}
 };
-- 
2.34.1