linux-kernel - [PATCH v3 2/2] usb: dwc3-exynos: add support for ExynosAutov920

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Message-Id: <20250516071333.3223226-3-pritam.sutar@samsung.com>
Date: Fri, 16 May 2025 12:43:33 +0530
From: Pritam Manohar Sutar <pritam.sutar@...sung.com>
To: 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,
	pritam.sutar@...sung.com
Subject: [PATCH v3 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.

Acked-by: Thinh Nguyen <Thinh.Nguyen@...opsys.com>
Reviewed-by: Alim Akhtar <alim.akhtar@...sung.com>
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..e934f94e8fd8 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",
@@ -206,6 +212,9 @@ static const struct of_device_id exynos_dwc3_match[] = {
 	}, {
 		.compatible = "samsung,exynos850-dwusb3",
 		.data = &exynos850_drvdata,
+	}, {
+		.compatible = "samsung,exynosautov920-dwusb3",
+		.data = &exynosautov920_drvdata,
 	}, {
 		.compatible = "google,gs101-dwusb3",
 		.data = &gs101_drvdata,
-- 
2.34.1