linux-kernel - [PATCH v1 2/2] usb: dwc3: exynos: add support for Exynos2200 variant

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Message-ID: <20250215123453.163434-3-ivo.ivanov.ivanov1@gmail.com>
Date: Sat, 15 Feb 2025 14:34:53 +0200
From: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	Thinh Nguyen <Thinh.Nguyen@...opsys.com>
Cc: linux-usb@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/2] usb: dwc3: exynos: add support for Exynos2200 variant

Add Exynos2200 compatible string and associated driver data. This SoC
requires a Link interface AXI clock.

Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.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 f5d963fae..aa22265c7 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -145,6 +145,12 @@ static void dwc3_exynos_remove(struct platform_device *pdev)
 	regulator_disable(exynos->vdd10);
 }
 
+static const struct dwc3_exynos_driverdata exynos2200_drvdata = {
+	.clk_names = { "link_aclk" },
+	.num_clks = 1,
+	.suspend_clk_idx = -1,
+};
+
 static const struct dwc3_exynos_driverdata exynos5250_drvdata = {
 	.clk_names = { "usbdrd30" },
 	.num_clks = 1,
@@ -177,6 +183,9 @@ static const struct dwc3_exynos_driverdata gs101_drvdata = {
 
 static const struct of_device_id exynos_dwc3_match[] = {
 	{
+		.compatible = "samsung,exynos2200-dwusb3",
+		.data = &exynos2200_drvdata,
+	}, {
 		.compatible = "samsung,exynos5250-dwusb3",
 		.data = &exynos5250_drvdata,
 	}, {
-- 
2.43.0