[PATCH 2/2] usb: dwc3: exynos: add support for exynos7870
From: Kaustabh Chakraborty <hidden>
Date: 2025-02-03 20:40:07
Also in:
linux-devicetree, linux-samsung-soc, linux-usb, lkml
Subsystem:
designware usb3 drd ip driver, the rest, usb subsystem · Maintainers:
Thinh Nguyen, Linus Torvalds, Greg Kroah-Hartman
Exynos7870 devices have a DWC3 compatible USB 2.0 controller. Add support in the driver by: - Adding its own compatible string, "samsung,exynos7870-dwusb2". - Adding three USBDRD clocks named "usbdrd20", "usbdrd20_ctrl_clk", and "usbdrd20_ref_clk", to be controlled by the driver. Signed-off-by: Kaustabh Chakraborty <redacted> --- 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 f5d963fae9e069e1bd145ff5bd1b704da89fb74c..34f2b9e8529303cd2a957baed5819a45cbcf3309 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c@@ -163,6 +163,12 @@ static const struct dwc3_exynos_driverdata exynos7_drvdata = { .suspend_clk_idx = 1, }; +static const struct dwc3_exynos_driverdata exynos7870_drvdata = { + .clk_names = { "usbdrd20", "usbdrd20_ctrl_clk", "usbdrd20_ref_clk" }, + .num_clks = 3, + .suspend_clk_idx = -1, +}; + static const struct dwc3_exynos_driverdata exynos850_drvdata = { .clk_names = { "bus_early", "ref" }, .num_clks = 2,
@@ -185,6 +191,9 @@ static const struct of_device_id exynos_dwc3_match[] = { }, { .compatible = "samsung,exynos7-dwusb3", .data = &exynos7_drvdata, + }, { + .compatible = "samsung,exynos7870-dwusb2", + .data = &exynos7870_drvdata, }, { .compatible = "samsung,exynos850-dwusb3", .data = &exynos850_drvdata,
--
2.48.1