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usb: dwc3: exynos: add support for Google Tensor gs101

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The Exynos-based Google Tensor gs101 SoC has a DWC3 compatible USB
controller and can reuse the existing Exynos glue. Add the
google,gs101-dwusb3 compatible and associated driver data. Four clocks
are required for USB for this SoC:
    * bus clock
    * suspend clock
    * Link interface AXI clock
    * Link interface APB clock

Signed-off-by: André Draszik <andre.draszik@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240423-usb-dwc3-gs101-v1-2-2f331f88203f@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
André Draszik 2024-04-23 21:19:46 +01:00 committed by Greg Kroah-Hartman
parent 550c88771d
commit 9b780c845f
1 changed files with 9 additions and 0 deletions
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9
drivers/usb/dwc3/dwc3-exynos.c
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@ -169,6 +169,12 @@ static const struct dwc3_exynos_driverdata exynos850_drvdata = {
.suspend_clk_idx = -1,
};
static const struct dwc3_exynos_driverdata gs101_drvdata = {
.clk_names = { "bus_early", "susp_clk", "link_aclk", "link_pclk" },
.num_clks = 4,
.suspend_clk_idx = 1,
};
static const struct of_device_id exynos_dwc3_match[] = {
{
.compatible = "samsung,exynos5250-dwusb3",
@ -182,6 +188,9 @@ static const struct of_device_id exynos_dwc3_match[] = {
}, {
.compatible = "samsung,exynos850-dwusb3",
.data = &exynos850_drvdata,
}, {
.compatible = "google,gs101-dwusb3",
.data = &gs101_drvdata,
}, {
}
};