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usb: dwc3: dwc3-generic-plat: Add layerscape dwc3 support

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Add layerscape dwc3 support by using flatten dwc3 core library. Layerscape
dwc3 need set gsbuscfg0-reqinfo as 0x2222 when dma-coherence set.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20250929-ls_dma_coherence-v5-3-2ebee578eb7e@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Frank Li
2025-09-29 10:24:16 -04:00
committed by Greg Kroah-Hartman
parent 7298c06d58
commit 1c97fc901f
1 changed files with 13 additions and 1 deletions
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14
drivers/usb/dwc3/dwc3-generic-plat.c
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@@ -29,6 +29,7 @@ static void dwc3_generic_reset_control_assert(void *data)
static int dwc3_generic_probe(struct platform_device *pdev)
{
const struct dwc3_properties *properties;
struct dwc3_probe_data probe_data = {};
struct device *dev = &pdev->dev;
struct dwc3_generic *dwc3g;
@@ -75,7 +76,13 @@ static int dwc3_generic_probe(struct platform_device *pdev)
probe_data.dwc = &dwc3g->dwc;
probe_data.res = res;
probe_data.ignore_clocks_and_resets = true;
probe_data.properties = DWC3_DEFAULT_PROPERTIES;
properties = of_device_get_match_data(dev);
if (properties)
probe_data.properties = *properties;
else
probe_data.properties = DWC3_DEFAULT_PROPERTIES;
ret = dwc3_core_probe(&probe_data);
if (ret)
return dev_err_probe(dev, ret, "failed to register DWC3 Core\n");
@@ -146,8 +153,13 @@ static const struct dev_pm_ops dwc3_generic_dev_pm_ops = {
dwc3_generic_runtime_idle)
};
static const struct dwc3_properties fsl_ls1028_dwc3 = {
.gsbuscfg0_reqinfo = 0x2222,
};
static const struct of_device_id dwc3_generic_of_match[] = {
{ .compatible = "spacemit,k1-dwc3", },
{ .compatible = "fsl,ls1028a-dwc3", &fsl_ls1028_dwc3},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, dwc3_generic_of_match);