diff options
| author | Frank Li <Frank.Li@nxp.com> | 2025-09-29 10:24:16 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-13 09:11:51 +0200 |
| commit | 1c97fc901fb6318aca0160da96736d0bc136ddcd (patch) | |
| tree | de1a1ef375103e98be5075210084a5f3d2ed21fe | |
| parent | 7298c06d58e23c1c6e60180ab1ce069087ae38e2 (diff) | |
usb: dwc3: dwc3-generic-plat: Add layerscape dwc3 support
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>
| -rw-r--r-- | drivers/usb/dwc3/dwc3-generic-plat.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/dwc3-generic-plat.c b/drivers/usb/dwc3/dwc3-generic-plat.c index af95a527dcc2..770fedc16bb8 100644 --- a/drivers/usb/dwc3/dwc3-generic-plat.c +++ b/drivers/usb/dwc3/dwc3-generic-plat.c @@ -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); |