Commit 1c97fc90 authored by Frank Li's avatar Frank Li Committed by Greg Kroah-Hartman
Browse files

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: default avatarFrank Li <Frank.Li@nxp.com>
Acked-by: default avatarThinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20250929-ls_dma_coherence-v5-3-2ebee578eb7e@nxp.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7298c06d

drivers/usb/dwc3/dwc3-generic-plat.c

+13 −1
Original line number Diff line number Diff line
@@ -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;



	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);