Lines Matching +full:usb +full:- +full:ehci

1 // SPDX-License-Identifier: GPL-2.0
3  * Nuvoton NPCM7xx driver for EHCI HCD
9  * Based on various ehci-spear.c driver
13 #include <linux/dma-mapping.h>
20 #include <linux/usb.h>
21 #include <linux/usb/hcd.h>
23 #include "ehci.h"
28 #define DRIVER_DESC "EHCI npcm7xx driver"
30 static const char hcd_name[] = "npcm7xx-ehci";
69 	dev_dbg(&pdev->dev,	"initializing npcm7xx ehci USB Controller\n");  in npcm7xx_ehci_hcd_drv_probe()
71 	gcr_regmap = syscon_regmap_lookup_by_compatible("nuvoton,npcm750-gcr");  in npcm7xx_ehci_hcd_drv_probe()
73 		dev_err(&pdev->dev, "%s: failed to find nuvoton,npcm750-gcr\n",  in npcm7xx_ehci_hcd_drv_probe()
78 	rst_regmap = syscon_regmap_lookup_by_compatible("nuvoton,npcm750-rst");  in npcm7xx_ehci_hcd_drv_probe()
80 		dev_err(&pdev->dev, "%s: failed to find nuvoton,npcm750-rst\n",  in npcm7xx_ehci_hcd_drv_probe()
86 	// reset usb host  in npcm7xx_ehci_hcd_drv_probe()
110 		return -ENODEV;  in npcm7xx_ehci_hcd_drv_probe()
119 	 * Right now device-tree probed devices don't get dma_mask set.  in npcm7xx_ehci_hcd_drv_probe()
120 	 * Since shared usb code relies on it, set it here for now.  in npcm7xx_ehci_hcd_drv_probe()
123 	retval = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));  in npcm7xx_ehci_hcd_drv_probe()
127 	hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));  in npcm7xx_ehci_hcd_drv_probe()
129 		retval = -ENOMEM;  in npcm7xx_ehci_hcd_drv_probe()
134 	hcd->regs = devm_ioremap_resource(&pdev->dev, res);  in npcm7xx_ehci_hcd_drv_probe()
135 	if (IS_ERR(hcd->regs)) {  in npcm7xx_ehci_hcd_drv_probe()
136 		retval = PTR_ERR(hcd->regs);  in npcm7xx_ehci_hcd_drv_probe()
139 	hcd->rsrc_start = res->start;  in npcm7xx_ehci_hcd_drv_probe()
140 	hcd->rsrc_len = resource_size(res);  in npcm7xx_ehci_hcd_drv_probe()
143 	hcd_to_ehci(hcd)->caps = hcd->regs;  in npcm7xx_ehci_hcd_drv_probe()
149 	device_wakeup_enable(hcd->self.controller);  in npcm7xx_ehci_hcd_drv_probe()
155 	dev_err(&pdev->dev, "init fail, %d\n", retval);  in npcm7xx_ehci_hcd_drv_probe()
172 	{ .compatible = "nuvoton,npcm750-ehci" },
182 		.name = "npcm7xx-ehci",
192 		return -ENODEV;  in ehci_npcm7xx_init()
208 MODULE_ALIAS("platform:npcm7xx-ehci");