^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Driver for EHCI UHP on Atmel chips
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2009 Atmel Corporation,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Nicolas Ferre <nicolas.ferre@atmel.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Based on various ehci-*.c drivers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/dma-mapping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/of_platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/usb/hcd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "ehci.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define DRIVER_DESC "EHCI Atmel driver"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static const char hcd_name[] = "ehci-atmel";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /* interface and function clocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define hcd_to_atmel_ehci_priv(h) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) ((struct atmel_ehci_priv *)hcd_to_ehci(h)->priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct atmel_ehci_priv {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct clk *iclk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct clk *uclk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) bool clocked;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static struct hc_driver __read_mostly ehci_atmel_hc_driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static const struct ehci_driver_overrides ehci_atmel_drv_overrides __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) .extra_priv_size = sizeof(struct atmel_ehci_priv),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) /*-------------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) static void atmel_start_clock(struct atmel_ehci_priv *atmel_ehci)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) if (atmel_ehci->clocked)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) clk_prepare_enable(atmel_ehci->uclk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) clk_prepare_enable(atmel_ehci->iclk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) atmel_ehci->clocked = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static void atmel_stop_clock(struct atmel_ehci_priv *atmel_ehci)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (!atmel_ehci->clocked)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) clk_disable_unprepare(atmel_ehci->iclk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) clk_disable_unprepare(atmel_ehci->uclk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) atmel_ehci->clocked = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) static void atmel_start_ehci(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct usb_hcd *hcd = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) struct atmel_ehci_priv *atmel_ehci = hcd_to_atmel_ehci_priv(hcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) dev_dbg(&pdev->dev, "start\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) atmel_start_clock(atmel_ehci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static void atmel_stop_ehci(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct usb_hcd *hcd = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct atmel_ehci_priv *atmel_ehci = hcd_to_atmel_ehci_priv(hcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) dev_dbg(&pdev->dev, "stop\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) atmel_stop_clock(atmel_ehci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) /*-------------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static int ehci_atmel_drv_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct usb_hcd *hcd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) const struct hc_driver *driver = &ehci_atmel_hc_driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct ehci_hcd *ehci;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct atmel_ehci_priv *atmel_ehci;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) int irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (usb_disabled())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) pr_debug("Initializing Atmel-SoC USB Host Controller\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) irq = platform_get_irq(pdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) if (irq <= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) goto fail_create_hcd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) /* Right now device-tree probed devices don't get dma_mask set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) * Since shared usb code relies on it, set it here for now.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * Once we have dma capability bindings this can go away.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) retval = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (retval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) goto fail_create_hcd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (!hcd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) retval = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) goto fail_create_hcd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) atmel_ehci = hcd_to_atmel_ehci_priv(hcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) hcd->regs = devm_ioremap_resource(&pdev->dev, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) if (IS_ERR(hcd->regs)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) retval = PTR_ERR(hcd->regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) goto fail_request_resource;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) hcd->rsrc_start = res->start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) hcd->rsrc_len = resource_size(res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) atmel_ehci->iclk = devm_clk_get(&pdev->dev, "ehci_clk");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) if (IS_ERR(atmel_ehci->iclk)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) dev_err(&pdev->dev, "Error getting interface clock\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) retval = -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) goto fail_request_resource;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) atmel_ehci->uclk = devm_clk_get(&pdev->dev, "usb_clk");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) if (IS_ERR(atmel_ehci->uclk)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) dev_err(&pdev->dev, "failed to get uclk\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) retval = PTR_ERR(atmel_ehci->uclk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) goto fail_request_resource;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) ehci = hcd_to_ehci(hcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) /* registers start at offset 0x0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) ehci->caps = hcd->regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) atmel_start_ehci(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (retval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) goto fail_add_hcd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) device_wakeup_enable(hcd->self.controller);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) fail_add_hcd:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) atmel_stop_ehci(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) fail_request_resource:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) usb_put_hcd(hcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) fail_create_hcd:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) dev_err(&pdev->dev, "init %s fail, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) dev_name(&pdev->dev), retval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) static int ehci_atmel_drv_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct usb_hcd *hcd = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) usb_remove_hcd(hcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) usb_put_hcd(hcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) atmel_stop_ehci(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) static int __maybe_unused ehci_atmel_drv_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) struct usb_hcd *hcd = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) struct atmel_ehci_priv *atmel_ehci = hcd_to_atmel_ehci_priv(hcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) ret = ehci_suspend(hcd, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) atmel_stop_clock(atmel_ehci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) static int __maybe_unused ehci_atmel_drv_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) struct usb_hcd *hcd = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) struct atmel_ehci_priv *atmel_ehci = hcd_to_atmel_ehci_priv(hcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) atmel_start_clock(atmel_ehci);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) ehci_resume(hcd, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) #ifdef CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) static const struct of_device_id atmel_ehci_dt_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) { .compatible = "atmel,at91sam9g45-ehci" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) { /* sentinel */ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) MODULE_DEVICE_TABLE(of, atmel_ehci_dt_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) static SIMPLE_DEV_PM_OPS(ehci_atmel_pm_ops, ehci_atmel_drv_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) ehci_atmel_drv_resume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) static struct platform_driver ehci_atmel_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .probe = ehci_atmel_drv_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) .remove = ehci_atmel_drv_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) .shutdown = usb_hcd_platform_shutdown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) .name = "atmel-ehci",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) .pm = &ehci_atmel_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) .of_match_table = of_match_ptr(atmel_ehci_dt_ids),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) static int __init ehci_atmel_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) if (usb_disabled())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) pr_info("%s: " DRIVER_DESC "\n", hcd_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) ehci_init_driver(&ehci_atmel_hc_driver, &ehci_atmel_drv_overrides);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) return platform_driver_register(&ehci_atmel_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) module_init(ehci_atmel_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) static void __exit ehci_atmel_cleanup(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) platform_driver_unregister(&ehci_atmel_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) module_exit(ehci_atmel_cleanup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) MODULE_DESCRIPTION(DRIVER_DESC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) MODULE_ALIAS("platform:atmel-ehci");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) MODULE_AUTHOR("Nicolas Ferre");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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