linux_dsm_epyc7002/arch/arm/plat-s5p/dev-ehci.c
Joonyoung Shim 8f1d169f99 ARM: EXYNOS4: Add usb host phy control
EXYNOS4 has 2 phys for usb host and usb device. This patch supports to
control usb host phy of EXYNOS4.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-13 16:50:44 -07:00

58 lines
1.4 KiB
C

/*
* Copyright (C) 2011 Samsung Electronics Co.Ltd
* Author: Joonyoung Shim <jy0922.shim@samsung.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <linux/platform_device.h>
#include <mach/irqs.h>
#include <mach/map.h>
#include <plat/devs.h>
#include <plat/ehci.h>
#include <plat/usb-phy.h>
/* USB EHCI Host Controller registration */
static struct resource s5p_ehci_resource[] = {
[0] = {
.start = S5P_PA_EHCI,
.end = S5P_PA_EHCI + SZ_256 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_USB_HOST,
.end = IRQ_USB_HOST,
.flags = IORESOURCE_IRQ,
}
};
static u64 s5p_device_ehci_dmamask = 0xffffffffUL;
struct platform_device s5p_device_ehci = {
.name = "s5p-ehci",
.id = -1,
.num_resources = ARRAY_SIZE(s5p_ehci_resource),
.resource = s5p_ehci_resource,
.dev = {
.dma_mask = &s5p_device_ehci_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
void __init s5p_ehci_set_platdata(struct s5p_ehci_platdata *pd)
{
struct s5p_ehci_platdata *npd;
npd = s3c_set_platdata(pd, sizeof(struct s5p_ehci_platdata),
&s5p_device_ehci);
if (!npd->phy_init)
npd->phy_init = s5p_usb_phy_init;
if (!npd->phy_exit)
npd->phy_exit = s5p_usb_phy_exit;
}