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ARM: mmp: add usb host support for PXA168

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The ehci-mv can support PXA168, PXA910 and PXA920, use this driver to
support pxa168 SPH usb.

Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
This commit is contained in:
Neil Zhang 2012-05-03 14:19:15 +08:00 committed by Haojian Zhuang
parent 673eef9814
commit 161105bcb8
3 changed files with 15 additions and 15 deletions
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2
arch/arm/mach-mmp/devices.c
View File

@ -114,7 +114,7 @@ static void u2o_write(void __iomem *base, unsigned int offset,
#if defined(CONFIG_USB_MV_UDC) || defined(CONFIG_USB_EHCI_MV)
#if defined(CONFIG_CPU_PXA910)
#if defined(CONFIG_CPU_PXA910) || defined(CONFIG_CPU_PXA168)
static DEFINE_MUTEX(phy_lock);
static int phy_init_cnt;

8
arch/arm/mach-mmp/include/mach/pxa168.h
View File

@ -16,6 +16,7 @@ extern void pxa168_clear_keypad_wakeup(void);
#include <plat/pxa27x_keypad.h>
#include <mach/cputype.h>
#include <linux/pxa168_eth.h>
#include <linux/platform_data/mv_usb.h>
extern struct pxa_device_desc pxa168_device_uart1;
extern struct pxa_device_desc pxa168_device_uart2;
@ -36,12 +37,9 @@ extern struct pxa_device_desc pxa168_device_fb;
extern struct pxa_device_desc pxa168_device_keypad;
extern struct pxa_device_desc pxa168_device_eth;
struct pxa168_usb_pdata {
/* If NULL, default phy init routine for PXA168 would be called */
int (*phy_init)(void __iomem *usb_phy_reg_base);
};
/* pdata can be NULL */
int __init pxa168_add_usb_host(struct pxa168_usb_pdata *pdata);
extern int __init pxa168_add_usb_host(struct mv_usb_platform_data *pdata);
extern struct platform_device pxa168_device_gpio;

20
arch/arm/mach-mmp/pxa168.c
View File

@ -14,6 +14,7 @@
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/platform_data/mv_usb.h>
#include <asm/mach/time.h>
#include <asm/system_misc.h>
@ -27,6 +28,7 @@
#include <mach/mfp.h>
#include <linux/dma-mapping.h>
#include <mach/pxa168.h>
#include <mach/regs-usb.h>
#include "common.h"
#include "clock.h"
@ -93,7 +95,7 @@ static struct clk_lookup pxa168_clkregs[] = {
INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL),
INIT_CLKREG(&clk_keypad, "pxa27x-keypad", NULL),
INIT_CLKREG(&clk_eth, "pxa168-eth", "MFUCLK"),
INIT_CLKREG(&clk_usb, "pxa168-ehci", "PXA168-USBCLK"),
INIT_CLKREG(&clk_usb, NULL, "PXA168-USBCLK"),
INIT_CLKREG(&clk_rtc, "sa1100-rtc", NULL),
};
@ -184,17 +186,17 @@ struct platform_device pxa168_device_gpio = {
struct resource pxa168_usb_host_resources[] = {
/* USB Host conroller register base */
[0] = {
.start = 0xd4209000,
.end = 0xd4209000 + 0x200,
.start = PXA168_U2H_REGBASE + U2x_CAPREGS_OFFSET,
.end = PXA168_U2H_REGBASE + USB_REG_RANGE,
.flags = IORESOURCE_MEM,
.name = "pxa168-usb-host",
.name = "capregs",
},
/* USB PHY register base */
[1] = {
.start = 0xd4206000,
.end = 0xd4206000 + 0xff,
.start = PXA168_U2H_PHYBASE,
.end = PXA168_U2H_PHYBASE + USB_PHY_RANGE,
.flags = IORESOURCE_MEM,
.name = "pxa168-usb-phy",
.name = "phyregs",
},
[2] = {
.start = IRQ_PXA168_USB2,
@ -205,7 +207,7 @@ struct resource pxa168_usb_host_resources[] = {
static u64 pxa168_usb_host_dmamask = DMA_BIT_MASK(32);
struct platform_device pxa168_device_usb_host = {
.name = "pxa168-ehci",
.name = "pxa-sph",
.id = -1,
.dev = {
.dma_mask = &pxa168_usb_host_dmamask,
@ -216,7 +218,7 @@ struct platform_device pxa168_device_usb_host = {
.resource = pxa168_usb_host_resources,
};
int __init pxa168_add_usb_host(struct pxa168_usb_pdata *pdata)
int __init pxa168_add_usb_host(struct mv_usb_platform_data *pdata)
{
pxa168_device_usb_host.dev.platform_data = pdata;
return platform_device_register(&pxa168_device_usb_host);