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OMAP2+: musb: hwmod adaptation for musb registration

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Using omap_device_build API instead of platform_device_register for
OMAP2430,OMAP3xxx, OMAP4430 and AM35x musb device registration.
The device specific resources defined in centralized
database will be used.

Signed-off-by: Hema HK <hemahk@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Cousson, Benoit <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Hema HK 2011-02-17 12:07:21 +05:30 committed by Felipe Balbi
parent 273ff8c3bc
commit 18a26892d6
1 changed files with 44 additions and 40 deletions
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84
arch/arm/mach-omap2/usb-musb.c
View file

@ -30,26 +30,11 @@
#include <mach/irqs.h>
#include <mach/am35xx.h>
#include <plat/usb.h>
#include <plat/omap_device.h>
#include "mux.h"
#if defined(CONFIG_USB_MUSB_OMAP2PLUS) || defined (CONFIG_USB_MUSB_AM35X)
static struct resource musb_resources[] = {
[0] = { /* start and end set dynamically */
.flags = IORESOURCE_MEM,
},
[1] = { /* general IRQ */
.start = INT_243X_HS_USB_MC,
.flags = IORESOURCE_IRQ,
.name = "mc",
},
[2] = { /* DMA IRQ */
.start = INT_243X_HS_USB_DMA,
.flags = IORESOURCE_IRQ,
.name = "dma",
},
};
static struct musb_hdrc_config musb_config = {
.multipoint = 1,
.dyn_fifo = 1,
@ -77,16 +62,12 @@ static struct musb_hdrc_platform_data musb_plat = {
static u64 musb_dmamask = DMA_BIT_MASK(32);
static struct platform_device musb_device = {
.name = "musb-omap2430",
.id = -1,
.dev = {
.dma_mask = &musb_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &musb_plat,
static struct omap_device_pm_latency omap_musb_latency[] = {
{
.deactivate_func = omap_device_idle_hwmods,
.activate_func = omap_device_enable_hwmods,
.flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
},
.num_resources = ARRAY_SIZE(musb_resources),
.resource = musb_resources,
};
static void usb_musb_mux_init(struct omap_musb_board_data *board_data)
@ -126,24 +107,20 @@ static void usb_musb_mux_init(struct omap_musb_board_data *board_data)
break;
}
}
void __init usb_musb_init(struct omap_musb_board_data *board_data)
{
if (cpu_is_omap243x()) {
musb_resources[0].start = OMAP243X_HS_BASE;
} else if (cpu_is_omap3517() || cpu_is_omap3505()) {
musb_device.name = "musb-am35x";
musb_resources[0].start = AM35XX_IPSS_USBOTGSS_BASE;
musb_resources[1].start = INT_35XX_USBOTG_IRQ;
} else if (cpu_is_omap34xx()) {
musb_resources[0].start = OMAP34XX_HSUSB_OTG_BASE;
} else if (cpu_is_omap44xx()) {
musb_resources[0].start = OMAP44XX_HSUSB_OTG_BASE;
musb_resources[1].start = OMAP44XX_IRQ_HS_USB_MC_N;
musb_resources[2].start = OMAP44XX_IRQ_HS_USB_DMA_N;
struct omap_hwmod *oh;
struct omap_device *od;
struct platform_device *pdev;
struct device *dev;
int bus_id = -1;
const char *oh_name, *name;
if (cpu_is_omap3517() || cpu_is_omap3505()) {
} else if (cpu_is_omap44xx()) {
usb_musb_mux_init(board_data);
}
musb_resources[0].end = musb_resources[0].start + SZ_4K - 1;
/*
* REVISIT: This line can be removed once all the platforms using
@ -155,8 +132,35 @@ void __init usb_musb_init(struct omap_musb_board_data *board_data)
musb_plat.mode = board_data->mode;
musb_plat.extvbus = board_data->extvbus;
if (platform_device_register(&musb_device) < 0)
printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n");
if (cpu_is_omap3517() || cpu_is_omap3505()) {
oh_name = "am35x_otg_hs";
name = "musb-am35x";
} else {
oh_name = "usb_otg_hs";
name = "musb-omap2430";
}
oh = omap_hwmod_lookup(oh_name);
if (!oh) {
pr_err("Could not look up %s\n", oh_name);
return;
}
od = omap_device_build(name, bus_id, oh, &musb_plat,
sizeof(musb_plat), omap_musb_latency,
ARRAY_SIZE(omap_musb_latency), false);
if (IS_ERR(od)) {
pr_err("Could not build omap_device for %s %s\n",
name, oh_name);
return;
}
pdev = &od->pdev;
dev = &pdev->dev;
get_device(dev);
dev->dma_mask = &musb_dmamask;
dev->coherent_dma_mask = musb_dmamask;
put_device(dev);
}
#else