Using omap_device_build API instead of platform_device_register for
OMAP2430,OMAP34xx and OMAP4430 musb device registration.
The device specific resources defined in centralized
database will be used.
Signed-off-by: Hema HK <hemahk@xxxxxx>
Cc: Felipe Balbi <balbi@xxxxxx>
Cc: Tony Lindgren <tony@xxxxxxxxxxx>
Cc: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
Cc: Cousson, Benoit <b-cousson@xxxxxx>
Cc: Paul Walmsley <paul@xxxxxxxxx>
---
arch/arm/mach-omap2/usb-musb.c | 76 +++++++++++++++++++++++++++++------------
1 file changed, 55 insertions(+), 21 deletions(-)
Index: linux-2.6/arch/arm/mach-omap2/usb-musb.c
===================================================================
--- linux-2.6.orig/arch/arm/mach-omap2/usb-musb.c
+++ linux-2.6/arch/arm/mach-omap2/usb-musb.c
@@ -31,9 +31,12 @@
#include <mach/am35xx.h>
#include <plat/usb.h>
#include "control.h"
+#include <plat/omap_device.h>
#if defined(CONFIG_USB_MUSB_OMAP2PLUS) || defined (CONFIG_USB_MUSB_AM35X)
+static const char name[] = "musb-omap2430";
+
static void am35x_musb_reset(void)
{
u32 regval;
@@ -170,7 +173,7 @@ static struct musb_hdrc_platform_data mu
static u64 musb_dmamask = DMA_BIT_MASK(32);
static struct platform_device musb_device = {
- .name = "musb-omap2430",
+ .name = "musb-am35x",
.id = -1,
.dev = {
.dma_mask = &musb_dmamask,
@@ -181,26 +184,23 @@ static struct platform_device musb_devic
.resource = musb_resources,
};
+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,
+ },
+};
+
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;
- board_data->set_phy_power = am35x_musb_phy_power;
- board_data->clear_irq = am35x_musb_clear_irq;
- board_data->set_mode = am35x_musb_set_mode;
- board_data->reset = am35x_musb_reset;
- } 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;
- }
- musb_resources[0].end = musb_resources[0].start + SZ_4K - 1;
+ struct omap_hwmod *oh;
+ struct omap_device *od;
+ struct platform_device *pdev;
+ struct device *dev;
+ int bus_id = -1;
+ const char *oh_name = "usb_otg_hs";
+ struct musb_hdrc_platform_data *pdata;
/*
* REVISIT: This line can be removed once all the platforms using
@@ -212,8 +212,42 @@ void __init usb_musb_init(struct omap_mu
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()) {
+ musb_resources[0].start = AM35XX_IPSS_USBOTGSS_BASE;
+ musb_resources[1].start = INT_35XX_USBOTG_IRQ;
+ board_data->set_phy_power = am35x_musb_phy_power;
+ board_data->clear_irq = am35x_musb_clear_irq;
+ board_data->set_mode = am35x_musb_set_mode;
+ board_data->reset = am35x_musb_reset;
+ musb_resources[0].end = musb_resources[0].start + SZ_4K - 1;
+
+ if (platform_device_register(&musb_device) < 0)
+ printk(KERN_ERR "Unable to register HS-USB \
+ (MUSB) device\n");
+ } else {
+ oh = omap_hwmod_lookup(oh_name);
+ if (!oh) {
+ pr_err("Could not look up %s\n", oh_name);
+ return;
+ }
+
+ pdata = &musb_plat;
+ od = omap_device_build(name, bus_id, oh, pdata,
+ sizeof(*pdata), 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
--
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