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 <[email protected]> Cc: Felipe Balbi <[email protected]> Cc: Tony Lindgren <[email protected]> Cc: Kevin Hilman <[email protected]> Cc: Cousson, Benoit <[email protected]> Cc: Paul Walmsley <[email protected]> --- arch/arm/mach-omap2/usb-musb.c | 76 +++++++++++++++++++++++++++++------------ 1 file changed, 55 insertions(+), 21 deletions(-) Index: usb/arch/arm/mach-omap2/usb-musb.c =================================================================== --- usb.orig/arch/arm/mach-omap2/usb-musb.c +++ usb/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 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
