From: Hema HK <hemahk@xxxxxx>
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@xxxxxx>
Cc: Tony Lindgren <tony@xxxxxxxxxxx>
Cc: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
Cc: Cousson, Benoit <b-cousson@xxxxxx>
Cc: Paul Walmsley <paul@xxxxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
arch/arm/mach-omap2/usb-musb.c | 84 +++++++++++++++++++++-------------------
1 files changed, 44 insertions(+), 40 deletions(-)
diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c
index 5a82b43..b089ea4 100644
--- a/arch/arm/mach-omap2/usb-musb.c
+++ b/arch/arm/mach-omap2/usb-musb.c
@@ -30,6 +30,7 @@
#include <mach/irqs.h>
#include <mach/am35xx.h>
#include <plat/usb.h>
+#include <plat/omap_device.h>
#include "control.h"
#include "mux.h"
@@ -127,22 +128,6 @@ static void am35x_musb_set_mode(u8 musb_mode)
omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
}
-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,
@@ -170,16 +155,12 @@ 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)
@@ -219,28 +200,24 @@ 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;
+ 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()) {
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;
-
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
@@ -252,8 +229,35 @@ 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
--
1.7.4.rc2
--
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