lkml.org 
[lkml]   [2011]   [Sep]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3/5 v11] arm: omap: usb: register hwmods of usbhs
Date
The hwmod structure of uhh, ohci, ehci and tll are
retrieved and registered with omap device

Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Reviewed-by: Partha Basak <parthab@india.ti.com>
---
arch/arm/mach-omap2/usb-host.c | 116 +++++++++++++++++-----------------------
1 files changed, 50 insertions(+), 66 deletions(-)
diff --git a/arch/arm/mach-omap2/usb-host.c b/arch/arm/mach-omap2/usb-host.c
index 89ae298..9bc73eb 100644
--- a/arch/arm/mach-omap2/usb-host.c
+++ b/arch/arm/mach-omap2/usb-host.c
@@ -28,51 +28,30 @@
#include <mach/hardware.h>
#include <mach/irqs.h>
#include <plat/usb.h>
+#include <plat/omap_device.h>

#include "mux.h"

#ifdef CONFIG_MFD_OMAP_USB_HOST

-#define OMAP_USBHS_DEVICE "usbhs-omap"
-
-static struct resource usbhs_resources[] = {
- {
- .name = "uhh",
- .flags = IORESOURCE_MEM,
- },
- {
- .name = "tll",
- .flags = IORESOURCE_MEM,
- },
- {
- .name = "ehci",
- .flags = IORESOURCE_MEM,
- },
- {
- .name = "ehci-irq",
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "ohci",
- .flags = IORESOURCE_MEM,
- },
- {
- .name = "ohci-irq",
- .flags = IORESOURCE_IRQ,
- }
-};
-
-static struct platform_device usbhs_device = {
- .name = OMAP_USBHS_DEVICE,
- .id = 0,
- .num_resources = ARRAY_SIZE(usbhs_resources),
- .resource = usbhs_resources,
-};
+#define OMAP_USBHS_DEVICE "usbhs_omap"
+#define USBHS_UHH_HWMODNAME "usb_host_hs"
+#define USBHS_OHCI_HWMODNAME "usb_ohci_hs"
+#define USBHS_EHCI_HWMODNAME "usb_ehci_hs"
+#define USBHS_TLL_HWMODNAME "usb_tll_hs"

static struct usbhs_omap_platform_data usbhs_data;
static struct ehci_hcd_omap_platform_data ehci_data;
static struct ohci_hcd_omap_platform_data ohci_data;

+static struct omap_device_pm_latency omap_uhhtll_latency[] = {
+ {
+ .deactivate_func = omap_device_idle_hwmods,
+ .activate_func = omap_device_enable_hwmods,
+ .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
+ },
+};
+
/* MUX settings for EHCI pins */
/*
* setup_ehci_io_mux - initialize IO pad mux for USBHOST
@@ -508,7 +487,10 @@ static void setup_4430ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)

void __init usbhs_init(const struct usbhs_omap_board_data *pdata)
{
- int i;
+ struct omap_hwmod *oh[4];
+ struct omap_device *od;
+ int bus_id = -1;
+ int i;

for (i = 0; i < OMAP3_HS_USB_PORTS; i++) {
usbhs_data.port_mode[i] = pdata->port_mode[i];
@@ -523,44 +505,48 @@ void __init usbhs_init(const struct usbhs_omap_board_data *pdata)
usbhs_data.ohci_data = &ohci_data;

if (cpu_is_omap34xx()) {
- usbhs_resources[0].start = OMAP34XX_UHH_CONFIG_BASE;
- usbhs_resources[0].end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1;
- usbhs_resources[1].start = OMAP34XX_USBTLL_BASE;
- usbhs_resources[1].end = OMAP34XX_USBTLL_BASE + SZ_4K - 1;
- usbhs_resources[2].start = OMAP34XX_EHCI_BASE;
- usbhs_resources[2].end = OMAP34XX_EHCI_BASE + SZ_1K - 1;
- usbhs_resources[3].start = INT_34XX_EHCI_IRQ;
- usbhs_resources[4].start = OMAP34XX_OHCI_BASE;
- usbhs_resources[4].end = OMAP34XX_OHCI_BASE + SZ_1K - 1;
- usbhs_resources[5].start = INT_34XX_OHCI_IRQ;
setup_ehci_io_mux(pdata->port_mode);
setup_ohci_io_mux(pdata->port_mode);
} else if (cpu_is_omap44xx()) {
- usbhs_resources[0].start = OMAP44XX_UHH_CONFIG_BASE;
- usbhs_resources[0].end = OMAP44XX_UHH_CONFIG_BASE + SZ_1K - 1;
- usbhs_resources[1].start = OMAP44XX_USBTLL_BASE;
- usbhs_resources[1].end = OMAP44XX_USBTLL_BASE + SZ_4K - 1;
- usbhs_resources[2].start = OMAP44XX_HSUSB_EHCI_BASE;
- usbhs_resources[2].end = OMAP44XX_HSUSB_EHCI_BASE + SZ_1K - 1;
- usbhs_resources[3].start = OMAP44XX_IRQ_EHCI;
- usbhs_resources[4].start = OMAP44XX_HSUSB_OHCI_BASE;
- usbhs_resources[4].end = OMAP44XX_HSUSB_OHCI_BASE + SZ_1K - 1;
- usbhs_resources[5].start = OMAP44XX_IRQ_OHCI;
setup_4430ehci_io_mux(pdata->port_mode);
setup_4430ohci_io_mux(pdata->port_mode);
}

- if (platform_device_add_data(&usbhs_device,
- &usbhs_data, sizeof(usbhs_data)) < 0) {
- printk(KERN_ERR "USBHS platform_device_add_data failed\n");
- goto init_end;
+ oh[0] = omap_hwmod_lookup(USBHS_UHH_HWMODNAME);
+ if (!oh[0]) {
+ pr_err("Could not look up %s\n", USBHS_UHH_HWMODNAME);
+ return;
}

- if (platform_device_register(&usbhs_device) < 0)
- printk(KERN_ERR "USBHS platform_device_register failed\n");
+ oh[1] = omap_hwmod_lookup(USBHS_OHCI_HWMODNAME);
+ if (!oh[1]) {
+ pr_err("Could not look up %s\n", USBHS_UHH_HWMODNAME);
+ return;
+ }

-init_end:
- return;
+ oh[2] = omap_hwmod_lookup(USBHS_EHCI_HWMODNAME);
+ if (!oh[2]) {
+ pr_err("Could not look up %s\n", USBHS_TLL_HWMODNAME);
+ return;
+ }
+
+ oh[3] = omap_hwmod_lookup(USBHS_TLL_HWMODNAME);
+ if (!oh[3]) {
+ pr_err("Could not look up %s\n", USBHS_TLL_HWMODNAME);
+ return;
+ }
+
+ od = omap_device_build_ss(OMAP_USBHS_DEVICE, bus_id, oh, 4,
+ (void *)&usbhs_data, sizeof(usbhs_data),
+ omap_uhhtll_latency,
+ ARRAY_SIZE(omap_uhhtll_latency), false);
+
+ if (IS_ERR(od)) {
+ pr_err("Could not build hwmod devices %s, %s, %s, %s\n",
+ USBHS_UHH_HWMODNAME, USBHS_OHCI_HWMODNAME,
+ USBHS_EHCI_HWMODNAME, USBHS_TLL_HWMODNAME);
+ return;
+ }
}

#else
@@ -570,5 +556,3 @@ void __init usbhs_init(const struct usbhs_omap_board_data *pdata)
}

#endif
-
-
--
1.6.0.4


\
 
 \ /
  Last update: 2011-09-22 13:43    [from the cache]
©2003-2011 Jasper Spaans