10 files changed, 71 insertions, 152 deletions

diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
index a0267a9ab466..e7d017cdc438 100644
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -33,10 +33,8 @@
 
 #include <mach/control.h>
 #include <mach/gpio.h>
-#include <mach/gpioexpander.h>
 #include <mach/mux.h>
 #include <mach/usb.h>
-#include <mach/irda.h>
 #include <mach/board.h>
 #include <mach/common.h>
 #include <mach/keypad.h>
@@ -138,98 +136,6 @@ static struct platform_device h4_flash_device = {
         .resource       = &h4_flash_resource,
 };
 
-/* Select between the IrDA and aGPS module
- */
-static int h4_select_irda(struct device *dev, int state)
-{
-        unsigned char expa;
-        int err = 0;
-
-        if ((err = read_gpio_expa(&expa, 0x21))) {
-                printk(KERN_ERR "Error reading from I/O expander\n");
-                return err;
-        }
-
-        /* 'P6' enable/disable IRDA_TX and IRDA_RX */
-        if (state & IR_SEL) {   /* IrDa */
-                if ((err = write_gpio_expa(expa | 0x01, 0x21))) {
-                        printk(KERN_ERR "Error writing to I/O expander\n");
-                        return err;
-                }
-        } else {
-                if ((err = write_gpio_expa(expa & ~0x01, 0x21))) {
-                        printk(KERN_ERR "Error writing to I/O expander\n");
-                        return err;
-                }
-        }
-        return err;
-}
-
-static void set_trans_mode(struct work_struct *work)
-{
-        struct omap_irda_config *irda_config =
-                container_of(work, struct omap_irda_config, gpio_expa.work);
-        int mode = irda_config->mode;
-        unsigned char expa;
-        int err = 0;
-
-        if ((err = read_gpio_expa(&expa, 0x20)) != 0) {
-                printk(KERN_ERR "Error reading from I/O expander\n");
-        }
-
-        expa &= ~0x01;
-
-        if (!(mode & IR_SIRMODE)) { /* MIR/FIR */
-                expa |= 0x01;
-        }
-
-        if ((err = write_gpio_expa(expa, 0x20)) != 0) {
-                printk(KERN_ERR "Error writing to I/O expander\n");
-        }
-}
-
-static int h4_transceiver_mode(struct device *dev, int mode)
-{
-        struct omap_irda_config *irda_config = dev->platform_data;
-
-        irda_config->mode = mode;
-        cancel_delayed_work(&irda_config->gpio_expa);
-        PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
-        schedule_delayed_work(&irda_config->gpio_expa, 0);
-
-        return 0;
-}
-
-static struct omap_irda_config h4_irda_data = {
-        .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
-        .transceiver_mode       = h4_transceiver_mode,
-        .select_irda            = h4_select_irda,
-        .rx_channel             = OMAP24XX_DMA_UART3_RX,
-        .tx_channel             = OMAP24XX_DMA_UART3_TX,
-        .dest_start             = OMAP_UART3_BASE,
-        .src_start              = OMAP_UART3_BASE,
-        .tx_trigger             = OMAP24XX_DMA_UART3_TX,
-        .rx_trigger             = OMAP24XX_DMA_UART3_RX,
-};
-
-static struct resource h4_irda_resources[] = {
-        [0] = {
-                .start  = INT_24XX_UART3_IRQ,
-                .end    = INT_24XX_UART3_IRQ,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-
-static struct platform_device h4_irda_device = {
-        .name           = "omapirda",
-        .id             = -1,
-        .dev            = {
-                .platform_data  = &h4_irda_data,
-        },
-        .num_resources  = 1,
-        .resource       = h4_irda_resources,
-};
-
 static struct omap_kp_platform_data h4_kp_data = {
         .rows           = 6,
         .cols           = 7,
@@ -255,7 +161,6 @@ static struct platform_device h4_lcd_device = {
 
 static struct platform_device *h4_devices[] __initdata = {
         &h4_flash_device,
-        &h4_irda_device,
         &h4_kp_device,
         &h4_lcd_device,
 };
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 744740ae1b9c..3a7a29d1f9a7 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -42,6 +42,7 @@
 #include <mach/nand.h>
 #include <mach/mux.h>
 #include <mach/usb.h>
+#include <mach/timer-gp.h>
 
 #include "mmc-twl4030.h"
 
@@ -186,6 +187,9 @@ static void __init omap3_beagle_init_irq(void)
 {
         omap2_init_common_hw(NULL);
         omap_init_irq();
+#ifdef CONFIG_OMAP_32K_TIMER
+        omap2_gp_clockevent_set_gptimer(12);
+#endif
         omap_gpio_init();
 }
 
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index 3a0daac6c839..374ff63c3eb2 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -15,7 +15,6 @@
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/io.h>
-#include <linux/delay.h>
 #include <linux/gpio.h>
 
 #include <mach/hardware.h>
diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c
index 1e839c5a28c5..efc59c49341b 100644
--- a/arch/arm/mach-omap2/clock24xx.c
+++ b/arch/arm/mach-omap2/clock24xx.c
@@ -60,12 +60,13 @@ struct omap_clk {
                 },                      \
         }
 
-#define CK_243X (1 << 0)
-#define CK_242X (1 << 1)
+#define CK_243X                 RATE_IN_243X
+#define CK_242X                 RATE_IN_242X
 
 static struct omap_clk omap24xx_clks[] = {
         /* external root sources */
         CLK(NULL,       "func_32k_ck",  &func_32k_ck,   CK_243X | CK_242X),
+        CLK(NULL,       "secure_32k_ck", &secure_32k_ck, CK_243X | CK_242X),
         CLK(NULL,       "osc_ck",       &osc_ck,        CK_243X | CK_242X),
         CLK(NULL,       "sys_ck",       &sys_ck,        CK_243X | CK_242X),
         CLK(NULL,       "alt_ck",       &alt_ck,        CK_243X | CK_242X),
@@ -711,7 +712,7 @@ int __init omap2_clk_init(void)
 {
         struct prcm_config *prcm;
         struct omap_clk *c;
-        u32 clkrate, cpu_mask;
+        u32 clkrate;
 
         if (cpu_is_omap242x())
                 cpu_mask = RATE_IN_242X;
@@ -720,21 +721,15 @@ int __init omap2_clk_init(void)
 
         clk_init(&omap2_clk_functions);
 
+        for (c = omap24xx_clks; c < omap24xx_clks + ARRAY_SIZE(omap24xx_clks); c++)
+                clk_init_one(c->lk.clk);
+
         osc_ck.rate = omap2_osc_clk_recalc(&osc_ck);
         propagate_rate(&osc_ck);
         sys_ck.rate = omap2_sys_clk_recalc(&sys_ck);
         propagate_rate(&sys_ck);
 
         for (c = omap24xx_clks; c < omap24xx_clks + ARRAY_SIZE(omap24xx_clks); c++)
-                clk_init_one(c->lk.clk);
-
-        cpu_mask = 0;
-        if (cpu_is_omap2420())
-                cpu_mask |= CK_242X;
-        if (cpu_is_omap2430())
-                cpu_mask |= CK_243X;
-
-        for (c = omap24xx_clks; c < omap24xx_clks + ARRAY_SIZE(omap24xx_clks); c++)
                 if (c->cpu & cpu_mask) {
                         clkdev_add(&c->lk);
                         clk_register(c->lk.clk);
diff --git a/arch/arm/mach-omap2/clock24xx.h b/arch/arm/mach-omap2/clock24xx.h
index 33c3e5b14323..88c5acb40fcf 100644
--- a/arch/arm/mach-omap2/clock24xx.h
+++ b/arch/arm/mach-omap2/clock24xx.h
@@ -625,6 +625,14 @@ static struct clk func_32k_ck = {
         .clkdm_name     = "wkup_clkdm",
 };
 
+static struct clk secure_32k_ck = {
+        .name           = "secure_32k_ck",
+        .ops            = &clkops_null,
+        .rate           = 32768,
+        .flags          = RATE_FIXED,
+        .clkdm_name     = "wkup_clkdm",
+};
+
 /* Typical 12/13MHz in standalone mode, will be 26Mhz in chassis mode */
 static struct clk osc_ck = {            /* (*12, *13, 19.2, *26, 38.4)MHz */
         .name           = "osc_ck",
@@ -1790,7 +1798,7 @@ static struct clk gpt12_ick = {
 static struct clk gpt12_fck = {
         .name           = "gpt12_fck",
         .ops            = &clkops_omap2_dflt_wait,
-        .parent         = &func_32k_ck,
+        .parent         = &secure_32k_ck,
         .clkdm_name     = "core_l4_clkdm",
         .enable_reg     = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
         .enable_bit     = OMAP24XX_EN_GPT12_SHIFT,
diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h
index 70ec10deb654..6763b8f73028 100644
--- a/arch/arm/mach-omap2/clock34xx.h
+++ b/arch/arm/mach-omap2/clock34xx.h
@@ -2052,7 +2052,7 @@ static struct clk dss_ick = {
 
 static struct clk cam_mclk = {
         .name           = "cam_mclk",
-        .ops            = &clkops_omap2_dflt_wait,
+        .ops            = &clkops_omap2_dflt,
         .parent         = &dpll4_m5x2_ck,
         .enable_reg     = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_FCLKEN),
         .enable_bit     = OMAP3430_EN_CAM_SHIFT,
@@ -2063,7 +2063,7 @@ static struct clk cam_mclk = {
 static struct clk cam_ick = {
         /* Handles both L3 and L4 clocks */
         .name           = "cam_ick",
-        .ops            = &clkops_omap2_dflt_wait,
+        .ops            = &clkops_omap2_dflt,
         .parent         = &l4_ick,
         .init           = &omap2_init_clk_clkdm,
         .enable_reg     = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_ICLKEN),
@@ -2074,7 +2074,7 @@ static struct clk cam_ick = {
 
 static struct clk csi2_96m_fck = {
         .name           = "csi2_96m_fck",
-        .ops            = &clkops_omap2_dflt_wait,
+        .ops            = &clkops_omap2_dflt,
         .parent         = &core_96m_fck,
         .init           = &omap2_init_clk_clkdm,
         .enable_reg     = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_FCLKEN),
@@ -2901,7 +2901,6 @@ static struct clk sr_l4_ick = {
 
 /* SECURE_32K_FCK clocks */
 
-/* XXX This clock no longer exists in 3430 TRM rev F */
 static struct clk gpt12_fck = {
         .name           = "gpt12_fck",
         .ops            = &clkops_null,
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index d6b4b2f8722f..496983ade97e 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -25,7 +25,6 @@
 #include <mach/board.h>
 #include <mach/mux.h>
 #include <mach/gpio.h>
-#include <mach/eac.h>
 #include <mach/mmc.h>
 
 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
@@ -366,38 +365,6 @@ static void omap_init_mcspi(void)
 static inline void omap_init_mcspi(void) {}
 #endif
 
-#ifdef CONFIG_SND_OMAP24XX_EAC
-
-#define OMAP2_EAC_BASE                  0x48090000
-
-static struct resource omap2_eac_resources[] = {
-        {
-                .start          = OMAP2_EAC_BASE,
-                .end            = OMAP2_EAC_BASE + 0x109,
-                .flags          = IORESOURCE_MEM,
-        },
-};
-
-static struct platform_device omap2_eac_device = {
-        .name           = "omap24xx-eac",
-        .id             = -1,
-        .num_resources  = ARRAY_SIZE(omap2_eac_resources),
-        .resource       = omap2_eac_resources,
-        .dev = {
-                .platform_data = NULL,
-        },
-};
-
-void omap_init_eac(struct eac_platform_data *pdata)
-{
-        omap2_eac_device.dev.platform_data = pdata;
-        platform_device_register(&omap2_eac_device);
-}
-
-#else
-void omap_init_eac(struct eac_platform_data *pdata) {}
-#endif
-
 #ifdef CONFIG_OMAP_SHA1_MD5
 static struct resource sha1_md5_resources[] = {
         {
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 9ba20d985dda..998c5c45587e 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -73,9 +73,9 @@ static int omap_check_spurious(unsigned int irq)
         u32 sir, spurious;
 
         sir = intc_bank_read_reg(&irq_banks[0], INTC_SIR);
-        spurious = sir >> 6;
+        spurious = sir >> 7;
 
-        if (spurious > 1) {
+        if (spurious) {
                 printk(KERN_WARNING "Spurious irq %i: 0x%08x, please flush "
                                         "posted write for irq %i\n",
                                         irq, sir, previous_irq);
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index 1cb2c0909c2b..f36aba12090e 100644
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -3,6 +3,8 @@
  *
  * OMAP2 GP timer support.
  *
+ * Copyright (C) 2009 Nokia Corporation
+ *
  * Update to use new clocksource/clockevent layers
  * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
  * Copyright (C) 2007 MontaVista Software, Inc.
@@ -36,8 +38,13 @@
 #include <asm/mach/time.h>
 #include <mach/dmtimer.h>
 
+/* MAX_GPTIMER_ID: number of GPTIMERs on the chip */
+#define MAX_GPTIMER_ID          12
+
 static struct omap_dm_timer *gptimer;
 static struct clock_event_device clockevent_gpt;
+static u8 __initdata gptimer_id = 1;
+static u8 __initdata inited;
 
 static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id)
 {
@@ -95,20 +102,53 @@ static struct clock_event_device clockevent_gpt = {
         .set_mode       = omap2_gp_timer_set_mode,
 };
 
+/**
+ * omap2_gp_clockevent_set_gptimer - set which GPTIMER is used for clockevents
+ * @id: GPTIMER to use (1..MAX_GPTIMER_ID)
+ *
+ * Define the GPTIMER that the system should use for the tick timer.
+ * Meant to be called from board-*.c files in the event that GPTIMER1, the
+ * default, is unsuitable.  Returns -EINVAL on error or 0 on success.
+ */
+int __init omap2_gp_clockevent_set_gptimer(u8 id)
+{
+        if (id < 1 || id > MAX_GPTIMER_ID)
+                return -EINVAL;
+
+        BUG_ON(inited);
+
+        gptimer_id = id;
+
+        return 0;
+}
+
 static void __init omap2_gp_clockevent_init(void)
 {
         u32 tick_rate;
+        int src;
+
+        inited = 1;
 
-        gptimer = omap_dm_timer_request_specific(1);
+        gptimer = omap_dm_timer_request_specific(gptimer_id);
         BUG_ON(gptimer == NULL);
 
 #if defined(CONFIG_OMAP_32K_TIMER)
-        omap_dm_timer_set_source(gptimer, OMAP_TIMER_SRC_32_KHZ);
+        src = OMAP_TIMER_SRC_32_KHZ;
 #else
-        omap_dm_timer_set_source(gptimer, OMAP_TIMER_SRC_SYS_CLK);
+        src = OMAP_TIMER_SRC_SYS_CLK;
+        WARN(gptimer_id == 12, "WARNING: GPTIMER12 can only use the "
+             "secure 32KiHz clock source\n");
 #endif
+
+        if (gptimer_id != 12)
+                WARN(IS_ERR_VALUE(omap_dm_timer_set_source(gptimer, src)),
+                     "timer-gp: omap_dm_timer_set_source() failed\n");
+
         tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer));
 
+        pr_info("OMAP clockevent source: GPTIMER%d at %u Hz\n",
+                gptimer_id, tick_rate);
+
         omap2_gp_timer_irq.dev_id = (void *)gptimer;
         setup_irq(omap_dm_timer_get_irq(gptimer), &omap2_gp_timer_irq);
         omap_dm_timer_set_int_enable(gptimer, OMAP_TIMER_INT_OVERFLOW);
@@ -125,6 +165,8 @@ static void __init omap2_gp_clockevent_init(void)
         clockevents_register_device(&clockevent_gpt);
 }
 
+/* Clocksource code */
+
 #ifdef CONFIG_OMAP_32K_TIMER
 /* 
  * When 32k-timer is enabled, don't use GPTimer for clocksource
diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c
index 15e509013def..8df55f40f4c0 100644
--- a/arch/arm/mach-omap2/usb-tusb6010.c
+++ b/arch/arm/mach-omap2/usb-tusb6010.c
@@ -187,7 +187,7 @@ int tusb6010_platform_retime(unsigned is_refclk)
         unsigned        sysclk_ps;
         int             status;
 
-        if (!refclk_psec)
+        if (!refclk_psec || sysclk_ps == 0)
                 return -ENODEV;
 
         sysclk_ps = is_refclk ? refclk_psec : TUSB6010_OSCCLK_60;