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-rw-r--r--arch/arm/plat-omap/clock.c12
-rw-r--r--arch/arm/plat-omap/include/plat/clkdev_omap.h1
-rw-r--r--arch/arm/plat-omap/include/plat/clock.h2
-rw-r--r--arch/arm/plat-omap/include/plat/cpu.h35
-rw-r--r--arch/arm/plat-omap/include/plat/gpio.h20
-rw-r--r--arch/arm/plat-omap/include/plat/omap_device.h9
-rw-r--r--arch/arm/plat-omap/omap_device.c53
-rw-r--r--arch/arm/plat-omap/sram.c15
8 files changed, 120 insertions, 27 deletions
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index c9122dd..964704f 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -480,13 +480,10 @@ static struct dentry *clk_debugfs_root;
static int clk_debugfs_register_one(struct clk *c)
{
int err;
- struct dentry *d, *child, *child_tmp;
+ struct dentry *d;
struct clk *pa = c->parent;
- char s[255];
- char *p = s;
- p += sprintf(p, "%s", c->name);
- d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root);
+ d = debugfs_create_dir(c->name, pa ? pa->dent : clk_debugfs_root);
if (!d)
return -ENOMEM;
c->dent = d;
@@ -509,10 +506,7 @@ static int clk_debugfs_register_one(struct clk *c)
return 0;
err_out:
- d = c->dent;
- list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child)
- debugfs_remove(child);
- debugfs_remove(c->dent);
+ debugfs_remove_recursive(c->dent);
return err;
}
diff --git a/arch/arm/plat-omap/include/plat/clkdev_omap.h b/arch/arm/plat-omap/include/plat/clkdev_omap.h
index f1899a3e..387a963 100644
--- a/arch/arm/plat-omap/include/plat/clkdev_omap.h
+++ b/arch/arm/plat-omap/include/plat/clkdev_omap.h
@@ -39,6 +39,7 @@ struct omap_clk {
#define CK_36XX (1 << 10) /* 36xx/37xx-specific clocks */
#define CK_443X (1 << 11)
#define CK_TI816X (1 << 12)
+#define CK_446X (1 << 13)
#define CK_34XX (CK_3430ES1 | CK_3430ES2PLUS)
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index f57e064..df4b968 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -58,10 +58,12 @@ struct clkops {
#define RATE_IN_36XX (1 << 4)
#define RATE_IN_4430 (1 << 5)
#define RATE_IN_TI816X (1 << 6)
+#define RATE_IN_4460 (1 << 7)
#define RATE_IN_24XX (RATE_IN_242X | RATE_IN_243X)
#define RATE_IN_34XX (RATE_IN_3430ES1 | RATE_IN_3430ES2PLUS)
#define RATE_IN_3XXX (RATE_IN_34XX | RATE_IN_36XX)
+#define RATE_IN_44XX (RATE_IN_4430 | RATE_IN_4460)
/* RATE_IN_3430ES2PLUS_36XX includes 34xx/35xx with ES >=2, and all 36xx/37xx */
#define RATE_IN_3430ES2PLUS_36XX (RATE_IN_3430ES2PLUS | RATE_IN_36XX)
diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index 8198bb6..67b3d75 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -88,6 +88,7 @@ unsigned int omap_rev(void);
* cpu_is_omap243x(): True for OMAP2430
* cpu_is_omap343x(): True for OMAP3430
* cpu_is_omap443x(): True for OMAP4430
+ * cpu_is_omap446x(): True for OMAP4460
*/
#define GET_OMAP_CLASS (omap_rev() & 0xff)
@@ -123,6 +124,7 @@ IS_OMAP_SUBCLASS(243x, 0x243)
IS_OMAP_SUBCLASS(343x, 0x343)
IS_OMAP_SUBCLASS(363x, 0x363)
IS_OMAP_SUBCLASS(443x, 0x443)
+IS_OMAP_SUBCLASS(446x, 0x446)
IS_TI_SUBCLASS(816x, 0x816)
@@ -137,6 +139,7 @@ IS_TI_SUBCLASS(816x, 0x816)
#define cpu_is_ti816x() 0
#define cpu_is_omap44xx() 0
#define cpu_is_omap443x() 0
+#define cpu_is_omap446x() 0
#if defined(MULTI_OMAP1)
# if defined(CONFIG_ARCH_OMAP730)
@@ -361,8 +364,10 @@ IS_OMAP_TYPE(3517, 0x3517)
# if defined(CONFIG_ARCH_OMAP4)
# undef cpu_is_omap44xx
# undef cpu_is_omap443x
+# undef cpu_is_omap446x
# define cpu_is_omap44xx() is_omap44xx()
# define cpu_is_omap443x() is_omap443x()
+# define cpu_is_omap446x() is_omap446x()
# endif
/* Macros to detect if we have OMAP1 or OMAP2 */
@@ -410,6 +415,9 @@ IS_OMAP_TYPE(3517, 0x3517)
#define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8))
#define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8))
+#define OMAP446X_CLASS 0x44600044
+#define OMAP4460_REV_ES1_0 (OMAP446X_CLASS | (0x10 << 8))
+
/*
* omap_chip bits
*
@@ -439,13 +447,15 @@ IS_OMAP_TYPE(3517, 0x3517)
#define CHIP_IS_OMAP4430ES2_1 (1 << 12)
#define CHIP_IS_OMAP4430ES2_2 (1 << 13)
#define CHIP_IS_TI816X (1 << 14)
+#define CHIP_IS_OMAP4460ES1_0 (1 << 15)
#define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
#define CHIP_IS_OMAP4430 (CHIP_IS_OMAP4430ES1 | \
CHIP_IS_OMAP4430ES2 | \
CHIP_IS_OMAP4430ES2_1 | \
- CHIP_IS_OMAP4430ES2_2)
+ CHIP_IS_OMAP4430ES2_2 | \
+ CHIP_IS_OMAP4460ES1_0)
/*
* "GE" here represents "greater than or equal to" in terms of ES
@@ -468,7 +478,7 @@ void omap2_check_revision(void);
/*
* Runtime detection of OMAP3 features
*/
-extern u32 omap3_features;
+extern u32 omap_features;
#define OMAP3_HAS_L2CACHE BIT(0)
#define OMAP3_HAS_IVA BIT(1)
@@ -478,11 +488,15 @@ extern u32 omap3_features;
#define OMAP3_HAS_192MHZ_CLK BIT(5)
#define OMAP3_HAS_IO_WAKEUP BIT(6)
#define OMAP3_HAS_SDRC BIT(7)
+#define OMAP4_HAS_MPU_1GHZ BIT(8)
+#define OMAP4_HAS_MPU_1_2GHZ BIT(9)
+#define OMAP4_HAS_MPU_1_5GHZ BIT(10)
+
#define OMAP3_HAS_FEATURE(feat,flag) \
static inline unsigned int omap3_has_ ##feat(void) \
{ \
- return (omap3_features & OMAP3_HAS_ ##flag); \
+ return omap_features & OMAP3_HAS_ ##flag; \
} \
OMAP3_HAS_FEATURE(l2cache, L2CACHE)
@@ -494,4 +508,19 @@ OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
OMAP3_HAS_FEATURE(sdrc, SDRC)
+/*
+ * Runtime detection of OMAP4 features
+ */
+extern u32 omap_features;
+
+#define OMAP4_HAS_FEATURE(feat, flag) \
+static inline unsigned int omap4_has_ ##feat(void) \
+{ \
+ return omap_features & OMAP4_HAS_ ##flag; \
+} \
+
+OMAP4_HAS_FEATURE(mpu_1ghz, MPU_1GHZ)
+OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
+OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)
+
#endif
diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h
index ec97e00..91e8de3 100644
--- a/arch/arm/plat-omap/include/plat/gpio.h
+++ b/arch/arm/plat-omap/include/plat/gpio.h
@@ -174,12 +174,32 @@ struct omap_gpio_dev_attr {
bool dbck_flag; /* dbck required or not - True for OMAP3&4 */
};
+struct omap_gpio_reg_offs {
+ u16 revision;
+ u16 direction;
+ u16 datain;
+ u16 dataout;
+ u16 set_dataout;
+ u16 clr_dataout;
+ u16 irqstatus;
+ u16 irqstatus2;
+ u16 irqenable;
+ u16 set_irqenable;
+ u16 clr_irqenable;
+ u16 debounce;
+ u16 debounce_en;
+
+ bool irqenable_inv;
+};
+
struct omap_gpio_platform_data {
u16 virtual_irq_start;
int bank_type;
int bank_width; /* GPIO bank width */
int bank_stride; /* Only needed for omap1 MPUIO */
bool dbck_flag; /* dbck required or not - True for OMAP3&4 */
+
+ struct omap_gpio_reg_offs *regs;
};
/* TODO: Analyze removing gpio_bank_count usage from driver code */
diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h
index e4c349f..ee405b36 100644
--- a/arch/arm/plat-omap/include/plat/omap_device.h
+++ b/arch/arm/plat-omap/include/plat/omap_device.h
@@ -44,6 +44,10 @@ extern struct device omap_device_parent;
#define OMAP_DEVICE_STATE_IDLE 2
#define OMAP_DEVICE_STATE_SHUTDOWN 3
+/* omap_device.flags values */
+#define OMAP_DEVICE_SUSPENDED BIT(0)
+#define OMAP_DEVICE_NO_IDLE_ON_SUSPEND BIT(1)
+
/**
* struct omap_device - omap_device wrapper for platform_devices
* @pdev: platform_device
@@ -73,6 +77,7 @@ struct omap_device {
s8 pm_lat_level;
u8 hwmods_cnt;
u8 _state;
+ u8 flags;
};
/* Device driver interface (call via platform_data fn ptrs) */
@@ -117,6 +122,10 @@ int omap_device_enable_hwmods(struct omap_device *od);
int omap_device_disable_clocks(struct omap_device *od);
int omap_device_enable_clocks(struct omap_device *od);
+static inline void omap_device_disable_idle_on_suspend(struct omap_device *od)
+{
+ od->flags |= OMAP_DEVICE_NO_IDLE_ON_SUSPEND;
+}
/*
* Entries should be kept in latency order ascending
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index c8b9cd1..3471c65 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -532,6 +532,7 @@ int omap_early_device_register(struct omap_device *od)
return 0;
}
+#ifdef CONFIG_PM_RUNTIME
static int _od_runtime_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
@@ -558,13 +559,55 @@ static int _od_runtime_resume(struct device *dev)
return pm_generic_runtime_resume(dev);
}
+#endif
-static struct dev_power_domain omap_device_power_domain = {
+#ifdef CONFIG_SUSPEND
+static int _od_suspend_noirq(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct omap_device *od = to_omap_device(pdev);
+ int ret;
+
+ if (od->flags & OMAP_DEVICE_NO_IDLE_ON_SUSPEND)
+ return pm_generic_suspend_noirq(dev);
+
+ ret = pm_generic_suspend_noirq(dev);
+
+ if (!ret && !pm_runtime_status_suspended(dev)) {
+ if (pm_generic_runtime_suspend(dev) == 0) {
+ omap_device_idle(pdev);
+ od->flags |= OMAP_DEVICE_SUSPENDED;
+ }
+ }
+
+ return ret;
+}
+
+static int _od_resume_noirq(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct omap_device *od = to_omap_device(pdev);
+
+ if (od->flags & OMAP_DEVICE_NO_IDLE_ON_SUSPEND)
+ return pm_generic_resume_noirq(dev);
+
+ if ((od->flags & OMAP_DEVICE_SUSPENDED) &&
+ !pm_runtime_status_suspended(dev)) {
+ od->flags &= ~OMAP_DEVICE_SUSPENDED;
+ omap_device_enable(pdev);
+ pm_generic_runtime_resume(dev);
+ }
+
+ return pm_generic_resume_noirq(dev);
+}
+#endif
+
+static struct dev_pm_domain omap_device_pm_domain = {
.ops = {
- .runtime_suspend = _od_runtime_suspend,
- .runtime_idle = _od_runtime_idle,
- .runtime_resume = _od_runtime_resume,
+ SET_RUNTIME_PM_OPS(_od_runtime_suspend, _od_runtime_resume,
+ _od_runtime_idle)
USE_PLATFORM_PM_SLEEP_OPS
+ SET_SYSTEM_SLEEP_PM_OPS(_od_suspend_noirq, _od_resume_noirq)
}
};
@@ -581,7 +624,7 @@ int omap_device_register(struct omap_device *od)
pr_debug("omap_device: %s: registering\n", od->pdev.name);
od->pdev.dev.parent = &omap_device_parent;
- od->pdev.dev.pwr_domain = &omap_device_power_domain;
+ od->pdev.dev.pm_domain = &omap_device_pm_domain;
return platform_device_register(&od->pdev);
}
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 6af3d0b..363c91e 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -394,20 +394,15 @@ void omap3_sram_restore_context(void)
}
#endif /* CONFIG_PM */
-static int __init omap34xx_sram_init(void)
-{
- _omap3_sram_configure_core_dpll =
- omap_sram_push(omap3_sram_configure_core_dpll,
- omap3_sram_configure_core_dpll_sz);
- omap_push_sram_idle();
- return 0;
-}
-#else
+#endif /* CONFIG_ARCH_OMAP3 */
+
static inline int omap34xx_sram_init(void)
{
+#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
+ omap3_sram_restore_context();
+#endif
return 0;
}
-#endif
int __init omap_sram_init(void)
{
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