Merge branch 'for_2.6.34_b' of git://git.pwsan.com/linux-2.6 into omap-for-linus

arch/arm/configs/omap_4430sdp_defconfig

@@ -199,7 +199,7 @@ CONFIG_ARCH_OMAP4=y
 #
 # CONFIG_OMAP_RESET_CLOCKS is not set
 # CONFIG_OMAP_MUX is not set
-# CONFIG_OMAP_MCBSP is not set
+CONFIG_OMAP_MCBSP=y
 # CONFIG_OMAP_MBOX_FWK is not set
 # CONFIG_OMAP_MPU_TIMER is not set
 CONFIG_OMAP_32K_TIMER=y
@@ -304,7 +304,7 @@ CONFIG_ALIGNMENT_TRAP=y
 #
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE="root=/dev/ram0 rw mem=128M console=ttyS0,115200n8 initrd=0x81600000,20M ramdisk_size=20480"
+CONFIG_CMDLINE="root=/dev/ram0 rw mem=128M console=ttyS2,115200n8 initrd=0x81600000,20M ramdisk_size=20480"
 # CONFIG_XIP_KERNEL is not set
 # CONFIG_KEXEC is not set
 
@@ -488,7 +488,8 @@ CONFIG_GPIOLIB=y
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
-# CONFIG_WATCHDOG is not set
+CONFIG_WATCHDOG=y
+CONFIG_OMAP_WATCHDOG=y
 CONFIG_SSB_POSSIBLE=y
 
 #

arch/arm/mach-omap1/clock.c

 /*
  *  linux/arch/arm/mach-omap1/clock.c
  *
- *  Copyright (C) 2004 - 2005, 2009 Nokia corporation
+ *  Copyright (C) 2004 - 2005, 2009-2010 Nokia Corporation
  *  Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
  *
  *  Modified to use omap shared clock framework by
@@ -38,20 +38,6 @@ struct clk *api_ck_p, *ck_dpll1_p, *ck_ref_p;
  * Omap1 specific clock functions
  *-------------------------------------------------------------------------*/
 
-static int clk_omap1_dummy_enable(struct clk *clk)
-{
-	return 0;
-}
-
-static void clk_omap1_dummy_disable(struct clk *clk)
-{
-}
-
-const struct clkops clkops_dummy = {
-	.enable		= clk_omap1_dummy_enable,
-	.disable	= clk_omap1_dummy_disable,
-};
-
 unsigned long omap1_uart_recalc(struct clk *clk)
 {
 	unsigned int val = __raw_readl(clk->enable_reg);
@@ -571,9 +557,6 @@ const struct clkops clkops_uart = {
 
 long omap1_clk_round_rate(struct clk *clk, unsigned long rate)
 {
-	if (clk->flags & RATE_FIXED)
-		return clk->rate;
-
 	if (clk->round_rate != NULL)
 		return clk->round_rate(clk, rate);
 

arch/arm/mach-omap1/clock_data.c

 /*
  *  linux/arch/arm/mach-omap1/clock_data.c
  *
- *  Copyright (C) 2004 - 2005, 2009 Nokia corporation
+ *  Copyright (C) 2004 - 2005, 2009-2010 Nokia Corporation
  *  Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
  *  Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
  *
@@ -27,13 +27,6 @@
  * Omap1 clocks
  *-------------------------------------------------------------------------*/
 
-/* XXX is this necessary? */
-static struct clk dummy_ck = {
-	.name	= "dummy",
-	.ops	= &clkops_dummy,
-	.flags	= RATE_FIXED,
-};
-
 static struct clk ck_ref = {
 	.name		= "ck_ref",
 	.ops		= &clkops_null,
@@ -389,8 +382,7 @@ static struct uart_clk uart1_16xx = {
 		/* Direct from ULPD, no real parent */
 		.parent		= &armper_ck.clk,
 		.rate		= 48000000,
-		.flags		= RATE_FIXED | ENABLE_REG_32BIT |
-				  CLOCK_NO_IDLE_PARENT,
+		.flags		= ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
 		.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
 		.enable_bit	= 29,
 	},
@@ -430,8 +422,7 @@ static struct uart_clk uart3_16xx = {
 		/* Direct from ULPD, no real parent */
 		.parent		= &armper_ck.clk,
 		.rate		= 48000000,
-		.flags		= RATE_FIXED | ENABLE_REG_32BIT |
-				  CLOCK_NO_IDLE_PARENT,
+		.flags		= ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
 		.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
 		.enable_bit	= 31,
 	},
@@ -443,7 +434,7 @@ static struct clk usb_clko = {	/* 6 MHz output on W4_USB_CLKO */
 	.ops		= &clkops_generic,
 	/* Direct from ULPD, no parent */
 	.rate		= 6000000,
-	.flags		= RATE_FIXED | ENABLE_REG_32BIT,
+	.flags		= ENABLE_REG_32BIT,
 	.enable_reg	= OMAP1_IO_ADDRESS(ULPD_CLOCK_CTRL),
 	.enable_bit	= USB_MCLK_EN_BIT,
 };
@@ -453,7 +444,7 @@ static struct clk usb_hhc_ck1510 = {
 	.ops		= &clkops_generic,
 	/* Direct from ULPD, no parent */
 	.rate		= 48000000, /* Actually 2 clocks, 12MHz and 48MHz */
-	.flags		= RATE_FIXED | ENABLE_REG_32BIT,
+	.flags		= ENABLE_REG_32BIT,
 	.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
 	.enable_bit	= USB_HOST_HHC_UHOST_EN,
 };
@@ -464,7 +455,7 @@ static struct clk usb_hhc_ck16xx = {
 	/* Direct from ULPD, no parent */
 	.rate		= 48000000,
 	/* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
-	.flags		= RATE_FIXED | ENABLE_REG_32BIT,
+	.flags		= ENABLE_REG_32BIT,
 	.enable_reg	= OMAP1_IO_ADDRESS(OTG_BASE + 0x08), /* OTG_SYSCON_2 */
 	.enable_bit	= 8 /* UHOST_EN */,
 };
@@ -474,7 +465,6 @@ static struct clk usb_dc_ck = {
 	.ops		= &clkops_generic,
 	/* Direct from ULPD, no parent */
 	.rate		= 48000000,
-	.flags		= RATE_FIXED,
 	.enable_reg	= OMAP1_IO_ADDRESS(SOFT_REQ_REG),
 	.enable_bit	= 4,
 };
@@ -484,7 +474,6 @@ static struct clk usb_dc_ck7xx = {
 	.ops		= &clkops_generic,
 	/* Direct from ULPD, no parent */
 	.rate		= 48000000,
-	.flags		= RATE_FIXED,
 	.enable_reg	= OMAP1_IO_ADDRESS(SOFT_REQ_REG),
 	.enable_bit	= 8,
 };
@@ -494,7 +483,6 @@ static struct clk mclk_1510 = {
 	.ops		= &clkops_generic,
 	/* Direct from ULPD, no parent. May be enabled by ext hardware. */
 	.rate		= 12000000,
-	.flags		= RATE_FIXED,
 	.enable_reg	= OMAP1_IO_ADDRESS(SOFT_REQ_REG),
 	.enable_bit	= 6,
 };
@@ -515,7 +503,6 @@ static struct clk bclk_1510 = {
 	.ops		= &clkops_generic,
 	/* Direct from ULPD, no parent. May be enabled by ext hardware. */
 	.rate		= 12000000,
-	.flags		= RATE_FIXED,
 };
 
 static struct clk bclk_16xx = {
@@ -530,36 +517,34 @@ static struct clk bclk_16xx = {
 };
 
 static struct clk mmc1_ck = {
-	.name		= "mmc_ck",
+	.name		= "mmc1_ck",
 	.ops		= &clkops_generic,
 	/* Functional clock is direct from ULPD, interface clock is ARMPER */
 	.parent		= &armper_ck.clk,
 	.rate		= 48000000,
-	.flags		= RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
+	.flags		= ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
 	.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
 	.enable_bit	= 23,
 };
 
 static struct clk mmc2_ck = {
-	.name		= "mmc_ck",
-	.id		= 1,
+	.name		= "mmc2_ck",
 	.ops		= &clkops_generic,
 	/* Functional clock is direct from ULPD, interface clock is ARMPER */
 	.parent		= &armper_ck.clk,
 	.rate		= 48000000,
-	.flags		= RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
+	.flags		= ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
 	.enable_reg	= OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0),
 	.enable_bit	= 20,
 };
 
 static struct clk mmc3_ck = {
-	.name		= "mmc_ck",
-	.id		= 2,
+	.name		= "mmc3_ck",
 	.ops		= &clkops_generic,
 	/* Functional clock is direct from ULPD, interface clock is ARMPER */
 	.parent		= &armper_ck.clk,
 	.rate		= 48000000,
-	.flags		= RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
+	.flags		= ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT,
 	.enable_reg	= OMAP1_IO_ADDRESS(SOFT_REQ_REG),
 	.enable_bit	= 12,
 };
@@ -577,7 +562,6 @@ static struct clk virtual_ck_mpu = {
 remains active during MPU idle whenever this is enabled */
 static struct clk i2c_fck = {
 	.name		= "i2c_fck",
-	.id		= 1,
 	.ops		= &clkops_null,
 	.flags		= CLOCK_NO_IDLE_PARENT,
 	.parent		= &armxor_ck.clk,
@@ -586,7 +570,6 @@ static struct clk i2c_fck = {
 
 static struct clk i2c_ick = {
 	.name		= "i2c_ick",
-	.id		= 1,
 	.ops		= &clkops_null,
 	.flags		= CLOCK_NO_IDLE_PARENT,
 	.parent		= &armper_ck.clk,

arch/arm/mach-omap2/Makefile

@@ -5,23 +5,17 @@
 # Common support
 obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer-gp.o
 
-omap-2-3-common				= irq.o sdrc.o omap_hwmod.o
-omap-3-4-common				= dpll3xxx.o
+omap-2-3-common				= irq.o sdrc.o
+hwmod-common				= omap_hwmod.o \
+					  omap_hwmod_common_data.o
 prcm-common				= prcm.o powerdomain.o
 clock-common				= clock.o clock_common_data.o \
 					  clockdomain.o clkt_dpll.o \
 					  clkt_clksel.o
-clock-omap2xxx				= clkt2xxx_dpllcore.o \
-					  clkt2xxx_virt_prcm_set.o \
-					  clkt2xxx_apll.o clkt2xxx_osc.o \
-					  clkt2xxx_sys.o
-clock-omap3xxx				= clkt34xx_dpll3m2.o
 
-obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(prcm-common) $(clock-common) \
-			    $(clock-omap2xxx)
-obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(prcm-common) $(clock-common) \
-			    $(omap-3-4-common) $(clock-omap3xxx)
-obj-$(CONFIG_ARCH_OMAP4) += $(omap-3-4-common) $(prcm-common) $(clock-common)
+obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(prcm-common) $(hwmod-common)
+obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(prcm-common) $(hwmod-common)
+obj-$(CONFIG_ARCH_OMAP4) += $(prcm-common)
 
 obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
 
@@ -63,11 +57,28 @@ obj-$(CONFIG_ARCH_OMAP3)		+= cm.o
 obj-$(CONFIG_ARCH_OMAP4)		+= cm4xxx.o
 
 # Clock framework
-obj-$(CONFIG_ARCH_OMAP2)		+= clock2xxx.o clock2xxx_data.o
+obj-$(CONFIG_ARCH_OMAP2)		+= $(clock-common) clock2xxx.o \
+					   clkt2xxx_sys.o \
+					   clkt2xxx_dpllcore.o \
+					   clkt2xxx_virt_prcm_set.o \
+					   clkt2xxx_apll.o clkt2xxx_osc.o
+obj-$(CONFIG_ARCH_OMAP2420)		+= clock2420_data.o
+obj-$(CONFIG_ARCH_OMAP2430)		+= clock2430.o clock2430_data.o
+obj-$(CONFIG_ARCH_OMAP3)		+= $(clock-common) clock3xxx.o \
+					   clock34xx.o clkt34xx_dpll3m2.o \
+					   clock3517.o clock36xx.o \
+					   dpll3xxx.o clock3xxx_data.o
+obj-$(CONFIG_ARCH_OMAP4)		+= $(clock-common) clock44xx_data.o \
+					   dpll3xxx.o
+
+# OMAP2 clock rate set data (old "OPP" data)
 obj-$(CONFIG_ARCH_OMAP2420)		+= opp2420_data.o
-obj-$(CONFIG_ARCH_OMAP3)		+= clock34xx.o clock34xx_data.o
 obj-$(CONFIG_ARCH_OMAP2430)		+= opp2430_data.o
-obj-$(CONFIG_ARCH_OMAP4)		+= clock44xx.o clock44xx_data.o
+
+# hwmod data
+obj-$(CONFIG_ARCH_OMAP2420)		+= omap_hwmod_2420_data.o
+obj-$(CONFIG_ARCH_OMAP2430)		+= omap_hwmod_2430_data.o
+obj-$(CONFIG_ARCH_OMAP3)		+= omap_hwmod_3xxx_data.o
 
 # EMU peripherals
 obj-$(CONFIG_OMAP3_EMU)			+= emu.o

arch/arm/mach-omap2/clkt2xxx_apll.c

@@ -38,6 +38,8 @@
 #define APLLS_CLKIN_13MHZ		2
 #define APLLS_CLKIN_12MHZ		3
 
+void __iomem *cm_idlest_pll;
+
 /* Private functions */
 
 /* Enable an APLL if off */
@@ -56,8 +58,8 @@ static int omap2_clk_apll_enable(struct clk *clk, u32 status_mask)
 	cval |= apll_mask;
 	cm_write_mod_reg(cval, PLL_MOD, CM_CLKEN);
 
-	omap2_cm_wait_idlest(OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), status_mask,
-			     clk->name);
+	omap2_cm_wait_idlest(cm_idlest_pll, status_mask,
+			     OMAP24XX_CM_IDLEST_VAL, clk->name);
 
 	/*
 	 * REVISIT: Should we return an error code if omap2_wait_clock_ready()

arch/arm/mach-omap2/clkt34xx_dpll3m2.c

@@ -26,6 +26,7 @@
 #include <plat/sdrc.h>
 
 #include "clock.h"
+#include "clock3xxx.h"
 #include "clock34xx.h"
 #include "sdrc.h"
 

arch/arm/mach-omap2/clkt_clksel.c

@@ -258,10 +258,6 @@ long omap2_clk_round_rate(struct clk *clk, unsigned long rate)
 	if (clk->round_rate)
 		return clk->round_rate(clk, rate);
 
-	if (clk->flags & RATE_FIXED)
-		printk(KERN_ERR "clock: generic omap2_clk_round_rate called "
-		       "on fixed-rate clock %s\n", clk->name);
-
 	return clk->rate;
 }
 
@@ -377,8 +373,6 @@ int omap2_clksel_set_rate(struct clk *clk, unsigned long rate)
 
 	clk->rate = clk->parent->rate / new_div;
 
-	omap2xxx_clk_commit(clk);
-
 	return 0;
 }
 
@@ -400,8 +394,6 @@ int omap2_clksel_set_parent(struct clk *clk, struct clk *new_parent)
 	__raw_writel(v, clk->clksel_reg);
 	v = __raw_readl(clk->clksel_reg);    /* OCP barrier */
 
-	omap2xxx_clk_commit(clk);
-
 	clk_reparent(clk, new_parent);
 
 	/* CLKSEL clocks follow their parents' rates, divided by a divisor */

arch/arm/mach-omap2/clkt_dpll.c

@@ -29,7 +29,7 @@
 #include "cm-regbits-34xx.h"
 
 /* DPLL rate rounding: minimum DPLL multiplier, divider values */
-#define DPLL_MIN_MULTIPLIER		1
+#define DPLL_MIN_MULTIPLIER		2
 #define DPLL_MIN_DIVIDER		1
 
 /* Possible error results from _dpll_test_mult */

arch/arm/mach-omap2/clock.h

@@ -47,6 +47,10 @@
 #define DPLL_LOW_POWER_BYPASS	0x5
 #define DPLL_LOCKED		0x7
 
+/* DPLL Type and DCO Selection Flags */
+#define DPLL_J_TYPE		0x1
+#define DPLL_NO_DCO_SEL		0x2
+
 int omap2_clk_enable(struct clk *clk);
 void omap2_clk_disable(struct clk *clk);
 long omap2_clk_round_rate(struct clk *clk, unsigned long rate);
@@ -114,12 +118,16 @@ void omap2_dflt_clk_disable(struct clk *clk);
 void omap2_clk_dflt_find_companion(struct clk *clk, void __iomem **other_reg,
 				   u8 *other_bit);
 void omap2_clk_dflt_find_idlest(struct clk *clk, void __iomem **idlest_reg,
-				u8 *idlest_bit);
-void omap2xxx_clk_commit(struct clk *clk);
+				u8 *idlest_bit, u8 *idlest_val);
+int omap2_clk_switch_mpurate_at_boot(const char *mpurate_ck_name);
+void omap2_clk_print_new_rates(const char *hfclkin_ck_name,
+			       const char *core_ck_name,
+			       const char *mpu_ck_name);
 
 extern u8 cpu_mask;
 
 extern const struct clkops clkops_omap2_dflt_wait;
+extern const struct clkops clkops_dummy;
 extern const struct clkops clkops_omap2_dflt;
 
 extern struct clk_functions omap2_clk_functions;
@@ -137,4 +145,6 @@ extern void omap2_clk_exit_cpufreq_table(struct cpufreq_frequency_table **table)
 #define omap2_clk_exit_cpufreq_table	0
 #endif
 
+extern const struct clkops clkops_omap3_noncore_dpll_ops;
+
 #endif

arch/arm/mach-omap2/clock2430.c

+/*
+ * clock2430.c - OMAP2430-specific clock integration code
+ *
+ * Copyright (C) 2005-2008 Texas Instruments, Inc.
+ * Copyright (C) 2004-2010 Nokia Corporation
+ *
+ * Contacts:
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Paul Walmsley
+ *
+ * Based on earlier work by Tuukka Tikkanen, Tony Lindgren,
+ * Gordon McNutt and RidgeRun, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <plat/clock.h>
+
+#include "clock.h"
+#include "clock2xxx.h"
+#include "cm.h"
+#include "cm-regbits-24xx.h"
+
+/**
+ * omap2430_clk_i2chs_find_idlest - return CM_IDLEST info for 2430 I2CHS
+ * @clk: struct clk * being enabled
+ * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
+ * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
+ * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
+ *
+ * OMAP2430 I2CHS CM_IDLEST bits are in CM_IDLEST1_CORE, but the
+ * CM_*CLKEN bits are in CM_{I,F}CLKEN2_CORE.  This custom function
+ * passes back the correct CM_IDLEST register address for I2CHS
+ * modules.  No return value.
+ */
+static void omap2430_clk_i2chs_find_idlest(struct clk *clk,
+					   void __iomem **idlest_reg,
+					   u8 *idlest_bit,
+					   u8 *idlest_val)
+{
+	*idlest_reg = OMAP2430_CM_REGADDR(CORE_MOD, CM_IDLEST);
+	*idlest_bit = clk->enable_bit;
+	*idlest_val = OMAP24XX_CM_IDLEST_VAL;
+}
+
+/* 2430 I2CHS has non-standard IDLEST register */
+const struct clkops clkops_omap2430_i2chs_wait = {
+	.enable		= omap2_dflt_clk_enable,
+	.disable	= omap2_dflt_clk_disable,
+	.find_idlest	= omap2430_clk_i2chs_find_idlest,
+	.find_companion = omap2_clk_dflt_find_companion,
+};

arch/arm/mach-omap2/clock2xxx.c

@@ -35,39 +35,6 @@ struct clk *vclk, *sclk, *dclk;
  * Omap24xx specific clock functions
  */
 
-#ifdef CONFIG_ARCH_OMAP2430
-
-/**
- * omap2430_clk_i2chs_find_idlest - return CM_IDLEST info for 2430 I2CHS
- * @clk: struct clk * being enabled
- * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
- * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
- *
- * OMAP2430 I2CHS CM_IDLEST bits are in CM_IDLEST1_CORE, but the
- * CM_*CLKEN bits are in CM_{I,F}CLKEN2_CORE.  This custom function
- * passes back the correct CM_IDLEST register address for I2CHS
- * modules.  No return value.
- */
-static void omap2430_clk_i2chs_find_idlest(struct clk *clk,
-					   void __iomem **idlest_reg,
-					   u8 *idlest_bit)
-{
-	*idlest_reg = OMAP_CM_REGADDR(CORE_MOD, CM_IDLEST);
-	*idlest_bit = clk->enable_bit;
-}
-
-#else
-#define omap2430_clk_i2chs_find_idlest	NULL
-#endif
-
-/* 2430 I2CHS has non-standard IDLEST register */
-const struct clkops clkops_omap2430_i2chs_wait = {
-	.enable		= omap2_dflt_clk_enable,
-	.disable	= omap2_dflt_clk_disable,
-	.find_idlest	= omap2430_clk_i2chs_find_idlest,
-	.find_companion = omap2_clk_dflt_find_companion,
-};
-
 /*
  * Set clocks for bypass mode for reboot to work.
  */
@@ -83,40 +50,24 @@ void omap2xxx_clk_prepare_for_reboot(void)
 }
 
 /*
- * Switch the MPU rate if specified on cmdline.
- * We cannot do this early until cmdline is parsed.
+ * Switch the MPU rate if specified on cmdline.  We cannot do this
+ * early until cmdline is parsed.  XXX This should be removed from the
+ * clock code and handled by the OPP layer code in the near future.
  */
 static int __init omap2xxx_clk_arch_init(void)
 {
-	struct clk *virt_prcm_set, *sys_ck, *dpll_ck, *mpu_ck;
-	unsigned long sys_ck_rate;
+	int ret;
 
 	if (!cpu_is_omap24xx())
 		return 0;
 
-	if (!mpurate)
-		return -EINVAL;
+	ret = omap2_clk_switch_mpurate_at_boot("virt_prcm_set");
+	if (!ret)
+		omap2_clk_print_new_rates("sys_ck", "dpll_ck", "mpu_ck");
 
-	virt_prcm_set = clk_get(NULL, "virt_prcm_set");
-	sys_ck = clk_get(NULL, "sys_ck");
-	dpll_ck = clk_get(NULL, "dpll_ck");
-	mpu_ck = clk_get(NULL, "mpu_ck");
-
-	if (clk_set_rate(virt_prcm_set, mpurate))
-		printk(KERN_ERR "Could not find matching MPU rate\n");
-
-	recalculate_root_clocks();
-
-	sys_ck_rate = clk_get_rate(sys_ck);
-
-	pr_info("Switched to new clocking rate (Crystal/DPLL/MPU): "
-		"%ld.%01ld/%ld/%ld MHz\n",
-		(sys_ck_rate / 1000000), (sys_ck_rate / 100000) % 10,
-		(clk_get_rate(dpll_ck) / 1000000),
-		(clk_get_rate(mpu_ck) / 1000000));
-
-	return 0;
+	return ret;
 }
+
 arch_initcall(omap2xxx_clk_arch_init);
 
 

arch/arm/mach-omap2/clock2xxx.h

 /*
  * OMAP2 clock function prototypes and macros
  *
- * Copyright (C) 2005-2009 Texas Instruments, Inc.
- * Copyright (C) 2004-2009 Nokia Corporation
+ * Copyright (C) 2005-2010 Texas Instruments, Inc.
+ * Copyright (C) 2004-2010 Nokia Corporation
  */
 
-#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_24XX_H
-#define __ARCH_ARM_MACH_OMAP2_CLOCK_24XX_H
+#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK2XXX_H
+#define __ARCH_ARM_MACH_OMAP2_CLOCK2XXX_H
 
 unsigned long omap2_table_mpu_recalc(struct clk *clk);
 int omap2_select_table_rate(struct clk *clk, unsigned long rate);
@@ -19,20 +19,20 @@ unsigned long omap2xxx_clk_get_core_rate(struct clk *clk);
 u32 omap2xxx_get_apll_clkin(void);
 u32 omap2xxx_get_sysclkdiv(void);
 void omap2xxx_clk_prepare_for_reboot(void);
-int omap2xxx_clk_init(void);
 
-/* REVISIT: These should be set dynamically for CONFIG_MULTI_OMAP2 */
 #ifdef CONFIG_ARCH_OMAP2420
-#define OMAP_CM_REGADDR			OMAP2420_CM_REGADDR
-#define OMAP24XX_PRCM_CLKOUT_CTRL	OMAP2420_PRCM_CLKOUT_CTRL
-#define OMAP24XX_PRCM_CLKEMUL_CTRL	OMAP2420_PRCM_CLKEMUL_CTRL
+int omap2420_clk_init(void);
 #else
-#define OMAP_CM_REGADDR			OMAP2430_CM_REGADDR
-#define OMAP24XX_PRCM_CLKOUT_CTRL	OMAP2430_PRCM_CLKOUT_CTRL
-#define OMAP24XX_PRCM_CLKEMUL_CTRL	OMAP2430_PRCM_CLKEMUL_CTRL
+#define omap2420_clk_init()	0
 #endif
 
-extern void __iomem *prcm_clksrc_ctrl;
+#ifdef CONFIG_ARCH_OMAP2430
+int omap2430_clk_init(void);
+#else
+#define omap2430_clk_init()	0
+#endif
+
+extern void __iomem *prcm_clksrc_ctrl, *cm_idlest_pll;
 
 extern struct clk *dclk;
 

arch/arm/mach-omap2/clock34xx.c

@@ -8,7 +8,8 @@
  * Jouni Högander
  *
  * Parts of this code are based on code written by
- * Richard Woodruff, Tony Lindgren, Tuukka Tikkanen, Karthik Dasu
+ * Richard Woodruff, Tony Lindgren, Tuukka Tikkanen, Karthik Dasu,
+ * Russell King
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -17,36 +18,22 @@
 #undef DEBUG
 
 #include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/io.h>
 
-#include <plat/cpu.h>
 #include <plat/clock.h>
 
 #include "clock.h"
 #include "clock34xx.h"
-#include "prm.h"
-#include "prm-regbits-34xx.h"
 #include "cm.h"
 #include "cm-regbits-34xx.h"
 
-/*
- * DPLL5_FREQ_FOR_USBHOST: USBHOST and USBTLL are the only clocks
- * that are sourced by DPLL5, and both of these require this clock
- * to be at 120 MHz for proper operation.
- */
-#define DPLL5_FREQ_FOR_USBHOST		120000000
-
-/* needed by omap3_core_dpll_m2_set_rate() */
-struct clk *sdrc_ick_p, *arm_fck_p;
-
 /**
  * omap3430es2_clk_ssi_find_idlest - return CM_IDLEST info for SSI
  * @clk: struct clk * being enabled
  * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
  * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
+ * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
  *
  * The OMAP3430ES2 SSI target CM_IDLEST bit is at a different shift
  * from the CM_{I,F}CLKEN bit.  Pass back the correct info via
@@ -54,13 +41,15 @@ struct clk *sdrc_ick_p, *arm_fck_p;
  */
 static void omap3430es2_clk_ssi_find_idlest(struct clk *clk,
 					    void __iomem **idlest_reg,
-					    u8 *idlest_bit)
+					    u8 *idlest_bit,
+					    u8 *idlest_val)
 {
 	u32 r;
 
 	r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
 	*idlest_reg = (__force void __iomem *)r;
 	*idlest_bit = OMAP3430ES2_ST_SSI_IDLE_SHIFT;
+	*idlest_val = OMAP34XX_CM_IDLEST_VAL;
 }
 
 const struct clkops clkops_omap3430es2_ssi_wait = {
@@ -75,6 +64,7 @@ const struct clkops clkops_omap3430es2_ssi_wait = {
  * @clk: struct clk * being enabled
  * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
  * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
+ * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
  *
  * Some OMAP modules on OMAP3 ES2+ chips have both initiator and
  * target IDLEST bits.  For our purposes, we are concerned with the
@@ -85,7 +75,8 @@ const struct clkops clkops_omap3430es2_ssi_wait = {
  */
 static void omap3430es2_clk_dss_usbhost_find_idlest(struct clk *clk,
 						    void __iomem **idlest_reg,
-						    u8 *idlest_bit)
+						    u8 *idlest_bit,
+						    u8 *idlest_val)
 {
 	u32 r;
 
@@ -93,6 +84,7 @@ static void omap3430es2_clk_dss_usbhost_find_idlest(struct clk *clk,
 	*idlest_reg = (__force void __iomem *)r;
 	/* USBHOST_IDLE has same shift */
 	*idlest_bit = OMAP3430ES2_ST_DSS_IDLE_SHIFT;
+	*idlest_val = OMAP34XX_CM_IDLEST_VAL;
 }
 
 const struct clkops clkops_omap3430es2_dss_usbhost_wait = {
@@ -107,6 +99,7 @@ const struct clkops clkops_omap3430es2_dss_usbhost_wait = {
  * @clk: struct clk * being enabled
  * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
  * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
+ * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
  *
  * The OMAP3430ES2 HSOTGUSB target CM_IDLEST bit is at a different
  * shift from the CM_{I,F}CLKEN bit.  Pass back the correct info via
@@ -114,13 +107,15 @@ const struct clkops clkops_omap3430es2_dss_usbhost_wait = {
  */
 static void omap3430es2_clk_hsotgusb_find_idlest(struct clk *clk,
 						 void __iomem **idlest_reg,
-						 u8 *idlest_bit)
+						 u8 *idlest_bit,
+						 u8 *idlest_val)
 {
 	u32 r;
 
 	r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
 	*idlest_reg = (__force void __iomem *)r;
 	*idlest_bit = OMAP3430ES2_ST_HSOTGUSB_IDLE_SHIFT;
+	*idlest_val = OMAP34XX_CM_IDLEST_VAL;
 }
 
 const struct clkops clkops_omap3430es2_hsotgusb_wait = {
@@ -129,93 +124,3 @@ const struct clkops clkops_omap3430es2_hsotgusb_wait = {
 	.find_idlest	= omap3430es2_clk_hsotgusb_find_idlest,
 	.find_companion = omap2_clk_dflt_find_companion,
 };
-
-const struct clkops omap3_clkops_noncore_dpll_ops = {
-	.enable		= omap3_noncore_dpll_enable,
-	.disable	= omap3_noncore_dpll_disable,
-};
-
-int omap3_dpll4_set_rate(struct clk *clk, unsigned long rate)
-{
-	/*
-	 * According to the 12-5 CDP code from TI, "Limitation 2.5"
-	 * on 3430ES1 prevents us from changing DPLL multipliers or dividers
-	 * on DPLL4.
-	 */
-	if (omap_rev() == OMAP3430_REV_ES1_0) {
-		printk(KERN_ERR "clock: DPLL4 cannot change rate due to "
-		       "silicon 'Limitation 2.5' on 3430ES1.\n");
-		return -EINVAL;
-	}
-	return omap3_noncore_dpll_set_rate(clk, rate);
-}
-
-void __init omap3_clk_lock_dpll5(void)
-{
-	struct clk *dpll5_clk;
-	struct clk *dpll5_m2_clk;
-
-	dpll5_clk = clk_get(NULL, "dpll5_ck");
-	clk_set_rate(dpll5_clk, DPLL5_FREQ_FOR_USBHOST);
-	clk_enable(dpll5_clk);
-
-	/* Enable autoidle to allow it to enter low power bypass */
-	omap3_dpll_allow_idle(dpll5_clk);
-
-	/* Program dpll5_m2_clk divider for no division */
-	dpll5_m2_clk = clk_get(NULL, "dpll5_m2_ck");
-	clk_enable(dpll5_m2_clk);
-	clk_set_rate(dpll5_m2_clk, DPLL5_FREQ_FOR_USBHOST);
-
-	clk_disable(dpll5_m2_clk);
-	clk_disable(dpll5_clk);
-	return;
-}
-
-/* Common clock code */
-
-/* REVISIT: Move this init stuff out into clock.c */
-
-/*
- * Switch the MPU rate if specified on cmdline.
- * We cannot do this early until cmdline is parsed.
- */
-static int __init omap3xxx_clk_arch_init(void)
-{
-	struct clk *osc_sys_ck, *dpll1_ck, *arm_fck, *core_ck;
-	unsigned long osc_sys_rate;
-
-	if (!cpu_is_omap34xx())
-		return 0;
-
-	if (!mpurate)
-		return -EINVAL;
-
-	/* XXX test these for success */
-	dpll1_ck = clk_get(NULL, "dpll1_ck");
-	arm_fck = clk_get(NULL, "arm_fck");
-	core_ck = clk_get(NULL, "core_ck");
-	osc_sys_ck = clk_get(NULL, "osc_sys_ck");
-
-	/* REVISIT: not yet ready for 343x */
-	if (clk_set_rate(dpll1_ck, mpurate))
-		printk(KERN_ERR "*** Unable to set MPU rate\n");
-
-	recalculate_root_clocks();
-
-	osc_sys_rate = clk_get_rate(osc_sys_ck);
-
-	pr_info("Switched to new clocking rate (Crystal/Core/MPU): "
-		"%ld.%01ld/%ld/%ld MHz\n",
-		(osc_sys_rate / 1000000),
-		((osc_sys_rate / 100000) % 10),
-		(clk_get_rate(core_ck) / 1000000),
-		(clk_get_rate(arm_fck) / 1000000));
-
-	calibrate_delay();
-
-	return 0;
-}
-arch_initcall(omap3xxx_clk_arch_init);
-
-

arch/arm/mach-omap2/clock34xx.h

 /*
- * OMAP3 clock function prototypes and macros
+ * OMAP34xx clock function prototypes and macros
  *
- * Copyright (C) 2007-2009 Texas Instruments, Inc.
- * Copyright (C) 2007-2009 Nokia Corporation
+ * Copyright (C) 2007-2010 Texas Instruments, Inc.
+ * Copyright (C) 2007-2010 Nokia Corporation
  */
 
-#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_34XX_H
-#define __ARCH_ARM_MACH_OMAP2_CLOCK_34XX_H
+#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK34XX_H
+#define __ARCH_ARM_MACH_OMAP2_CLOCK34XX_H
 
-int omap3xxx_clk_init(void);
-int omap3_dpll4_set_rate(struct clk *clk, unsigned long rate);
-int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate);
-void omap3_clk_lock_dpll5(void);
-
-extern struct clk *sdrc_ick_p;
-extern struct clk *arm_fck_p;
-
-/* OMAP34xx-specific clkops */
 extern const struct clkops clkops_omap3430es2_ssi_wait;
 extern const struct clkops clkops_omap3430es2_hsotgusb_wait;
 extern const struct clkops clkops_omap3430es2_dss_usbhost_wait;
-extern const struct clkops omap3_clkops_noncore_dpll_ops;
 
 #endif

arch/arm/mach-omap2/clock3517.c

+/*
+ * OMAP3517/3505-specific clock framework functions
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * Ranjith Lohithakshan
+ * Paul Walmsley
+ *
+ * Parts of this code are based on code written by
+ * Richard Woodruff, Tony Lindgren, Tuukka Tikkanen, Karthik Dasu,
+ * Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <plat/clock.h>
+
+#include "clock.h"
+#include "clock3517.h"
+#include "cm.h"
+#include "cm-regbits-34xx.h"
+
+/*
+ * In AM35xx IPSS, the {ICK,FCK} enable bits for modules are exported
+ * in the same register at a bit offset of 0x8. The EN_ACK for ICK is
+ * at an offset of 4 from ICK enable bit.
+ */
+#define AM35XX_IPSS_ICK_MASK			0xF
+#define AM35XX_IPSS_ICK_EN_ACK_OFFSET 		0x4
+#define AM35XX_IPSS_ICK_FCK_OFFSET		0x8
+#define AM35XX_IPSS_CLK_IDLEST_VAL		0
+
+/**
+ * am35xx_clk_find_idlest - return clock ACK info for AM35XX IPSS
+ * @clk: struct clk * being enabled
+ * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
+ * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
+ * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
+ *
+ * The interface clocks on AM35xx IPSS reflects the clock idle status
+ * in the enable register itsel at a bit offset of 4 from the enable
+ * bit. A value of 1 indicates that clock is enabled.
+ */
+static void am35xx_clk_find_idlest(struct clk *clk,
+					    void __iomem **idlest_reg,
+					    u8 *idlest_bit,
+					    u8 *idlest_val)
+{
+	*idlest_reg = (__force void __iomem *)(clk->enable_reg);
+	*idlest_bit = clk->enable_bit + AM35XX_IPSS_ICK_EN_ACK_OFFSET;
+	*idlest_val = AM35XX_IPSS_CLK_IDLEST_VAL;
+}
+
+/**
+ * am35xx_clk_find_companion - find companion clock to @clk
+ * @clk: struct clk * to find the companion clock of
+ * @other_reg: void __iomem ** to return the companion clock CM_*CLKEN va in
+ * @other_bit: u8 ** to return the companion clock bit shift in
+ *
+ * Some clocks don't have companion clocks.  For example, modules with
+ * only an interface clock (such as HECC) don't have a companion
+ * clock.  Right now, this code relies on the hardware exporting a bit
+ * in the correct companion register that indicates that the
+ * nonexistent 'companion clock' is active.  Future patches will
+ * associate this type of code with per-module data structures to
+ * avoid this issue, and remove the casts.  No return value.
+ */
+static void am35xx_clk_find_companion(struct clk *clk, void __iomem **other_reg,
+					    u8 *other_bit)
+{
+	*other_reg = (__force void __iomem *)(clk->enable_reg);
+	if (clk->enable_bit & AM35XX_IPSS_ICK_MASK)
+		*other_bit = clk->enable_bit + AM35XX_IPSS_ICK_FCK_OFFSET;
+	else
+		*other_bit = clk->enable_bit - AM35XX_IPSS_ICK_FCK_OFFSET;
+}
+
+const struct clkops clkops_am35xx_ipss_module_wait = {
+	.enable		= omap2_dflt_clk_enable,
+	.disable	= omap2_dflt_clk_disable,
+	.find_idlest	= am35xx_clk_find_idlest,
+	.find_companion	= am35xx_clk_find_companion,
+};
+
+/**
+ * am35xx_clk_ipss_find_idlest - return CM_IDLEST info for IPSS
+ * @clk: struct clk * being enabled
+ * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
+ * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
+ * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
+ *
+ * The IPSS target CM_IDLEST bit is at a different shift from the
+ * CM_{I,F}CLKEN bit.  Pass back the correct info via @idlest_reg
+ * and @idlest_bit.  No return value.
+ */
+static void am35xx_clk_ipss_find_idlest(struct clk *clk,
+					    void __iomem **idlest_reg,
+					    u8 *idlest_bit,
+					    u8 *idlest_val)
+{
+	u32 r;
+
+	r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
+	*idlest_reg = (__force void __iomem *)r;
+	*idlest_bit = AM35XX_ST_IPSS_SHIFT;
+	*idlest_val = OMAP34XX_CM_IDLEST_VAL;
+}
+
+const struct clkops clkops_am35xx_ipss_wait = {
+	.enable		= omap2_dflt_clk_enable,
+	.disable	= omap2_dflt_clk_disable,
+	.find_idlest	= am35xx_clk_ipss_find_idlest,
+	.find_companion	= omap2_clk_dflt_find_companion,
+};
+
+

arch/arm/mach-omap2/clock3517.h

+/*
+ * OMAP3517/3505 clock function prototypes and macros
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ * Copyright (C) 2010 Nokia Corporation
+ */
+
+#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK3517_H
+#define __ARCH_ARM_MACH_OMAP2_CLOCK3517_H
+
+extern const struct clkops clkops_am35xx_ipss_module_wait;
+extern const struct clkops clkops_am35xx_ipss_wait;
+
+#endif

arch/arm/mach-omap2/clock36xx.c

+/*
+ * OMAP36xx-specific clkops
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * Mike Turquette
+ * Vijaykumar GN
+ * Paul Walmsley
+ *
+ * Parts of this code are based on code written by
+ * Richard Woodruff, Tony Lindgren, Tuukka Tikkanen, Karthik Dasu,
+ * Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <plat/clock.h>
+
+#include "clock.h"
+#include "clock36xx.h"
+
+
+/**
+ * omap36xx_pwrdn_clk_enable_with_hsdiv_restore - enable clocks suffering
+ *         from HSDivider PWRDN problem Implements Errata ID: i556.
+ * @clk: DPLL output struct clk
+ *
+ * 3630 only: dpll3_m3_ck, dpll4_m2_ck, dpll4_m3_ck, dpll4_m4_ck,
+ * dpll4_m5_ck & dpll4_m6_ck dividers gets loaded with reset
+ * valueafter their respective PWRDN bits are set.  Any dummy write
+ * (Any other value different from the Read value) to the
+ * corresponding CM_CLKSEL register will refresh the dividers.
+ */
+static int omap36xx_pwrdn_clk_enable_with_hsdiv_restore(struct clk *clk)
+{
+	u32 dummy_v, orig_v, clksel_shift;
+	int ret;
+
+	/* Clear PWRDN bit of HSDIVIDER */
+	ret = omap2_dflt_clk_enable(clk);
+
+	/* Restore the dividers */
+	if (!ret) {
+		clksel_shift = __ffs(clk->parent->clksel_mask);
+		orig_v = __raw_readl(clk->parent->clksel_reg);
+		dummy_v = orig_v;
+
+		/* Write any other value different from the Read value */
+		dummy_v ^= (1 << clksel_shift);
+		__raw_writel(dummy_v, clk->parent->clksel_reg);
+
+		/* Write the original divider */
+		__raw_writel(orig_v, clk->parent->clksel_reg);
+	}
+
+	return ret;
+}
+
+const struct clkops clkops_omap36xx_pwrdn_with_hsdiv_wait_restore = {
+	.enable		= omap36xx_pwrdn_clk_enable_with_hsdiv_restore,
+	.disable	= omap2_dflt_clk_disable,
+	.find_companion	= omap2_clk_dflt_find_companion,
+	.find_idlest	= omap2_clk_dflt_find_idlest,
+};

arch/arm/mach-omap2/clock36xx.h

+/*
+ * OMAP36xx clock function prototypes and macros
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ * Copyright (C) 2010 Nokia Corporation
+ */
+
+#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK36XX_H
+#define __ARCH_ARM_MACH_OMAP2_CLOCK36XX_H
+
+extern const struct clkops clkops_omap36xx_pwrdn_with_hsdiv_wait_restore;
+
+#endif

arch/arm/mach-omap2/clock3xxx.c

+/*
+ * OMAP3-specific clock framework functions
+ *
+ * Copyright (C) 2007-2008 Texas Instruments, Inc.
+ * Copyright (C) 2007-2010 Nokia Corporation
+ *
+ * Paul Walmsley
+ * Jouni Högander
+ *
+ * Parts of this code are based on code written by
+ * Richard Woodruff, Tony Lindgren, Tuukka Tikkanen, Karthik Dasu
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <plat/clock.h>
+
+#include "clock.h"
+#include "clock3xxx.h"
+#include "prm.h"
+#include "prm-regbits-34xx.h"
+#include "cm.h"
+#include "cm-regbits-34xx.h"
+
+/*
+ * DPLL5_FREQ_FOR_USBHOST: USBHOST and USBTLL are the only clocks
+ * that are sourced by DPLL5, and both of these require this clock
+ * to be at 120 MHz for proper operation.
+ */
+#define DPLL5_FREQ_FOR_USBHOST		120000000
+
+/* needed by omap3_core_dpll_m2_set_rate() */
+struct clk *sdrc_ick_p, *arm_fck_p;
+
+int omap3_dpll4_set_rate(struct clk *clk, unsigned long rate)
+{
+	/*
+	 * According to the 12-5 CDP code from TI, "Limitation 2.5"
+	 * on 3430ES1 prevents us from changing DPLL multipliers or dividers
+	 * on DPLL4.
+	 */
+	if (omap_rev() == OMAP3430_REV_ES1_0) {
+		pr_err("clock: DPLL4 cannot change rate due to "
+		       "silicon 'Limitation 2.5' on 3430ES1.\n");
+		return -EINVAL;
+	}
+
+	return omap3_noncore_dpll_set_rate(clk, rate);
+}
+
+void __init omap3_clk_lock_dpll5(void)
+{
+	struct clk *dpll5_clk;
+	struct clk *dpll5_m2_clk;
+
+	dpll5_clk = clk_get(NULL, "dpll5_ck");
+	clk_set_rate(dpll5_clk, DPLL5_FREQ_FOR_USBHOST);
+	clk_enable(dpll5_clk);
+
+	/* Enable autoidle to allow it to enter low power bypass */
+	omap3_dpll_allow_idle(dpll5_clk);
+
+	/* Program dpll5_m2_clk divider for no division */
+	dpll5_m2_clk = clk_get(NULL, "dpll5_m2_ck");
+	clk_enable(dpll5_m2_clk);
+	clk_set_rate(dpll5_m2_clk, DPLL5_FREQ_FOR_USBHOST);
+
+	clk_disable(dpll5_m2_clk);
+	clk_disable(dpll5_clk);
+	return;
+}
+
+/* Common clock code */
+
+/*
+ * Switch the MPU rate if specified on cmdline.  We cannot do this
+ * early until cmdline is parsed.  XXX This should be removed from the
+ * clock code and handled by the OPP layer code in the near future.
+ */
+static int __init omap3xxx_clk_arch_init(void)
+{
+	int ret;
+
+	if (!cpu_is_omap34xx())
+		return 0;
+
+	ret = omap2_clk_switch_mpurate_at_boot("dpll1_ck");
+	if (!ret)
+		omap2_clk_print_new_rates("osc_sys_ck", "arm_fck", "core_ck");
+
+	return ret;
+}
+
+arch_initcall(omap3xxx_clk_arch_init);
+
+

arch/arm/mach-omap2/clock3xxx.h

+/*
+ * OMAP3-common clock function prototypes and macros
+ *
+ * Copyright (C) 2007-2010 Texas Instruments, Inc.
+ * Copyright (C) 2007-2010 Nokia Corporation
+ */
+
+#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK3XXX_H
+#define __ARCH_ARM_MACH_OMAP2_CLOCK3XXX_H
+
+int omap3xxx_clk_init(void);
+int omap3_dpll4_set_rate(struct clk *clk, unsigned long rate);
+int omap3_core_dpll_m2_set_rate(struct clk *clk, unsigned long rate);
+void omap3_clk_lock_dpll5(void);
+
+extern struct clk *sdrc_ick_p;
+extern struct clk *arm_fck_p;
+
+extern const struct clkops clkops_noncore_dpll_ops;
+
+#endif

arch/arm/mach-omap2/clock44xx.c

-/*
- * OMAP4-specific clock framework functions
- *
- * Copyright (C) 2009 Texas Instruments, Inc.
- *
- * Rajendra Nayak (rnayak@ti.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/errno.h>
-#include "clock.h"
-
-const struct clkops omap4_clkops_noncore_dpll_ops = {
-	.enable		= &omap3_noncore_dpll_enable,
-	.disable	= &omap3_noncore_dpll_disable,
-};

arch/arm/mach-omap2/clock44xx.h

@@ -2,16 +2,19 @@
  * OMAP4 clock function prototypes and macros
  *
  * Copyright (C) 2009 Texas Instruments, Inc.
+ * Copyright (C) 2010 Nokia Corporation
  */
 
-#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK_44XX_H
-#define __ARCH_ARM_MACH_OMAP2_CLOCK_44XX_H
+#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK44XX_H
+#define __ARCH_ARM_MACH_OMAP2_CLOCK44XX_H
 
-#define OMAP4430_MAX_DPLL_MULT	2048
+/*
+ * XXX Missing values for the OMAP4 DPLL_USB
+ * XXX Missing min_multiplier values for all OMAP4 DPLLs
+ */
+#define OMAP4430_MAX_DPLL_MULT	2047
 #define OMAP4430_MAX_DPLL_DIV	128
 
 int omap4xxx_clk_init(void);
 
-extern const struct clkops omap4_clkops_noncore_dpll_ops;
-
 #endif

arch/arm/mach-omap2/clockdomain.c

 /*
  * OMAP2/3/4 clockdomain framework functions
  *
- * Copyright (C) 2008-2009 Texas Instruments, Inc.
- * Copyright (C) 2008-2009 Nokia Corporation
+ * Copyright (C) 2008-2010 Texas Instruments, Inc.
+ * Copyright (C) 2008-2010 Nokia Corporation
  *
  * Written by Paul Walmsley and Jouni Högander
  * Added OMAP4 specific support by Abhijit Pagare <abhijitpagare@ti.com>
@@ -173,6 +173,9 @@ static void _clkdm_add_autodeps(struct clockdomain *clkdm)
 {
 	struct clkdm_autodep *autodep;
 
+	if (!autodeps)
+		return;
+
 	for (autodep = autodeps; autodep->clkdm.ptr; autodep++) {
 		if (IS_ERR(autodep->clkdm.ptr))
 			continue;
@@ -201,6 +204,9 @@ static void _clkdm_del_autodeps(struct clockdomain *clkdm)
 {
 	struct clkdm_autodep *autodep;
 
+	if (!autodeps)
+		return;
+
 	for (autodep = autodeps; autodep->clkdm.ptr; autodep++) {
 		if (IS_ERR(autodep->clkdm.ptr))
 			continue;
@@ -891,8 +897,17 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
 	pr_debug("clockdomain: enabling automatic idle transitions for %s\n",
 		 clkdm->name);
 
+	/*
+	 * XXX This should be removed once TI adds wakeup/sleep
+	 * dependency code and data for OMAP4.
+	 */
+	if (cpu_is_omap44xx()) {
+		WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency "
+			  "support is not yet implemented\n");
+	} else {
 		if (atomic_read(&clkdm->usecount) > 0)
 			_clkdm_add_autodeps(clkdm);
+	}
 
 	_omap2_clkdm_set_hwsup(clkdm, 1);
 
@@ -924,8 +939,17 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
 
 	_omap2_clkdm_set_hwsup(clkdm, 0);
 
+	/*
+	 * XXX This should be removed once TI adds wakeup/sleep
+	 * dependency code and data for OMAP4.
+	 */
+	if (cpu_is_omap44xx()) {
+		WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency "
+			  "support is not yet implemented\n");
+	} else {
 		if (atomic_read(&clkdm->usecount) > 0)
 			_clkdm_del_autodeps(clkdm);
+	}
 }
 
 
@@ -954,7 +978,7 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
 	 * downstream clocks for debugging purposes?
 	 */
 
-	if (!clkdm || !clk || !clkdm->clkstctrl_reg)
+	if (!clkdm || !clk)
 		return -EINVAL;
 
 	if (atomic_inc_return(&clkdm->usecount) > 1)
@@ -965,6 +989,9 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
 	pr_debug("clockdomain: clkdm %s: clk %s now enabled\n", clkdm->name,
 		 clk->name);
 
+	if (!clkdm->clkstctrl_reg)
+		return 0;
+
 	v = omap2_clkdm_clktrctrl_read(clkdm);
 
 	if ((cpu_is_omap34xx() && v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) ||
@@ -1006,7 +1033,7 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
 	 * downstream clocks for debugging purposes?
 	 */
 
-	if (!clkdm || !clk || !clkdm->clkstctrl_reg)
+	if (!clkdm || !clk)
 		return -EINVAL;
 
 #ifdef DEBUG
@@ -1024,6 +1051,9 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
 	pr_debug("clockdomain: clkdm %s: clk %s now disabled\n", clkdm->name,
 		 clk->name);
 
+	if (!clkdm->clkstctrl_reg)
+		return 0;
+
 	v = omap2_clkdm_clktrctrl_read(clkdm);
 
 	if ((cpu_is_omap34xx() && v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) ||

arch/arm/mach-omap2/cm-regbits-34xx.h

@@ -55,7 +55,7 @@
 /* Bits specific to each register */
 
 /* CM_FCLKEN_IVA2 */
-#define OMAP3430_CM_FCLKEN_IVA2_EN_IVA2			(1 << 0)
+#define OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_MASK		(1 << 0)
 #define OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_SHIFT		0
 
 /* CM_CLKEN_PLL_IVA2 */
@@ -168,6 +168,12 @@
 #define OMAP3430_EN_SDRC				(1 << 1)
 #define OMAP3430_EN_SDRC_SHIFT				1
 
+/* AM35XX specific CM_ICLKEN1_CORE bits */
+#define AM35XX_EN_IPSS_MASK				(1 << 4)
+#define AM35XX_EN_IPSS_SHIFT				4
+#define AM35XX_EN_UART4_MASK			(1 << 23)
+#define AM35XX_EN_UART4_SHIFT				23
+
 /* CM_ICLKEN2_CORE */
 #define OMAP3430_EN_PKA					(1 << 4)
 #define OMAP3430_EN_PKA_SHIFT				4
@@ -220,6 +226,10 @@
 #define OMAP3430_ST_SSI_STDBY_SHIFT			0
 #define OMAP3430_ST_SSI_STDBY_MASK			(1 << 0)
 
+/* AM35xx specific CM_IDLEST1_CORE bits */
+#define AM35XX_ST_IPSS_SHIFT				5
+#define AM35XX_ST_IPSS_MASK 				(1 << 5)
+
 /* CM_IDLEST2_CORE */
 #define OMAP3430_ST_PKA_SHIFT				4
 #define OMAP3430_ST_PKA_MASK				(1 << 4)
@@ -336,6 +346,8 @@
 #define OMAP3430_CLKSEL_L4_MASK				(0x3 << 2)
 #define OMAP3430_CLKSEL_L3_SHIFT			0
 #define OMAP3430_CLKSEL_L3_MASK				(0x3 << 0)
+#define OMAP3630_CLKSEL_96M_SHIFT			12
+#define OMAP3630_CLKSEL_96M_MASK			(0x3 << 12)
 
 /* CM_CLKSTCTRL_CORE */
 #define OMAP3430ES1_CLKTRCTRL_D2D_SHIFT			4
@@ -379,6 +391,10 @@
 #define OMAP3430ES2_CM_FCLKEN_SGX_EN_SGX_SHIFT		1
 #define OMAP3430ES2_CM_FCLKEN_SGX_EN_SGX_MASK		(1 << 1)
 
+/* CM_IDLEST_SGX */
+#define OMAP3430ES2_ST_SGX_SHIFT			1
+#define OMAP3430ES2_ST_SGX_MASK				(1 << 1)
+
 /* CM_ICLKEN_SGX */
 #define OMAP3430ES2_CM_ICLKEN_SGX_EN_SGX_SHIFT		0
 #define OMAP3430ES2_CM_ICLKEN_SGX_EN_SGX_MASK		(1 << 0)
@@ -517,12 +533,18 @@
 /* CM_CLKSEL2_PLL */
 #define OMAP3430_PERIPH_DPLL_MULT_SHIFT			8
 #define OMAP3430_PERIPH_DPLL_MULT_MASK			(0x7ff << 8)
+#define OMAP3630_PERIPH_DPLL_MULT_MASK			(0xfff << 8)
 #define OMAP3430_PERIPH_DPLL_DIV_SHIFT			0
 #define OMAP3430_PERIPH_DPLL_DIV_MASK			(0x7f << 0)
+#define OMAP3630_PERIPH_DPLL_DCO_SEL_SHIFT		21
+#define OMAP3630_PERIPH_DPLL_DCO_SEL_MASK		(0x7 << 21)
+#define OMAP3630_PERIPH_DPLL_SD_DIV_SHIFT		24
+#define OMAP3630_PERIPH_DPLL_SD_DIV_MASK		(0xff << 24)
 
 /* CM_CLKSEL3_PLL */
 #define OMAP3430_DIV_96M_SHIFT				0
 #define OMAP3430_DIV_96M_MASK				(0x1f << 0)
+#define OMAP3630_DIV_96M_MASK				(0x3f << 0)
 
 /* CM_CLKSEL4_PLL */
 #define OMAP3430ES2_PERIPH2_DPLL_MULT_SHIFT		8
@@ -569,8 +591,10 @@
 /* CM_CLKSEL_DSS */
 #define OMAP3430_CLKSEL_TV_SHIFT			8
 #define OMAP3430_CLKSEL_TV_MASK				(0x1f << 8)
+#define OMAP3630_CLKSEL_TV_MASK				(0x3f << 8)
 #define OMAP3430_CLKSEL_DSS1_SHIFT			0
 #define OMAP3430_CLKSEL_DSS1_MASK			(0x1f << 0)
+#define OMAP3630_CLKSEL_DSS1_MASK			(0x3f << 0)
 
 /* CM_SLEEPDEP_DSS specific bits */
 
@@ -598,6 +622,7 @@
 /* CM_CLKSEL_CAM */
 #define OMAP3430_CLKSEL_CAM_SHIFT			0
 #define OMAP3430_CLKSEL_CAM_MASK			(0x1f << 0)
+#define OMAP3630_CLKSEL_CAM_MASK			(0x3f << 0)
 
 /* CM_SLEEPDEP_CAM specific bits */
 
@@ -693,6 +718,7 @@
 /* CM_CLKSEL1_EMU */
 #define OMAP3430_DIV_DPLL4_SHIFT			24
 #define OMAP3430_DIV_DPLL4_MASK				(0x1f << 24)
+#define OMAP3630_DIV_DPLL4_MASK				(0x3f << 24)
 #define OMAP3430_DIV_DPLL3_SHIFT			16
 #define OMAP3430_DIV_DPLL3_MASK				(0x1f << 16)
 #define OMAP3430_CLKSEL_TRACECLK_SHIFT			11

arch/arm/mach-omap2/cm.h

@@ -139,5 +139,8 @@ static inline u32 cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
 /* CM_IDLEST_GFX */
 #define OMAP_ST_GFX					(1 << 0)
 
+/* CM_IDLEST indicator */
+#define OMAP24XX_CM_IDLEST_VAL		0
+#define OMAP34XX_CM_IDLEST_VAL		1
 
 #endif

arch/arm/mach-omap2/dpll3xxx.c

 /*
  * OMAP3/4 - specific DPLL control functions
  *
- * Copyright (C) 2009 Texas Instruments, Inc.
- * Copyright (C) 2009 Nokia Corporation
+ * Copyright (C) 2009-2010 Texas Instruments, Inc.
+ * Copyright (C) 2009-2010 Nokia Corporation
  *
  * Written by Paul Walmsley
- * Testing and integration fixes by Jouni Högander
+ * Testing and integration fixes by Jouni Högander
+ *
+ * 36xx support added by Vishwanath BS, Richard Woodruff, and Nishanth
+ * Menon
  *
  * Parts of this code are based on code written by
  * Richard Woodruff, Tony Lindgren, Tuukka Tikkanen, Karthik Dasu
@@ -15,7 +18,6 @@
  * published by the Free Software Foundation.
  */
 
-#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/device.h>
 #include <linux/list.h>
@@ -23,13 +25,10 @@
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/io.h>
-#include <linux/limits.h>
 #include <linux/bitops.h>
 
 #include <plat/cpu.h>
 #include <plat/clock.h>
-#include <plat/sram.h>
-#include <asm/div64.h>
 #include <asm/clkdev.h>
 
 #include "clock.h"
@@ -225,6 +224,47 @@ static int _omap3_noncore_dpll_stop(struct clk *clk)
 	return 0;
 }
 
+/**
+ * lookup_dco_sddiv -  Set j-type DPLL4 compensation variables
+ * @clk: pointer to a DPLL struct clk
+ * @dco: digital control oscillator selector
+ * @sd_div: target sigma-delta divider
+ * @m: DPLL multiplier to set
+ * @n: DPLL divider to set
+ *
+ * See 36xx TRM section 3.5.3.3.3.2 "Type B DPLL (Low-Jitter)"
+ *
+ * XXX This code is not needed for 3430/AM35xx; can it be optimized
+ * out in non-multi-OMAP builds for those chips?
+ */
+static void lookup_dco_sddiv(struct clk *clk, u8 *dco, u8 *sd_div, u16 m,
+			     u8 n)
+{
+	unsigned long fint, clkinp, sd; /* watch out for overflow */
+	int mod1, mod2;
+
+	clkinp = clk->parent->rate;
+	fint = (clkinp / n) * m;
+
+	if (fint < 1000000000)
+		*dco = 2;
+	else
+		*dco = 4;
+	/*
+	 * target sigma-delta to near 250MHz
+	 * sd = ceil[(m/(n+1)) * (clkinp_MHz / 250)]
+	 */
+	clkinp /= 100000; /* shift from MHz to 10*Hz for 38.4 and 19.2 */
+	mod1 = (clkinp * m) % (250 * n);
+	sd = (clkinp * m) / (250 * n);
+	mod2 = sd % 10;
+	sd /= 10;
+
+	if (mod1 || mod2)
+		sd++;
+	*sd_div = sd;
+}
+
 /*
  * _omap3_noncore_dpll_program - set non-core DPLL M,N values directly
  * @clk: struct clk * of DPLL to set
@@ -243,8 +283,11 @@ static int omap3_noncore_dpll_program(struct clk *clk, u16 m, u8 n, u16 freqsel)
 	/* 3430 ES2 TRM: 4.7.6.9 DPLL Programming Sequence */
 	_omap3_noncore_dpll_bypass(clk);
 
-	/* Set jitter correction */
-	if (!cpu_is_omap44xx()) {
+	/*
+	 * Set jitter correction. No jitter correction for OMAP4 and 3630
+	 * since freqsel field is no longer present
+	 */
+	if (!cpu_is_omap44xx() && !cpu_is_omap3630()) {
 		v = __raw_readl(dd->control_reg);
 		v &= ~dd->freqsel_mask;
 		v |= freqsel << __ffs(dd->freqsel_mask);
@@ -256,6 +299,21 @@ static int omap3_noncore_dpll_program(struct clk *clk, u16 m, u8 n, u16 freqsel)
 	v &= ~(dd->mult_mask | dd->div1_mask);
 	v |= m << __ffs(dd->mult_mask);
 	v |= (n - 1) << __ffs(dd->div1_mask);
+
+	/*
+	 * XXX This code is not needed for 3430/AM35XX; can it be optimized
+	 * out in non-multi-OMAP builds for those chips?
+	 */
+	if ((dd->flags & DPLL_J_TYPE) && !(dd->flags & DPLL_NO_DCO_SEL)) {
+		u8 dco, sd_div;
+		lookup_dco_sddiv(clk, &dco, &sd_div, m, n);
+		/* XXX This probably will need revision for OMAP4 */
+		v &= ~(OMAP3630_PERIPH_DPLL_DCO_SEL_MASK
+			| OMAP3630_PERIPH_DPLL_SD_DIV_MASK);
+		v |= dco << __ffs(OMAP3630_PERIPH_DPLL_DCO_SEL_MASK);
+		v |= sd_div << __ffs(OMAP3630_PERIPH_DPLL_SD_DIV_MASK);
+	}
+
 	__raw_writel(v, dd->mult_div1_reg);
 
 	/* We let the clock framework set the other output dividers later */
@@ -387,8 +445,8 @@ int omap3_noncore_dpll_set_rate(struct clk *clk, unsigned long rate)
 		if (dd->last_rounded_rate == 0)
 			return -EINVAL;
 
-		/* No freqsel on OMAP4 */
-		if (!cpu_is_omap44xx()) {
+		/* No freqsel on OMAP4 and OMAP3630 */
+		if (!cpu_is_omap44xx() && !cpu_is_omap3630()) {
 			freqsel = _omap3_dpll_compute_freqsel(clk,
 						dd->last_rounded_n);
 			if (!freqsel)
@@ -533,7 +591,7 @@ unsigned long omap3_clkoutx2_recalc(struct clk *clk)
 
 	v = __raw_readl(dd->control_reg) & dd->enable_mask;
 	v >>= __ffs(dd->enable_mask);
-	if (v != OMAP3XXX_EN_DPLL_LOCKED)
+	if ((v != OMAP3XXX_EN_DPLL_LOCKED) || (dd->flags & DPLL_J_TYPE))
 		rate = clk->parent->rate;
 	else
 		rate = clk->parent->rate * 2;

arch/arm/mach-omap2/id.c

@@ -177,6 +177,8 @@ void __init omap3_check_features(void)
 	OMAP3_CHECK_FEATURE(status, SGX);
 	OMAP3_CHECK_FEATURE(status, NEON);
 	OMAP3_CHECK_FEATURE(status, ISP);
+	if (cpu_is_omap3630())
+		omap3_features |= OMAP3_HAS_192MHZ_CLK;
 
 	/*
 	 * TODO: Get additional info (where applicable)
@@ -361,6 +363,7 @@ void __init omap3_cpuinfo(void)
 	OMAP3_SHOW_FEATURE(sgx);
 	OMAP3_SHOW_FEATURE(neon);
 	OMAP3_SHOW_FEATURE(isp);
+	OMAP3_SHOW_FEATURE(192mhz_clk);
 
 	printk(")\n");
 }

arch/arm/mach-omap2/pm-debug.c

@@ -385,6 +385,11 @@ static int pwrdm_dbg_show_counter(struct powerdomain *pwrdm, void *user)
 		seq_printf(s, ",%s:%d", pwrdm_state_names[i],
 			pwrdm->state_counter[i]);
 
+	seq_printf(s, ",RET-LOGIC-OFF:%d", pwrdm->ret_logic_off_counter);
+	for (i = 0; i < pwrdm->banks; i++)
+		seq_printf(s, ",RET-MEMBANK%d-OFF:%d", i + 1,
+				pwrdm->ret_mem_off_counter[i]);
+
 	seq_printf(s, "\n");
 
 	return 0;