ARM: OMAP: Add rest of 24xx clocks

This patch adds the rest of clocks for 24xx.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 957 insertions, 530 deletions

diff --git a/arch/arm/mach-omap2/clock24xx.h b/arch/arm/mach-omap2/clock24xx.h
index 9363c207f58..ccf6a6ca5ce 100644
--- a/arch/arm/mach-omap2/clock24xx.h
+++ b/arch/arm/mach-omap2/clock24xx.h
@@ -621,41 +621,42 @@ static struct prcm_config rate_table[] = {
  *	clocks.
  *-------------------------------------------------------------------------*/
 
-#ifdef OLD_CK
 /* Base external input clocks */
 static struct clk func_32k_ck = {
 	.name		= "func_32k_ck",
 	.rate		= 32000,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_FIXED | ALWAYS_ENABLED,
+				RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
+	.recalc		= &propagate_rate,
 };
-#endif	/* OLD_CK */
+
 /* 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",
-	.rate		= 26000000,		/* fixed up in clock init */
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_FIXED | RATE_PROPAGATES,
+				RATE_PROPAGATES,
+	.enable		= &omap2_enable_osc_ck,
+	.disable	= &omap2_disable_osc_ck,
+	.recalc		= &omap2_osc_clk_recalc,
 };
 
 /* With out modem likely 12MHz, with modem likely 13MHz */
 static struct clk sys_ck = {		/* (*12, *13, 19.2, 26, 38.4)MHz */
 	.name		= "sys_ck",		/* ~ ref_clk also */
 	.parent		= &osc_ck,
-	.rate		= 13000000,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
+				ALWAYS_ENABLED | RATE_PROPAGATES,
 	.recalc		= &omap2_sys_clk_recalc,
 };
-#ifdef OLD_CK
+
 static struct clk alt_ck = {		/* Typical 54M or 48M, may not exist */
 	.name		= "alt_ck",
 	.rate		= 54000000,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
 				RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES,
-	.recalc		= &omap2_propagate_rate,
+	.recalc		= &propagate_rate,
 };
-#endif	/* OLD_CK */
+
 /*
  * Analog domain root source clocks
  */
@@ -710,19 +711,37 @@ static struct clk apll54_ck = {
 /*
  * PRCM digital base sources
  */
-#ifdef OLD_CK
+
+/* func_54m_ck */
+
+static const struct clksel_rate func_54m_apll54_rates[] = {
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 },
+};
+
+static const struct clksel_rate func_54m_alt_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 },
+};
+
+static const struct clksel func_54m_clksel[] = {
+	{ .parent = &apll54_ck, .rates = func_54m_apll54_rates, },
+	{ .parent = &alt_ck,	.rates = func_54m_alt_rates, },
+	{ .parent = NULL },
+};
+
 static struct clk func_54m_ck = {
 	.name		= "func_54m_ck",
 	.parent		= &apll54_ck,	/* can also be alt_clk */
-	.rate		= 54000000,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_FIXED | CM_PLL_SEL1 | RATE_PROPAGATES,
-	.src_offset	= 5,
-	.enable_reg	= (void __iomem *)&CM_CLKEN_PLL,
-	.enable_bit	= 0xff,
-	.recalc		= &omap2_propagate_rate,
+				RATE_PROPAGATES | PARENT_CONTROLS_CLOCK,
+	.init		= &omap2_init_clksel_parent,
+	.clksel_reg	= OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
+	.clksel_mask	= OMAP24XX_54M_SOURCE,
+	.clksel		= func_54m_clksel,
+	.recalc		= &omap2_clksel_recalc,
 };
-#endif	/* OLD_CK */
+
 static struct clk core_ck = {
 	.name		= "core_ck",
 	.parent		= &dpll_ck,		/* can also be 32k */
@@ -730,47 +749,78 @@ static struct clk core_ck = {
 				ALWAYS_ENABLED | RATE_PROPAGATES,
 	.recalc		= &followparent_recalc,
 };
-#ifdef OLD_CK
-static struct clk sleep_ck = {		/* sys_clk or 32k */
-	.name		= "sleep_ck",
-	.parent		= &func_32k_ck,
-	.rate		= 32000,
-	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
-	.recalc		= &omap2_propagate_rate,
+
+/* func_96m_ck */
+static const struct clksel_rate func_96m_apll96_rates[] = {
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 },
 };
 
+static const struct clksel_rate func_96m_alt_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_243X | DEFAULT_RATE },
+	{ .div = 0 },
+};
+
+static const struct clksel func_96m_clksel[] = {
+	{ .parent = &apll96_ck,	.rates = func_96m_apll96_rates },
+	{ .parent = &alt_ck,	.rates = func_96m_alt_rates },
+	{ .parent = NULL }
+};
+
+/* The parent of this clock is not selectable on 2420. */
 static struct clk func_96m_ck = {
 	.name		= "func_96m_ck",
 	.parent		= &apll96_ck,
-	.rate		= 96000000,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_FIXED | RATE_PROPAGATES,
-	.enable_reg	= (void __iomem *)&CM_CLKEN_PLL,
-	.enable_bit	= 0xff,
-	.recalc		= &omap2_propagate_rate,
+				RATE_PROPAGATES | PARENT_CONTROLS_CLOCK,
+	.init		= &omap2_init_clksel_parent,
+	.clksel_reg	= OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
+	.clksel_mask	= OMAP2430_96M_SOURCE,
+	.clksel		= func_96m_clksel,
+	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
+};
+
+/* func_48m_ck */
+
+static const struct clksel_rate func_48m_apll96_rates[] = {
+	{ .div = 2, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 },
+};
+
+static const struct clksel_rate func_48m_alt_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 },
+};
+
+static const struct clksel func_48m_clksel[] = {
+	{ .parent = &apll96_ck,	.rates = func_48m_apll96_rates },
+	{ .parent = &alt_ck, .rates = func_48m_alt_rates },
+	{ .parent = NULL }
 };
 
 static struct clk func_48m_ck = {
 	.name		= "func_48m_ck",
 	.parent		= &apll96_ck,	 /* 96M or Alt */
-	.rate		= 48000000,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_FIXED | CM_PLL_SEL1 | RATE_PROPAGATES,
-	.src_offset	= 3,
-	.enable_reg	= (void __iomem *)&CM_CLKEN_PLL,
-	.enable_bit	= 0xff,
-	.recalc		= &omap2_propagate_rate,
+				RATE_PROPAGATES | PARENT_CONTROLS_CLOCK,
+	.init		= &omap2_init_clksel_parent,
+	.clksel_reg	= OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
+	.clksel_mask	= OMAP24XX_48M_SOURCE,
+	.clksel		= func_48m_clksel,
+	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
 };
 
 static struct clk func_12m_ck = {
 	.name		= "func_12m_ck",
 	.parent		= &func_48m_ck,
-	.rate		= 12000000,
+	.fixed_div	= 4,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_FIXED | RATE_PROPAGATES,
-	.recalc		= &omap2_propagate_rate,
-	.enable_reg	= (void __iomem *)&CM_CLKEN_PLL,
-	.enable_bit	= 0xff,
+				RATE_PROPAGATES | PARENT_CONTROLS_CLOCK,
+	.recalc		= &omap2_fixed_divisor_recalc,
 };
 
 /* Secure timer, only available in secure mode */
@@ -778,46 +828,132 @@ static struct clk wdt1_osc_ck = {
 	.name		= "ck_wdt1_osc",
 	.parent		= &osc_ck,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
-	.recalc		= &omap2_followparent_recalc,
+	.recalc		= &followparent_recalc,
+};
+
+/*
+ * The common_clkout* clksel_rate structs are common to
+ * sys_clkout, sys_clkout_src, sys_clkout2, and sys_clkout2_src.
+ * sys_clkout2_* are 2420-only, so the
+ * clksel_rate flags fields are inaccurate for those clocks. This is
+ * harmless since access to those clocks are gated by the struct clk
+ * flags fields, which mark them as 2420-only.
+ */
+static const struct clksel_rate common_clkout_src_core_rates[] = {
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel_rate common_clkout_src_sys_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel_rate common_clkout_src_96m_rates[] = {
+	{ .div = 1, .val = 2, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel_rate common_clkout_src_54m_rates[] = {
+	{ .div = 1, .val = 3, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel common_clkout_src_clksel[] = {
+	{ .parent = &core_ck,	  .rates = common_clkout_src_core_rates },
+	{ .parent = &sys_ck,	  .rates = common_clkout_src_sys_rates },
+	{ .parent = &func_96m_ck, .rates = common_clkout_src_96m_rates },
+	{ .parent = &func_54m_ck, .rates = common_clkout_src_54m_rates },
+	{ .parent = NULL }
+};
+
+static struct clk sys_clkout_src = {
+	.name		= "sys_clkout_src",
+	.parent		= &func_54m_ck,
+	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
+				RATE_PROPAGATES,
+	.enable_reg	= OMAP24XX_PRCM_CLKOUT_CTRL,
+	.enable_bit	= OMAP24XX_CLKOUT_EN_SHIFT,
+	.init		= &omap2_init_clksel_parent,
+	.clksel_reg	= OMAP24XX_PRCM_CLKOUT_CTRL,
+	.clksel_mask	= OMAP24XX_CLKOUT_SOURCE_MASK,
+	.clksel		= common_clkout_src_clksel,
+	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
+};
+
+static const struct clksel_rate common_clkout_rates[] = {
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 2, .val = 1, .flags = RATE_IN_24XX },
+	{ .div = 4, .val = 2, .flags = RATE_IN_24XX },
+	{ .div = 8, .val = 3, .flags = RATE_IN_24XX },
+	{ .div = 16, .val = 4, .flags = RATE_IN_24XX },
+	{ .div = 0 },
+};
+
+static const struct clksel sys_clkout_clksel[] = {
+	{ .parent = &sys_clkout_src, .rates = common_clkout_rates },
+	{ .parent = NULL }
 };
 
 static struct clk sys_clkout = {
 	.name		= "sys_clkout",
-	.parent		= &func_54m_ck,
-	.rate		= 54000000,
+	.parent		= &sys_clkout_src,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				CM_SYSCLKOUT_SEL1 | RATE_CKCTL,
-	.src_offset	= 0,
-	.enable_reg	= (void __iomem *)&PRCM_CLKOUT_CTRL,
-	.enable_bit	= 7,
-	.rate_offset	= 3,
+				PARENT_CONTROLS_CLOCK,
+	.clksel_reg	= OMAP24XX_PRCM_CLKOUT_CTRL,
+	.clksel_mask	= OMAP24XX_CLKOUT_DIV_MASK,
+	.clksel		= sys_clkout_clksel,
+	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
+};
+
+/* In 2430, new in 2420 ES2 */
+static struct clk sys_clkout2_src = {
+	.name		= "sys_clkout2_src",
+	.parent		= &func_54m_ck,
+	.flags		= CLOCK_IN_OMAP242X | RATE_PROPAGATES,
+	.enable_reg	= OMAP24XX_PRCM_CLKOUT_CTRL,
+	.enable_bit	= OMAP2420_CLKOUT2_EN_SHIFT,
+	.init		= &omap2_init_clksel_parent,
+	.clksel_reg	= OMAP24XX_PRCM_CLKOUT_CTRL,
+	.clksel_mask	= OMAP2420_CLKOUT2_SOURCE_MASK,
+	.clksel		= common_clkout_src_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
+};
+
+static const struct clksel sys_clkout2_clksel[] = {
+	{ .parent = &sys_clkout2_src, .rates = common_clkout_rates },
+	{ .parent = NULL }
 };
 
 /* In 2430, new in 2420 ES2 */
 static struct clk sys_clkout2 = {
 	.name		= "sys_clkout2",
-	.parent		= &func_54m_ck,
-	.rate		= 54000000,
-	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				CM_SYSCLKOUT_SEL1 | RATE_CKCTL,
-	.src_offset	= 8,
-	.enable_reg	= (void __iomem *)&PRCM_CLKOUT_CTRL,
-	.enable_bit	= 15,
-	.rate_offset	= 11,
+	.parent		= &sys_clkout2_src,
+	.flags		= CLOCK_IN_OMAP242X | PARENT_CONTROLS_CLOCK,
+	.clksel_reg	= OMAP24XX_PRCM_CLKOUT_CTRL,
+	.clksel_mask	= OMAP2420_CLKOUT2_DIV_MASK,
+	.clksel		= sys_clkout2_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
 };
 
 static struct clk emul_ck = {
 	.name		= "emul_ck",
 	.parent		= &func_54m_ck,
 	.flags		= CLOCK_IN_OMAP242X,
-	.enable_reg	= (void __iomem *)&PRCM_CLKEMUL_CTRL,
-	.enable_bit	= 0,
-	.recalc		= &omap2_propagate_rate,
+	.enable_reg	= OMAP24XX_PRCM_CLKEMUL_CTRL,
+	.enable_bit	= OMAP24XX_EMULATION_EN_SHIFT,
+	.recalc		= &followparent_recalc,
 
 };
-#endif	/* OLD_CK */
+
 /*
  * MPU clock domain
  *	Clocks:
@@ -828,6 +964,20 @@ static struct clk emul_ck = {
  * - Base divider comes from: CM_CLKSEL_MPU
  *
  */
+static const struct clksel_rate mpu_core_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
+	{ .div = 4, .val = 4, .flags = RATE_IN_242X },
+	{ .div = 6, .val = 6, .flags = RATE_IN_242X },
+	{ .div = 8, .val = 8, .flags = RATE_IN_242X },
+	{ .div = 0 },
+};
+
+static const struct clksel mpu_clksel[] = {
+	{ .parent = &core_ck, .rates = mpu_core_rates },
+	{ .parent = NULL }
+};
+
 static struct clk mpu_ck = {	/* Control cpu */
 	.name		= "mpu_ck",
 	.parent		= &core_ck,
@@ -837,85 +987,126 @@ static struct clk mpu_ck = {	/* Control cpu */
 	.init		= &omap2_init_clksel_parent,
 	.clksel_reg	= OMAP_CM_REGADDR(MPU_MOD, CM_CLKSEL),
 	.clksel_mask	= OMAP24XX_CLKSEL_MPU_MASK,
+	.clksel		= mpu_clksel,
 	.recalc		= &omap2_clksel_recalc,
 	.round_rate     = &omap2_clksel_round_rate,
 	.set_rate	= &omap2_clksel_set_rate
 };
-#ifdef OLD_CK
+
 /*
  * DSP (2430-IVA2.1) (2420-UMA+IVA1) clock domain
  * Clocks:
- *	2430: IVA2.1_FCLK, IVA2.1_ICLK
+ *	2430: IVA2.1_FCLK (really just DSP_FCLK), IVA2.1_ICLK
  *	2420: UMA_FCLK, UMA_ICLK, IVA_MPU, IVA_COP
+ *
+ * Won't be too specific here. The core clock comes into this block
+ * it is divided then tee'ed. One branch goes directly to xyz enable
+ * controls. The other branch gets further divided by 2 then possibly
+ * routed into a synchronizer and out of clocks abc.
  */
-static struct clk iva2_1_fck = {
-	.name		= "iva2_1_fck",
+static const struct clksel_rate dsp_fck_core_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
+	{ .div = 3, .val = 3, .flags = RATE_IN_24XX },
+	{ .div = 4, .val = 4, .flags = RATE_IN_24XX },
+	{ .div = 6, .val = 6, .flags = RATE_IN_242X },
+	{ .div = 8, .val = 8, .flags = RATE_IN_242X },
+	{ .div = 12, .val = 12, .flags = RATE_IN_242X },
+	{ .div = 0 },
+};
+
+static const struct clksel dsp_fck_clksel[] = {
+	{ .parent = &core_ck, .rates = dsp_fck_core_rates },
+	{ .parent = NULL }
+};
+
+static struct clk dsp_fck = {
+	.name		= "dsp_fck",
 	.parent		= &core_ck,
-	.flags		= CLOCK_IN_OMAP243X | RATE_CKCTL | CM_DSP_SEL1 |
-				DELAYED_APP | RATE_PROPAGATES |
-				CONFIG_PARTICIPANT,
-	.rate_offset	= 0,
-	.enable_reg	= (void __iomem *)&CM_FCLKEN_DSP,
-	.enable_bit	= 0,
+	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | DELAYED_APP |
+				CONFIG_PARTICIPANT | RATE_PROPAGATES,
+	.enable_reg	= OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_FCLKEN),
+	.enable_bit	= OMAP24XX_CM_FCLKEN_DSP_EN_DSP_SHIFT,
+	.clksel_reg	= OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_CLKSEL),
+	.clksel_mask	= OMAP24XX_CLKSEL_DSP_MASK,
+	.clksel		= dsp_fck_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
 };
 
-static struct clk iva2_1_ick = {
-	.name		= "iva2_1_ick",
-	.parent		= &iva2_1_fck,
-	.flags		= CLOCK_IN_OMAP243X | RATE_CKCTL | CM_DSP_SEL1 |
-				DELAYED_APP | CONFIG_PARTICIPANT,
-	.rate_offset	= 5,
-	.recalc		= &omap2_clksel_recalc,
+/* DSP interface clock */
+static const struct clksel_rate dsp_irate_ick_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
+	{ .div = 3, .val = 3, .flags = RATE_IN_243X },
+	{ .div = 0 },
+};
+
+static const struct clksel dsp_irate_ick_clksel[] = {
+	{ .parent = &dsp_fck, .rates = dsp_irate_ick_rates },
+	{ .parent = NULL }
 };
 
 /*
- * Won't be too specific here. The core clock comes into this block
- * it is divided then tee'ed. One branch goes directly to xyz enable
- * controls. The other branch gets further divided by 2 then possibly
- * routed into a synchronizer and out of clocks abc.
+ * This clock does not exist as such in the TRM, but is added to
+ * separate source selection from  XXX
  */
-static struct clk dsp_fck = {
-	.name		= "dsp_fck",
-	.parent		= &core_ck,
-	.flags		= CLOCK_IN_OMAP242X | RATE_CKCTL | CM_DSP_SEL1 |
-			DELAYED_APP | CONFIG_PARTICIPANT | RATE_PROPAGATES,
-	.rate_offset	= 0,
-	.enable_reg	= (void __iomem *)&CM_FCLKEN_DSP,
-	.enable_bit	= 0,
+static struct clk dsp_irate_ick = {
+	.name		= "dsp_irate_ick",
+	.parent		= &dsp_fck,
+	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | DELAYED_APP |
+				CONFIG_PARTICIPANT | PARENT_CONTROLS_CLOCK,
+	.clksel_reg	= OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_CLKSEL),
+	.clksel_mask	= OMAP24XX_CLKSEL_DSP_IF_MASK,
+	.clksel		= dsp_irate_ick_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	      = &omap2_clksel_set_rate
 };
 
+/* 2420 only */
 static struct clk dsp_ick = {
 	.name		= "dsp_ick",	 /* apparently ipi and isp */
-	.parent		= &dsp_fck,
-	.flags		= CLOCK_IN_OMAP242X | RATE_CKCTL | CM_DSP_SEL1 |
-				DELAYED_APP | CONFIG_PARTICIPANT,
-	.rate_offset = 5,
-	.enable_reg	= (void __iomem *)&CM_ICLKEN_DSP,
-	.enable_bit	= 1,		/* for ipi */
-	.recalc		= &omap2_clksel_recalc,
+	.parent		= &dsp_irate_ick,
+	.flags		= CLOCK_IN_OMAP242X | DELAYED_APP | CONFIG_PARTICIPANT,
+	.enable_reg	= OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_ICLKEN),
+	.enable_bit	= OMAP2420_EN_DSP_IPI_SHIFT,	      /* for ipi */
+};
+
+/* 2430 only - EN_DSP controls both dsp fclk and iclk on 2430 */
+static struct clk iva2_1_ick = {
+	.name		= "iva2_1_ick",
+	.parent		= &dsp_irate_ick,
+	.flags		= CLOCK_IN_OMAP243X | DELAYED_APP | CONFIG_PARTICIPANT,
+	.enable_reg	= OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_FCLKEN),
+	.enable_bit	= OMAP24XX_CM_FCLKEN_DSP_EN_DSP_SHIFT,
 };
 
 static struct clk iva1_ifck = {
 	.name		= "iva1_ifck",
 	.parent		= &core_ck,
-	.flags		= CLOCK_IN_OMAP242X | CM_DSP_SEL1 | RATE_CKCTL |
-			CONFIG_PARTICIPANT | RATE_PROPAGATES | DELAYED_APP,
-	.rate_offset= 8,
-	.enable_reg	= (void __iomem *)&CM_FCLKEN_DSP,
-	.enable_bit	= 10,
+	.flags		= CLOCK_IN_OMAP242X | CONFIG_PARTICIPANT |
+				RATE_PROPAGATES | DELAYED_APP,
+	.enable_reg	= OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_FCLKEN),
+	.enable_bit	= OMAP2420_EN_IVA_COP_SHIFT,
+	.clksel_reg	= OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_CLKSEL),
+	.clksel_mask	= OMAP2420_CLKSEL_IVA_MASK,
+	.clksel		= dsp_fck_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
 };
 
 /* IVA1 mpu/int/i/f clocks are /2 of parent */
 static struct clk iva1_mpu_int_ifck = {
 	.name		= "iva1_mpu_int_ifck",
 	.parent		= &iva1_ifck,
-	.flags		= CLOCK_IN_OMAP242X | RATE_CKCTL | CM_DSP_SEL1,
-	.enable_reg	= (void __iomem *)&CM_FCLKEN_DSP,
-	.enable_bit	= 8,
-	.recalc		= &omap2_clksel_recalc,
+	.flags		= CLOCK_IN_OMAP242X,
+	.enable_reg	= OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_FCLKEN),
+	.enable_bit	= OMAP2420_EN_IVA_MPU_SHIFT,
+	.fixed_div	= 2,
+	.recalc		= &omap2_fixed_divisor_recalc,
 };
 
 /*
@@ -937,27 +1128,62 @@ static struct clk iva1_mpu_int_ifck = {
  * may very well need notification when the clock changes. Currently for low
  * operating points, these are taken care of in sleep.S.
  */
+static const struct clksel_rate core_l3_core_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
+	{ .div = 2, .val = 2, .flags = RATE_IN_242X },
+	{ .div = 4, .val = 4, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 6, .val = 6, .flags = RATE_IN_24XX },
+	{ .div = 8, .val = 8, .flags = RATE_IN_242X },
+	{ .div = 12, .val = 12, .flags = RATE_IN_242X },
+	{ .div = 16, .val = 16, .flags = RATE_IN_242X },
+	{ .div = 0 }
+};
+
+static const struct clksel core_l3_clksel[] = {
+	{ .parent = &core_ck, .rates = core_l3_core_rates },
+	{ .parent = NULL }
+};
+
 static struct clk core_l3_ck = {	/* Used for ick and fck, interconnect */
 	.name		= "core_l3_ck",
 	.parent		= &core_ck,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_CKCTL | ALWAYS_ENABLED | CM_CORE_SEL1 |
-				DELAYED_APP | CONFIG_PARTICIPANT |
-				RATE_PROPAGATES,
-	.rate_offset	= 0,
+				ALWAYS_ENABLED | DELAYED_APP |
+				CONFIG_PARTICIPANT | RATE_PROPAGATES,
+	.clksel_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1),
+	.clksel_mask	= OMAP24XX_CLKSEL_L3_MASK,
+	.clksel		= core_l3_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
+};
+
+/* usb_l4_ick */
+static const struct clksel_rate usb_l4_ick_core_l3_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
+	{ .div = 2, .val = 2, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 4, .val = 4, .flags = RATE_IN_24XX },
+	{ .div = 0 }
+};
+
+static const struct clksel usb_l4_ick_clksel[] = {
+	{ .parent = &core_l3_ck, .rates = usb_l4_ick_core_l3_rates },
+	{ .parent = NULL },
 };
 
 static struct clk usb_l4_ick = {	/* FS-USB interface clock */
 	.name		= "usb_l4_ick",
 	.parent		= &core_l3_ck,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP |
-				CONFIG_PARTICIPANT,
-	.enable_reg	= (void __iomem *)&CM_ICLKEN2_CORE,
-	.enable_bit	= 0,
-	.rate_offset = 25,
+				DELAYED_APP | CONFIG_PARTICIPANT,
+	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
+	.enable_bit	= OMAP24XX_EN_USB_SHIFT,
+	.clksel_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1),
+	.clksel_mask	= OMAP24XX_CLKSEL_USB_MASK,
+	.clksel		= usb_l4_ick_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
 };
 
 /*
@@ -968,15 +1194,35 @@ static struct clk usb_l4_ick = {	/* FS-USB interface clock */
  *
  * ssr = core/1/2/3/4/5, sst = 1/2 ssr.
  */
+static const struct clksel_rate ssi_ssr_sst_fck_core_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
+	{ .div = 2, .val = 2, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 3, .val = 3, .flags = RATE_IN_24XX },
+	{ .div = 4, .val = 4, .flags = RATE_IN_24XX },
+	{ .div = 5, .val = 5, .flags = RATE_IN_243X },
+	{ .div = 6, .val = 6, .flags = RATE_IN_242X },
+	{ .div = 8, .val = 8, .flags = RATE_IN_242X },
+	{ .div = 0 }
+};
+
+static const struct clksel ssi_ssr_sst_fck_clksel[] = {
+	{ .parent = &core_ck, .rates = ssi_ssr_sst_fck_core_rates },
+	{ .parent = NULL }
+};
+
 static struct clk ssi_ssr_sst_fck = {
 	.name		= "ssi_fck",
 	.parent		= &core_ck,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP,
-	.enable_reg	= (void __iomem *)&CM_FCLKEN2_CORE,	/* bit 1 */
-	.enable_bit	= 1,
-	.rate_offset = 20,
+				DELAYED_APP,
+	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2),
+	.enable_bit	= OMAP24XX_EN_SSI_SHIFT,
+	.clksel_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1),
+	.clksel_mask	= OMAP24XX_CLKSEL_SSI_MASK,
+	.clksel		= ssi_ssr_sst_fck_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
 };
 
 /*
@@ -990,36 +1236,49 @@ static struct clk ssi_ssr_sst_fck = {
  * divided value of fclk.
  *
  */
+/* XXX REVISIT: GFX clock is part of CONFIG_PARTICIPANT, no? doublecheck. */
+
+/* This clksel struct is shared between gfx_3d_fck and gfx_2d_fck */
+static const struct clksel gfx_fck_clksel[] = {
+	{ .parent = &core_l3_ck, .rates = gfx_l3_rates },
+	{ .parent = NULL },
+};
+
 static struct clk gfx_3d_fck = {
 	.name		= "gfx_3d_fck",
 	.parent		= &core_l3_ck,
-	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_CKCTL | CM_GFX_SEL1,
-	.enable_reg	= (void __iomem *)&CM_FCLKEN_GFX,
-	.enable_bit	= 2,
-	.rate_offset= 0,
+	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+	.enable_reg	= OMAP_CM_REGADDR(GFX_MOD, CM_FCLKEN),
+	.enable_bit	= OMAP24XX_EN_3D_SHIFT,
+	.clksel_reg	= OMAP_CM_REGADDR(GFX_MOD, CM_CLKSEL),
+	.clksel_mask	= OMAP_CLKSEL_GFX_MASK,
+	.clksel		= gfx_fck_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
 };
 
 static struct clk gfx_2d_fck = {
 	.name		= "gfx_2d_fck",
 	.parent		= &core_l3_ck,
-	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_CKCTL | CM_GFX_SEL1,
-	.enable_reg	= (void __iomem *)&CM_FCLKEN_GFX,
-	.enable_bit	= 1,
-	.rate_offset= 0,
+	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+	.enable_reg	= OMAP_CM_REGADDR(GFX_MOD, CM_FCLKEN),
+	.enable_bit	= OMAP24XX_EN_2D_SHIFT,
+	.clksel_reg	= OMAP_CM_REGADDR(GFX_MOD, CM_CLKSEL),
+	.clksel_mask	= OMAP_CLKSEL_GFX_MASK,
+	.clksel		= gfx_fck_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
 };
 
 static struct clk gfx_ick = {
 	.name		= "gfx_ick",		/* From l3 */
 	.parent		= &core_l3_ck,
-	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_CKCTL,
-	.enable_reg	= (void __iomem *)&CM_ICLKEN_GFX,	/* bit 0 */
-	.enable_bit	= 0,
-	.recalc		= &omap2_followparent_recalc,
+	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+	.enable_reg	= OMAP_CM_REGADDR(GFX_MOD, CM_ICLKEN),
+	.enable_bit	= OMAP_EN_GFX_SHIFT,
+	.recalc		= &followparent_recalc,
 };
 
 /*
@@ -1027,26 +1286,42 @@ static struct clk gfx_ick = {
  *	CLOCKS:
  *		MDM_OSC_CLK
  *		MDM_ICLK
+ * These clocks are usable in chassis mode only.
  */
+static const struct clksel_rate mdm_ick_core_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_243X },
+	{ .div = 4, .val = 4, .flags = RATE_IN_243X | DEFAULT_RATE },
+	{ .div = 6, .val = 6, .flags = RATE_IN_243X },
+	{ .div = 9, .val = 9, .flags = RATE_IN_243X },
+	{ .div = 0 }
+};
+
+static const struct clksel mdm_ick_clksel[] = {
+	{ .parent = &core_ck, .rates = mdm_ick_core_rates },
+	{ .parent = NULL }
+};
+
 static struct clk mdm_ick = {		/* used both as a ick and fck */
 	.name		= "mdm_ick",
 	.parent		= &core_ck,
-	.flags		= CLOCK_IN_OMAP243X | RATE_CKCTL | CM_MODEM_SEL1 |
-				DELAYED_APP | CONFIG_PARTICIPANT,
-	.rate_offset	= 0,
-	.enable_reg	= (void __iomem *)&CM_ICLKEN_MDM,
-	.enable_bit	= 0,
+	.flags		= CLOCK_IN_OMAP243X | DELAYED_APP | CONFIG_PARTICIPANT,
+	.enable_reg	= OMAP_CM_REGADDR(OMAP2430_MDM_MOD, CM_ICLKEN),
+	.enable_bit	= OMAP2430_CM_ICLKEN_MDM_EN_MDM_SHIFT,
+	.clksel_reg	= OMAP_CM_REGADDR(OMAP2430_MDM_MOD, CM_CLKSEL),
+	.clksel_mask	= OMAP2430_CLKSEL_MDM_MASK,
+	.clksel		= mdm_ick_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
 };
 
 static struct clk mdm_osc_ck = {
 	.name		= "mdm_osc_ck",
-	.rate		= 26000000,
 	.parent		= &osc_ck,
-	.flags		= CLOCK_IN_OMAP243X | RATE_FIXED,
-	.enable_reg	= (void __iomem *)&CM_FCLKEN_MDM,
-	.enable_bit	= 1,
-	.recalc		= &omap2_followparent_recalc,
+	.flags		= CLOCK_IN_OMAP243X,
+	.enable_reg	= OMAP_CM_REGADDR(OMAP2430_MDM_MOD, CM_FCLKEN),
+	.enable_bit	= OMAP2430_EN_OSC_SHIFT,
+	.recalc		= &followparent_recalc,
 };
 
 /*
@@ -1056,23 +1331,37 @@ static struct clk mdm_osc_ck = {
  * functional clocks.	Fixed APLL functional source clocks are managed in
  * this domain.
  */
+static const struct clksel_rate l4_core_l3_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
+	{ .div = 0 }
+};
+
+static const struct clksel l4_clksel[] = {
+	{ .parent = &core_l3_ck, .rates = l4_core_l3_rates },
+	{ .parent = NULL }
+};
+
 static struct clk l4_ck = {		/* used both as an ick and fck */
 	.name		= "l4_ck",
 	.parent		= &core_l3_ck,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_CKCTL | ALWAYS_ENABLED | CM_CORE_SEL1 |
-				DELAYED_APP | RATE_PROPAGATES,
-	.rate_offset	= 5,
+				ALWAYS_ENABLED | DELAYED_APP | RATE_PROPAGATES,
+	.clksel_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1),
+	.clksel_mask	= OMAP24XX_CLKSEL_L4_MASK,
+	.clksel		= l4_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
 };
 
 static struct clk ssi_l4_ick = {
 	.name		= "ssi_l4_ick",
 	.parent		= &l4_ck,
-	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_CKCTL,
-	.enable_reg	= (void __iomem *)&CM_ICLKEN2_CORE,	/* bit 1 */
-	.enable_bit	= 1,
-	.recalc		= &omap2_followparent_recalc,
+	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
+	.enable_bit	= OMAP24XX_EN_SSI_SHIFT,
+	.recalc		= &followparent_recalc,
 };
 
 /*
@@ -1083,48 +1372,95 @@ static struct clk ssi_l4_ick = {
  *
  * DSS is both initiator and target.
  */
+/* XXX Add RATE_NOT_VALIDATED */
+
+static const struct clksel_rate dss1_fck_sys_rates[] = {
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel_rate dss1_fck_core_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX },
+	{ .div = 2, .val = 2, .flags = RATE_IN_24XX },
+	{ .div = 3, .val = 3, .flags = RATE_IN_24XX },
+	{ .div = 4, .val = 4, .flags = RATE_IN_24XX },
+	{ .div = 5, .val = 5, .flags = RATE_IN_24XX },
+	{ .div = 6, .val = 6, .flags = RATE_IN_24XX },
+	{ .div = 8, .val = 8, .flags = RATE_IN_24XX },
+	{ .div = 9, .val = 9, .flags = RATE_IN_24XX },
+	{ .div = 12, .val = 12, .flags = RATE_IN_24XX },
+	{ .div = 16, .val = 16, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel dss1_fck_clksel[] = {
+	{ .parent = &sys_ck,  .rates = dss1_fck_sys_rates },
+	{ .parent = &core_ck, .rates = dss1_fck_core_rates },
+	{ .parent = NULL },
+};
+
 static struct clk dss_ick = {		/* Enables both L3,L4 ICLK's */
 	.name		= "dss_ick",
 	.parent		= &l4_ck,	/* really both l3 and l4 */
-	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_CKCTL,
-	.enable_reg	= (void __iomem *)&CM_ICLKEN1_CORE,
-	.enable_bit	= 0,
-	.recalc		= &omap2_followparent_recalc,
+	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
+	.enable_bit	= OMAP24XX_EN_DSS1_SHIFT,
+	.recalc		= &followparent_recalc,
 };
 
 static struct clk dss1_fck = {
 	.name		= "dss1_fck",
 	.parent		= &core_ck,		/* Core or sys */
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_CKCTL | CM_CORE_SEL1 | DELAYED_APP,
-	.enable_reg	= (void __iomem *)&CM_FCLKEN1_CORE,
-	.enable_bit	= 0,
-	.rate_offset	= 8,
-	.src_offset	= 8,
+				DELAYED_APP,
+	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
+	.enable_bit	= OMAP24XX_EN_DSS1_SHIFT,
+	.init		= &omap2_init_clksel_parent,
+	.clksel_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1),
+	.clksel_mask	= OMAP24XX_CLKSEL_DSS1_MASK,
+	.clksel		= dss1_fck_clksel,
 	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
+};
+
+static const struct clksel_rate dss2_fck_sys_rates[] = {
+	{ .div = 1, .val = 0, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel_rate dss2_fck_48m_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel dss2_fck_clksel[] = {
+	{ .parent = &sys_ck,	  .rates = dss2_fck_sys_rates },
+	{ .parent = &func_48m_ck, .rates = dss2_fck_48m_rates },
+	{ .parent = NULL }
 };
 
 static struct clk dss2_fck = {		/* Alt clk used in power management */
 	.name		= "dss2_fck",
 	.parent		= &sys_ck,		/* fixed at sys_ck or 48MHz */
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_CKCTL | CM_CORE_SEL1 | RATE_FIXED |
 				DELAYED_APP,
-	.enable_reg	= (void __iomem *)&CM_FCLKEN1_CORE,
-	.enable_bit	= 1,
-	.src_offset	= 13,
-	.recalc		= &omap2_followparent_recalc,
+	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
+	.enable_bit	= OMAP24XX_EN_DSS2_SHIFT,
+	.init		= &omap2_init_clksel_parent,
+	.clksel_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1),
+	.clksel_mask	= OMAP24XX_CLKSEL_DSS2_MASK,
+	.clksel		= dss2_fck_clksel,
+	.recalc		= &followparent_recalc,
 };
 
 static struct clk dss_54m_fck = {	/* Alt clk used in power management */
 	.name		= "dss_54m_fck",	/* 54m tv clk */
 	.parent		= &func_54m_ck,
-	.rate		= 54000000,
-	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				RATE_FIXED | RATE_PROPAGATES,
-	.enable_reg	= (void __iomem *)&CM_FCLKEN1_CORE,
-	.enable_bit	= 2,
-	.recalc		= &omap2_propagate_rate,
+	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
+	.enable_bit	= OMAP24XX_EN_TV_SHIFT,
+	.recalc		= &followparent_recalc,
 };
 
 /*
@@ -1133,334 +1469,372 @@ static struct clk dss_54m_fck = {	/* Alt clk used in power management */
  * here will likely have an L4 interface parent, and may have multiple
  * functional clock parents.
  */
+static const struct clksel_rate gpt_alt_rates[] = {
+	{ .div = 1, .val = 2, .flags = RATE_IN_24XX | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel omap24xx_gpt_clksel[] = {
+	{ .parent = &func_32k_ck, .rates = gpt_32k_rates },
+	{ .parent = &sys_ck,	  .rates = gpt_sys_rates },
+	{ .parent = &alt_ck,	  .rates = gpt_alt_rates },
+	{ .parent = NULL },
+};
+
 static struct clk gpt1_ick = {
 	.name		= "gpt1_ick",
 	.parent		= &l4_ck,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
-	.enable_reg	= (void __iomem *)&CM_ICLKEN_WKUP,	/* Bit0 */
-	.enable_bit	= 0,
-	.recalc		= &omap2_followparent_recalc,
+	.enable_reg	= OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN),
+	.enable_bit	= OMAP24XX_EN_GPT1_SHIFT,
+	.recalc		= &followparent_recalc,
 };
 
 static struct clk gpt1_fck = {
 	.name		= "gpt1_fck",
 	.parent		= &func_32k_ck,
-	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				CM_WKUP_SEL1,
-	.enable_reg	= (void __iomem *)&CM_FCLKEN_WKUP,	/* Bit0 */
-	.enable_bit	= 0,
-	.src_offset	= 0,
-	.recalc		= &omap2_followparent_recalc,
+	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+	.enable_reg	= OMAP_CM_REGADDR(WKUP_MOD, CM_FCLKEN),
+	.enable_bit	= OMAP24XX_EN_GPT1_SHIFT,
+	.init		= &omap2_init_clksel_parent,
+	.clksel_reg	= OMAP_CM_REGADDR(WKUP_MOD, CM_CLKSEL1),
+	.clksel_mask	= OMAP24XX_CLKSEL_GPT1_MASK,
+	.clksel		= omap24xx_gpt_clksel,
+	.recalc		= &omap2_clksel_recalc,
+	.round_rate	= &omap2_clksel_round_rate,
+	.set_rate	= &omap2_clksel_set_rate
 };
 
 static struct clk gpt2_ick = {
 	.name		= "gpt2_ick",
 	.parent		= &l4_ck,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
-	.enable_reg	= (void __iomem *)&CM_ICLKEN1_CORE,	/* Bit4 */
-	.enable_bit	= 4,
-	.recalc		= &omap2_followparent_recalc,
+	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
+	.enable_bit	= OMAP24XX_EN_GPT2_SHIFT,
+	.recalc		= &followparent_recalc,
 };
 
 static struct clk gpt2_fck = {
 	.name		= "gpt2_fck",
 	.parent		= &func_32k_ck,
-	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |
-				CM_CORE_SEL2,
-	.enable_reg	= (void __iomem *)&CM_FCLKEN1_CORE,
-	.enable_bit	= 4,
-	.src_offset	= 2,
-	.recalc		= &omap2_followparent_recalc,
+	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
+	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
+	.enable_bit	= OMAP24XX_EN_GPT2_SHIFT,
+	.init		= &omap2_init_clksel_parent,
+	.clksel_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL2),
+	.clksel_mask	= OMAP24XX_CLKSEL_GPT2_MASK,
+	.clksel		= omap24xx_gpt_clksel,
+	.recalc		= &omap2_clksel_recalc,
 };
 
 static struct clk gpt3_ick = {
 	.name		= "gpt3_ick",
 	.parent		= &l4_ck,
 	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
-	.enable_reg	= (void __iomem *)&CM_ICLKEN1_CORE,	/* Bit5 */
-	.enable_bit	= 5,
-	.recalc		= &omap2_followparent_recalc,
+	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
+	.enable_bit	= OMAP24XX_EN_GPT3_SHIFT,
+	.recalc		= &followparent_recalc,
 };
 
 static struct clk gpt3_fck = {
 	.name		= "gpt3_fck",
 	.parent		= &func_32k_ck,
-	.flags		= CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X |<