diff mbox

[01/10,RFC] OMAP4: PM: Basic OMAP4 clock nodes

Message ID 1243586540-12274-1-git-send-email-rnayak@ti.com (mailing list archive)
State Superseded
Delegated to: Kevin Hilman
Headers show

Commit Message

Rajendra Nayak May 29, 2009, 8:42 a.m. UTC 
This patch defines all the clock nodes in the PRM
module for OMAP4.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
---
 arch/arm/mach-omap2/clock.h             |    2 +
 arch/arm/mach-omap2/clock44xx.h         |  294 +++++++++++++++++++++++++++++++
 arch/arm/plat-omap/include/mach/clock.h |    1 +
 3 files changed, 297 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-omap2/clock44xx.h
diff mbox

Patch

diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index 2679ddf..460874a 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -74,11 +74,13 @@  extern u8 cpu_mask;
 /* clksel_rate data common to 24xx/343x */
 static const struct clksel_rate gpt_32k_rates[] = {
 	 { .div = 1, .val = 0, .flags = RATE_IN_24XX | RATE_IN_343X | DEFAULT_RATE },
+	 { .div = 1, .val = 1, .flags = RATE_IN_443X | DEFAULT_RATE },
 	 { .div = 0 }
 };
 
 static const struct clksel_rate gpt_sys_rates[] = {
 	 { .div = 1, .val = 1, .flags = RATE_IN_24XX | RATE_IN_343X | DEFAULT_RATE },
+	 { .div = 1, .val = 0, .flags = RATE_IN_443X | DEFAULT_RATE },
 	 { .div = 0 }
 };
 
diff --git a/arch/arm/mach-omap2/clock44xx.h b/arch/arm/mach-omap2/clock44xx.h
new file mode 100644
index 0000000..2ce7147
--- /dev/null
+++ b/arch/arm/mach-omap2/clock44xx.h
@@ -0,0 +1,294 @@ 
+/*
+ * OMAP4 clock framework
+ *
+ * Copyright (C) 2009 Texas Instruments, Inc.
+ *
+ * Written by Rajendra Nayak (rnayak@ti.com)
+ *
+ */
+
+#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK44XX_H
+#define __ARCH_ARM_MACH_OMAP2_CLOCK44XX_H
+
+#include <mach/control.h>
+
+#include "clock.h"
+#include "cm.h"
+#include "cm1-regbits-44xx.h"
+#include "cm2-regbits-44xx.h"
+#include "prm.h"
+#include "prm-regbits-44xx.h"
+
+/* PRM CLOCKS */
+
+static struct clk omap_32k_fck = {
+	.name		= "omap_32k_fck",
+	.ops		= &clkops_null,
+	.rate		= 32768,
+	.flags		= RATE_FIXED,
+};
+
+static struct clk secure_32k_fck = {
+	.name		= "secure_32k_fck",
+	.ops		= &clkops_null,
+	.rate		= 32768,
+	.flags		= RATE_FIXED,
+};
+
+static struct clk virt_12m_ck = {
+	.name		= "virt_12m_ck",
+	.ops		= &clkops_null,
+	.rate		= 12000000,
+	.flags		= RATE_FIXED,
+};
+
+static struct clk virt_13m_ck = {
+	.name		= "virt_13m_ck",
+	.ops		= &clkops_null,
+	.rate		= 13000000,
+	.flags		= RATE_FIXED,
+};
+
+static struct clk virt_19_2m_ck = {
+	.name		= "virt_19_2m_ck",
+	.ops		= &clkops_null,
+	.rate		= 19200000,
+	.flags		= RATE_FIXED,
+};
+
+static struct clk virt_26m_ck = {
+	.name		= "virt_26m_ck",
+	.ops		= &clkops_null,
+	.rate		= 26000000,
+	.flags		= RATE_FIXED,
+};
+
+static struct clk virt_27m_ck = {
+	.name		= "virt_27m_ck",
+	.ops		= &clkops_null,
+	.rate		= 27000000,
+	.flags		= RATE_FIXED,
+};
+
+static struct clk virt_38_4m_ck = {
+	.name		= "virt_38_4m_ck",
+	.ops		= &clkops_null,
+	.rate		= 38400000,
+	.flags		= RATE_FIXED,
+};
+
+static const struct clksel_rate sys_clk_12m_rates[] = {
+	{ .div = 1, .val = 0, .flags = RATE_IN_443X | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel_rate sys_clk_13m_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_443X | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel_rate sys_clk_19_2m_rates[] = {
+	{ .div = 1, .val = 2, .flags = RATE_IN_443X | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel_rate sys_clk_26m_rates[] = {
+	{ .div = 1, .val = 3, .flags = RATE_IN_443X | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel_rate sys_clk_27m_rates[] = {
+	{ .div = 1, .val = 5, .flags = RATE_IN_443X | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel_rate sys_clk_38_4m_rates[] = {
+	{ .div = 1, .val = 4, .flags = RATE_IN_443X | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel sys_clk_clksel[] = {
+	{ .parent = &virt_12m_ck,   .rates = sys_clk_12m_rates },
+	{ .parent = &virt_13m_ck,   .rates = sys_clk_13m_rates },
+	{ .parent = &virt_19_2m_ck, .rates = sys_clk_19_2m_rates },
+	{ .parent = &virt_26m_ck,   .rates = sys_clk_26m_rates },
+	{ .parent = &virt_27m_ck,   .rates = sys_clk_27m_rates },
+	{ .parent = &virt_38_4m_ck, .rates = sys_clk_38_4m_rates },
+	{ .parent = NULL },
+};
+
+/* sys_clk clock */
+/* 12, 13, 19.2, 26, 27 or 38.4 MHz */
+static struct clk sys_ck = {
+	.name		= "sys_ck",
+	.ops		= &clkops_null,
+	.init		= &omap2_init_clksel_parent,
+	.clksel_reg	= OMAP4430_CM_SYS_CLKSEL,
+	.clksel_mask	= OMAP4430_SYS_CLKSEL_MASK,
+	.clksel		= sys_clk_clksel,
+	.flags		= RATE_FIXED,
+	.recalc		= &omap2_clksel_recalc,
+};
+
+static const struct clksel_rate div2_rates[] = {
+	{ .div = 1, .val = 0, .flags = RATE_IN_443X | DEFAULT_RATE },
+	{ .div = 2, .val = 1, .flags = RATE_IN_443X },
+	{ .div = 0 }
+};
+
+static const struct clksel abe_dss_sys_ck_clksel[] = {
+	{ .parent = &sys_ck, .rates = div2_rates },
+	{ .parent = NULL }
+};
+
+static struct clk abe_dss_sys_ck = {
+	.name 		= "abe_dss_sys_ck",
+	.ops            = &clkops_null,
+	.init           = &omap2_init_clksel_parent,
+	.parent         = &sys_ck,
+	.clksel_reg     = OMAP4430_CM_ABE_DSS_SYS_CLKSEL,
+	.clksel_mask    = OMAP4430_CLKSEL_MASK,
+	.clksel		= abe_dss_sys_ck_clksel,
+	.recalc		= &omap2_clksel_recalc,
+};
+
+static const struct clksel dpll_sys_ref_ck_clksel[] = {
+	{ .parent = &sys_ck, .rates = div2_rates },
+	{ .parent = NULL }
+};
+
+static struct clk dpll_sys_ref_ck = {
+	.name           = "dpll_sys_ref_ck",
+	.ops		= &clkops_null,
+	.init		= &omap2_init_clksel_parent,
+	.parent		= &sys_ck,
+	.clksel_reg	= OMAP4430_CM_DPLL_SYS_REF_CLKSEL,
+	.clksel_mask	= OMAP4430_CLKSEL_MASK,
+	.clksel		= dpll_sys_ref_ck_clksel,
+	.recalc         = &omap2_clksel_recalc,
+};
+
+static const struct clksel_rate dpll_sys_ref_ck_rates[] = {
+	{ .div = 1, .val = 0, .flags = RATE_IN_443X | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel_rate omap_32k_fck_rates[] = {
+	{ .div = 1, .val = 1, .flags = RATE_IN_443X | DEFAULT_RATE },
+	{ .div = 0 }
+};
+
+static const struct clksel abe_dpll_alwon_ck_clksel[] = {
+	{ .parent = &dpll_sys_ref_ck, .rates = dpll_sys_ref_ck_rates },
+	{ .parent = &omap_32k_fck, .rates = omap_32k_fck_rates },
+	{ .parent = NULL }
+};
+
+static struct clk abe_dpll_alwon_ck = {
+	.name           = "abe_dpll_alwon_ck",
+	.ops            = &clkops_null,
+	.init           = &omap2_init_clksel_parent,
+	.parent         = &omap_32k_fck,
+	.clksel_reg     = OMAP4430_CM_ABE_PLL_REF_CLKSEL,
+	.clksel_mask    = OMAP4430_CLKSEL_MASK,
+	.clksel         = abe_dpll_alwon_ck_clksel,
+	.recalc         = &omap2_clksel_recalc,
+};
+
+static const struct clksel  omap443x_gpt_clksel[] = {
+	{ .parent = &omap_32k_fck, .rates = gpt_32k_rates },
+	{ .parent = &sys_ck,       .rates = gpt_sys_rates },
+	{ .parent = NULL}
+};
+
+static struct clk gpt1_fck = {
+	.name           = "gpt1_fck",
+	.ops            = &clkops_omap2_dflt_wait,
+	.parent         = &sys_ck,
+	.init           = &omap2_init_clksel_parent,
+	.enable_reg     = OMAP4430_CM_WKUP_GPTIMER1_CLKCTRL,
+	.enable_bit	= OMAP4430_EN_GPT_SHIFT,
+	.clksel_reg     = OMAP4430_CM_WKUP_GPTIMER1_CLKCTRL,
+	.clksel_mask	= OMAP4430_CLKSEL_MASK,
+	.clksel		= omap443x_gpt_clksel,
+	.recalc		= &omap2_clksel_recalc,
+};
+
+static struct clk gpt2_fck = {
+	.name           = "gpt2_fck",
+	.ops            = &clkops_omap2_dflt_wait,
+	.parent         = &sys_ck,
+	.init           = &omap2_init_clksel_parent,
+	.enable_reg     = OMAP4430_CM_L4PER_GPTIMER2_CLKCTRL,
+	.enable_bit     = OMAP4430_EN_GPT_SHIFT,
+	.clksel_reg     = OMAP4430_CM_L4PER_GPTIMER2_CLKCTRL,
+	.clksel_mask    = OMAP4430_CLKSEL_MASK,
+	.clksel         = omap443x_gpt_clksel,
+	.recalc         = &omap2_clksel_recalc,
+};
+
+static struct clk gpt3_fck = {
+	.name           = "gpt3_fck",
+	.ops            = &clkops_omap2_dflt_wait,
+	.parent         = &sys_ck,
+	.init           = &omap2_init_clksel_parent,
+	.enable_reg     = OMAP4430_CM_L4PER_GPTIMER3_CLKCTRL,
+	.enable_bit     = OMAP4430_EN_GPT_SHIFT,
+	.clksel_reg     = OMAP4430_CM_L4PER_GPTIMER3_CLKCTRL,
+	.clksel_mask    = OMAP4430_CLKSEL_MASK,
+	.clksel         = omap443x_gpt_clksel,
+	.recalc         = &omap2_clksel_recalc,
+};
+
+static struct clk gpt4_fck = {
+	.name           = "gpt4_fck",
+	.ops            = &clkops_omap2_dflt_wait,
+	.parent         = &sys_ck,
+	.init           = &omap2_init_clksel_parent,
+	.enable_reg     = OMAP4430_CM_L4PER_GPTIMER4_CLKCTRL,
+	.enable_bit     = OMAP4430_EN_GPT_SHIFT,
+	.clksel_reg     = OMAP4430_CM_L4PER_GPTIMER4_CLKCTRL,
+	.clksel_mask    = OMAP4430_CLKSEL_MASK,
+	.clksel         = omap443x_gpt_clksel,
+	.recalc         = &omap2_clksel_recalc,
+};
+
+static struct clk gpt9_fck = {
+	.name           = "gpt9_fck",
+	.ops            = &clkops_omap2_dflt_wait,
+	.parent         = &sys_ck,
+	.init           = &omap2_init_clksel_parent,
+	.enable_reg     = OMAP4430_CM_L4PER_GPTIMER9_CLKCTRL,
+	.enable_bit     = OMAP4430_EN_GPT_SHIFT,
+	.clksel_reg     = OMAP4430_CM_L4PER_GPTIMER9_CLKCTRL,
+	.clksel_mask    = OMAP4430_CLKSEL_MASK,
+	.clksel         = omap443x_gpt_clksel,
+	.recalc         = &omap2_clksel_recalc,
+};
+
+static struct clk gpt10_fck = {
+	.name           = "gpt10_fck",
+	.ops            = &clkops_omap2_dflt_wait,
+	.parent         = &sys_ck,
+	.init           = &omap2_init_clksel_parent,
+	.enable_reg     = OMAP4430_CM_L4PER_GPTIMER10_CLKCTRL,
+	.enable_bit     = OMAP4430_EN_GPT_SHIFT,
+	.clksel_reg     = OMAP4430_CM_L4PER_GPTIMER10_CLKCTRL,
+	.clksel_mask    = OMAP4430_CLKSEL_MASK,
+	.clksel         = omap443x_gpt_clksel,
+	.recalc         = &omap2_clksel_recalc,
+};
+
+static struct clk gpt11_fck = {
+	.name           = "gpt11_fck",
+	.ops            = &clkops_omap2_dflt_wait,
+	.parent         = &sys_ck,
+	.init           = &omap2_init_clksel_parent,
+	.enable_reg     = OMAP4430_CM_L4PER_GPTIMER11_CLKCTRL,
+	.enable_bit     = OMAP4430_EN_GPT_SHIFT,
+	.clksel_reg     = OMAP4430_CM_L4PER_GPTIMER11_CLKCTRL,
+	.clksel_mask    = OMAP4430_CLKSEL_MASK,
+	.clksel         = omap443x_gpt_clksel,
+	.recalc         = &omap2_clksel_recalc,
+};
+#endif
diff --git a/arch/arm/plat-omap/include/mach/clock.h b/arch/arm/plat-omap/include/mach/clock.h
index f9f65e1..095d8a6 100644
--- a/arch/arm/plat-omap/include/mach/clock.h
+++ b/arch/arm/plat-omap/include/mach/clock.h
@@ -154,6 +154,7 @@  extern const struct clkops clkops_null;
 #define RATE_IN_243X		(1 << 2)
 #define RATE_IN_343X		(1 << 3)	/* rates common to all 343X */
 #define RATE_IN_3430ES2		(1 << 4)	/* 3430ES2 rates only */
+#define	RATE_IN_443X		(1 << 5)
 
 #define RATE_IN_24XX		(RATE_IN_242X | RATE_IN_243X)