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-rw-r--r--arch/arm/mach-omap2/clock34xx.h503
1 files changed, 404 insertions, 99 deletions
diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h
index e4d73455f4c..cf4644a94b9 100644
--- a/arch/arm/mach-omap2/clock34xx.h
+++ b/arch/arm/mach-omap2/clock34xx.h
@@ -1,6 +1,10 @@
/*
* OMAP3 clock framework
*
+ * Virtual clocks are introduced as a convenient tools.
+ * They are sources for other clocks and not supposed
+ * to be requested from drivers directly.
+ *
* Copyright (C) 2007-2008 Texas Instruments, Inc.
* Copyright (C) 2007-2008 Nokia Corporation
*
@@ -203,6 +207,36 @@ static struct clk sys_clkout1 = {
/* CM CLOCKS */
+static const struct clksel_rate dpll_bypass_rates[] = {
+ { .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE },
+ { .div = 0 }
+};
+
+static const struct clksel_rate dpll_locked_rates[] = {
+ { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+ { .div = 0 }
+};
+
+static const struct clksel_rate div16_dpll_rates[] = {
+ { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
+ { .div = 2, .val = 2, .flags = RATE_IN_343X },
+ { .div = 3, .val = 3, .flags = RATE_IN_343X },
+ { .div = 4, .val = 4, .flags = RATE_IN_343X },
+ { .div = 5, .val = 5, .flags = RATE_IN_343X },
+ { .div = 6, .val = 6, .flags = RATE_IN_343X },
+ { .div = 7, .val = 7, .flags = RATE_IN_343X },
+ { .div = 8, .val = 8, .flags = RATE_IN_343X },
+ { .div = 9, .val = 9, .flags = RATE_IN_343X },
+ { .div = 10, .val = 10, .flags = RATE_IN_343X },
+ { .div = 11, .val = 11, .flags = RATE_IN_343X },
+ { .div = 12, .val = 12, .flags = RATE_IN_343X },
+ { .div = 13, .val = 13, .flags = RATE_IN_343X },
+ { .div = 14, .val = 14, .flags = RATE_IN_343X },
+ { .div = 15, .val = 15, .flags = RATE_IN_343X },
+ { .div = 16, .val = 16, .flags = RATE_IN_343X },
+ { .div = 0 }
+};
+
/* DPLL1 */
/* MPU clock source */
/* Type: DPLL */
@@ -210,8 +244,6 @@ static const struct dpll_data dpll1_dd = {
.mult_div1_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL1_PLL),
.mult_mask = OMAP3430_MPU_DPLL_MULT_MASK,
.div1_mask = OMAP3430_MPU_DPLL_DIV_MASK,
- .div2_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL2_PLL),
- .div2_mask = OMAP3430_MPU_DPLL_CLKOUT_DIV_MASK,
.control_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKEN_PLL),
.enable_mask = OMAP3430_EN_MPU_DPLL_MASK,
.auto_recal_bit = OMAP3430_EN_MPU_DPLL_DRIFTGUARD_SHIFT,
@@ -228,15 +260,37 @@ static struct clk dpll1_ck = {
};
/*
- * REVISIT: This clock is never specifically defined in the 3430 TRM,
- * although it is referenced - so this is a guess
+ * This virtual clock provides the CLKOUTX2 output from the DPLL if the
+ * DPLL isn't bypassed.
*/
-static struct clk emu_mpu_alwon_ck = {
- .name = "emu_mpu_alwon_ck",
+static struct clk dpll1_x2_ck = {
+ .name = "dpll1_x2_ck",
.parent = &dpll1_ck,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
PARENT_CONTROLS_CLOCK,
- .recalc = &followparent_recalc,
+ .recalc = &omap3_clkoutx2_recalc,
+};
+
+/* On DPLL1, unlike other DPLLs, the divider is downstream from CLKOUTX2 */
+static const struct clksel div16_dpll1_x2m2_clksel[] = {
+ { .parent = &dpll1_x2_ck, .rates = div16_dpll_rates },
+ { .parent = NULL }
+};
+
+/*
+ * Does not exist in the TRM - needed to separate the M2 divider from
+ * bypass selection in mpu_ck
+ */
+static struct clk dpll1_x2m2_ck = {
+ .name = "dpll1_x2m2_ck",
+ .parent = &dpll1_x2_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL2_PLL),
+ .clksel_mask = OMAP3430_MPU_DPLL_CLKOUT_DIV_MASK,
+ .clksel = div16_dpll1_x2m2_clksel,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &omap2_clksel_recalc,
};
/* DPLL2 */
@@ -247,8 +301,6 @@ static const struct dpll_data dpll2_dd = {
.mult_div1_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKSEL1_PLL),
.mult_mask = OMAP3430_IVA2_DPLL_MULT_MASK,
.div1_mask = OMAP3430_IVA2_DPLL_DIV_MASK,
- .div2_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKSEL2_PLL),
- .div2_mask = OMAP3430_IVA2_DPLL_CLKOUT_DIV_MASK,
.control_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKEN_PLL),
.enable_mask = OMAP3430_EN_IVA2_DPLL_MASK,
.auto_recal_bit = OMAP3430_EN_IVA2_DPLL_DRIFTGUARD_SHIFT,
@@ -264,6 +316,28 @@ static struct clk dpll2_ck = {
.recalc = &omap3_dpll_recalc,
};
+static const struct clksel div16_dpll2_m2x2_clksel[] = {
+ { .parent = &dpll2_ck, .rates = div16_dpll_rates },
+ { .parent = NULL }
+};
+
+/*
+ * The TRM is conflicted on whether IVA2 clock comes from DPLL2 CLKOUT
+ * or CLKOUTX2. CLKOUT seems most plausible.
+ */
+static struct clk dpll2_m2_ck = {
+ .name = "dpll2_m2_ck",
+ .parent = &dpll2_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD,
+ OMAP3430_CM_CLKSEL2_PLL),
+ .clksel_mask = OMAP3430_IVA2_DPLL_CLKOUT_DIV_MASK,
+ .clksel = div16_dpll2_m2x2_clksel,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &omap2_clksel_recalc,
+};
+
/* DPLL3 */
/* Source clock for all interfaces and for some device fclks */
/* Type: DPLL */
@@ -271,8 +345,6 @@ static const struct dpll_data dpll3_dd = {
.mult_div1_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
.mult_mask = OMAP3430_CORE_DPLL_MULT_MASK,
.div1_mask = OMAP3430_CORE_DPLL_DIV_MASK,
- .div2_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
- .div2_mask = OMAP3430_CORE_DPLL_CLKOUT_DIV_MASK,
.control_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN),
.enable_mask = OMAP3430_EN_CORE_DPLL_MASK,
.auto_recal_bit = OMAP3430_EN_CORE_DPLL_DRIFTGUARD_SHIFT,
@@ -288,24 +360,16 @@ static struct clk dpll3_ck = {
.recalc = &omap3_dpll_recalc,
};
-static const struct clksel_rate div16_dpll_rates[] = {
- { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE },
- { .div = 2, .val = 2, .flags = RATE_IN_343X },
- { .div = 3, .val = 3, .flags = RATE_IN_343X },
- { .div = 4, .val = 4, .flags = RATE_IN_343X },
- { .div = 5, .val = 5, .flags = RATE_IN_343X },
- { .div = 6, .val = 6, .flags = RATE_IN_343X },
- { .div = 7, .val = 7, .flags = RATE_IN_343X },
- { .div = 8, .val = 8, .flags = RATE_IN_343X },
- { .div = 9, .val = 9, .flags = RATE_IN_343X },
- { .div = 10, .val = 10, .flags = RATE_IN_343X },
- { .div = 11, .val = 11, .flags = RATE_IN_343X },
- { .div = 12, .val = 12, .flags = RATE_IN_343X },
- { .div = 13, .val = 13, .flags = RATE_IN_343X },
- { .div = 14, .val = 14, .flags = RATE_IN_343X },
- { .div = 15, .val = 15, .flags = RATE_IN_343X },
- { .div = 16, .val = 16, .flags = RATE_IN_343X },
- { .div = 0 }
+/*
+ * This virtual clock provides the CLKOUTX2 output from the DPLL if the
+ * DPLL isn't bypassed
+ */
+static struct clk dpll3_x2_ck = {
+ .name = "dpll3_x2_ck",
+ .parent = &dpll3_ck,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &omap3_clkoutx2_recalc,
};
static const struct clksel_rate div31_dpll3_rates[] = {
@@ -349,9 +413,9 @@ static const struct clksel div31_dpll3m2_clksel[] = {
};
/*
- * REVISIT: Not sure what to do about clksel & these M2 divider clocks.
- * Shouldn't they be changed in SRAM?
- * This should probably remain a 'read-only' clksel clock.
+ * DPLL3 output M2
+ * REVISIT: This DPLL output divider must be changed in SRAM, so until
+ * that code is ready, this should remain a 'read-only' clksel clock.
*/
static struct clk dpll3_m2_ck = {
.name = "dpll3_m2_ck",
@@ -365,58 +429,85 @@ static struct clk dpll3_m2_ck = {
.recalc = &omap2_clksel_recalc,
};
+static const struct clksel core_ck_clksel[] = {
+ { .parent = &sys_ck, .rates = dpll_bypass_rates },
+ { .parent = &dpll3_m2_ck, .rates = dpll_locked_rates },
+ { .parent = NULL }
+};
+
static struct clk core_ck = {
.name = "core_ck",
- .parent = &dpll3_m2_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
+ .clksel_mask = OMAP3430_ST_CORE_CLK,
+ .clksel = core_ck_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
PARENT_CONTROLS_CLOCK,
- .recalc = &followparent_recalc,
+ .recalc = &omap2_clksel_recalc,
};
-/*
- * This virtual clock provides the CLKOUTX2 output from the DPLL if the
- * DPLL isn't bypassed
- */
-static struct clk dpll3_x2_ck = {
- .name = "dpll3_x2_ck",
- .parent = &core_ck,
- .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
- PARENT_CONTROLS_CLOCK,
- .recalc = &omap3_clkoutx2_recalc,
+static const struct clksel dpll3_m2x2_ck_clksel[] = {
+ { .parent = &sys_ck, .rates = dpll_bypass_rates },
+ { .parent = &dpll3_x2_ck, .rates = dpll_locked_rates },
+ { .parent = NULL }
};
static struct clk dpll3_m2x2_ck = {
.name = "dpll3_m2x2_ck",
- .parent = &dpll3_x2_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
+ .clksel_mask = OMAP3430_ST_CORE_CLK,
+ .clksel = dpll3_m2x2_ck_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
PARENT_CONTROLS_CLOCK,
- .recalc = &followparent_recalc,
+ .recalc = &omap2_clksel_recalc,
+};
+
+/* The PWRDN bit is apparently only available on 3430ES2 and above */
+static const struct clksel div16_dpll3_clksel[] = {
+ { .parent = &dpll3_ck, .rates = div16_dpll_rates },
+ { .parent = NULL }
+};
+
+/* This virtual clock is the source for dpll3_m3x2_ck */
+static struct clk dpll3_m3_ck = {
+ .name = "dpll3_m3_ck",
+ .parent = &dpll3_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1),
+ .clksel_mask = OMAP3430_DIV_DPLL3_MASK,
+ .clksel = div16_dpll3_clksel,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &omap2_clksel_recalc,
};
/* The PWRDN bit is apparently only available on 3430ES2 and above */
static struct clk dpll3_m3x2_ck = {
.name = "dpll3_m3x2_ck",
- .parent = &dpll3_x2_ck,
+ .parent = &dpll3_m3_ck,
.enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN),
.enable_bit = OMAP3430_PWRDN_EMU_CORE_SHIFT,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | INVERT_ENABLE,
- .recalc = &followparent_recalc,
+ .recalc = &omap3_clkoutx2_recalc,
};
-static const struct clksel div16_dpll3_clksel[] = {
- { .parent = &dpll3_x2_ck, .rates = div16_dpll_rates },
+static const struct clksel emu_core_alwon_ck_clksel[] = {
+ { .parent = &sys_ck, .rates = dpll_bypass_rates },
+ { .parent = &dpll3_m3x2_ck, .rates = dpll_locked_rates },
{ .parent = NULL }
};
static struct clk emu_core_alwon_ck = {
.name = "emu_core_alwon_ck",
- .parent = &dpll3_x2_ck,
+ .parent = &dpll3_m3x2_ck,
.init = &omap2_init_clksel_parent,
- .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1),
- .clksel_mask = OMAP3430_DIV_DPLL3_MASK,
- .clksel = div16_dpll3_clksel,
- .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES,
- .recalc = &followparent_recalc,
+ .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
+ .clksel_mask = OMAP3430_ST_CORE_CLK,
+ .clksel = emu_core_alwon_ck_clksel,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &omap2_clksel_recalc,
};
/* DPLL4 */
@@ -443,7 +534,8 @@ static struct clk dpll4_ck = {
/*
* This virtual clock provides the CLKOUTX2 output from the DPLL if the
- * DPLL isn't bypassed
+ * DPLL isn't bypassed --
+ * XXX does this serve any downstream clocks?
*/
static struct clk dpll4_x2_ck = {
.name = "dpll4_x2_ck",
@@ -454,30 +546,49 @@ static struct clk dpll4_x2_ck = {
};
static const struct clksel div16_dpll4_clksel[] = {
- { .parent = &dpll4_x2_ck, .rates = div16_dpll_rates },
+ { .parent = &dpll4_ck, .rates = div16_dpll_rates },
{ .parent = NULL }
};
+/* This virtual clock is the source for dpll4_m2x2_ck */
+static struct clk dpll4_m2_ck = {
+ .name = "dpll4_m2_ck",
+ .parent = &dpll4_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430_CM_CLKSEL3),
+ .clksel_mask = OMAP3430_DIV_96M_MASK,
+ .clksel = div16_dpll4_clksel,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &omap2_clksel_recalc,
+};
+
/* The PWRDN bit is apparently only available on 3430ES2 and above */
static struct clk dpll4_m2x2_ck = {
.name = "dpll4_m2x2_ck",
- .parent = &dpll4_x2_ck,
- .init = &omap2_init_clksel_parent,
+ .parent = &dpll4_m2_ck,
.enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN),
.enable_bit = OMAP3430_PWRDN_96M_SHIFT,
- .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430_CM_CLKSEL3),
- .clksel_mask = OMAP3430_DIV_96M_MASK,
- .clksel = div16_dpll4_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | INVERT_ENABLE,
- .recalc = &omap2_clksel_recalc,
+ .recalc = &omap3_clkoutx2_recalc,
+};
+
+static const struct clksel omap_96m_alwon_fck_clksel[] = {
+ { .parent = &sys_ck, .rates = dpll_bypass_rates },
+ { .parent = &dpll4_m2x2_ck, .rates = dpll_locked_rates },
+ { .parent = NULL }
};
static struct clk omap_96m_alwon_fck = {
.name = "omap_96m_alwon_fck",
.parent = &dpll4_m2x2_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
+ .clksel_mask = OMAP3430_ST_PERIPH_CLK,
+ .clksel = omap_96m_alwon_fck_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
PARENT_CONTROLS_CLOCK,
- .recalc = &followparent_recalc,
+ .recalc = &omap2_clksel_recalc,
};
static struct clk omap_96m_fck = {
@@ -488,25 +599,63 @@ static struct clk omap_96m_fck = {
.recalc = &followparent_recalc,
};
+static const struct clksel cm_96m_fck_clksel[] = {
+ { .parent = &sys_ck, .rates = dpll_bypass_rates },
+ { .parent = &dpll4_m2x2_ck, .rates = dpll_locked_rates },
+ { .parent = NULL }
+};
+
static struct clk cm_96m_fck = {
.name = "cm_96m_fck",
.parent = &dpll4_m2x2_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
+ .clksel_mask = OMAP3430_ST_PERIPH_CLK,
+ .clksel = cm_96m_fck_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
PARENT_CONTROLS_CLOCK,
- .recalc = &followparent_recalc,
+ .recalc = &omap2_clksel_recalc,
+};
+
+/* This virtual clock is the source for dpll4_m3x2_ck */
+static struct clk dpll4_m3_ck = {
+ .name = "dpll4_m3_ck",
+ .parent = &dpll4_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
+ .clksel_mask = OMAP3430_CLKSEL_TV_MASK,
+ .clksel = div16_dpll4_clksel,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &omap2_clksel_recalc,
};
/* The PWRDN bit is apparently only available on 3430ES2 and above */
static struct clk dpll4_m3x2_ck = {
.name = "dpll4_m3x2_ck",
- .parent = &dpll4_x2_ck,
+ .parent = &dpll4_m3_ck,
.init = &omap2_init_clksel_parent,
.enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN),
.enable_bit = OMAP3430_PWRDN_TV_SHIFT,
- .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
- .clksel_mask = OMAP3430_CLKSEL_TV_MASK,
- .clksel = div16_dpll4_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | INVERT_ENABLE,
+ .recalc = &omap3_clkoutx2_recalc,
+};
+
+static const struct clksel virt_omap_54m_fck_clksel[] = {
+ { .parent = &sys_ck, .rates = dpll_bypass_rates },
+ { .parent = &dpll4_m3x2_ck, .rates = dpll_locked_rates },
+ { .parent = NULL }
+};
+
+static struct clk virt_omap_54m_fck = {
+ .name = "virt_omap_54m_fck",
+ .parent = &dpll4_m3x2_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
+ .clksel_mask = OMAP3430_ST_PERIPH_CLK,
+ .clksel = virt_omap_54m_fck_clksel,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
.recalc = &omap2_clksel_recalc,
};
@@ -521,7 +670,7 @@ static const struct clksel_rate omap_54m_alt_rates[] = {
};
static const struct clksel omap_54m_clksel[] = {
- { .parent = &dpll4_m3x2_ck, .rates = omap_54m_d4m3x2_rates },
+ { .parent = &virt_omap_54m_fck, .rates = omap_54m_d4m3x2_rates },
{ .parent = &sys_altclk, .rates = omap_54m_alt_rates },
{ .parent = NULL }
};
@@ -573,46 +722,74 @@ static struct clk omap_12m_fck = {
.recalc = &omap2_fixed_divisor_recalc,
};
+/* This virstual clock is the source for dpll4_m4x2_ck */
+static struct clk dpll4_m4_ck = {
+ .name = "dpll4_m4_ck",
+ .parent = &dpll4_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
+ .clksel_mask = OMAP3430_CLKSEL_DSS1_MASK,
+ .clksel = div16_dpll4_clksel,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &omap2_clksel_recalc,
+};
+
/* The PWRDN bit is apparently only available on 3430ES2 and above */
static struct clk dpll4_m4x2_ck = {
.name = "dpll4_m4x2_ck",
- .parent = &dpll4_x2_ck,
- .init = &omap2_init_clksel_parent,
+ .parent = &dpll4_m4_ck,
.enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN),
.enable_bit = OMAP3430_PWRDN_CAM_SHIFT,
- .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
- .clksel_mask = OMAP3430_CLKSEL_DSS1_MASK,
- .clksel = div16_dpll4_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | INVERT_ENABLE,
+ .recalc = &omap3_clkoutx2_recalc,
+};
+
+/* This virtual clock is the source for dpll4_m5x2_ck */
+static struct clk dpll4_m5_ck = {
+ .name = "dpll4_m5_ck",
+ .parent = &dpll4_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_CLKSEL),
+ .clksel_mask = OMAP3430_CLKSEL_CAM_MASK,
+ .clksel = div16_dpll4_clksel,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
.recalc = &omap2_clksel_recalc,
};
/* The PWRDN bit is apparently only available on 3430ES2 and above */
static struct clk dpll4_m5x2_ck = {
.name = "dpll4_m5x2_ck",
- .parent = &dpll4_x2_ck,
- .init = &omap2_init_clksel_parent,
+ .parent = &dpll4_m5_ck,
.enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN),
.enable_bit = OMAP3430_PWRDN_CAM_SHIFT,
- .clksel_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_CLKSEL),
- .clksel_mask = OMAP3430_CLKSEL_CAM_MASK,
- .clksel = div16_dpll4_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | INVERT_ENABLE,
+ .recalc = &omap3_clkoutx2_recalc,
+};
+
+/* This virtual clock is the source for dpll4_m6x2_ck */
+static struct clk dpll4_m6_ck = {
+ .name = "dpll4_m6_ck",
+ .parent = &dpll4_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1),
+ .clksel_mask = OMAP3430_DIV_DPLL4_MASK,
+ .clksel = div16_dpll4_clksel,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
.recalc = &omap2_clksel_recalc,
};
/* The PWRDN bit is apparently only available on 3430ES2 and above */
static struct clk dpll4_m6x2_ck = {
.name = "dpll4_m6x2_ck",
- .parent = &dpll4_x2_ck,
+ .parent = &dpll4_m6_ck,
.init = &omap2_init_clksel_parent,
.enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN),
.enable_bit = OMAP3430_PWRDN_EMU_PERIPH_SHIFT,
- .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1),
- .clksel_mask = OMAP3430_DIV_DPLL4_MASK,
- .clksel = div16_dpll4_clksel,
.flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | INVERT_ENABLE,
- .recalc = &omap2_clksel_recalc,
+ .recalc = &omap3_clkoutx2_recalc,
};
static struct clk emu_per_alwon_ck = {
@@ -647,7 +824,7 @@ static struct clk dpll5_ck = {
.recalc = &omap3_dpll_recalc,
};
-static const struct clksel div16_dpll5m2_clksel[] = {
+static const struct clksel div16_dpll5_clksel[] = {
{ .parent = &dpll5_ck, .rates = div16_dpll_rates },
{ .parent = NULL }
};
@@ -658,16 +835,27 @@ static struct clk dpll5_m2_ck = {
.init = &omap2_init_clksel_parent,
.clksel_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430ES2_CM_CLKSEL5),
.clksel_mask = OMAP3430ES2_DIV_120M_MASK,
- .clksel = div16_dpll5m2_clksel,
+ .clksel = div16_dpll5_clksel,
.flags = CLOCK_IN_OMAP3430ES2 | RATE_PROPAGATES,
.recalc = &omap2_clksel_recalc,
};
+static const struct clksel omap_120m_fck_clksel[] = {
+ { .parent = &sys_ck, .rates = dpll_bypass_rates },
+ { .parent = &dpll5_m2_ck, .rates = dpll_locked_rates },
+ { .parent = NULL }
+};
+
static struct clk omap_120m_fck = {
.name = "omap_120m_fck",
.parent = &dpll5_m2_ck,
- .flags = CLOCK_IN_OMAP3430ES2 | RATE_PROPAGATES,
- .recalc = &followparent_recalc,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST2),
+ .clksel_mask = OMAP3430ES2_ST_PERIPH2_CLK_MASK,
+ .clksel = omap_120m_fck_clksel,
+ .flags = CLOCK_IN_OMAP3430ES2 | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &omap2_clksel_recalc,
};
/* CM EXTERNAL CLOCK OUTPUTS */
@@ -753,10 +941,10 @@ static const struct clksel div2_core_clksel[] = {
{ .parent = NULL }
};
-/* TRM s. 4.7.7.4 lists the input for these two clocks as CORE_CK,
- but presuming that is an error, or at least an overgeneralization */
-/* REVISIT: Are these in DPLL power domain or CM power domain? docs
- may be inconsistent here? */
+/*
+ * REVISIT: Are these in DPLL power domain or CM power domain? docs
+ * may be inconsistent here?
+ */
static struct clk dpll1_fck = {
.name = "dpll1_fck",
.parent = &core_ck,
@@ -769,6 +957,66 @@ static struct clk dpll1_fck = {
.recalc = &omap2_clksel_recalc,
};
+/*
+ * MPU clksel:
+ * If DPLL1 is locked, mpu_ck derives from DPLL1; otherwise, mpu_ck
+ * derives from the high-frequency bypass clock originating from DPLL3,
+ * called 'dpll1_fck'
+ */
+static const struct clksel mpu_clksel[] = {
+ { .parent = &dpll1_fck, .rates = dpll_bypass_rates },
+ { .parent = &dpll1_x2m2_ck, .rates = dpll_locked_rates },
+ { .parent = NULL }
+};
+
+static struct clk mpu_ck = {
+ .name = "mpu_ck",
+ .parent = &dpll1_x2m2_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_IDLEST_PLL),
+ .clksel_mask = OMAP3430_ST_MPU_CLK_MASK,
+ .clksel = mpu_clksel,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &omap2_clksel_recalc,
+};
+
+/* arm_fck is divided by two when DPLL1 locked; otherwise, passthrough mpu_ck */
+static const struct clksel_rate arm_fck_rates[] = {
+ { .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE },
+ { .div = 2, .val = 1, .flags = RATE_IN_343X },
+ { .div = 0 },
+};
+
+static const struct clksel arm_fck_clksel[] = {
+ { .parent = &mpu_ck, .rates = arm_fck_rates },
+ { .parent = NULL }
+};
+
+static struct clk arm_fck = {
+ .name = "arm_fck",
+ .parent = &mpu_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_IDLEST_PLL),
+ .clksel_mask = OMAP3430_ST_MPU_CLK_MASK,
+ .clksel = arm_fck_clksel,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &omap2_clksel_recalc,
+};
+
+/*
+ * REVISIT: This clock is never specifically defined in the 3430 TRM,
+ * although it is referenced - so this is a guess
+ */
+static struct clk emu_mpu_alwon_ck = {
+ .name = "emu_mpu_alwon_ck",
+ .parent = &mpu_ck,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &followparent_recalc,
+};
+
static struct clk dpll2_fck = {
.name = "dpll2_fck",
.parent = &core_ck,
@@ -781,6 +1029,32 @@ static struct clk dpll2_fck = {
.recalc = &omap2_clksel_recalc,
};
+/*
+ * IVA2 clksel:
+ * If DPLL2 is locked, iva2_ck derives from DPLL2; otherwise, iva2_ck
+ * derives from the high-frequency bypass clock originating from DPLL3,
+ * called 'dpll2_fck'
+ */
+
+static const struct clksel iva2_clksel[] = {
+ { .parent = &dpll2_fck, .rates = dpll_bypass_rates },
+ { .parent = &dpll2_m2_ck, .rates = dpll_locked_rates },
+ { .parent = NULL }
+};
+
+static struct clk iva2_ck = {
+ .name = "iva2_ck",
+ .parent = &dpll2_m2_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD,
+ OMAP3430_CM_IDLEST_PLL),
+ .clksel_mask = OMAP3430_ST_IVA2_CLK_MASK,
+ .clksel = iva2_clksel,
+ .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES |
+ PARENT_CONTROLS_CLOCK,
+ .recalc = &omap2_clksel_recalc,
+};
+
/* Common interface clocks */
static struct clk l3_ick = {
@@ -831,7 +1105,7 @@ static struct clk rm_ick = {
/* GFX power domain */
-/* GFX clocks are in 3430ES1 only. 3430ES2 and later uses the SGX instead */
+/* GFX clocks are in 3430ES1 only. 3430ES2 and later uses the SGX instead */
static const struct clksel gfx_l3_clksel[] = {
{ .parent = &l3_ick, .rates = gfx_l3_rates },
@@ -1645,14 +1919,23 @@ static struct clk des1_ick = {
};
/* DSS */
+static const struct clksel dss1_alwon_fck_clksel[] = {
+ { .parent = &sys_ck, .rates = dpll_bypass_rates },
+ { .parent = &dpll4_m4x2_ck, .rates = dpll_locked_rates },
+ { .parent = NULL }
+};
static struct clk dss1_alwon_fck = {
.name = "dss1_alwon_fck",
.parent = &dpll4_m4x2_ck,
+ .init = &omap2_init_clksel_parent,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_DSS1_SHIFT,
+ .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
+ .clksel_mask = OMAP3430_ST_PERIPH_CLK,
+ .clksel = dss1_alwon_fck_clksel,
.flags = CLOCK_IN_OMAP343X,
- .recalc = &followparent_recalc,
+ .recalc = &omap2_clksel_recalc,
};
static struct clk dss_tv_fck = {
@@ -1694,13 +1977,23 @@ static struct clk dss_ick = {
/* CAM */
+static const struct clksel cam_mclk_clksel[] = {
+ { .parent = &sys_ck, .rates = dpll_bypass_rates },
+ { .parent = &dpll4_m5x2_ck, .rates = dpll_locked_rates },
+ { .parent = NULL }
+};
+
static struct clk cam_mclk = {
.name = "cam_mclk",
.parent = &dpll4_m5x2_ck,
+ .init = &omap2_init_clksel_parent,
+ .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
+ .clksel_mask = OMAP3430_ST_PERIPH_CLK,
+ .clksel = cam_mclk_clksel,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_CAM_SHIFT,
.flags = CLOCK_IN_OMAP343X,
- .recalc = &followparent_recalc,
+ .recalc = &omap2_clksel_recalc,
};
static struct clk cam_l3_ick = {
@@ -2497,7 +2790,6 @@ static struct clk wdt1_fck = {
.recalc = &followparent_recalc,
};
-
static struct clk *onchip_34xx_clks[] __initdata = {
&omap_32k_fck,
&virt_12m_ck,
@@ -2512,13 +2804,16 @@ static struct clk *onchip_34xx_clks[] __initdata = {
&mcbsp_clks,
&sys_clkout1,
&dpll1_ck,
- &emu_mpu_alwon_ck,
+ &dpll1_x2_ck,
+ &dpll1_x2m2_ck,
&dpll2_ck,
+ &dpll2_m2_ck,
&dpll3_ck,
&core_ck,
&dpll3_x2_ck,
&dpll3_m2_ck,
&dpll3_m2x2_ck,
+ &dpll3_m3_ck,
&dpll3_m3x2_ck,
&emu_core_alwon_ck,
&dpll4_ck,
@@ -2526,13 +2821,19 @@ static struct clk *onchip_34xx_clks[] __initdata = {
&omap_96m_alwon_fck,
&omap_96m_fck,
&cm_96m_fck,
+ &virt_omap_54m_fck,
&omap_54m_fck,
&omap_48m_fck,
&omap_12m_fck,
+ &dpll4_m2_ck,
&dpll4_m2x2_ck,
+ &dpll4_m3_ck,
&dpll4_m3x2_ck,
+ &dpll4_m4_ck,
&dpll4_m4x2_ck,
+ &dpll4_m5_ck,
&dpll4_m5x2_ck,
+ &dpll4_m6_ck,
&dpll4_m6x2_ck,
&emu_per_alwon_ck,
&dpll5_ck,
@@ -2542,7 +2843,11 @@ static struct clk *onchip_34xx_clks[] __initdata = {
&sys_clkout2,
&corex2_fck,
&dpll1_fck,
+ &mpu_ck,
+ &arm_fck,
+ &emu_mpu_alwon_ck,
&dpll2_fck,
+ &iva2_ck,
&l3_ick,
&l4_ick,
&rm_ick,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-01 09:11:47 +0000