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- /*
- * OMAP4 Clock data
- *
- * Copyright (C) 2009-2012 Texas Instruments, Inc.
- * Copyright (C) 2009-2010 Nokia Corporation
- *
- * Paul Walmsley (paul@pwsan.com)
- * Rajendra Nayak (rnayak@ti.com)
- * Benoit Cousson (b-cousson@ti.com)
- * Mike Turquette (mturquette@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.
- *
- * XXX Some of the ES1 clocks have been removed/changed; once support
- * is added for discriminating clocks by ES level, these should be added back
- * in.
- */
- #include <linux/kernel.h>
- #include <linux/list.h>
- #include <linux/clk-private.h>
- #include <linux/clkdev.h>
- #include <linux/io.h>
- #include "soc.h"
- #include "iomap.h"
- #include "clock.h"
- #include "clock44xx.h"
- #include "cm1_44xx.h"
- #include "cm2_44xx.h"
- #include "cm-regbits-44xx.h"
- #include "prm44xx.h"
- #include "prm-regbits-44xx.h"
- #include "control.h"
- #include "scrm44xx.h"
- /* OMAP4 modulemode control */
- #define OMAP4430_MODULEMODE_HWCTRL_SHIFT 0
- #define OMAP4430_MODULEMODE_SWCTRL_SHIFT 1
- /*
- * OMAP4 ABE DPLL default frequency. In OMAP4460 TRM version V, section
- * "3.6.3.2.3 CM1_ABE Clock Generator" states that the "DPLL_ABE_X2_CLK
- * must be set to 196.608 MHz" and hence, the DPLL locked frequency is
- * half of this value.
- */
- #define OMAP4_DPLL_ABE_DEFFREQ 98304000
- /* Root clocks */
- DEFINE_CLK_FIXED_RATE(extalt_clkin_ck, CLK_IS_ROOT, 59000000, 0x0);
- DEFINE_CLK_FIXED_RATE(pad_clks_src_ck, CLK_IS_ROOT, 12000000, 0x0);
- DEFINE_CLK_GATE(pad_clks_ck, "pad_clks_src_ck", &pad_clks_src_ck, 0x0,
- OMAP4430_CM_CLKSEL_ABE, OMAP4430_PAD_CLKS_GATE_SHIFT,
- 0x0, NULL);
- DEFINE_CLK_FIXED_RATE(pad_slimbus_core_clks_ck, CLK_IS_ROOT, 12000000, 0x0);
- DEFINE_CLK_FIXED_RATE(secure_32k_clk_src_ck, CLK_IS_ROOT, 32768, 0x0);
- DEFINE_CLK_FIXED_RATE(slimbus_src_clk, CLK_IS_ROOT, 12000000, 0x0);
- DEFINE_CLK_GATE(slimbus_clk, "slimbus_src_clk", &slimbus_src_clk, 0x0,
- OMAP4430_CM_CLKSEL_ABE, OMAP4430_SLIMBUS_CLK_GATE_SHIFT,
- 0x0, NULL);
- DEFINE_CLK_FIXED_RATE(sys_32k_ck, CLK_IS_ROOT, 32768, 0x0);
- DEFINE_CLK_FIXED_RATE(virt_12000000_ck, CLK_IS_ROOT, 12000000, 0x0);
- DEFINE_CLK_FIXED_RATE(virt_13000000_ck, CLK_IS_ROOT, 13000000, 0x0);
- DEFINE_CLK_FIXED_RATE(virt_16800000_ck, CLK_IS_ROOT, 16800000, 0x0);
- DEFINE_CLK_FIXED_RATE(virt_19200000_ck, CLK_IS_ROOT, 19200000, 0x0);
- DEFINE_CLK_FIXED_RATE(virt_26000000_ck, CLK_IS_ROOT, 26000000, 0x0);
- DEFINE_CLK_FIXED_RATE(virt_27000000_ck, CLK_IS_ROOT, 27000000, 0x0);
- DEFINE_CLK_FIXED_RATE(virt_38400000_ck, CLK_IS_ROOT, 38400000, 0x0);
- static const char *sys_clkin_ck_parents[] = {
- "virt_12000000_ck", "virt_13000000_ck", "virt_16800000_ck",
- "virt_19200000_ck", "virt_26000000_ck", "virt_27000000_ck",
- "virt_38400000_ck",
- };
- DEFINE_CLK_MUX(sys_clkin_ck, sys_clkin_ck_parents, NULL, 0x0,
- OMAP4430_CM_SYS_CLKSEL, OMAP4430_SYS_CLKSEL_SHIFT,
- OMAP4430_SYS_CLKSEL_WIDTH, CLK_MUX_INDEX_ONE, NULL);
- DEFINE_CLK_FIXED_RATE(tie_low_clock_ck, CLK_IS_ROOT, 0, 0x0);
- DEFINE_CLK_FIXED_RATE(utmi_phy_clkout_ck, CLK_IS_ROOT, 60000000, 0x0);
- DEFINE_CLK_FIXED_RATE(xclk60mhsp1_ck, CLK_IS_ROOT, 60000000, 0x0);
- DEFINE_CLK_FIXED_RATE(xclk60mhsp2_ck, CLK_IS_ROOT, 60000000, 0x0);
- DEFINE_CLK_FIXED_RATE(xclk60motg_ck, CLK_IS_ROOT, 60000000, 0x0);
- /* Module clocks and DPLL outputs */
- static const char *abe_dpll_bypass_clk_mux_ck_parents[] = {
- "sys_clkin_ck", "sys_32k_ck",
- };
- DEFINE_CLK_MUX(abe_dpll_bypass_clk_mux_ck, abe_dpll_bypass_clk_mux_ck_parents,
- NULL, 0x0, OMAP4430_CM_L4_WKUP_CLKSEL, OMAP4430_CLKSEL_SHIFT,
- OMAP4430_CLKSEL_WIDTH, 0x0, NULL);
- DEFINE_CLK_MUX(abe_dpll_refclk_mux_ck, abe_dpll_bypass_clk_mux_ck_parents, NULL,
- 0x0, OMAP4430_CM_ABE_PLL_REF_CLKSEL, OMAP4430_CLKSEL_0_0_SHIFT,
- OMAP4430_CLKSEL_0_0_WIDTH, 0x0, NULL);
- /* DPLL_ABE */
- static struct dpll_data dpll_abe_dd = {
- .mult_div1_reg = OMAP4430_CM_CLKSEL_DPLL_ABE,
- .clk_bypass = &abe_dpll_bypass_clk_mux_ck,
- .clk_ref = &abe_dpll_refclk_mux_ck,
- .control_reg = OMAP4430_CM_CLKMODE_DPLL_ABE,
- .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
- .autoidle_reg = OMAP4430_CM_AUTOIDLE_DPLL_ABE,
- .idlest_reg = OMAP4430_CM_IDLEST_DPLL_ABE,
- .mult_mask = OMAP4430_DPLL_MULT_MASK,
- .div1_mask = OMAP4430_DPLL_DIV_MASK,
- .enable_mask = OMAP4430_DPLL_EN_MASK,
- .autoidle_mask = OMAP4430_AUTO_DPLL_MODE_MASK,
- .idlest_mask = OMAP4430_ST_DPLL_CLK_MASK,
- .m4xen_mask = OMAP4430_DPLL_REGM4XEN_MASK,
- .lpmode_mask = OMAP4430_DPLL_LPMODE_EN_MASK,
- .max_multiplier = 2047,
- .max_divider = 128,
- .min_divider = 1,
- };
- static const char *dpll_abe_ck_parents[] = {
- "abe_dpll_refclk_mux_ck",
- };
- static struct clk dpll_abe_ck;
- static const struct clk_ops dpll_abe_ck_ops = {
- .enable = &omap3_noncore_dpll_enable,
- .disable = &omap3_noncore_dpll_disable,
- .recalc_rate = &omap4_dpll_regm4xen_recalc,
- .round_rate = &omap4_dpll_regm4xen_round_rate,
- .set_rate = &omap3_noncore_dpll_set_rate,
- .get_parent = &omap2_init_dpll_parent,
- };
- static struct clk_hw_omap dpll_abe_ck_hw = {
- .hw = {
- .clk = &dpll_abe_ck,
- },
- .dpll_data = &dpll_abe_dd,
- .ops = &clkhwops_omap3_dpll,
- };
- DEFINE_STRUCT_CLK(dpll_abe_ck, dpll_abe_ck_parents, dpll_abe_ck_ops);
- static const char *dpll_abe_x2_ck_parents[] = {
- "dpll_abe_ck",
- };
- static struct clk dpll_abe_x2_ck;
- static const struct clk_ops dpll_abe_x2_ck_ops = {
- .recalc_rate = &omap3_clkoutx2_recalc,
- };
- static struct clk_hw_omap dpll_abe_x2_ck_hw = {
- .hw = {
- .clk = &dpll_abe_x2_ck,
- },
- .flags = CLOCK_CLKOUTX2,
- .clksel_reg = OMAP4430_CM_DIV_M2_DPLL_ABE,
- .ops = &clkhwops_omap4_dpllmx,
- };
- DEFINE_STRUCT_CLK(dpll_abe_x2_ck, dpll_abe_x2_ck_parents, dpll_abe_x2_ck_ops);
- static const struct clk_ops omap_hsdivider_ops = {
- .set_rate = &omap2_clksel_set_rate,
- .recalc_rate = &omap2_clksel_recalc,
- .round_rate = &omap2_clksel_round_rate,
- };
- DEFINE_CLK_OMAP_HSDIVIDER(dpll_abe_m2x2_ck, "dpll_abe_x2_ck", &dpll_abe_x2_ck,
- 0x0, OMAP4430_CM_DIV_M2_DPLL_ABE,
- OMAP4430_DPLL_CLKOUT_DIV_MASK);
- DEFINE_CLK_FIXED_FACTOR(abe_24m_fclk, "dpll_abe_m2x2_ck", &dpll_abe_m2x2_ck,
- 0x0, 1, 8);
- DEFINE_CLK_DIVIDER(abe_clk, "dpll_abe_m2x2_ck", &dpll_abe_m2x2_ck, 0x0,
- OMAP4430_CM_CLKSEL_ABE, OMAP4430_CLKSEL_OPP_SHIFT,
- OMAP4430_CLKSEL_OPP_WIDTH, CLK_DIVIDER_POWER_OF_TWO, NULL);
- DEFINE_CLK_DIVIDER(aess_fclk, "abe_clk", &abe_clk, 0x0,
- OMAP4430_CM1_ABE_AESS_CLKCTRL,
- OMAP4430_CLKSEL_AESS_FCLK_SHIFT,
- OMAP4430_CLKSEL_AESS_FCLK_WIDTH,
- 0x0, NULL);
- DEFINE_CLK_OMAP_HSDIVIDER(dpll_abe_m3x2_ck, "dpll_abe_x2_ck", &dpll_abe_x2_ck,
- 0x0, OMAP4430_CM_DIV_M3_DPLL_ABE,
- OMAP4430_DPLL_CLKOUTHIF_DIV_MASK);
- static const char *core_hsd_byp_clk_mux_ck_parents[] = {
- "sys_clkin_ck", "dpll_abe_m3x2_ck",
- };
- DEFINE_CLK_MUX(core_hsd_byp_clk_mux_ck, core_hsd_byp_clk_mux_ck_parents, NULL,
- 0x0, OMAP4430_CM_CLKSEL_DPLL_CORE,
- OMAP4430_DPLL_BYP_CLKSEL_SHIFT, OMAP4430_DPLL_BYP_CLKSEL_WIDTH,
- 0x0, NULL);
- /* DPLL_CORE */
- static struct dpll_data dpll_core_dd = {
- .mult_div1_reg = OMAP4430_CM_CLKSEL_DPLL_CORE,
- .clk_bypass = &core_hsd_byp_clk_mux_ck,
- .clk_ref = &sys_clkin_ck,
- .control_reg = OMAP4430_CM_CLKMODE_DPLL_CORE,
- .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
- .autoidle_reg = OMAP4430_CM_AUTOIDLE_DPLL_CORE,
- .idlest_reg = OMAP4430_CM_IDLEST_DPLL_CORE,
- .mult_mask = OMAP4430_DPLL_MULT_MASK,
- .div1_mask = OMAP4430_DPLL_DIV_MASK,
- .enable_mask = OMAP4430_DPLL_EN_MASK,
- .autoidle_mask = OMAP4430_AUTO_DPLL_MODE_MASK,
- .idlest_mask = OMAP4430_ST_DPLL_CLK_MASK,
- .max_multiplier = 2047,
- .max_divider = 128,
- .min_divider = 1,
- };
- static const char *dpll_core_ck_parents[] = {
- "sys_clkin_ck", "core_hsd_byp_clk_mux_ck"
- };
- static struct clk dpll_core_ck;
- static const struct clk_ops dpll_core_ck_ops = {
- .recalc_rate = &omap3_dpll_recalc,
- .get_parent = &omap2_init_dpll_parent,
- };
- static struct clk_hw_omap dpll_core_ck_hw = {
- .hw = {
- .clk = &dpll_core_ck,
- },
- .dpll_data = &dpll_core_dd,
- .ops = &clkhwops_omap3_dpll,
- };
- DEFINE_STRUCT_CLK(dpll_core_ck, dpll_core_ck_parents, dpll_core_ck_ops);
- static const char *dpll_core_x2_ck_parents[] = {
- "dpll_core_ck",
- };
- static struct clk dpll_core_x2_ck;
- static struct clk_hw_omap dpll_core_x2_ck_hw = {
- .hw = {
- .clk = &dpll_core_x2_ck,
- },
- };
- DEFINE_STRUCT_CLK(dpll_core_x2_ck, dpll_core_x2_ck_parents, dpll_abe_x2_ck_ops);
- DEFINE_CLK_OMAP_HSDIVIDER(dpll_core_m6x2_ck, "dpll_core_x2_ck",
- &dpll_core_x2_ck, 0x0, OMAP4430_CM_DIV_M6_DPLL_CORE,
- OMAP4430_HSDIVIDER_CLKOUT3_DIV_MASK);
- DEFINE_CLK_OMAP_HSDIVIDER(dpll_core_m2_ck, "dpll_core_ck", &dpll_core_ck, 0x0,
- OMAP4430_CM_DIV_M2_DPLL_CORE,
- OMAP4430_DPLL_CLKOUT_DIV_MASK);
- DEFINE_CLK_FIXED_FACTOR(ddrphy_ck, "dpll_core_m2_ck", &dpll_core_m2_ck, 0x0, 1,
- 2);
- DEFINE_CLK_OMAP_HSDIVIDER(dpll_core_m5x2_ck, "dpll_core_x2_ck",
- &dpll_core_x2_ck, 0x0, OMAP4430_CM_DIV_M5_DPLL_CORE,
- OMAP4430_HSDIVIDER_CLKOUT2_DIV_MASK);
- DEFINE_CLK_DIVIDER(div_core_ck, "dpll_core_m5x2_ck", &dpll_core_m5x2_ck, 0x0,
- OMAP4430_CM_CLKSEL_CORE, OMAP4430_CLKSEL_CORE_SHIFT,
- OMAP4430_CLKSEL_CORE_WIDTH, 0x0, NULL);
- DEFINE_CLK_DIVIDER(div_iva_hs_clk, "dpll_core_m5x2_ck", &dpll_core_m5x2_ck,
- 0x0, OMAP4430_CM_BYPCLK_DPLL_IVA, OMAP4430_CLKSEL_0_1_SHIFT,
- OMAP4430_CLKSEL_0_1_WIDTH, CLK_DIVIDER_POWER_OF_TWO, NULL);
- DEFINE_CLK_DIVIDER(div_mpu_hs_clk, "dpll_core_m5x2_ck", &dpll_core_m5x2_ck,
- 0x0, OMAP4430_CM_BYPCLK_DPLL_MPU, OMAP4430_CLKSEL_0_1_SHIFT,
- OMAP4430_CLKSEL_0_1_WIDTH, CLK_DIVIDER_POWER_OF_TWO, NULL);
- DEFINE_CLK_OMAP_HSDIVIDER(dpll_core_m4x2_ck, "dpll_core_x2_ck",
- &dpll_core_x2_ck, 0x0, OMAP4430_CM_DIV_M4_DPLL_CORE,
- OMAP4430_HSDIVIDER_CLKOUT1_DIV_MASK);
- DEFINE_CLK_FIXED_FACTOR(dll_clk_div_ck, "dpll_core_m4x2_ck", &dpll_core_m4x2_ck,
- 0x0, 1, 2);
- DEFINE_CLK_DIVIDER(dpll_abe_m2_ck, "dpll_abe_ck", &dpll_abe_ck, 0x0,
- OMAP4430_CM_DIV_M2_DPLL_ABE, OMAP4430_DPLL_CLKOUT_DIV_SHIFT,
- OMAP4430_DPLL_CLKOUT_DIV_WIDTH, CLK_DIVIDER_ONE_BASED, NULL);
- static const struct clk_ops dmic_fck_ops = {
- .enable = &omap2_dflt_clk_enable,
- .disable = &omap2_dflt_clk_disable,
- .is_enabled = &omap2_dflt_clk_is_enabled,
- .recalc_rate = &omap2_clksel_recalc,
- .get_parent = &omap2_clksel_find_parent_index,
- .set_parent = &omap2_clksel_set_parent,
- .init = &omap2_init_clk_clkdm,
- };
- static const char *dpll_core_m3x2_ck_parents[] = {
- "dpll_core_x2_ck",
- };
- static const struct clksel dpll_core_m3x2_div[] = {
- { .parent = &dpll_core_x2_ck, .rates = div31_1to31_rates },
- { .parent = NULL },
- };
- /* XXX Missing round_rate, set_rate in ops */
- DEFINE_CLK_OMAP_MUX_GATE(dpll_core_m3x2_ck, NULL, dpll_core_m3x2_div,
- OMAP4430_CM_DIV_M3_DPLL_CORE,
- OMAP4430_DPLL_CLKOUTHIF_DIV_MASK,
- OMAP4430_CM_DIV_M3_DPLL_CORE,
- OMAP4430_DPLL_CLKOUTHIF_GATE_CTRL_SHIFT, NULL,
- dpll_core_m3x2_ck_parents, dmic_fck_ops);
- DEFINE_CLK_OMAP_HSDIVIDER(dpll_core_m7x2_ck, "dpll_core_x2_ck",
- &dpll_core_x2_ck, 0x0, OMAP4430_CM_DIV_M7_DPLL_CORE,
- OMAP4430_HSDIVIDER_CLKOUT4_DIV_MASK);
- static const char *iva_hsd_byp_clk_mux_ck_parents[] = {
- "sys_clkin_ck", "div_iva_hs_clk",
- };
- DEFINE_CLK_MUX(iva_hsd_byp_clk_mux_ck, iva_hsd_byp_clk_mux_ck_parents, NULL,
- 0x0, OMAP4430_CM_CLKSEL_DPLL_IVA, OMAP4430_DPLL_BYP_CLKSEL_SHIFT,
- OMAP4430_DPLL_BYP_CLKSEL_WIDTH, 0x0, NULL);
- /* DPLL_IVA */
- static struct dpll_data dpll_iva_dd = {
- .mult_div1_reg = OMAP4430_CM_CLKSEL_DPLL_IVA,
- .clk_bypass = &iva_hsd_byp_clk_mux_ck,
- .clk_ref = &sys_clkin_ck,
- .control_reg = OMAP4430_CM_CLKMODE_DPLL_IVA,
- .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
- .autoidle_reg = OMAP4430_CM_AUTOIDLE_DPLL_IVA,
- .idlest_reg = OMAP4430_CM_IDLEST_DPLL_IVA,
- .mult_mask = OMAP4430_DPLL_MULT_MASK,
- .div1_mask = OMAP4430_DPLL_DIV_MASK,
- .enable_mask = OMAP4430_DPLL_EN_MASK,
- .autoidle_mask = OMAP4430_AUTO_DPLL_MODE_MASK,
- .idlest_mask = OMAP4430_ST_DPLL_CLK_MASK,
- .max_multiplier = 2047,
- .max_divider = 128,
- .min_divider = 1,
- };
- static const char *dpll_iva_ck_parents[] = {
- "sys_clkin_ck", "iva_hsd_byp_clk_mux_ck"
- };
- static struct clk dpll_iva_ck;
- static const struct clk_ops dpll_ck_ops = {
- .enable = &omap3_noncore_dpll_enable,
- .disable = &omap3_noncore_dpll_disable,
- .recalc_rate = &omap3_dpll_recalc,
- .round_rate = &omap2_dpll_round_rate,
- .set_rate = &omap3_noncore_dpll_set_rate,
- .get_parent = &omap2_init_dpll_parent,
- };
- static struct clk_hw_omap dpll_iva_ck_hw = {
- .hw = {
- .clk = &dpll_iva_ck,
- },
- .dpll_data = &dpll_iva_dd,
- .ops = &clkhwops_omap3_dpll,
- };
- DEFINE_STRUCT_CLK(dpll_iva_ck, dpll_iva_ck_parents, dpll_ck_ops);
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