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- /*
- * OMAP3 clock data
- *
- * Copyright (C) 2007-2012 Texas Instruments, Inc.
- * Copyright (C) 2007-2011 Nokia Corporation
- *
- * Written by Paul Walmsley
- * Updated to COMMON clk data format by Rajendra Nayak <rnayak@ti.com>
- * With many device clock fixes by Kevin Hilman and Jouni Högander
- * DPLL bypass clock support added by Roman Tereshonkov
- *
- */
- /*
- * Virtual clocks are introduced as convenient tools.
- * They are sources for other clocks and not supposed
- * to be requested from drivers directly.
- */
- #include <linux/kernel.h>
- #include <linux/clk.h>
- #include <linux/clk-private.h>
- #include <linux/list.h>
- #include <linux/io.h>
- #include "soc.h"
- #include "iomap.h"
- #include "clock.h"
- #include "clock3xxx.h"
- #include "clock34xx.h"
- #include "clock36xx.h"
- #include "clock3517.h"
- #include "cm3xxx.h"
- #include "cm-regbits-34xx.h"
- #include "prm3xxx.h"
- #include "prm-regbits-34xx.h"
- #include "control.h"
- /*
- * clocks
- */
- #define OMAP_CM_REGADDR OMAP34XX_CM_REGADDR
- /* Maximum DPLL multiplier, divider values for OMAP3 */
- #define OMAP3_MAX_DPLL_MULT 2047
- #define OMAP3630_MAX_JTYPE_DPLL_MULT 4095
- #define OMAP3_MAX_DPLL_DIV 128
- DEFINE_CLK_FIXED_RATE(dummy_apb_pclk, CLK_IS_ROOT, 0x0, 0x0);
- DEFINE_CLK_FIXED_RATE(mcbsp_clks, CLK_IS_ROOT, 0x0, 0x0);
- DEFINE_CLK_FIXED_RATE(omap_32k_fck, CLK_IS_ROOT, 32768, 0x0);
- DEFINE_CLK_FIXED_RATE(pclk_ck, CLK_IS_ROOT, 27000000, 0x0);
- DEFINE_CLK_FIXED_RATE(rmii_ck, CLK_IS_ROOT, 50000000, 0x0);
- DEFINE_CLK_FIXED_RATE(secure_32k_fck, CLK_IS_ROOT, 32768, 0x0);
- DEFINE_CLK_FIXED_RATE(sys_altclk, CLK_IS_ROOT, 0x0, 0x0);
- DEFINE_CLK_FIXED_RATE(virt_12m_ck, CLK_IS_ROOT, 12000000, 0x0);
- DEFINE_CLK_FIXED_RATE(virt_13m_ck, CLK_IS_ROOT, 13000000, 0x0);
- DEFINE_CLK_FIXED_RATE(virt_16_8m_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_38_4m_ck, CLK_IS_ROOT, 38400000, 0x0);
- static const char *osc_sys_ck_parent_names[] = {
- "virt_12m_ck", "virt_13m_ck", "virt_19200000_ck", "virt_26000000_ck",
- "virt_38_4m_ck", "virt_16_8m_ck",
- };
- DEFINE_CLK_MUX(osc_sys_ck, osc_sys_ck_parent_names, NULL, 0x0,
- OMAP3430_PRM_CLKSEL, OMAP3430_SYS_CLKIN_SEL_SHIFT,
- OMAP3430_SYS_CLKIN_SEL_WIDTH, 0x0, NULL);
- DEFINE_CLK_DIVIDER(sys_ck, "osc_sys_ck", &osc_sys_ck, 0x0,
- OMAP3430_PRM_CLKSRC_CTRL, OMAP_SYSCLKDIV_SHIFT,
- OMAP_SYSCLKDIV_WIDTH, CLK_DIVIDER_ONE_BASED, NULL);
- static 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,
- .clk_bypass = &sys_ck,
- .clk_ref = &sys_ck,
- .freqsel_mask = OMAP3430_CORE_DPLL_FREQSEL_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,
- .recal_en_bit = OMAP3430_CORE_DPLL_RECAL_EN_SHIFT,
- .recal_st_bit = OMAP3430_CORE_DPLL_ST_SHIFT,
- .autoidle_reg = OMAP_CM_REGADDR(PLL_MOD, CM_AUTOIDLE),
- .autoidle_mask = OMAP3430_AUTO_CORE_DPLL_MASK,
- .idlest_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST),
- .idlest_mask = OMAP3430_ST_CORE_CLK_MASK,
- .max_multiplier = OMAP3_MAX_DPLL_MULT,
- .min_divider = 1,
- .max_divider = OMAP3_MAX_DPLL_DIV,
- };
- static struct clk dpll3_ck;
- static const char *dpll3_ck_parent_names[] = {
- "sys_ck",
- };
- static const struct clk_ops dpll3_ck_ops = {
- .init = &omap2_init_clk_clkdm,
- .get_parent = &omap2_init_dpll_parent,
- .recalc_rate = &omap3_dpll_recalc,
- .round_rate = &omap2_dpll_round_rate,
- };
- static struct clk_hw_omap dpll3_ck_hw = {
- .hw = {
- .clk = &dpll3_ck,
- },
- .ops = &clkhwops_omap3_dpll,
- .dpll_data = &dpll3_dd,
- .clkdm_name = "dpll3_clkdm",
- };
- DEFINE_STRUCT_CLK(dpll3_ck, dpll3_ck_parent_names, dpll3_ck_ops);
- DEFINE_CLK_DIVIDER(dpll3_m2_ck, "dpll3_ck", &dpll3_ck, 0x0,
- OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1),
- OMAP3430_CORE_DPLL_CLKOUT_DIV_SHIFT,
- OMAP3430_CORE_DPLL_CLKOUT_DIV_WIDTH,
- CLK_DIVIDER_ONE_BASED, NULL);
- static struct clk core_ck;
- static const char *core_ck_parent_names[] = {
- "dpll3_m2_ck",
- };
- static const struct clk_ops core_ck_ops = {};
- DEFINE_STRUCT_CLK_HW_OMAP(core_ck, NULL);
- DEFINE_STRUCT_CLK(core_ck, core_ck_parent_names, core_ck_ops);
- DEFINE_CLK_DIVIDER(l3_ick, "core_ck", &core_ck, 0x0,
- OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL),
- OMAP3430_CLKSEL_L3_SHIFT, OMAP3430_CLKSEL_L3_WIDTH,
- CLK_DIVIDER_ONE_BASED, NULL);
- DEFINE_CLK_DIVIDER(l4_ick, "l3_ick", &l3_ick, 0x0,
- OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL),
- OMAP3430_CLKSEL_L4_SHIFT, OMAP3430_CLKSEL_L4_WIDTH,
- CLK_DIVIDER_ONE_BASED, NULL);
- static struct clk security_l4_ick2;
- static const char *security_l4_ick2_parent_names[] = {
- "l4_ick",
- };
- DEFINE_STRUCT_CLK_HW_OMAP(security_l4_ick2, NULL);
- DEFINE_STRUCT_CLK(security_l4_ick2, security_l4_ick2_parent_names, core_ck_ops);
- static struct clk aes1_ick;
- static const char *aes1_ick_parent_names[] = {
- "security_l4_ick2",
- };
- static const struct clk_ops aes1_ick_ops = {
- .enable = &omap2_dflt_clk_enable,
- .disable = &omap2_dflt_clk_disable,
- .is_enabled = &omap2_dflt_clk_is_enabled,
- };
- static struct clk_hw_omap aes1_ick_hw = {
- .hw = {
- .clk = &aes1_ick,
- },
- .ops = &clkhwops_iclk_wait,
- .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2),
- .enable_bit = OMAP3430_EN_AES1_SHIFT,
- };
- DEFINE_STRUCT_CLK(aes1_ick, aes1_ick_parent_names, aes1_ick_ops);
- static struct clk core_l4_ick;
- static const struct clk_ops core_l4_ick_ops = {
- .init = &omap2_init_clk_clkdm,
- };
- DEFINE_STRUCT_CLK_HW_OMAP(core_l4_ick, "core_l4_clkdm");
- DEFINE_STRUCT_CLK(core_l4_ick, security_l4_ick2_parent_names, core_l4_ick_ops);
- static struct clk aes2_ick;
- static const char *aes2_ick_parent_names[] = {
- "core_l4_ick",
- };
- static const struct clk_ops aes2_ick_ops = {
- .init = &omap2_init_clk_clkdm,
- .enable = &omap2_dflt_clk_enable,
- .disable = &omap2_dflt_clk_disable,
- .is_enabled = &omap2_dflt_clk_is_enabled,
- };
- static struct clk_hw_omap aes2_ick_hw = {
- .hw = {
- .clk = &aes2_ick,
- },
- .ops = &clkhwops_iclk_wait,
- .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
- .enable_bit = OMAP3430_EN_AES2_SHIFT,
- .clkdm_name = "core_l4_clkdm",
- };
- DEFINE_STRUCT_CLK(aes2_ick, aes2_ick_parent_names, aes2_ick_ops);
- static struct clk dpll1_fck;
- static 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,
- .clk_bypass = &dpll1_fck,
- .clk_ref = &sys_ck,
- .freqsel_mask = OMAP3430_MPU_DPLL_FREQSEL_MASK,
- .control_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKEN_PLL),
- .enable_mask = OMAP3430_EN_MPU_DPLL_MASK,
- .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
- .auto_recal_bit = OMAP3430_EN_MPU_DPLL_DRIFTGUARD_SHIFT,
- .recal_en_bit = OMAP3430_MPU_DPLL_RECAL_EN_SHIFT,
- .recal_st_bit = OMAP3430_MPU_DPLL_ST_SHIFT,
- .autoidle_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_AUTOIDLE_PLL),
- .autoidle_mask = OMAP3430_AUTO_MPU_DPLL_MASK,
- .idlest_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_IDLEST_PLL),
- .idlest_mask = OMAP3430_ST_MPU_CLK_MASK,
- .max_multiplier = OMAP3_MAX_DPLL_MULT,
- .min_divider = 1,
- .max_divider = OMAP3_MAX_DPLL_DIV,
- };
- static struct clk dpll1_ck;
- static const struct clk_ops dpll1_ck_ops = {
- .init = &omap2_init_clk_clkdm,
- .enable = &omap3_noncore_dpll_enable,
- .disable = &omap3_noncore_dpll_disable,
- .get_parent = &omap2_init_dpll_parent,
- .recalc_rate = &omap3_dpll_recalc,
- .set_rate = &omap3_noncore_dpll_set_rate,
- .round_rate = &omap2_dpll_round_rate,
- };
- static struct clk_hw_omap dpll1_ck_hw = {
- .hw = {
- .clk = &dpll1_ck,
- },
- .ops = &clkhwops_omap3_dpll,
- .dpll_data = &dpll1_dd,
- .clkdm_name = "dpll1_clkdm",
- };
- DEFINE_STRUCT_CLK(dpll1_ck, dpll3_ck_parent_names, dpll1_ck_ops);
- DEFINE_CLK_FIXED_FACTOR(dpll1_x2_ck, "dpll1_ck", &dpll1_ck, 0x0, 2, 1);
- DEFINE_CLK_DIVIDER(dpll1_x2m2_ck, "dpll1_x2_ck", &dpll1_x2_ck, 0x0,
- OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL2_PLL),
- OMAP3430_MPU_DPLL_CLKOUT_DIV_SHIFT,
- OMAP3430_MPU_DPLL_CLKOUT_DIV_WIDTH,
- CLK_DIVIDER_ONE_BASED, NULL);
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