// SPDX-License-Identifier: GPL-2.0-only /* * OMAP DPLL clock support * * Copyright (C) 2013 Texas Instruments, Inc. * * Tero Kristo <t-kristo@ti.com> */ #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/slab.h> #include <linux/err.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/clk/ti.h> #include "clock.h" #undef pr_fmt #define pr_fmt(fmt) "%s: " fmt, __func__ #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ defined(CONFIG_SOC_DRA7XX) static const struct clk_ops dpll_m4xen_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, .set_parent = &omap3_noncore_dpll_set_parent, .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, .determine_rate = &omap4_dpll_regm4xen_determine_rate, .get_parent = &omap2_init_dpll_parent, .save_context = &omap3_core_dpll_save_context, .restore_context = &omap3_core_dpll_restore_context, }; #else static const struct clk_ops dpll_m4xen_ck_ops = {}; #endif #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) || \ defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX) || \ defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) static const struct clk_ops dpll_core_ck_ops = { .recalc_rate = &omap3_dpll_recalc, .get_parent = &omap2_init_dpll_parent, }; 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, .set_parent = &omap3_noncore_dpll_set_parent, .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, .determine_rate = &omap3_noncore_dpll_determine_rate, .get_parent = &omap2_init_dpll_parent, .save_context = &omap3_noncore_dpll_save_context, .restore_context = &omap3_noncore_dpll_restore_context, }; static const struct clk_ops dpll_no_gate_ck_ops = { .recalc_rate = &omap3_dpll_recalc, .get_parent = &omap2_init_dpll_parent, .round_rate = &omap2_dpll_round_rate, .set_rate = &omap3_noncore_dpll_set_rate, .set_parent = &omap3_noncore_dpll_set_parent, .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, .determine_rate = &omap3_noncore_dpll_determine_rate, .save_context = &omap3_noncore_dpll_save_context, .restore_context = &omap3_noncore_dpll_restore_context }; #else static const struct clk_ops dpll_core_ck_ops = {}; static const struct clk_ops dpll_ck_ops = {}; static const struct clk_ops dpll_no_gate_ck_ops = {}; const struct clk_hw_omap_ops clkhwops_omap3_dpll = {}; #endif #ifdef CONFIG_ARCH_OMAP2 static const struct clk_ops omap2_dpll_core_ck_ops = { .get_parent = &omap2_init_dpll_parent, .recalc_rate = &omap2_dpllcore_recalc, .round_rate = &omap2_dpll_round_rate, .set_rate = &omap2_reprogram_dpllcore, }; #else static const struct clk_ops omap2_dpll_core_ck_ops = {}; #endif #ifdef CONFIG_ARCH_OMAP3 static const struct clk_ops omap3_dpll_core_ck_ops = { .get_parent = &omap2_init_dpll_parent, .recalc_rate = &omap3_dpll_recalc, .round_rate = &omap2_dpll_round_rate, }; #else static const struct clk_ops omap3_dpll_core_ck_ops = {}; #endif #ifdef CONFIG_ARCH_OMAP3 static const struct clk_ops omap3_dpll_ck_ops = { .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, .set_parent = &omap3_noncore_dpll_set_parent, .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, .determine_rate = &omap3_noncore_dpll_determine_rate, .round_rate = &omap2_dpll_round_rate, }; static const struct clk_ops omap3_dpll5_ck_ops = { .enable = &omap3_noncore_dpll_enable, .disable = &omap3_noncore_dpll_disable, .get_parent = &omap2_init_dpll_parent, .recalc_rate = &omap3_dpll_recalc, .set_rate = &omap3_dpll5_set_rate, .set_parent = &omap3_noncore_dpll_set_parent, .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, .determine_rate = &omap3_noncore_dpll_determine_rate, .round_rate = &omap2_dpll_round_rate, }; static const struct clk_ops omap3_dpll_per_ck_ops = { .enable = &omap3_noncore_dpll_enable, .disable = &omap3_noncore_dpll_disable, .get_parent = &omap2_init_dpll_parent, .recalc_rate = &omap3_dpll_recalc, .set_rate = &omap3_dpll4_set_rate, .set_parent = &omap3_noncore_dpll_set_parent, .set_rate_and_parent = &omap3_dpll4_set_rate_and_parent, .determine_rate = &omap3_noncore_dpll_determine_rate, .round_rate = &omap2_dpll_round_rate, }; #endif static const struct clk_ops dpll_x2_ck_ops = { .recalc_rate = &omap3_clkoutx2_recalc, }; /** * _register_dpll - low level registration of a DPLL clock * @user: pointer to the hardware clock definition for the clock * @node: device node for the clock * * Finalizes DPLL registration process. In case a failure (clk-ref or * clk-bypass is missing), the clock is added to retry list and * the initialization is retried on later stage. */ static void __init _register_dpll(void *user, struct device_node *node) { struct clk_hw *hw = user; struct clk_hw_omap *clk_hw = to_clk_hw_omap(hw); struct dpll_data *dd = clk_hw->dpll_data; const char *name; struct clk *clk; const struct clk_init_data *init = hw->init; clk = of_clk_get(node, 0); if (IS_ERR(clk)) { pr_debug("clk-ref missing for %pOFn, retry later\n", node); if (!ti_clk_retry_init(node, hw, _register_dpll)) return; goto cleanup; } dd->clk_ref = __clk_get_hw(clk); clk = of_clk_get(node, 1); if (IS_ERR(clk)) { pr_debug("clk-bypass missing for %pOFn, retry later\n", node); if (!ti_clk_retry_init(node, hw, _register_dpll)) return; goto cleanup; } dd->clk_bypass = __clk_get_hw(clk); /* register the clock */ name = ti_dt_clk_name(node); clk = of_ti_clk_register_omap_hw(node, &clk_hw->hw, name); if (!IS_ERR(clk)) { of_clk_add_provider(node, of_clk_src_simple_get, clk); kfree(init->parent_names); kfree(init); return; } cleanup: kfree(clk_hw->dpll_data); kfree(init->parent_names); kfree(init); kfree(clk_hw); } #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX) || \ defined(CONFIG_SOC_AM43XX) /** * _register_dpll_x2 - Registers a DPLLx2 clock * @node: device node for this clock * @ops: clk_ops for this clock * @hw_ops: clk_hw_ops for this clock * * Initializes a DPLL x 2 clock from device tree data. */ static void _register_dpll_x2(struct device_node *node, const struct clk_ops *ops, const struct clk_hw_omap_ops *hw_ops) { struct clk *clk; struct clk_init_data init = { NULL }; struct clk_hw_omap *clk_hw; const char *name = ti_dt_clk_name(node); const char *parent_name; parent_name = of_clk_get_parent_name(node, 0); if (!parent_name) { pr_err("%pOFn must have parent\n", node); return; } clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); if (!clk_hw) return; clk_hw->ops = hw_ops; clk_hw->hw.init = &init; init.name = name; init.ops = ops; init.parent_names = &parent_name; init.num_parents = 1; #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ defined(CONFIG_SOC_DRA7XX) if (hw_ops == &clkhwops_omap4_dpllmx) { int ret; /* Check if register defined, if not, drop hw-ops */ ret = of_property_count_elems_of_size(node, "reg", 1); if (ret <= 0) { clk_hw->ops = NULL; } else if (ti_clk_get_reg_addr(node, 0, &clk_hw->clksel_reg)) { kfree(clk_hw); return; } } #endif /* register the clock */ clk = of_ti_clk_register_omap_hw(node, &clk_hw->hw, name); if (IS_ERR(clk)) kfree(clk_hw); else of_clk_add_provider(node, of_clk_src_simple_get, clk); } #endif /** * of_ti_dpll_setup - Setup function for OMAP DPLL clocks * @node: device node containing the DPLL info * @ops: ops for the DPLL * @ddt: DPLL data template to use * * Initializes a DPLL clock from device tree data. */ static void __init of_ti_dpll_setup(struct device_node *node, const struct clk_ops *ops, const struct dpll_data *ddt) { struct clk_hw_omap *clk_hw = NULL; struct clk_init_data *init = NULL; const char **parent_names = NULL; struct dpll_data *dd = NULL; int ssc_clk_index; u8 dpll_mode = 0; u32 min_div; dd = kmemdup(ddt, sizeof(*dd), GFP_KERNEL); clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); init = kzalloc(sizeof(*init), GFP_KERNEL); if (!dd || !clk_hw || !init) goto cleanup; clk_hw->dpll_data = dd; clk_hw->ops = &clkhwops_omap3_dpll; clk_hw->hw.init = init; init->name = ti_dt_clk_name(node); init->ops = ops; init->num_parents = of_clk_get_parent_count(node); if (!init->num_parents) { pr_err("%pOFn must have parent(s)\n", node); goto cleanup; } parent_names = kcalloc(init->num_parents, sizeof(char *), GFP_KERNEL); if (!parent_names) goto cleanup; of_clk_parent_fill(node, parent_names, init->num_parents); init->parent_names = parent_names; if (ti_clk_get_reg_addr(node, 0, &dd->control_reg)) goto cleanup; /* * Special case for OMAP2 DPLL, register order is different due to * missing idlest_reg, also clkhwops is different. Detected from * missing idlest_mask. */ if (!dd->idlest_mask) { if (ti_clk_get_reg_addr(node, 1, &dd->mult_div1_reg)) goto cleanup; #ifdef CONFIG_ARCH_OMAP2 clk_hw->ops = &clkhwops_omap2xxx_dpll; omap2xxx_clkt_dpllcore_init(&clk_hw->hw); #endif } else { if (ti_clk_get_reg_addr(node, 1, &dd->idlest_reg)) goto cleanup; if (ti_clk_get_reg_addr(node, 2, &dd->mult_div1_reg)) goto cleanup; } if (dd->autoidle_mask) { if (ti_clk_get_reg_addr(node, 3, &dd->autoidle_reg)) goto cleanup; ssc_clk_index = 4; } else { ssc_clk_index = 3; } if (dd->ssc_deltam_int_mask && dd->ssc_deltam_frac_mask && dd->ssc_modfreq_mant_mask && dd->ssc_modfreq_exp_mask) { if (ti_clk_get_reg_addr(node, ssc_clk_index++, &dd->ssc_deltam_reg)) goto cleanup; if (ti_clk_get_reg_addr(node, ssc_clk_index++, &dd->ssc_modfreq_reg)) goto cleanup; of_property_read_u32(node, "ti,ssc-modfreq-hz", &dd->ssc_modfreq); of_property_read_u32(node, "ti,ssc-deltam", &dd->ssc_deltam); dd->ssc_downspread = of_property_read_bool(node, "ti,ssc-downspread"); } if (of_property_read_bool(node, "ti,low-power-stop")) dpll_mode |= 1 << DPLL_LOW_POWER_STOP; if (of_property_read_bool(node, "ti,low-power-bypass")) dpll_mode |= 1 << DPLL_LOW_POWER_BYPASS; if (of_property_read_bool(node, "ti,lock")) dpll_mode |= 1 << DPLL_LOCKED; if (!of_property_read_u32(node, "ti,min-div", &min_div) && min_div > dd->min_divider) dd->min_divider = min_div; if (dpll_mode) dd->modes = dpll_mode; _register_dpll(&clk_hw->hw, node); return; cleanup: kfree(dd); kfree(parent_names); kfree(init); kfree(clk_hw); } #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ defined(CONFIG_SOC_DRA7XX) static void __init of_ti_omap4_dpll_x2_setup(struct device_node *node) { _register_dpll_x2(node, &dpll_x2_ck_ops, &clkhwops_omap4_dpllmx); } CLK_OF_DECLARE(ti_omap4_dpll_x2_clock, "ti,omap4-dpll-x2-clock", of_ti_omap4_dpll_x2_setup); #endif #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) static void __init of_ti_am3_dpll_x2_setup(struct device_node *node) { _register_dpll_x2(node, &dpll_x2_ck_ops, NULL); } CLK_OF_DECLARE(ti_am3_dpll_x2_clock, "ti,am3-dpll-x2-clock", of_ti_am3_dpll_x2_setup); #endif #ifdef CONFIG_ARCH_OMAP3 static void __init of_ti_omap3_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1, .enable_mask = 0x7, .autoidle_mask = 0x7, .mult_mask = 0x7ff << 8, .div1_mask = 0x7f, .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, .freqsel_mask = 0xf0, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; if ((of_machine_is_compatible("ti,omap3630") || of_machine_is_compatible("ti,omap36xx")) && of_node_name_eq(node, "dpll5_ck")) of_ti_dpll_setup(node, &omap3_dpll5_ck_ops, &dd); else of_ti_dpll_setup(node, &omap3_dpll_ck_ops, &dd); } CLK_OF_DECLARE(ti_omap3_dpll_clock, "ti,omap3-dpll-clock", of_ti_omap3_dpll_setup); static void __init of_ti_omap3_core_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1, .enable_mask = 0x7, .autoidle_mask = 0x7, .mult_mask = 0x7ff << 16, .div1_mask = 0x7f << 8, .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, .freqsel_mask = 0xf0, }; of_ti_dpll_setup(node, &omap3_dpll_core_ck_ops, &dd); } CLK_OF_DECLARE(ti_omap3_core_dpll_clock, "ti,omap3-dpll-core-clock", of_ti_omap3_core_dpll_setup); static void __init of_ti_omap3_per_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1 << 1, .enable_mask = 0x7 << 16, .autoidle_mask = 0x7 << 3, .mult_mask = 0x7ff << 8, .div1_mask = 0x7f, .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, .freqsel_mask = 0xf00000, .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED), }; of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd); } CLK_OF_DECLARE(ti_omap3_per_dpll_clock, "ti,omap3-dpll-per-clock", of_ti_omap3_per_dpll_setup); static void __init of_ti_omap3_per_jtype_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1 << 1, .enable_mask = 0x7 << 16, .autoidle_mask = 0x7 << 3, .mult_mask = 0xfff << 8, .div1_mask = 0x7f, .max_multiplier = 4095, .max_divider = 128, .min_divider = 1, .sddiv_mask = 0xff << 24, .dco_mask = 0xe << 20, .flags = DPLL_J_TYPE, .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED), }; of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd); } CLK_OF_DECLARE(ti_omap3_per_jtype_dpll_clock, "ti,omap3-dpll-per-j-type-clock", of_ti_omap3_per_jtype_dpll_setup); #endif static void __init of_ti_omap4_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1, .enable_mask = 0x7, .autoidle_mask = 0x7, .mult_mask = 0x7ff << 8, .div1_mask = 0x7f, .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; of_ti_dpll_setup(node, &dpll_ck_ops, &dd); } CLK_OF_DECLARE(ti_omap4_dpll_clock, "ti,omap4-dpll-clock", of_ti_omap4_dpll_setup); static void __init of_ti_omap5_mpu_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1, .enable_mask = 0x7, .autoidle_mask = 0x7, .mult_mask = 0x7ff << 8, .div1_mask = 0x7f, .max_multiplier = 2047, .max_divider = 128, .dcc_mask = BIT(22), .dcc_rate = 1400000000, /* DCC beyond 1.4GHz */ .min_divider = 1, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; of_ti_dpll_setup(node, &dpll_ck_ops, &dd); } CLK_OF_DECLARE(of_ti_omap5_mpu_dpll_clock, "ti,omap5-mpu-dpll-clock", of_ti_omap5_mpu_dpll_setup); static void __init of_ti_omap4_core_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1, .enable_mask = 0x7, .autoidle_mask = 0x7, .mult_mask = 0x7ff << 8, .div1_mask = 0x7f, .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd); } CLK_OF_DECLARE(ti_omap4_core_dpll_clock, "ti,omap4-dpll-core-clock", of_ti_omap4_core_dpll_setup); #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ defined(CONFIG_SOC_DRA7XX) static void __init of_ti_omap4_m4xen_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1, .enable_mask = 0x7, .autoidle_mask = 0x7, .mult_mask = 0x7ff << 8, .div1_mask = 0x7f, .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, .m4xen_mask = 0x800, .lpmode_mask = 1 << 10, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd); } CLK_OF_DECLARE(ti_omap4_m4xen_dpll_clock, "ti,omap4-dpll-m4xen-clock", of_ti_omap4_m4xen_dpll_setup); static void __init of_ti_omap4_jtype_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1, .enable_mask = 0x7, .autoidle_mask = 0x7, .mult_mask = 0xfff << 8, .div1_mask = 0xff, .max_multiplier = 4095, .max_divider = 256, .min_divider = 1, .sddiv_mask = 0xff << 24, .flags = DPLL_J_TYPE, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd); } CLK_OF_DECLARE(ti_omap4_jtype_dpll_clock, "ti,omap4-dpll-j-type-clock", of_ti_omap4_jtype_dpll_setup); #endif static void __init of_ti_am3_no_gate_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1, .enable_mask = 0x7, .ssc_enable_mask = 0x1 << 12, .ssc_downspread_mask = 0x1 << 14, .mult_mask = 0x7ff << 8, .div1_mask = 0x7f, .ssc_deltam_int_mask = 0x3 << 18, .ssc_deltam_frac_mask = 0x3ffff, .ssc_modfreq_mant_mask = 0x7f, .ssc_modfreq_exp_mask = 0x7 << 8, .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, .max_rate = 1000000000, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd); } CLK_OF_DECLARE(ti_am3_no_gate_dpll_clock, "ti,am3-dpll-no-gate-clock", of_ti_am3_no_gate_dpll_setup); static void __init of_ti_am3_jtype_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1, .enable_mask = 0x7, .mult_mask = 0x7ff << 8, .div1_mask = 0x7f, .max_multiplier = 4095, .max_divider = 256, .min_divider = 2, .flags = DPLL_J_TYPE, .max_rate = 2000000000, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; of_ti_dpll_setup(node, &dpll_ck_ops, &dd); } CLK_OF_DECLARE(ti_am3_jtype_dpll_clock, "ti,am3-dpll-j-type-clock", of_ti_am3_jtype_dpll_setup); static void __init of_ti_am3_no_gate_jtype_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1, .enable_mask = 0x7, .mult_mask = 0x7ff << 8, .div1_mask = 0x7f, .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, .max_rate = 2000000000, .flags = DPLL_J_TYPE, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd); } CLK_OF_DECLARE(ti_am3_no_gate_jtype_dpll_clock, "ti,am3-dpll-no-gate-j-type-clock", of_ti_am3_no_gate_jtype_dpll_setup); static void __init of_ti_am3_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1, .enable_mask = 0x7, .ssc_enable_mask = 0x1 << 12, .ssc_downspread_mask = 0x1 << 14, .mult_mask = 0x7ff << 8, .div1_mask = 0x7f, .ssc_deltam_int_mask = 0x3 << 18, .ssc_deltam_frac_mask = 0x3ffff, .ssc_modfreq_mant_mask = 0x7f, .ssc_modfreq_exp_mask = 0x7 << 8, .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, .max_rate = 1000000000, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; of_ti_dpll_setup(node, &dpll_ck_ops, &dd); } CLK_OF_DECLARE(ti_am3_dpll_clock, "ti,am3-dpll-clock", of_ti_am3_dpll_setup); static void __init of_ti_am3_core_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .idlest_mask = 0x1, .enable_mask = 0x7, .mult_mask = 0x7ff << 8, .div1_mask = 0x7f, .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, .max_rate = 1000000000, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd); } CLK_OF_DECLARE(ti_am3_core_dpll_clock, "ti,am3-dpll-core-clock", of_ti_am3_core_dpll_setup); static void __init of_ti_omap2_core_dpll_setup(struct device_node *node) { const struct dpll_data dd = { .enable_mask = 0x3, .mult_mask = 0x3ff << 12, .div1_mask = 0xf << 8, .max_divider = 16, .min_divider = 1, }; of_ti_dpll_setup(node, &omap2_dpll_core_ck_ops, &dd); } CLK_OF_DECLARE(ti_omap2_core_dpll_clock, "ti,omap2-dpll-core-clock", of_ti_omap2_core_dpll_setup);