| /* | |
| * OMAP DPLL clock support | |
| * | |
| * Copyright (C) 2013 Texas Instruments, Inc. | |
| * | |
| * Tero Kristo <t-kristo@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. | |
| * | |
| * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
| * kind, whether express or implied; without even the implied warranty | |
| * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| * GNU General Public License for more details. | |
| */ | |
| #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, | |
| }; | |
| #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, | |
| }; | |
| 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, | |
| }; | |
| #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 | |
| * @hw: 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(struct clk_hw *hw, | |
| struct device_node *node) | |
| { | |
| struct clk_hw_omap *clk_hw = to_clk_hw_omap(hw); | |
| struct dpll_data *dd = clk_hw->dpll_data; | |
| struct clk *clk; | |
| clk = of_clk_get(node, 0); | |
| if (IS_ERR(clk)) { | |
| pr_debug("clk-ref missing for %s, retry later\n", | |
| node->name); | |
| 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 %s, retry later\n", | |
| node->name); | |
| if (!ti_clk_retry_init(node, hw, _register_dpll)) | |
| return; | |
| goto cleanup; | |
| } | |
| dd->clk_bypass = __clk_get_hw(clk); | |
| /* register the clock */ | |
| clk = ti_clk_register(NULL, &clk_hw->hw, node->name); | |
| if (!IS_ERR(clk)) { | |
| omap2_init_clk_hw_omap_clocks(&clk_hw->hw); | |
| of_clk_add_provider(node, of_clk_src_simple_get, clk); | |
| kfree(clk_hw->hw.init->parent_names); | |
| kfree(clk_hw->hw.init); | |
| return; | |
| } | |
| cleanup: | |
| kfree(clk_hw->dpll_data); | |
| kfree(clk_hw->hw.init->parent_names); | |
| kfree(clk_hw->hw.init); | |
| kfree(clk_hw); | |
| } | |
| #if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_ATAGS) | |
| void _get_reg(u8 module, u16 offset, struct clk_omap_reg *reg) | |
| { | |
| reg->index = module; | |
| reg->offset = offset; | |
| } | |
| struct clk *ti_clk_register_dpll(struct ti_clk *setup) | |
| { | |
| struct clk_hw_omap *clk_hw; | |
| struct clk_init_data init = { NULL }; | |
| struct dpll_data *dd; | |
| struct clk *clk; | |
| struct ti_clk_dpll *dpll; | |
| const struct clk_ops *ops = &omap3_dpll_ck_ops; | |
| struct clk *clk_ref; | |
| struct clk *clk_bypass; | |
| dpll = setup->data; | |
| if (dpll->num_parents < 2) | |
| return ERR_PTR(-EINVAL); | |
| clk_ref = clk_get_sys(NULL, dpll->parents[0]); | |
| clk_bypass = clk_get_sys(NULL, dpll->parents[1]); | |
| if (IS_ERR_OR_NULL(clk_ref) || IS_ERR_OR_NULL(clk_bypass)) | |
| return ERR_PTR(-EAGAIN); | |
| dd = kzalloc(sizeof(*dd), GFP_KERNEL); | |
| clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); | |
| if (!dd || !clk_hw) { | |
| clk = ERR_PTR(-ENOMEM); | |
| goto cleanup; | |
| } | |
| clk_hw->dpll_data = dd; | |
| clk_hw->ops = &clkhwops_omap3_dpll; | |
| clk_hw->hw.init = &init; | |
| init.name = setup->name; | |
| init.ops = ops; | |
| init.num_parents = dpll->num_parents; | |
| init.parent_names = dpll->parents; | |
| _get_reg(dpll->module, dpll->control_reg, &dd->control_reg); | |
| _get_reg(dpll->module, dpll->idlest_reg, &dd->idlest_reg); | |
| _get_reg(dpll->module, dpll->mult_div1_reg, &dd->mult_div1_reg); | |
| _get_reg(dpll->module, dpll->autoidle_reg, &dd->autoidle_reg); | |
| dd->modes = dpll->modes; | |
| dd->div1_mask = dpll->div1_mask; | |
| dd->idlest_mask = dpll->idlest_mask; | |
| dd->mult_mask = dpll->mult_mask; | |
| dd->autoidle_mask = dpll->autoidle_mask; | |
| dd->enable_mask = dpll->enable_mask; | |
| dd->sddiv_mask = dpll->sddiv_mask; | |
| dd->dco_mask = dpll->dco_mask; | |
| dd->max_divider = dpll->max_divider; | |
| dd->min_divider = dpll->min_divider; | |
| dd->max_multiplier = dpll->max_multiplier; | |
| dd->auto_recal_bit = dpll->auto_recal_bit; | |
| dd->recal_en_bit = dpll->recal_en_bit; | |
| dd->recal_st_bit = dpll->recal_st_bit; | |
| dd->clk_ref = __clk_get_hw(clk_ref); | |
| dd->clk_bypass = __clk_get_hw(clk_bypass); | |
| if (dpll->flags & CLKF_CORE) | |
| ops = &omap3_dpll_core_ck_ops; | |
| if (dpll->flags & CLKF_PER) | |
| ops = &omap3_dpll_per_ck_ops; | |
| if (dpll->flags & CLKF_J_TYPE) | |
| dd->flags |= DPLL_J_TYPE; | |
| clk = ti_clk_register(NULL, &clk_hw->hw, setup->name); | |
| if (!IS_ERR(clk)) | |
| return clk; | |
| cleanup: | |
| kfree(dd); | |
| kfree(clk_hw); | |
| return clk; | |
| } | |
| #endif | |
| #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 = node->name; | |
| const char *parent_name; | |
| parent_name = of_clk_get_parent_name(node, 0); | |
| if (!parent_name) { | |
| pr_err("%s must have parent\n", node->name); | |
| 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 = ti_clk_register(NULL, &clk_hw->hw, name); | |
| if (IS_ERR(clk)) { | |
| kfree(clk_hw); | |
| } else { | |
| omap2_init_clk_hw_omap_clocks(&clk_hw->hw); | |
| 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; | |
| u8 dpll_mode = 0; | |
| dd = kzalloc(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; | |
| memcpy(dd, ddt, sizeof(*dd)); | |
| clk_hw->dpll_data = dd; | |
| clk_hw->ops = &clkhwops_omap3_dpll; | |
| clk_hw->hw.init = init; | |
| init->name = node->name; | |
| init->ops = ops; | |
| init->num_parents = of_clk_get_parent_count(node); | |
| if (!init->num_parents) { | |
| pr_err("%s must have parent(s)\n", node->name); | |
| goto cleanup; | |
| } | |
| parent_names = kzalloc(sizeof(char *) * init->num_parents, 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; | |
| } | |
| 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 (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")) && | |
| !strcmp(node->name, "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, | |
| .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_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, | |
| .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_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); |