1f38b0dd6STero Kristo /* 2f38b0dd6STero Kristo * OMAP DPLL clock support 3f38b0dd6STero Kristo * 4f38b0dd6STero Kristo * Copyright (C) 2013 Texas Instruments, Inc. 5f38b0dd6STero Kristo * 6f38b0dd6STero Kristo * Tero Kristo <t-kristo@ti.com> 7f38b0dd6STero Kristo * 8f38b0dd6STero Kristo * This program is free software; you can redistribute it and/or modify 9f38b0dd6STero Kristo * it under the terms of the GNU General Public License version 2 as 10f38b0dd6STero Kristo * published by the Free Software Foundation. 11f38b0dd6STero Kristo * 12f38b0dd6STero Kristo * This program is distributed "as is" WITHOUT ANY WARRANTY of any 13f38b0dd6STero Kristo * kind, whether express or implied; without even the implied warranty 14f38b0dd6STero Kristo * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15f38b0dd6STero Kristo * GNU General Public License for more details. 16f38b0dd6STero Kristo */ 17f38b0dd6STero Kristo 181b29e601SStephen Boyd #include <linux/clk.h> 19f38b0dd6STero Kristo #include <linux/clk-provider.h> 20f38b0dd6STero Kristo #include <linux/slab.h> 21f38b0dd6STero Kristo #include <linux/err.h> 22f38b0dd6STero Kristo #include <linux/of.h> 23f38b0dd6STero Kristo #include <linux/of_address.h> 24f38b0dd6STero Kristo #include <linux/clk/ti.h> 25ed405a23STero Kristo #include "clock.h" 26f38b0dd6STero Kristo 27f38b0dd6STero Kristo #undef pr_fmt 28f38b0dd6STero Kristo #define pr_fmt(fmt) "%s: " fmt, __func__ 29f38b0dd6STero Kristo 30f38b0dd6STero Kristo #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 31f38b0dd6STero Kristo defined(CONFIG_SOC_DRA7XX) 32f38b0dd6STero Kristo static const struct clk_ops dpll_m4xen_ck_ops = { 33f38b0dd6STero Kristo .enable = &omap3_noncore_dpll_enable, 34f38b0dd6STero Kristo .disable = &omap3_noncore_dpll_disable, 35f38b0dd6STero Kristo .recalc_rate = &omap4_dpll_regm4xen_recalc, 36f38b0dd6STero Kristo .round_rate = &omap4_dpll_regm4xen_round_rate, 37f38b0dd6STero Kristo .set_rate = &omap3_noncore_dpll_set_rate, 382e1a7b01STero Kristo .set_parent = &omap3_noncore_dpll_set_parent, 392e1a7b01STero Kristo .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 402e1a7b01STero Kristo .determine_rate = &omap4_dpll_regm4xen_determine_rate, 41f38b0dd6STero Kristo .get_parent = &omap2_init_dpll_parent, 42d6e7bbc1SRuss Dill .save_context = &omap3_core_dpll_save_context, 43d6e7bbc1SRuss Dill .restore_context = &omap3_core_dpll_restore_context, 44f38b0dd6STero Kristo }; 45aa76fcf4STero Kristo #else 46aa76fcf4STero Kristo static const struct clk_ops dpll_m4xen_ck_ops = {}; 47f38b0dd6STero Kristo #endif 48f38b0dd6STero Kristo 49aa76fcf4STero Kristo #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) || \ 50aa76fcf4STero Kristo defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX) || \ 51aa76fcf4STero Kristo defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) 52f38b0dd6STero Kristo static const struct clk_ops dpll_core_ck_ops = { 53f38b0dd6STero Kristo .recalc_rate = &omap3_dpll_recalc, 54f38b0dd6STero Kristo .get_parent = &omap2_init_dpll_parent, 55f38b0dd6STero Kristo }; 56f38b0dd6STero Kristo 57f38b0dd6STero Kristo static const struct clk_ops dpll_ck_ops = { 58f38b0dd6STero Kristo .enable = &omap3_noncore_dpll_enable, 59f38b0dd6STero Kristo .disable = &omap3_noncore_dpll_disable, 60f38b0dd6STero Kristo .recalc_rate = &omap3_dpll_recalc, 61f38b0dd6STero Kristo .round_rate = &omap2_dpll_round_rate, 62f38b0dd6STero Kristo .set_rate = &omap3_noncore_dpll_set_rate, 632e1a7b01STero Kristo .set_parent = &omap3_noncore_dpll_set_parent, 642e1a7b01STero Kristo .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 652e1a7b01STero Kristo .determine_rate = &omap3_noncore_dpll_determine_rate, 66f38b0dd6STero Kristo .get_parent = &omap2_init_dpll_parent, 67d6e7bbc1SRuss Dill .save_context = &omap3_noncore_dpll_save_context, 68d6e7bbc1SRuss Dill .restore_context = &omap3_noncore_dpll_restore_context, 69f38b0dd6STero Kristo }; 70f38b0dd6STero Kristo 71f38b0dd6STero Kristo static const struct clk_ops dpll_no_gate_ck_ops = { 72f38b0dd6STero Kristo .recalc_rate = &omap3_dpll_recalc, 73f38b0dd6STero Kristo .get_parent = &omap2_init_dpll_parent, 74f38b0dd6STero Kristo .round_rate = &omap2_dpll_round_rate, 75f38b0dd6STero Kristo .set_rate = &omap3_noncore_dpll_set_rate, 762e1a7b01STero Kristo .set_parent = &omap3_noncore_dpll_set_parent, 772e1a7b01STero Kristo .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 782e1a7b01STero Kristo .determine_rate = &omap3_noncore_dpll_determine_rate, 79d6e7bbc1SRuss Dill .save_context = &omap3_noncore_dpll_save_context, 80d6e7bbc1SRuss Dill .restore_context = &omap3_noncore_dpll_restore_context 81f38b0dd6STero Kristo }; 82aa76fcf4STero Kristo #else 83aa76fcf4STero Kristo static const struct clk_ops dpll_core_ck_ops = {}; 84aa76fcf4STero Kristo static const struct clk_ops dpll_ck_ops = {}; 85aa76fcf4STero Kristo static const struct clk_ops dpll_no_gate_ck_ops = {}; 86aa76fcf4STero Kristo const struct clk_hw_omap_ops clkhwops_omap3_dpll = {}; 87aa76fcf4STero Kristo #endif 88aa76fcf4STero Kristo 89aa76fcf4STero Kristo #ifdef CONFIG_ARCH_OMAP2 90aa76fcf4STero Kristo static const struct clk_ops omap2_dpll_core_ck_ops = { 91aa76fcf4STero Kristo .get_parent = &omap2_init_dpll_parent, 92aa76fcf4STero Kristo .recalc_rate = &omap2_dpllcore_recalc, 93aa76fcf4STero Kristo .round_rate = &omap2_dpll_round_rate, 94aa76fcf4STero Kristo .set_rate = &omap2_reprogram_dpllcore, 95aa76fcf4STero Kristo }; 96aa76fcf4STero Kristo #else 97aa76fcf4STero Kristo static const struct clk_ops omap2_dpll_core_ck_ops = {}; 98aa76fcf4STero Kristo #endif 99aa76fcf4STero Kristo 100aa76fcf4STero Kristo #ifdef CONFIG_ARCH_OMAP3 101aa76fcf4STero Kristo static const struct clk_ops omap3_dpll_core_ck_ops = { 102aa76fcf4STero Kristo .get_parent = &omap2_init_dpll_parent, 103aa76fcf4STero Kristo .recalc_rate = &omap3_dpll_recalc, 104aa76fcf4STero Kristo .round_rate = &omap2_dpll_round_rate, 105aa76fcf4STero Kristo }; 106aa76fcf4STero Kristo #else 107aa76fcf4STero Kristo static const struct clk_ops omap3_dpll_core_ck_ops = {}; 108aa76fcf4STero Kristo #endif 109f38b0dd6STero Kristo 110f38b0dd6STero Kristo #ifdef CONFIG_ARCH_OMAP3 111f38b0dd6STero Kristo static const struct clk_ops omap3_dpll_ck_ops = { 112f38b0dd6STero Kristo .enable = &omap3_noncore_dpll_enable, 113f38b0dd6STero Kristo .disable = &omap3_noncore_dpll_disable, 114f38b0dd6STero Kristo .get_parent = &omap2_init_dpll_parent, 115f38b0dd6STero Kristo .recalc_rate = &omap3_dpll_recalc, 116f38b0dd6STero Kristo .set_rate = &omap3_noncore_dpll_set_rate, 1172e1a7b01STero Kristo .set_parent = &omap3_noncore_dpll_set_parent, 1182e1a7b01STero Kristo .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 1192e1a7b01STero Kristo .determine_rate = &omap3_noncore_dpll_determine_rate, 120f38b0dd6STero Kristo .round_rate = &omap2_dpll_round_rate, 121f38b0dd6STero Kristo }; 122f38b0dd6STero Kristo 123035cd485SRichard Watts static const struct clk_ops omap3_dpll5_ck_ops = { 124035cd485SRichard Watts .enable = &omap3_noncore_dpll_enable, 125035cd485SRichard Watts .disable = &omap3_noncore_dpll_disable, 126035cd485SRichard Watts .get_parent = &omap2_init_dpll_parent, 127035cd485SRichard Watts .recalc_rate = &omap3_dpll_recalc, 128035cd485SRichard Watts .set_rate = &omap3_dpll5_set_rate, 129035cd485SRichard Watts .set_parent = &omap3_noncore_dpll_set_parent, 130035cd485SRichard Watts .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 131035cd485SRichard Watts .determine_rate = &omap3_noncore_dpll_determine_rate, 132035cd485SRichard Watts .round_rate = &omap2_dpll_round_rate, 133035cd485SRichard Watts }; 134035cd485SRichard Watts 135f38b0dd6STero Kristo static const struct clk_ops omap3_dpll_per_ck_ops = { 136f38b0dd6STero Kristo .enable = &omap3_noncore_dpll_enable, 137f38b0dd6STero Kristo .disable = &omap3_noncore_dpll_disable, 138f38b0dd6STero Kristo .get_parent = &omap2_init_dpll_parent, 139f38b0dd6STero Kristo .recalc_rate = &omap3_dpll_recalc, 140f38b0dd6STero Kristo .set_rate = &omap3_dpll4_set_rate, 1412e1a7b01STero Kristo .set_parent = &omap3_noncore_dpll_set_parent, 1422e1a7b01STero Kristo .set_rate_and_parent = &omap3_dpll4_set_rate_and_parent, 1432e1a7b01STero Kristo .determine_rate = &omap3_noncore_dpll_determine_rate, 144f38b0dd6STero Kristo .round_rate = &omap2_dpll_round_rate, 145f38b0dd6STero Kristo }; 146f38b0dd6STero Kristo #endif 147f38b0dd6STero Kristo 148f38b0dd6STero Kristo static const struct clk_ops dpll_x2_ck_ops = { 149f38b0dd6STero Kristo .recalc_rate = &omap3_clkoutx2_recalc, 150f38b0dd6STero Kristo }; 151f38b0dd6STero Kristo 152f38b0dd6STero Kristo /** 153ed405a23STero Kristo * _register_dpll - low level registration of a DPLL clock 154f38b0dd6STero Kristo * @hw: hardware clock definition for the clock 155f38b0dd6STero Kristo * @node: device node for the clock 156f38b0dd6STero Kristo * 157f38b0dd6STero Kristo * Finalizes DPLL registration process. In case a failure (clk-ref or 158f38b0dd6STero Kristo * clk-bypass is missing), the clock is added to retry list and 159f38b0dd6STero Kristo * the initialization is retried on later stage. 160f38b0dd6STero Kristo */ 161ffb009b2STero Kristo static void __init _register_dpll(void *user, 162f38b0dd6STero Kristo struct device_node *node) 163f38b0dd6STero Kristo { 164ffb009b2STero Kristo struct clk_hw *hw = user; 165f38b0dd6STero Kristo struct clk_hw_omap *clk_hw = to_clk_hw_omap(hw); 166f38b0dd6STero Kristo struct dpll_data *dd = clk_hw->dpll_data; 167f38b0dd6STero Kristo struct clk *clk; 168f38b0dd6STero Kristo 169b6f51284STero Kristo clk = of_clk_get(node, 0); 170b6f51284STero Kristo if (IS_ERR(clk)) { 171e665f029SRob Herring pr_debug("clk-ref missing for %pOFn, retry later\n", 172e665f029SRob Herring node); 173ed405a23STero Kristo if (!ti_clk_retry_init(node, hw, _register_dpll)) 174f38b0dd6STero Kristo return; 175f38b0dd6STero Kristo 176f38b0dd6STero Kristo goto cleanup; 177f38b0dd6STero Kristo } 178f38b0dd6STero Kristo 179b6f51284STero Kristo dd->clk_ref = __clk_get_hw(clk); 180b6f51284STero Kristo 181b6f51284STero Kristo clk = of_clk_get(node, 1); 182b6f51284STero Kristo 183b6f51284STero Kristo if (IS_ERR(clk)) { 184e665f029SRob Herring pr_debug("clk-bypass missing for %pOFn, retry later\n", 185e665f029SRob Herring node); 186b6f51284STero Kristo if (!ti_clk_retry_init(node, hw, _register_dpll)) 187b6f51284STero Kristo return; 188b6f51284STero Kristo 189b6f51284STero Kristo goto cleanup; 190b6f51284STero Kristo } 191b6f51284STero Kristo 192b6f51284STero Kristo dd->clk_bypass = __clk_get_hw(clk); 193b6f51284STero Kristo 194f38b0dd6STero Kristo /* register the clock */ 195ead47825STero Kristo clk = ti_clk_register_omap_hw(NULL, &clk_hw->hw, node->name); 196f38b0dd6STero Kristo 197f38b0dd6STero Kristo if (!IS_ERR(clk)) { 198f38b0dd6STero Kristo of_clk_add_provider(node, of_clk_src_simple_get, clk); 199f38b0dd6STero Kristo kfree(clk_hw->hw.init->parent_names); 200f38b0dd6STero Kristo kfree(clk_hw->hw.init); 201f38b0dd6STero Kristo return; 202f38b0dd6STero Kristo } 203f38b0dd6STero Kristo 204f38b0dd6STero Kristo cleanup: 205f38b0dd6STero Kristo kfree(clk_hw->dpll_data); 206f38b0dd6STero Kristo kfree(clk_hw->hw.init->parent_names); 207f38b0dd6STero Kristo kfree(clk_hw->hw.init); 208f38b0dd6STero Kristo kfree(clk_hw); 209f38b0dd6STero Kristo } 210f38b0dd6STero Kristo 211f38b0dd6STero Kristo #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 2124332ec1aSRoger Quadros defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX) || \ 2134332ec1aSRoger Quadros defined(CONFIG_SOC_AM43XX) 214f38b0dd6STero Kristo /** 215ed405a23STero Kristo * _register_dpll_x2 - Registers a DPLLx2 clock 216f38b0dd6STero Kristo * @node: device node for this clock 217f38b0dd6STero Kristo * @ops: clk_ops for this clock 218f38b0dd6STero Kristo * @hw_ops: clk_hw_ops for this clock 219f38b0dd6STero Kristo * 220f38b0dd6STero Kristo * Initializes a DPLL x 2 clock from device tree data. 221f38b0dd6STero Kristo */ 222ed405a23STero Kristo static void _register_dpll_x2(struct device_node *node, 223f38b0dd6STero Kristo const struct clk_ops *ops, 224f38b0dd6STero Kristo const struct clk_hw_omap_ops *hw_ops) 225f38b0dd6STero Kristo { 226f38b0dd6STero Kristo struct clk *clk; 227f38b0dd6STero Kristo struct clk_init_data init = { NULL }; 228f38b0dd6STero Kristo struct clk_hw_omap *clk_hw; 229f38b0dd6STero Kristo const char *name = node->name; 230f38b0dd6STero Kristo const char *parent_name; 231f38b0dd6STero Kristo 232f38b0dd6STero Kristo parent_name = of_clk_get_parent_name(node, 0); 233f38b0dd6STero Kristo if (!parent_name) { 234e665f029SRob Herring pr_err("%pOFn must have parent\n", node); 235f38b0dd6STero Kristo return; 236f38b0dd6STero Kristo } 237f38b0dd6STero Kristo 238f38b0dd6STero Kristo clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); 239f38b0dd6STero Kristo if (!clk_hw) 240f38b0dd6STero Kristo return; 241f38b0dd6STero Kristo 242f38b0dd6STero Kristo clk_hw->ops = hw_ops; 243f38b0dd6STero Kristo clk_hw->hw.init = &init; 244f38b0dd6STero Kristo 245f38b0dd6STero Kristo init.name = name; 246f38b0dd6STero Kristo init.ops = ops; 247f38b0dd6STero Kristo init.parent_names = &parent_name; 248f38b0dd6STero Kristo init.num_parents = 1; 249f38b0dd6STero Kristo 2502158a093SArnd Bergmann #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 2512158a093SArnd Bergmann defined(CONFIG_SOC_DRA7XX) 252473adbf4STero Kristo if (hw_ops == &clkhwops_omap4_dpllmx) { 2532158a093SArnd Bergmann int ret; 2542158a093SArnd Bergmann 255473adbf4STero Kristo /* Check if register defined, if not, drop hw-ops */ 256473adbf4STero Kristo ret = of_property_count_elems_of_size(node, "reg", 1); 257473adbf4STero Kristo if (ret <= 0) { 2582158a093SArnd Bergmann clk_hw->ops = NULL; 2596c0afb50STero Kristo } else if (ti_clk_get_reg_addr(node, 0, &clk_hw->clksel_reg)) { 260473adbf4STero Kristo kfree(clk_hw); 261473adbf4STero Kristo return; 262473adbf4STero Kristo } 263473adbf4STero Kristo } 2642158a093SArnd Bergmann #endif 265473adbf4STero Kristo 266f38b0dd6STero Kristo /* register the clock */ 267ead47825STero Kristo clk = ti_clk_register_omap_hw(NULL, &clk_hw->hw, name); 268f38b0dd6STero Kristo 269ead47825STero Kristo if (IS_ERR(clk)) 270f38b0dd6STero Kristo kfree(clk_hw); 271ead47825STero Kristo else 272f38b0dd6STero Kristo of_clk_add_provider(node, of_clk_src_simple_get, clk); 273f38b0dd6STero Kristo } 274f38b0dd6STero Kristo #endif 275f38b0dd6STero Kristo 276f38b0dd6STero Kristo /** 277f38b0dd6STero Kristo * of_ti_dpll_setup - Setup function for OMAP DPLL clocks 278f38b0dd6STero Kristo * @node: device node containing the DPLL info 279f38b0dd6STero Kristo * @ops: ops for the DPLL 280f38b0dd6STero Kristo * @ddt: DPLL data template to use 281f38b0dd6STero Kristo * 282f38b0dd6STero Kristo * Initializes a DPLL clock from device tree data. 283f38b0dd6STero Kristo */ 284f38b0dd6STero Kristo static void __init of_ti_dpll_setup(struct device_node *node, 285f38b0dd6STero Kristo const struct clk_ops *ops, 286a6fe3771STero Kristo const struct dpll_data *ddt) 287f38b0dd6STero Kristo { 288f38b0dd6STero Kristo struct clk_hw_omap *clk_hw = NULL; 289f38b0dd6STero Kristo struct clk_init_data *init = NULL; 290f38b0dd6STero Kristo const char **parent_names = NULL; 291f38b0dd6STero Kristo struct dpll_data *dd = NULL; 292f38b0dd6STero Kristo u8 dpll_mode = 0; 293f38b0dd6STero Kristo 294*81b94f14SFuqian Huang dd = kmemdup(ddt, sizeof(*dd), GFP_KERNEL); 295f38b0dd6STero Kristo clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); 296f38b0dd6STero Kristo init = kzalloc(sizeof(*init), GFP_KERNEL); 297f38b0dd6STero Kristo if (!dd || !clk_hw || !init) 298f38b0dd6STero Kristo goto cleanup; 299f38b0dd6STero Kristo 300f38b0dd6STero Kristo clk_hw->dpll_data = dd; 301f38b0dd6STero Kristo clk_hw->ops = &clkhwops_omap3_dpll; 302f38b0dd6STero Kristo clk_hw->hw.init = init; 303f38b0dd6STero Kristo 304f38b0dd6STero Kristo init->name = node->name; 305f38b0dd6STero Kristo init->ops = ops; 306f38b0dd6STero Kristo 307f38b0dd6STero Kristo init->num_parents = of_clk_get_parent_count(node); 308921bacfaSStephen Boyd if (!init->num_parents) { 309e665f029SRob Herring pr_err("%pOFn must have parent(s)\n", node); 310f38b0dd6STero Kristo goto cleanup; 311f38b0dd6STero Kristo } 312f38b0dd6STero Kristo 3136396bb22SKees Cook parent_names = kcalloc(init->num_parents, sizeof(char *), GFP_KERNEL); 314f38b0dd6STero Kristo if (!parent_names) 315f38b0dd6STero Kristo goto cleanup; 316f38b0dd6STero Kristo 3179da9e761SDinh Nguyen of_clk_parent_fill(node, parent_names, init->num_parents); 318f38b0dd6STero Kristo 319f38b0dd6STero Kristo init->parent_names = parent_names; 320f38b0dd6STero Kristo 3216c0afb50STero Kristo if (ti_clk_get_reg_addr(node, 0, &dd->control_reg)) 3226c0afb50STero Kristo goto cleanup; 323f38b0dd6STero Kristo 324aa76fcf4STero Kristo /* 325aa76fcf4STero Kristo * Special case for OMAP2 DPLL, register order is different due to 326aa76fcf4STero Kristo * missing idlest_reg, also clkhwops is different. Detected from 327aa76fcf4STero Kristo * missing idlest_mask. 328aa76fcf4STero Kristo */ 329aa76fcf4STero Kristo if (!dd->idlest_mask) { 3306c0afb50STero Kristo if (ti_clk_get_reg_addr(node, 1, &dd->mult_div1_reg)) 3316c0afb50STero Kristo goto cleanup; 332aa76fcf4STero Kristo #ifdef CONFIG_ARCH_OMAP2 333aa76fcf4STero Kristo clk_hw->ops = &clkhwops_omap2xxx_dpll; 334aa76fcf4STero Kristo omap2xxx_clkt_dpllcore_init(&clk_hw->hw); 335aa76fcf4STero Kristo #endif 336aa76fcf4STero Kristo } else { 3376c0afb50STero Kristo if (ti_clk_get_reg_addr(node, 1, &dd->idlest_reg)) 338aa76fcf4STero Kristo goto cleanup; 339aa76fcf4STero Kristo 3406c0afb50STero Kristo if (ti_clk_get_reg_addr(node, 2, &dd->mult_div1_reg)) 3416c0afb50STero Kristo goto cleanup; 342aa76fcf4STero Kristo } 343aa76fcf4STero Kristo 344a6fe3771STero Kristo if (dd->autoidle_mask) { 3456c0afb50STero Kristo if (ti_clk_get_reg_addr(node, 3, &dd->autoidle_reg)) 346f38b0dd6STero Kristo goto cleanup; 347f38b0dd6STero Kristo } 348f38b0dd6STero Kristo 349f38b0dd6STero Kristo if (of_property_read_bool(node, "ti,low-power-stop")) 350f38b0dd6STero Kristo dpll_mode |= 1 << DPLL_LOW_POWER_STOP; 351f38b0dd6STero Kristo 352f38b0dd6STero Kristo if (of_property_read_bool(node, "ti,low-power-bypass")) 353f38b0dd6STero Kristo dpll_mode |= 1 << DPLL_LOW_POWER_BYPASS; 354f38b0dd6STero Kristo 355f38b0dd6STero Kristo if (of_property_read_bool(node, "ti,lock")) 356f38b0dd6STero Kristo dpll_mode |= 1 << DPLL_LOCKED; 357f38b0dd6STero Kristo 358f38b0dd6STero Kristo if (dpll_mode) 359f38b0dd6STero Kristo dd->modes = dpll_mode; 360f38b0dd6STero Kristo 361ed405a23STero Kristo _register_dpll(&clk_hw->hw, node); 362f38b0dd6STero Kristo return; 363f38b0dd6STero Kristo 364f38b0dd6STero Kristo cleanup: 365f38b0dd6STero Kristo kfree(dd); 366f38b0dd6STero Kristo kfree(parent_names); 367f38b0dd6STero Kristo kfree(init); 368f38b0dd6STero Kristo kfree(clk_hw); 369f38b0dd6STero Kristo } 370f38b0dd6STero Kristo 371f38b0dd6STero Kristo #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 372f38b0dd6STero Kristo defined(CONFIG_SOC_DRA7XX) 373f38b0dd6STero Kristo static void __init of_ti_omap4_dpll_x2_setup(struct device_node *node) 374f38b0dd6STero Kristo { 375ed405a23STero Kristo _register_dpll_x2(node, &dpll_x2_ck_ops, &clkhwops_omap4_dpllmx); 376f38b0dd6STero Kristo } 377f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap4_dpll_x2_clock, "ti,omap4-dpll-x2-clock", 378f38b0dd6STero Kristo of_ti_omap4_dpll_x2_setup); 379f38b0dd6STero Kristo #endif 380f38b0dd6STero Kristo 3814332ec1aSRoger Quadros #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) 382f38b0dd6STero Kristo static void __init of_ti_am3_dpll_x2_setup(struct device_node *node) 383f38b0dd6STero Kristo { 384ed405a23STero Kristo _register_dpll_x2(node, &dpll_x2_ck_ops, NULL); 385f38b0dd6STero Kristo } 386f38b0dd6STero Kristo CLK_OF_DECLARE(ti_am3_dpll_x2_clock, "ti,am3-dpll-x2-clock", 387f38b0dd6STero Kristo of_ti_am3_dpll_x2_setup); 388f38b0dd6STero Kristo #endif 389f38b0dd6STero Kristo 390f38b0dd6STero Kristo #ifdef CONFIG_ARCH_OMAP3 391f38b0dd6STero Kristo static void __init of_ti_omap3_dpll_setup(struct device_node *node) 392f38b0dd6STero Kristo { 393f38b0dd6STero Kristo const struct dpll_data dd = { 394f38b0dd6STero Kristo .idlest_mask = 0x1, 395f38b0dd6STero Kristo .enable_mask = 0x7, 396f38b0dd6STero Kristo .autoidle_mask = 0x7, 397f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 398f38b0dd6STero Kristo .div1_mask = 0x7f, 399f38b0dd6STero Kristo .max_multiplier = 2047, 400f38b0dd6STero Kristo .max_divider = 128, 401f38b0dd6STero Kristo .min_divider = 1, 402f38b0dd6STero Kristo .freqsel_mask = 0xf0, 403f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 404f38b0dd6STero Kristo }; 405f38b0dd6STero Kristo 406035cd485SRichard Watts if ((of_machine_is_compatible("ti,omap3630") || 407035cd485SRichard Watts of_machine_is_compatible("ti,omap36xx")) && 40887ab1151SRob Herring of_node_name_eq(node, "dpll5_ck")) 409035cd485SRichard Watts of_ti_dpll_setup(node, &omap3_dpll5_ck_ops, &dd); 410035cd485SRichard Watts else 411a6fe3771STero Kristo of_ti_dpll_setup(node, &omap3_dpll_ck_ops, &dd); 412f38b0dd6STero Kristo } 413f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap3_dpll_clock, "ti,omap3-dpll-clock", 414f38b0dd6STero Kristo of_ti_omap3_dpll_setup); 415f38b0dd6STero Kristo 416f38b0dd6STero Kristo static void __init of_ti_omap3_core_dpll_setup(struct device_node *node) 417f38b0dd6STero Kristo { 418f38b0dd6STero Kristo const struct dpll_data dd = { 419f38b0dd6STero Kristo .idlest_mask = 0x1, 420f38b0dd6STero Kristo .enable_mask = 0x7, 421f38b0dd6STero Kristo .autoidle_mask = 0x7, 422f38b0dd6STero Kristo .mult_mask = 0x7ff << 16, 423f38b0dd6STero Kristo .div1_mask = 0x7f << 8, 424f38b0dd6STero Kristo .max_multiplier = 2047, 425f38b0dd6STero Kristo .max_divider = 128, 426f38b0dd6STero Kristo .min_divider = 1, 427f38b0dd6STero Kristo .freqsel_mask = 0xf0, 428f38b0dd6STero Kristo }; 429f38b0dd6STero Kristo 430a6fe3771STero Kristo of_ti_dpll_setup(node, &omap3_dpll_core_ck_ops, &dd); 431f38b0dd6STero Kristo } 432f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap3_core_dpll_clock, "ti,omap3-dpll-core-clock", 433f38b0dd6STero Kristo of_ti_omap3_core_dpll_setup); 434f38b0dd6STero Kristo 435f38b0dd6STero Kristo static void __init of_ti_omap3_per_dpll_setup(struct device_node *node) 436f38b0dd6STero Kristo { 437f38b0dd6STero Kristo const struct dpll_data dd = { 438f38b0dd6STero Kristo .idlest_mask = 0x1 << 1, 439f38b0dd6STero Kristo .enable_mask = 0x7 << 16, 440f38b0dd6STero Kristo .autoidle_mask = 0x7 << 3, 441f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 442f38b0dd6STero Kristo .div1_mask = 0x7f, 443f38b0dd6STero Kristo .max_multiplier = 2047, 444f38b0dd6STero Kristo .max_divider = 128, 445f38b0dd6STero Kristo .min_divider = 1, 446f38b0dd6STero Kristo .freqsel_mask = 0xf00000, 447f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED), 448f38b0dd6STero Kristo }; 449f38b0dd6STero Kristo 450a6fe3771STero Kristo of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd); 451f38b0dd6STero Kristo } 452f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap3_per_dpll_clock, "ti,omap3-dpll-per-clock", 453f38b0dd6STero Kristo of_ti_omap3_per_dpll_setup); 454f38b0dd6STero Kristo 455f38b0dd6STero Kristo static void __init of_ti_omap3_per_jtype_dpll_setup(struct device_node *node) 456f38b0dd6STero Kristo { 457f38b0dd6STero Kristo const struct dpll_data dd = { 458f38b0dd6STero Kristo .idlest_mask = 0x1 << 1, 459f38b0dd6STero Kristo .enable_mask = 0x7 << 16, 460f38b0dd6STero Kristo .autoidle_mask = 0x7 << 3, 461f38b0dd6STero Kristo .mult_mask = 0xfff << 8, 462f38b0dd6STero Kristo .div1_mask = 0x7f, 463f38b0dd6STero Kristo .max_multiplier = 4095, 464f38b0dd6STero Kristo .max_divider = 128, 465f38b0dd6STero Kristo .min_divider = 1, 466f38b0dd6STero Kristo .sddiv_mask = 0xff << 24, 467f38b0dd6STero Kristo .dco_mask = 0xe << 20, 468f38b0dd6STero Kristo .flags = DPLL_J_TYPE, 469f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED), 470f38b0dd6STero Kristo }; 471f38b0dd6STero Kristo 472a6fe3771STero Kristo of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd); 473f38b0dd6STero Kristo } 474f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap3_per_jtype_dpll_clock, "ti,omap3-dpll-per-j-type-clock", 475f38b0dd6STero Kristo of_ti_omap3_per_jtype_dpll_setup); 476f38b0dd6STero Kristo #endif 477f38b0dd6STero Kristo 478f38b0dd6STero Kristo static void __init of_ti_omap4_dpll_setup(struct device_node *node) 479f38b0dd6STero Kristo { 480f38b0dd6STero Kristo const struct dpll_data dd = { 481f38b0dd6STero Kristo .idlest_mask = 0x1, 482f38b0dd6STero Kristo .enable_mask = 0x7, 483f38b0dd6STero Kristo .autoidle_mask = 0x7, 484f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 485f38b0dd6STero Kristo .div1_mask = 0x7f, 486f38b0dd6STero Kristo .max_multiplier = 2047, 487f38b0dd6STero Kristo .max_divider = 128, 488f38b0dd6STero Kristo .min_divider = 1, 489f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 490f38b0dd6STero Kristo }; 491f38b0dd6STero Kristo 492a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_ck_ops, &dd); 493f38b0dd6STero Kristo } 494f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap4_dpll_clock, "ti,omap4-dpll-clock", 495f38b0dd6STero Kristo of_ti_omap4_dpll_setup); 496f38b0dd6STero Kristo 497b4be0189SNishanth Menon static void __init of_ti_omap5_mpu_dpll_setup(struct device_node *node) 498b4be0189SNishanth Menon { 499b4be0189SNishanth Menon const struct dpll_data dd = { 500b4be0189SNishanth Menon .idlest_mask = 0x1, 501b4be0189SNishanth Menon .enable_mask = 0x7, 502b4be0189SNishanth Menon .autoidle_mask = 0x7, 503b4be0189SNishanth Menon .mult_mask = 0x7ff << 8, 504b4be0189SNishanth Menon .div1_mask = 0x7f, 505b4be0189SNishanth Menon .max_multiplier = 2047, 506b4be0189SNishanth Menon .max_divider = 128, 507b4be0189SNishanth Menon .dcc_mask = BIT(22), 508b4be0189SNishanth Menon .dcc_rate = 1400000000, /* DCC beyond 1.4GHz */ 509b4be0189SNishanth Menon .min_divider = 1, 510b4be0189SNishanth Menon .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 511b4be0189SNishanth Menon }; 512b4be0189SNishanth Menon 513b4be0189SNishanth Menon of_ti_dpll_setup(node, &dpll_ck_ops, &dd); 514b4be0189SNishanth Menon } 515b4be0189SNishanth Menon CLK_OF_DECLARE(of_ti_omap5_mpu_dpll_clock, "ti,omap5-mpu-dpll-clock", 516b4be0189SNishanth Menon of_ti_omap5_mpu_dpll_setup); 517b4be0189SNishanth Menon 518f38b0dd6STero Kristo static void __init of_ti_omap4_core_dpll_setup(struct device_node *node) 519f38b0dd6STero Kristo { 520f38b0dd6STero Kristo const struct dpll_data dd = { 521f38b0dd6STero Kristo .idlest_mask = 0x1, 522f38b0dd6STero Kristo .enable_mask = 0x7, 523f38b0dd6STero Kristo .autoidle_mask = 0x7, 524f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 525f38b0dd6STero Kristo .div1_mask = 0x7f, 526f38b0dd6STero Kristo .max_multiplier = 2047, 527f38b0dd6STero Kristo .max_divider = 128, 528f38b0dd6STero Kristo .min_divider = 1, 529f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 530f38b0dd6STero Kristo }; 531f38b0dd6STero Kristo 532a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd); 533f38b0dd6STero Kristo } 534f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap4_core_dpll_clock, "ti,omap4-dpll-core-clock", 535f38b0dd6STero Kristo of_ti_omap4_core_dpll_setup); 536f38b0dd6STero Kristo 537f38b0dd6STero Kristo #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 538f38b0dd6STero Kristo defined(CONFIG_SOC_DRA7XX) 539f38b0dd6STero Kristo static void __init of_ti_omap4_m4xen_dpll_setup(struct device_node *node) 540f38b0dd6STero Kristo { 541f38b0dd6STero Kristo const struct dpll_data dd = { 542f38b0dd6STero Kristo .idlest_mask = 0x1, 543f38b0dd6STero Kristo .enable_mask = 0x7, 544f38b0dd6STero Kristo .autoidle_mask = 0x7, 545f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 546f38b0dd6STero Kristo .div1_mask = 0x7f, 547f38b0dd6STero Kristo .max_multiplier = 2047, 548f38b0dd6STero Kristo .max_divider = 128, 549f38b0dd6STero Kristo .min_divider = 1, 550f38b0dd6STero Kristo .m4xen_mask = 0x800, 551f38b0dd6STero Kristo .lpmode_mask = 1 << 10, 552f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 553f38b0dd6STero Kristo }; 554f38b0dd6STero Kristo 555a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd); 556f38b0dd6STero Kristo } 557f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap4_m4xen_dpll_clock, "ti,omap4-dpll-m4xen-clock", 558f38b0dd6STero Kristo of_ti_omap4_m4xen_dpll_setup); 559f38b0dd6STero Kristo 560f38b0dd6STero Kristo static void __init of_ti_omap4_jtype_dpll_setup(struct device_node *node) 561f38b0dd6STero Kristo { 562f38b0dd6STero Kristo const struct dpll_data dd = { 563f38b0dd6STero Kristo .idlest_mask = 0x1, 564f38b0dd6STero Kristo .enable_mask = 0x7, 565f38b0dd6STero Kristo .autoidle_mask = 0x7, 566f38b0dd6STero Kristo .mult_mask = 0xfff << 8, 567f38b0dd6STero Kristo .div1_mask = 0xff, 568f38b0dd6STero Kristo .max_multiplier = 4095, 569f38b0dd6STero Kristo .max_divider = 256, 570f38b0dd6STero Kristo .min_divider = 1, 571f38b0dd6STero Kristo .sddiv_mask = 0xff << 24, 572f38b0dd6STero Kristo .flags = DPLL_J_TYPE, 573f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 574f38b0dd6STero Kristo }; 575f38b0dd6STero Kristo 576a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd); 577f38b0dd6STero Kristo } 578f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap4_jtype_dpll_clock, "ti,omap4-dpll-j-type-clock", 579f38b0dd6STero Kristo of_ti_omap4_jtype_dpll_setup); 580f38b0dd6STero Kristo #endif 581f38b0dd6STero Kristo 582f38b0dd6STero Kristo static void __init of_ti_am3_no_gate_dpll_setup(struct device_node *node) 583f38b0dd6STero Kristo { 584f38b0dd6STero Kristo const struct dpll_data dd = { 585f38b0dd6STero Kristo .idlest_mask = 0x1, 586f38b0dd6STero Kristo .enable_mask = 0x7, 587f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 588f38b0dd6STero Kristo .div1_mask = 0x7f, 589f38b0dd6STero Kristo .max_multiplier = 2047, 590f38b0dd6STero Kristo .max_divider = 128, 591f38b0dd6STero Kristo .min_divider = 1, 5923db5ca27STero Kristo .max_rate = 1000000000, 593f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 594f38b0dd6STero Kristo }; 595f38b0dd6STero Kristo 596a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd); 597f38b0dd6STero Kristo } 598f38b0dd6STero Kristo CLK_OF_DECLARE(ti_am3_no_gate_dpll_clock, "ti,am3-dpll-no-gate-clock", 599f38b0dd6STero Kristo of_ti_am3_no_gate_dpll_setup); 600f38b0dd6STero Kristo 601f38b0dd6STero Kristo static void __init of_ti_am3_jtype_dpll_setup(struct device_node *node) 602f38b0dd6STero Kristo { 603f38b0dd6STero Kristo const struct dpll_data dd = { 604f38b0dd6STero Kristo .idlest_mask = 0x1, 605f38b0dd6STero Kristo .enable_mask = 0x7, 606f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 607f38b0dd6STero Kristo .div1_mask = 0x7f, 608f38b0dd6STero Kristo .max_multiplier = 4095, 609f38b0dd6STero Kristo .max_divider = 256, 610f38b0dd6STero Kristo .min_divider = 2, 611f38b0dd6STero Kristo .flags = DPLL_J_TYPE, 6123db5ca27STero Kristo .max_rate = 2000000000, 613f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 614f38b0dd6STero Kristo }; 615f38b0dd6STero Kristo 616a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_ck_ops, &dd); 617f38b0dd6STero Kristo } 618f38b0dd6STero Kristo CLK_OF_DECLARE(ti_am3_jtype_dpll_clock, "ti,am3-dpll-j-type-clock", 619f38b0dd6STero Kristo of_ti_am3_jtype_dpll_setup); 620f38b0dd6STero Kristo 621f38b0dd6STero Kristo static void __init of_ti_am3_no_gate_jtype_dpll_setup(struct device_node *node) 622f38b0dd6STero Kristo { 623f38b0dd6STero Kristo const struct dpll_data dd = { 624f38b0dd6STero Kristo .idlest_mask = 0x1, 625f38b0dd6STero Kristo .enable_mask = 0x7, 626f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 627f38b0dd6STero Kristo .div1_mask = 0x7f, 628f38b0dd6STero Kristo .max_multiplier = 2047, 629f38b0dd6STero Kristo .max_divider = 128, 630f38b0dd6STero Kristo .min_divider = 1, 6313db5ca27STero Kristo .max_rate = 2000000000, 632f38b0dd6STero Kristo .flags = DPLL_J_TYPE, 633f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 634f38b0dd6STero Kristo }; 635f38b0dd6STero Kristo 636a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd); 637f38b0dd6STero Kristo } 638f38b0dd6STero Kristo CLK_OF_DECLARE(ti_am3_no_gate_jtype_dpll_clock, 639f38b0dd6STero Kristo "ti,am3-dpll-no-gate-j-type-clock", 640f38b0dd6STero Kristo of_ti_am3_no_gate_jtype_dpll_setup); 641f38b0dd6STero Kristo 642f38b0dd6STero Kristo static void __init of_ti_am3_dpll_setup(struct device_node *node) 643f38b0dd6STero Kristo { 644f38b0dd6STero Kristo const struct dpll_data dd = { 645f38b0dd6STero Kristo .idlest_mask = 0x1, 646f38b0dd6STero Kristo .enable_mask = 0x7, 647f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 648f38b0dd6STero Kristo .div1_mask = 0x7f, 649f38b0dd6STero Kristo .max_multiplier = 2047, 650f38b0dd6STero Kristo .max_divider = 128, 651f38b0dd6STero Kristo .min_divider = 1, 6523db5ca27STero Kristo .max_rate = 1000000000, 653f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 654f38b0dd6STero Kristo }; 655f38b0dd6STero Kristo 656a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_ck_ops, &dd); 657f38b0dd6STero Kristo } 658f38b0dd6STero Kristo CLK_OF_DECLARE(ti_am3_dpll_clock, "ti,am3-dpll-clock", of_ti_am3_dpll_setup); 659f38b0dd6STero Kristo 660f38b0dd6STero Kristo static void __init of_ti_am3_core_dpll_setup(struct device_node *node) 661f38b0dd6STero Kristo { 662f38b0dd6STero Kristo const struct dpll_data dd = { 663f38b0dd6STero Kristo .idlest_mask = 0x1, 664f38b0dd6STero Kristo .enable_mask = 0x7, 665f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 666f38b0dd6STero Kristo .div1_mask = 0x7f, 667f38b0dd6STero Kristo .max_multiplier = 2047, 668f38b0dd6STero Kristo .max_divider = 128, 669f38b0dd6STero Kristo .min_divider = 1, 6703db5ca27STero Kristo .max_rate = 1000000000, 671f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 672f38b0dd6STero Kristo }; 673f38b0dd6STero Kristo 674a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd); 675f38b0dd6STero Kristo } 676f38b0dd6STero Kristo CLK_OF_DECLARE(ti_am3_core_dpll_clock, "ti,am3-dpll-core-clock", 677f38b0dd6STero Kristo of_ti_am3_core_dpll_setup); 678aa76fcf4STero Kristo 679aa76fcf4STero Kristo static void __init of_ti_omap2_core_dpll_setup(struct device_node *node) 680aa76fcf4STero Kristo { 681aa76fcf4STero Kristo const struct dpll_data dd = { 682aa76fcf4STero Kristo .enable_mask = 0x3, 683aa76fcf4STero Kristo .mult_mask = 0x3ff << 12, 684aa76fcf4STero Kristo .div1_mask = 0xf << 8, 685aa76fcf4STero Kristo .max_divider = 16, 686aa76fcf4STero Kristo .min_divider = 1, 687aa76fcf4STero Kristo }; 688aa76fcf4STero Kristo 689aa76fcf4STero Kristo of_ti_dpll_setup(node, &omap2_dpll_core_ck_ops, &dd); 690aa76fcf4STero Kristo } 691aa76fcf4STero Kristo CLK_OF_DECLARE(ti_omap2_core_dpll_clock, "ti,omap2-dpll-core-clock", 692aa76fcf4STero Kristo of_ti_omap2_core_dpll_setup); 693