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, 42f38b0dd6STero Kristo }; 43aa76fcf4STero Kristo #else 44aa76fcf4STero Kristo static const struct clk_ops dpll_m4xen_ck_ops = {}; 45f38b0dd6STero Kristo #endif 46f38b0dd6STero Kristo 47aa76fcf4STero Kristo #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) || \ 48aa76fcf4STero Kristo defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX) || \ 49aa76fcf4STero Kristo defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) 50f38b0dd6STero Kristo static const struct clk_ops dpll_core_ck_ops = { 51f38b0dd6STero Kristo .recalc_rate = &omap3_dpll_recalc, 52f38b0dd6STero Kristo .get_parent = &omap2_init_dpll_parent, 53f38b0dd6STero Kristo }; 54f38b0dd6STero Kristo 55f38b0dd6STero Kristo static const struct clk_ops dpll_ck_ops = { 56f38b0dd6STero Kristo .enable = &omap3_noncore_dpll_enable, 57f38b0dd6STero Kristo .disable = &omap3_noncore_dpll_disable, 58f38b0dd6STero Kristo .recalc_rate = &omap3_dpll_recalc, 59f38b0dd6STero Kristo .round_rate = &omap2_dpll_round_rate, 60f38b0dd6STero Kristo .set_rate = &omap3_noncore_dpll_set_rate, 612e1a7b01STero Kristo .set_parent = &omap3_noncore_dpll_set_parent, 622e1a7b01STero Kristo .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 632e1a7b01STero Kristo .determine_rate = &omap3_noncore_dpll_determine_rate, 64f38b0dd6STero Kristo .get_parent = &omap2_init_dpll_parent, 65f38b0dd6STero Kristo }; 66f38b0dd6STero Kristo 67f38b0dd6STero Kristo static const struct clk_ops dpll_no_gate_ck_ops = { 68f38b0dd6STero Kristo .recalc_rate = &omap3_dpll_recalc, 69f38b0dd6STero Kristo .get_parent = &omap2_init_dpll_parent, 70f38b0dd6STero Kristo .round_rate = &omap2_dpll_round_rate, 71f38b0dd6STero Kristo .set_rate = &omap3_noncore_dpll_set_rate, 722e1a7b01STero Kristo .set_parent = &omap3_noncore_dpll_set_parent, 732e1a7b01STero Kristo .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 742e1a7b01STero Kristo .determine_rate = &omap3_noncore_dpll_determine_rate, 75f38b0dd6STero Kristo }; 76aa76fcf4STero Kristo #else 77aa76fcf4STero Kristo static const struct clk_ops dpll_core_ck_ops = {}; 78aa76fcf4STero Kristo static const struct clk_ops dpll_ck_ops = {}; 79aa76fcf4STero Kristo static const struct clk_ops dpll_no_gate_ck_ops = {}; 80aa76fcf4STero Kristo const struct clk_hw_omap_ops clkhwops_omap3_dpll = {}; 81aa76fcf4STero Kristo #endif 82aa76fcf4STero Kristo 83aa76fcf4STero Kristo #ifdef CONFIG_ARCH_OMAP2 84aa76fcf4STero Kristo static const struct clk_ops omap2_dpll_core_ck_ops = { 85aa76fcf4STero Kristo .get_parent = &omap2_init_dpll_parent, 86aa76fcf4STero Kristo .recalc_rate = &omap2_dpllcore_recalc, 87aa76fcf4STero Kristo .round_rate = &omap2_dpll_round_rate, 88aa76fcf4STero Kristo .set_rate = &omap2_reprogram_dpllcore, 89aa76fcf4STero Kristo }; 90aa76fcf4STero Kristo #else 91aa76fcf4STero Kristo static const struct clk_ops omap2_dpll_core_ck_ops = {}; 92aa76fcf4STero Kristo #endif 93aa76fcf4STero Kristo 94aa76fcf4STero Kristo #ifdef CONFIG_ARCH_OMAP3 95aa76fcf4STero Kristo static const struct clk_ops omap3_dpll_core_ck_ops = { 96aa76fcf4STero Kristo .get_parent = &omap2_init_dpll_parent, 97aa76fcf4STero Kristo .recalc_rate = &omap3_dpll_recalc, 98aa76fcf4STero Kristo .round_rate = &omap2_dpll_round_rate, 99aa76fcf4STero Kristo }; 100aa76fcf4STero Kristo #else 101aa76fcf4STero Kristo static const struct clk_ops omap3_dpll_core_ck_ops = {}; 102aa76fcf4STero Kristo #endif 103f38b0dd6STero Kristo 104f38b0dd6STero Kristo #ifdef CONFIG_ARCH_OMAP3 105f38b0dd6STero Kristo static const struct clk_ops omap3_dpll_ck_ops = { 106f38b0dd6STero Kristo .enable = &omap3_noncore_dpll_enable, 107f38b0dd6STero Kristo .disable = &omap3_noncore_dpll_disable, 108f38b0dd6STero Kristo .get_parent = &omap2_init_dpll_parent, 109f38b0dd6STero Kristo .recalc_rate = &omap3_dpll_recalc, 110f38b0dd6STero Kristo .set_rate = &omap3_noncore_dpll_set_rate, 1112e1a7b01STero Kristo .set_parent = &omap3_noncore_dpll_set_parent, 1122e1a7b01STero Kristo .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 1132e1a7b01STero Kristo .determine_rate = &omap3_noncore_dpll_determine_rate, 114f38b0dd6STero Kristo .round_rate = &omap2_dpll_round_rate, 115f38b0dd6STero Kristo }; 116f38b0dd6STero Kristo 117035cd485SRichard Watts static const struct clk_ops omap3_dpll5_ck_ops = { 118035cd485SRichard Watts .enable = &omap3_noncore_dpll_enable, 119035cd485SRichard Watts .disable = &omap3_noncore_dpll_disable, 120035cd485SRichard Watts .get_parent = &omap2_init_dpll_parent, 121035cd485SRichard Watts .recalc_rate = &omap3_dpll_recalc, 122035cd485SRichard Watts .set_rate = &omap3_dpll5_set_rate, 123035cd485SRichard Watts .set_parent = &omap3_noncore_dpll_set_parent, 124035cd485SRichard Watts .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent, 125035cd485SRichard Watts .determine_rate = &omap3_noncore_dpll_determine_rate, 126035cd485SRichard Watts .round_rate = &omap2_dpll_round_rate, 127035cd485SRichard Watts }; 128035cd485SRichard Watts 129f38b0dd6STero Kristo static const struct clk_ops omap3_dpll_per_ck_ops = { 130f38b0dd6STero Kristo .enable = &omap3_noncore_dpll_enable, 131f38b0dd6STero Kristo .disable = &omap3_noncore_dpll_disable, 132f38b0dd6STero Kristo .get_parent = &omap2_init_dpll_parent, 133f38b0dd6STero Kristo .recalc_rate = &omap3_dpll_recalc, 134f38b0dd6STero Kristo .set_rate = &omap3_dpll4_set_rate, 1352e1a7b01STero Kristo .set_parent = &omap3_noncore_dpll_set_parent, 1362e1a7b01STero Kristo .set_rate_and_parent = &omap3_dpll4_set_rate_and_parent, 1372e1a7b01STero Kristo .determine_rate = &omap3_noncore_dpll_determine_rate, 138f38b0dd6STero Kristo .round_rate = &omap2_dpll_round_rate, 139f38b0dd6STero Kristo }; 140f38b0dd6STero Kristo #endif 141f38b0dd6STero Kristo 142f38b0dd6STero Kristo static const struct clk_ops dpll_x2_ck_ops = { 143f38b0dd6STero Kristo .recalc_rate = &omap3_clkoutx2_recalc, 144f38b0dd6STero Kristo }; 145f38b0dd6STero Kristo 146f38b0dd6STero Kristo /** 147ed405a23STero Kristo * _register_dpll - low level registration of a DPLL clock 148f38b0dd6STero Kristo * @hw: hardware clock definition for the clock 149f38b0dd6STero Kristo * @node: device node for the clock 150f38b0dd6STero Kristo * 151f38b0dd6STero Kristo * Finalizes DPLL registration process. In case a failure (clk-ref or 152f38b0dd6STero Kristo * clk-bypass is missing), the clock is added to retry list and 153f38b0dd6STero Kristo * the initialization is retried on later stage. 154f38b0dd6STero Kristo */ 155ffb009b2STero Kristo static void __init _register_dpll(void *user, 156f38b0dd6STero Kristo struct device_node *node) 157f38b0dd6STero Kristo { 158ffb009b2STero Kristo struct clk_hw *hw = user; 159f38b0dd6STero Kristo struct clk_hw_omap *clk_hw = to_clk_hw_omap(hw); 160f38b0dd6STero Kristo struct dpll_data *dd = clk_hw->dpll_data; 161f38b0dd6STero Kristo struct clk *clk; 162f38b0dd6STero Kristo 163b6f51284STero Kristo clk = of_clk_get(node, 0); 164b6f51284STero Kristo if (IS_ERR(clk)) { 165*e665f029SRob Herring pr_debug("clk-ref missing for %pOFn, retry later\n", 166*e665f029SRob Herring node); 167ed405a23STero Kristo if (!ti_clk_retry_init(node, hw, _register_dpll)) 168f38b0dd6STero Kristo return; 169f38b0dd6STero Kristo 170f38b0dd6STero Kristo goto cleanup; 171f38b0dd6STero Kristo } 172f38b0dd6STero Kristo 173b6f51284STero Kristo dd->clk_ref = __clk_get_hw(clk); 174b6f51284STero Kristo 175b6f51284STero Kristo clk = of_clk_get(node, 1); 176b6f51284STero Kristo 177b6f51284STero Kristo if (IS_ERR(clk)) { 178*e665f029SRob Herring pr_debug("clk-bypass missing for %pOFn, retry later\n", 179*e665f029SRob Herring node); 180b6f51284STero Kristo if (!ti_clk_retry_init(node, hw, _register_dpll)) 181b6f51284STero Kristo return; 182b6f51284STero Kristo 183b6f51284STero Kristo goto cleanup; 184b6f51284STero Kristo } 185b6f51284STero Kristo 186b6f51284STero Kristo dd->clk_bypass = __clk_get_hw(clk); 187b6f51284STero Kristo 188f38b0dd6STero Kristo /* register the clock */ 1891ae79c46STero Kristo clk = ti_clk_register(NULL, &clk_hw->hw, node->name); 190f38b0dd6STero Kristo 191f38b0dd6STero Kristo if (!IS_ERR(clk)) { 19298d8a60eSStephen Boyd omap2_init_clk_hw_omap_clocks(&clk_hw->hw); 193f38b0dd6STero Kristo of_clk_add_provider(node, of_clk_src_simple_get, clk); 194f38b0dd6STero Kristo kfree(clk_hw->hw.init->parent_names); 195f38b0dd6STero Kristo kfree(clk_hw->hw.init); 196f38b0dd6STero Kristo return; 197f38b0dd6STero Kristo } 198f38b0dd6STero Kristo 199f38b0dd6STero Kristo cleanup: 200f38b0dd6STero Kristo kfree(clk_hw->dpll_data); 201f38b0dd6STero Kristo kfree(clk_hw->hw.init->parent_names); 202f38b0dd6STero Kristo kfree(clk_hw->hw.init); 203f38b0dd6STero Kristo kfree(clk_hw); 204f38b0dd6STero Kristo } 205f38b0dd6STero Kristo 206f38b0dd6STero Kristo #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 2074332ec1aSRoger Quadros defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX) || \ 2084332ec1aSRoger Quadros defined(CONFIG_SOC_AM43XX) 209f38b0dd6STero Kristo /** 210ed405a23STero Kristo * _register_dpll_x2 - Registers a DPLLx2 clock 211f38b0dd6STero Kristo * @node: device node for this clock 212f38b0dd6STero Kristo * @ops: clk_ops for this clock 213f38b0dd6STero Kristo * @hw_ops: clk_hw_ops for this clock 214f38b0dd6STero Kristo * 215f38b0dd6STero Kristo * Initializes a DPLL x 2 clock from device tree data. 216f38b0dd6STero Kristo */ 217ed405a23STero Kristo static void _register_dpll_x2(struct device_node *node, 218f38b0dd6STero Kristo const struct clk_ops *ops, 219f38b0dd6STero Kristo const struct clk_hw_omap_ops *hw_ops) 220f38b0dd6STero Kristo { 221f38b0dd6STero Kristo struct clk *clk; 222f38b0dd6STero Kristo struct clk_init_data init = { NULL }; 223f38b0dd6STero Kristo struct clk_hw_omap *clk_hw; 224f38b0dd6STero Kristo const char *name = node->name; 225f38b0dd6STero Kristo const char *parent_name; 226f38b0dd6STero Kristo 227f38b0dd6STero Kristo parent_name = of_clk_get_parent_name(node, 0); 228f38b0dd6STero Kristo if (!parent_name) { 229*e665f029SRob Herring pr_err("%pOFn must have parent\n", node); 230f38b0dd6STero Kristo return; 231f38b0dd6STero Kristo } 232f38b0dd6STero Kristo 233f38b0dd6STero Kristo clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); 234f38b0dd6STero Kristo if (!clk_hw) 235f38b0dd6STero Kristo return; 236f38b0dd6STero Kristo 237f38b0dd6STero Kristo clk_hw->ops = hw_ops; 238f38b0dd6STero Kristo clk_hw->hw.init = &init; 239f38b0dd6STero Kristo 240f38b0dd6STero Kristo init.name = name; 241f38b0dd6STero Kristo init.ops = ops; 242f38b0dd6STero Kristo init.parent_names = &parent_name; 243f38b0dd6STero Kristo init.num_parents = 1; 244f38b0dd6STero Kristo 2452158a093SArnd Bergmann #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 2462158a093SArnd Bergmann defined(CONFIG_SOC_DRA7XX) 247473adbf4STero Kristo if (hw_ops == &clkhwops_omap4_dpllmx) { 2482158a093SArnd Bergmann int ret; 2492158a093SArnd Bergmann 250473adbf4STero Kristo /* Check if register defined, if not, drop hw-ops */ 251473adbf4STero Kristo ret = of_property_count_elems_of_size(node, "reg", 1); 252473adbf4STero Kristo if (ret <= 0) { 2532158a093SArnd Bergmann clk_hw->ops = NULL; 2546c0afb50STero Kristo } else if (ti_clk_get_reg_addr(node, 0, &clk_hw->clksel_reg)) { 255473adbf4STero Kristo kfree(clk_hw); 256473adbf4STero Kristo return; 257473adbf4STero Kristo } 258473adbf4STero Kristo } 2592158a093SArnd Bergmann #endif 260473adbf4STero Kristo 261f38b0dd6STero Kristo /* register the clock */ 2621ae79c46STero Kristo clk = ti_clk_register(NULL, &clk_hw->hw, name); 263f38b0dd6STero Kristo 264f38b0dd6STero Kristo if (IS_ERR(clk)) { 265f38b0dd6STero Kristo kfree(clk_hw); 266f38b0dd6STero Kristo } else { 26798d8a60eSStephen Boyd omap2_init_clk_hw_omap_clocks(&clk_hw->hw); 268f38b0dd6STero Kristo of_clk_add_provider(node, of_clk_src_simple_get, clk); 269f38b0dd6STero Kristo } 270f38b0dd6STero Kristo } 271f38b0dd6STero Kristo #endif 272f38b0dd6STero Kristo 273f38b0dd6STero Kristo /** 274f38b0dd6STero Kristo * of_ti_dpll_setup - Setup function for OMAP DPLL clocks 275f38b0dd6STero Kristo * @node: device node containing the DPLL info 276f38b0dd6STero Kristo * @ops: ops for the DPLL 277f38b0dd6STero Kristo * @ddt: DPLL data template to use 278f38b0dd6STero Kristo * 279f38b0dd6STero Kristo * Initializes a DPLL clock from device tree data. 280f38b0dd6STero Kristo */ 281f38b0dd6STero Kristo static void __init of_ti_dpll_setup(struct device_node *node, 282f38b0dd6STero Kristo const struct clk_ops *ops, 283a6fe3771STero Kristo const struct dpll_data *ddt) 284f38b0dd6STero Kristo { 285f38b0dd6STero Kristo struct clk_hw_omap *clk_hw = NULL; 286f38b0dd6STero Kristo struct clk_init_data *init = NULL; 287f38b0dd6STero Kristo const char **parent_names = NULL; 288f38b0dd6STero Kristo struct dpll_data *dd = NULL; 289f38b0dd6STero Kristo u8 dpll_mode = 0; 290f38b0dd6STero Kristo 291f38b0dd6STero Kristo dd = kzalloc(sizeof(*dd), GFP_KERNEL); 292f38b0dd6STero Kristo clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); 293f38b0dd6STero Kristo init = kzalloc(sizeof(*init), GFP_KERNEL); 294f38b0dd6STero Kristo if (!dd || !clk_hw || !init) 295f38b0dd6STero Kristo goto cleanup; 296f38b0dd6STero Kristo 297f38b0dd6STero Kristo memcpy(dd, ddt, sizeof(*dd)); 298f38b0dd6STero Kristo 299f38b0dd6STero Kristo clk_hw->dpll_data = dd; 300f38b0dd6STero Kristo clk_hw->ops = &clkhwops_omap3_dpll; 301f38b0dd6STero Kristo clk_hw->hw.init = init; 302f38b0dd6STero Kristo 303f38b0dd6STero Kristo init->name = node->name; 304f38b0dd6STero Kristo init->ops = ops; 305f38b0dd6STero Kristo 306f38b0dd6STero Kristo init->num_parents = of_clk_get_parent_count(node); 307921bacfaSStephen Boyd if (!init->num_parents) { 308*e665f029SRob Herring pr_err("%pOFn must have parent(s)\n", node); 309f38b0dd6STero Kristo goto cleanup; 310f38b0dd6STero Kristo } 311f38b0dd6STero Kristo 3126396bb22SKees Cook parent_names = kcalloc(init->num_parents, sizeof(char *), GFP_KERNEL); 313f38b0dd6STero Kristo if (!parent_names) 314f38b0dd6STero Kristo goto cleanup; 315f38b0dd6STero Kristo 3169da9e761SDinh Nguyen of_clk_parent_fill(node, parent_names, init->num_parents); 317f38b0dd6STero Kristo 318f38b0dd6STero Kristo init->parent_names = parent_names; 319f38b0dd6STero Kristo 3206c0afb50STero Kristo if (ti_clk_get_reg_addr(node, 0, &dd->control_reg)) 3216c0afb50STero Kristo goto cleanup; 322f38b0dd6STero Kristo 323aa76fcf4STero Kristo /* 324aa76fcf4STero Kristo * Special case for OMAP2 DPLL, register order is different due to 325aa76fcf4STero Kristo * missing idlest_reg, also clkhwops is different. Detected from 326aa76fcf4STero Kristo * missing idlest_mask. 327aa76fcf4STero Kristo */ 328aa76fcf4STero Kristo if (!dd->idlest_mask) { 3296c0afb50STero Kristo if (ti_clk_get_reg_addr(node, 1, &dd->mult_div1_reg)) 3306c0afb50STero Kristo goto cleanup; 331aa76fcf4STero Kristo #ifdef CONFIG_ARCH_OMAP2 332aa76fcf4STero Kristo clk_hw->ops = &clkhwops_omap2xxx_dpll; 333aa76fcf4STero Kristo omap2xxx_clkt_dpllcore_init(&clk_hw->hw); 334aa76fcf4STero Kristo #endif 335aa76fcf4STero Kristo } else { 3366c0afb50STero Kristo if (ti_clk_get_reg_addr(node, 1, &dd->idlest_reg)) 337aa76fcf4STero Kristo goto cleanup; 338aa76fcf4STero Kristo 3396c0afb50STero Kristo if (ti_clk_get_reg_addr(node, 2, &dd->mult_div1_reg)) 3406c0afb50STero Kristo goto cleanup; 341aa76fcf4STero Kristo } 342aa76fcf4STero Kristo 343a6fe3771STero Kristo if (dd->autoidle_mask) { 3446c0afb50STero Kristo if (ti_clk_get_reg_addr(node, 3, &dd->autoidle_reg)) 345f38b0dd6STero Kristo goto cleanup; 346f38b0dd6STero Kristo } 347f38b0dd6STero Kristo 348f38b0dd6STero Kristo if (of_property_read_bool(node, "ti,low-power-stop")) 349f38b0dd6STero Kristo dpll_mode |= 1 << DPLL_LOW_POWER_STOP; 350f38b0dd6STero Kristo 351f38b0dd6STero Kristo if (of_property_read_bool(node, "ti,low-power-bypass")) 352f38b0dd6STero Kristo dpll_mode |= 1 << DPLL_LOW_POWER_BYPASS; 353f38b0dd6STero Kristo 354f38b0dd6STero Kristo if (of_property_read_bool(node, "ti,lock")) 355f38b0dd6STero Kristo dpll_mode |= 1 << DPLL_LOCKED; 356f38b0dd6STero Kristo 357f38b0dd6STero Kristo if (dpll_mode) 358f38b0dd6STero Kristo dd->modes = dpll_mode; 359f38b0dd6STero Kristo 360ed405a23STero Kristo _register_dpll(&clk_hw->hw, node); 361f38b0dd6STero Kristo return; 362f38b0dd6STero Kristo 363f38b0dd6STero Kristo cleanup: 364f38b0dd6STero Kristo kfree(dd); 365f38b0dd6STero Kristo kfree(parent_names); 366f38b0dd6STero Kristo kfree(init); 367f38b0dd6STero Kristo kfree(clk_hw); 368f38b0dd6STero Kristo } 369f38b0dd6STero Kristo 370f38b0dd6STero Kristo #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 371f38b0dd6STero Kristo defined(CONFIG_SOC_DRA7XX) 372f38b0dd6STero Kristo static void __init of_ti_omap4_dpll_x2_setup(struct device_node *node) 373f38b0dd6STero Kristo { 374ed405a23STero Kristo _register_dpll_x2(node, &dpll_x2_ck_ops, &clkhwops_omap4_dpllmx); 375f38b0dd6STero Kristo } 376f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap4_dpll_x2_clock, "ti,omap4-dpll-x2-clock", 377f38b0dd6STero Kristo of_ti_omap4_dpll_x2_setup); 378f38b0dd6STero Kristo #endif 379f38b0dd6STero Kristo 3804332ec1aSRoger Quadros #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) 381f38b0dd6STero Kristo static void __init of_ti_am3_dpll_x2_setup(struct device_node *node) 382f38b0dd6STero Kristo { 383ed405a23STero Kristo _register_dpll_x2(node, &dpll_x2_ck_ops, NULL); 384f38b0dd6STero Kristo } 385f38b0dd6STero Kristo CLK_OF_DECLARE(ti_am3_dpll_x2_clock, "ti,am3-dpll-x2-clock", 386f38b0dd6STero Kristo of_ti_am3_dpll_x2_setup); 387f38b0dd6STero Kristo #endif 388f38b0dd6STero Kristo 389f38b0dd6STero Kristo #ifdef CONFIG_ARCH_OMAP3 390f38b0dd6STero Kristo static void __init of_ti_omap3_dpll_setup(struct device_node *node) 391f38b0dd6STero Kristo { 392f38b0dd6STero Kristo const struct dpll_data dd = { 393f38b0dd6STero Kristo .idlest_mask = 0x1, 394f38b0dd6STero Kristo .enable_mask = 0x7, 395f38b0dd6STero Kristo .autoidle_mask = 0x7, 396f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 397f38b0dd6STero Kristo .div1_mask = 0x7f, 398f38b0dd6STero Kristo .max_multiplier = 2047, 399f38b0dd6STero Kristo .max_divider = 128, 400f38b0dd6STero Kristo .min_divider = 1, 401f38b0dd6STero Kristo .freqsel_mask = 0xf0, 402f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 403f38b0dd6STero Kristo }; 404f38b0dd6STero Kristo 405035cd485SRichard Watts if ((of_machine_is_compatible("ti,omap3630") || 406035cd485SRichard Watts of_machine_is_compatible("ti,omap36xx")) && 407035cd485SRichard Watts !strcmp(node->name, "dpll5_ck")) 408035cd485SRichard Watts of_ti_dpll_setup(node, &omap3_dpll5_ck_ops, &dd); 409035cd485SRichard Watts else 410a6fe3771STero Kristo of_ti_dpll_setup(node, &omap3_dpll_ck_ops, &dd); 411f38b0dd6STero Kristo } 412f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap3_dpll_clock, "ti,omap3-dpll-clock", 413f38b0dd6STero Kristo of_ti_omap3_dpll_setup); 414f38b0dd6STero Kristo 415f38b0dd6STero Kristo static void __init of_ti_omap3_core_dpll_setup(struct device_node *node) 416f38b0dd6STero Kristo { 417f38b0dd6STero Kristo const struct dpll_data dd = { 418f38b0dd6STero Kristo .idlest_mask = 0x1, 419f38b0dd6STero Kristo .enable_mask = 0x7, 420f38b0dd6STero Kristo .autoidle_mask = 0x7, 421f38b0dd6STero Kristo .mult_mask = 0x7ff << 16, 422f38b0dd6STero Kristo .div1_mask = 0x7f << 8, 423f38b0dd6STero Kristo .max_multiplier = 2047, 424f38b0dd6STero Kristo .max_divider = 128, 425f38b0dd6STero Kristo .min_divider = 1, 426f38b0dd6STero Kristo .freqsel_mask = 0xf0, 427f38b0dd6STero Kristo }; 428f38b0dd6STero Kristo 429a6fe3771STero Kristo of_ti_dpll_setup(node, &omap3_dpll_core_ck_ops, &dd); 430f38b0dd6STero Kristo } 431f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap3_core_dpll_clock, "ti,omap3-dpll-core-clock", 432f38b0dd6STero Kristo of_ti_omap3_core_dpll_setup); 433f38b0dd6STero Kristo 434f38b0dd6STero Kristo static void __init of_ti_omap3_per_dpll_setup(struct device_node *node) 435f38b0dd6STero Kristo { 436f38b0dd6STero Kristo const struct dpll_data dd = { 437f38b0dd6STero Kristo .idlest_mask = 0x1 << 1, 438f38b0dd6STero Kristo .enable_mask = 0x7 << 16, 439f38b0dd6STero Kristo .autoidle_mask = 0x7 << 3, 440f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 441f38b0dd6STero Kristo .div1_mask = 0x7f, 442f38b0dd6STero Kristo .max_multiplier = 2047, 443f38b0dd6STero Kristo .max_divider = 128, 444f38b0dd6STero Kristo .min_divider = 1, 445f38b0dd6STero Kristo .freqsel_mask = 0xf00000, 446f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED), 447f38b0dd6STero Kristo }; 448f38b0dd6STero Kristo 449a6fe3771STero Kristo of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd); 450f38b0dd6STero Kristo } 451f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap3_per_dpll_clock, "ti,omap3-dpll-per-clock", 452f38b0dd6STero Kristo of_ti_omap3_per_dpll_setup); 453f38b0dd6STero Kristo 454f38b0dd6STero Kristo static void __init of_ti_omap3_per_jtype_dpll_setup(struct device_node *node) 455f38b0dd6STero Kristo { 456f38b0dd6STero Kristo const struct dpll_data dd = { 457f38b0dd6STero Kristo .idlest_mask = 0x1 << 1, 458f38b0dd6STero Kristo .enable_mask = 0x7 << 16, 459f38b0dd6STero Kristo .autoidle_mask = 0x7 << 3, 460f38b0dd6STero Kristo .mult_mask = 0xfff << 8, 461f38b0dd6STero Kristo .div1_mask = 0x7f, 462f38b0dd6STero Kristo .max_multiplier = 4095, 463f38b0dd6STero Kristo .max_divider = 128, 464f38b0dd6STero Kristo .min_divider = 1, 465f38b0dd6STero Kristo .sddiv_mask = 0xff << 24, 466f38b0dd6STero Kristo .dco_mask = 0xe << 20, 467f38b0dd6STero Kristo .flags = DPLL_J_TYPE, 468f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_STOP) | (1 << DPLL_LOCKED), 469f38b0dd6STero Kristo }; 470f38b0dd6STero Kristo 471a6fe3771STero Kristo of_ti_dpll_setup(node, &omap3_dpll_per_ck_ops, &dd); 472f38b0dd6STero Kristo } 473f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap3_per_jtype_dpll_clock, "ti,omap3-dpll-per-j-type-clock", 474f38b0dd6STero Kristo of_ti_omap3_per_jtype_dpll_setup); 475f38b0dd6STero Kristo #endif 476f38b0dd6STero Kristo 477f38b0dd6STero Kristo static void __init of_ti_omap4_dpll_setup(struct device_node *node) 478f38b0dd6STero Kristo { 479f38b0dd6STero Kristo const struct dpll_data dd = { 480f38b0dd6STero Kristo .idlest_mask = 0x1, 481f38b0dd6STero Kristo .enable_mask = 0x7, 482f38b0dd6STero Kristo .autoidle_mask = 0x7, 483f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 484f38b0dd6STero Kristo .div1_mask = 0x7f, 485f38b0dd6STero Kristo .max_multiplier = 2047, 486f38b0dd6STero Kristo .max_divider = 128, 487f38b0dd6STero Kristo .min_divider = 1, 488f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 489f38b0dd6STero Kristo }; 490f38b0dd6STero Kristo 491a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_ck_ops, &dd); 492f38b0dd6STero Kristo } 493f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap4_dpll_clock, "ti,omap4-dpll-clock", 494f38b0dd6STero Kristo of_ti_omap4_dpll_setup); 495f38b0dd6STero Kristo 496b4be0189SNishanth Menon static void __init of_ti_omap5_mpu_dpll_setup(struct device_node *node) 497b4be0189SNishanth Menon { 498b4be0189SNishanth Menon const struct dpll_data dd = { 499b4be0189SNishanth Menon .idlest_mask = 0x1, 500b4be0189SNishanth Menon .enable_mask = 0x7, 501b4be0189SNishanth Menon .autoidle_mask = 0x7, 502b4be0189SNishanth Menon .mult_mask = 0x7ff << 8, 503b4be0189SNishanth Menon .div1_mask = 0x7f, 504b4be0189SNishanth Menon .max_multiplier = 2047, 505b4be0189SNishanth Menon .max_divider = 128, 506b4be0189SNishanth Menon .dcc_mask = BIT(22), 507b4be0189SNishanth Menon .dcc_rate = 1400000000, /* DCC beyond 1.4GHz */ 508b4be0189SNishanth Menon .min_divider = 1, 509b4be0189SNishanth Menon .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 510b4be0189SNishanth Menon }; 511b4be0189SNishanth Menon 512b4be0189SNishanth Menon of_ti_dpll_setup(node, &dpll_ck_ops, &dd); 513b4be0189SNishanth Menon } 514b4be0189SNishanth Menon CLK_OF_DECLARE(of_ti_omap5_mpu_dpll_clock, "ti,omap5-mpu-dpll-clock", 515b4be0189SNishanth Menon of_ti_omap5_mpu_dpll_setup); 516b4be0189SNishanth Menon 517f38b0dd6STero Kristo static void __init of_ti_omap4_core_dpll_setup(struct device_node *node) 518f38b0dd6STero Kristo { 519f38b0dd6STero Kristo const struct dpll_data dd = { 520f38b0dd6STero Kristo .idlest_mask = 0x1, 521f38b0dd6STero Kristo .enable_mask = 0x7, 522f38b0dd6STero Kristo .autoidle_mask = 0x7, 523f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 524f38b0dd6STero Kristo .div1_mask = 0x7f, 525f38b0dd6STero Kristo .max_multiplier = 2047, 526f38b0dd6STero Kristo .max_divider = 128, 527f38b0dd6STero Kristo .min_divider = 1, 528f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 529f38b0dd6STero Kristo }; 530f38b0dd6STero Kristo 531a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd); 532f38b0dd6STero Kristo } 533f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap4_core_dpll_clock, "ti,omap4-dpll-core-clock", 534f38b0dd6STero Kristo of_ti_omap4_core_dpll_setup); 535f38b0dd6STero Kristo 536f38b0dd6STero Kristo #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ 537f38b0dd6STero Kristo defined(CONFIG_SOC_DRA7XX) 538f38b0dd6STero Kristo static void __init of_ti_omap4_m4xen_dpll_setup(struct device_node *node) 539f38b0dd6STero Kristo { 540f38b0dd6STero Kristo const struct dpll_data dd = { 541f38b0dd6STero Kristo .idlest_mask = 0x1, 542f38b0dd6STero Kristo .enable_mask = 0x7, 543f38b0dd6STero Kristo .autoidle_mask = 0x7, 544f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 545f38b0dd6STero Kristo .div1_mask = 0x7f, 546f38b0dd6STero Kristo .max_multiplier = 2047, 547f38b0dd6STero Kristo .max_divider = 128, 548f38b0dd6STero Kristo .min_divider = 1, 549f38b0dd6STero Kristo .m4xen_mask = 0x800, 550f38b0dd6STero Kristo .lpmode_mask = 1 << 10, 551f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 552f38b0dd6STero Kristo }; 553f38b0dd6STero Kristo 554a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd); 555f38b0dd6STero Kristo } 556f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap4_m4xen_dpll_clock, "ti,omap4-dpll-m4xen-clock", 557f38b0dd6STero Kristo of_ti_omap4_m4xen_dpll_setup); 558f38b0dd6STero Kristo 559f38b0dd6STero Kristo static void __init of_ti_omap4_jtype_dpll_setup(struct device_node *node) 560f38b0dd6STero Kristo { 561f38b0dd6STero Kristo const struct dpll_data dd = { 562f38b0dd6STero Kristo .idlest_mask = 0x1, 563f38b0dd6STero Kristo .enable_mask = 0x7, 564f38b0dd6STero Kristo .autoidle_mask = 0x7, 565f38b0dd6STero Kristo .mult_mask = 0xfff << 8, 566f38b0dd6STero Kristo .div1_mask = 0xff, 567f38b0dd6STero Kristo .max_multiplier = 4095, 568f38b0dd6STero Kristo .max_divider = 256, 569f38b0dd6STero Kristo .min_divider = 1, 570f38b0dd6STero Kristo .sddiv_mask = 0xff << 24, 571f38b0dd6STero Kristo .flags = DPLL_J_TYPE, 572f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 573f38b0dd6STero Kristo }; 574f38b0dd6STero Kristo 575a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_m4xen_ck_ops, &dd); 576f38b0dd6STero Kristo } 577f38b0dd6STero Kristo CLK_OF_DECLARE(ti_omap4_jtype_dpll_clock, "ti,omap4-dpll-j-type-clock", 578f38b0dd6STero Kristo of_ti_omap4_jtype_dpll_setup); 579f38b0dd6STero Kristo #endif 580f38b0dd6STero Kristo 581f38b0dd6STero Kristo static void __init of_ti_am3_no_gate_dpll_setup(struct device_node *node) 582f38b0dd6STero Kristo { 583f38b0dd6STero Kristo const struct dpll_data dd = { 584f38b0dd6STero Kristo .idlest_mask = 0x1, 585f38b0dd6STero Kristo .enable_mask = 0x7, 586f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 587f38b0dd6STero Kristo .div1_mask = 0x7f, 588f38b0dd6STero Kristo .max_multiplier = 2047, 589f38b0dd6STero Kristo .max_divider = 128, 590f38b0dd6STero Kristo .min_divider = 1, 5913db5ca27STero Kristo .max_rate = 1000000000, 592f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 593f38b0dd6STero Kristo }; 594f38b0dd6STero Kristo 595a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd); 596f38b0dd6STero Kristo } 597f38b0dd6STero Kristo CLK_OF_DECLARE(ti_am3_no_gate_dpll_clock, "ti,am3-dpll-no-gate-clock", 598f38b0dd6STero Kristo of_ti_am3_no_gate_dpll_setup); 599f38b0dd6STero Kristo 600f38b0dd6STero Kristo static void __init of_ti_am3_jtype_dpll_setup(struct device_node *node) 601f38b0dd6STero Kristo { 602f38b0dd6STero Kristo const struct dpll_data dd = { 603f38b0dd6STero Kristo .idlest_mask = 0x1, 604f38b0dd6STero Kristo .enable_mask = 0x7, 605f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 606f38b0dd6STero Kristo .div1_mask = 0x7f, 607f38b0dd6STero Kristo .max_multiplier = 4095, 608f38b0dd6STero Kristo .max_divider = 256, 609f38b0dd6STero Kristo .min_divider = 2, 610f38b0dd6STero Kristo .flags = DPLL_J_TYPE, 6113db5ca27STero Kristo .max_rate = 2000000000, 612f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 613f38b0dd6STero Kristo }; 614f38b0dd6STero Kristo 615a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_ck_ops, &dd); 616f38b0dd6STero Kristo } 617f38b0dd6STero Kristo CLK_OF_DECLARE(ti_am3_jtype_dpll_clock, "ti,am3-dpll-j-type-clock", 618f38b0dd6STero Kristo of_ti_am3_jtype_dpll_setup); 619f38b0dd6STero Kristo 620f38b0dd6STero Kristo static void __init of_ti_am3_no_gate_jtype_dpll_setup(struct device_node *node) 621f38b0dd6STero Kristo { 622f38b0dd6STero Kristo const struct dpll_data dd = { 623f38b0dd6STero Kristo .idlest_mask = 0x1, 624f38b0dd6STero Kristo .enable_mask = 0x7, 625f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 626f38b0dd6STero Kristo .div1_mask = 0x7f, 627f38b0dd6STero Kristo .max_multiplier = 2047, 628f38b0dd6STero Kristo .max_divider = 128, 629f38b0dd6STero Kristo .min_divider = 1, 6303db5ca27STero Kristo .max_rate = 2000000000, 631f38b0dd6STero Kristo .flags = DPLL_J_TYPE, 632f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 633f38b0dd6STero Kristo }; 634f38b0dd6STero Kristo 635a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_no_gate_ck_ops, &dd); 636f38b0dd6STero Kristo } 637f38b0dd6STero Kristo CLK_OF_DECLARE(ti_am3_no_gate_jtype_dpll_clock, 638f38b0dd6STero Kristo "ti,am3-dpll-no-gate-j-type-clock", 639f38b0dd6STero Kristo of_ti_am3_no_gate_jtype_dpll_setup); 640f38b0dd6STero Kristo 641f38b0dd6STero Kristo static void __init of_ti_am3_dpll_setup(struct device_node *node) 642f38b0dd6STero Kristo { 643f38b0dd6STero Kristo const struct dpll_data dd = { 644f38b0dd6STero Kristo .idlest_mask = 0x1, 645f38b0dd6STero Kristo .enable_mask = 0x7, 646f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 647f38b0dd6STero Kristo .div1_mask = 0x7f, 648f38b0dd6STero Kristo .max_multiplier = 2047, 649f38b0dd6STero Kristo .max_divider = 128, 650f38b0dd6STero Kristo .min_divider = 1, 6513db5ca27STero Kristo .max_rate = 1000000000, 652f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 653f38b0dd6STero Kristo }; 654f38b0dd6STero Kristo 655a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_ck_ops, &dd); 656f38b0dd6STero Kristo } 657f38b0dd6STero Kristo CLK_OF_DECLARE(ti_am3_dpll_clock, "ti,am3-dpll-clock", of_ti_am3_dpll_setup); 658f38b0dd6STero Kristo 659f38b0dd6STero Kristo static void __init of_ti_am3_core_dpll_setup(struct device_node *node) 660f38b0dd6STero Kristo { 661f38b0dd6STero Kristo const struct dpll_data dd = { 662f38b0dd6STero Kristo .idlest_mask = 0x1, 663f38b0dd6STero Kristo .enable_mask = 0x7, 664f38b0dd6STero Kristo .mult_mask = 0x7ff << 8, 665f38b0dd6STero Kristo .div1_mask = 0x7f, 666f38b0dd6STero Kristo .max_multiplier = 2047, 667f38b0dd6STero Kristo .max_divider = 128, 668f38b0dd6STero Kristo .min_divider = 1, 6693db5ca27STero Kristo .max_rate = 1000000000, 670f38b0dd6STero Kristo .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), 671f38b0dd6STero Kristo }; 672f38b0dd6STero Kristo 673a6fe3771STero Kristo of_ti_dpll_setup(node, &dpll_core_ck_ops, &dd); 674f38b0dd6STero Kristo } 675f38b0dd6STero Kristo CLK_OF_DECLARE(ti_am3_core_dpll_clock, "ti,am3-dpll-core-clock", 676f38b0dd6STero Kristo of_ti_am3_core_dpll_setup); 677aa76fcf4STero Kristo 678aa76fcf4STero Kristo static void __init of_ti_omap2_core_dpll_setup(struct device_node *node) 679aa76fcf4STero Kristo { 680aa76fcf4STero Kristo const struct dpll_data dd = { 681aa76fcf4STero Kristo .enable_mask = 0x3, 682aa76fcf4STero Kristo .mult_mask = 0x3ff << 12, 683aa76fcf4STero Kristo .div1_mask = 0xf << 8, 684aa76fcf4STero Kristo .max_divider = 16, 685aa76fcf4STero Kristo .min_divider = 1, 686aa76fcf4STero Kristo }; 687aa76fcf4STero Kristo 688aa76fcf4STero Kristo of_ti_dpll_setup(node, &omap2_dpll_core_ck_ops, &dd); 689aa76fcf4STero Kristo } 690aa76fcf4STero Kristo CLK_OF_DECLARE(ti_omap2_core_dpll_clock, "ti,omap2-dpll-core-clock", 691aa76fcf4STero Kristo of_ti_omap2_core_dpll_setup); 692