Lines Matching +full:omap3 +full:- +full:wdt
1 // SPDX-License-Identifier: GPL-2.0
3 * ti-sysc.c - Texas Instruments sysc interconnect target driver
8 * Copyright (C) 2017-2024 Texas Instruments Incorporated - https://www.ti.com/
13 * Copyright (C) 2009-2011 Nokia Corporation
14 * Copyright (C) 2011-2021 Texas Instruments Incorporated - https://www.ti.com/
35 #include <linux/platform_data/ti-sysc.h>
37 #include <dt-bindings/bus/ti-sysc.h>
108 * struct sysc - TI sysc interconnect target module registers and capabilities
114 * @mdata: ti-sysc to hwmod translation data for a module
131 * @pre_reset_quirk: module specific pre-reset quirk
132 * @post_reset_quirk: module specific post-reset quirk
177 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_write()
178 writew_relaxed(value & 0xffff, ddata->module_va + offset); in sysc_write()
181 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_write()
182 offset == ddata->offsets[SYSC_REVISION]) { in sysc_write()
185 writew_relaxed(hi, ddata->module_va + offset + 4); in sysc_write()
191 writel_relaxed(value, ddata->module_va + offset); in sysc_write()
196 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_read()
199 val = readw_relaxed(ddata->module_va + offset); in sysc_read()
202 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_read()
203 offset == ddata->offsets[SYSC_REVISION]) { in sysc_read()
204 u16 tmp = readw_relaxed(ddata->module_va + offset + 4); in sysc_read()
212 return readl_relaxed(ddata->module_va + offset); in sysc_read()
217 return !!(ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_NEEDED); in sysc_opt_clks_needed()
222 int offset = ddata->offsets[SYSC_REVISION]; in sysc_read_revision()
232 int offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_read_sysconfig()
242 int offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_read_sysstatus()
255 if (ddata->cfg.quirks & SYSS_QUIRK_RESETDONE_INVERTED) in sysc_poll_reset_sysstatus()
258 syss_done = ddata->cfg.syss_mask; in sysc_poll_reset_sysstatus()
262 rstval, (rstval & ddata->cfg.syss_mask) == in sysc_poll_reset_sysstatus()
266 while (retries--) { in sysc_poll_reset_sysstatus()
268 if ((rstval & ddata->cfg.syss_mask) == syss_done) in sysc_poll_reset_sysstatus()
272 error = -ETIMEDOUT; in sysc_poll_reset_sysstatus()
283 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_poll_reset_sysconfig()
291 while (retries--) { in sysc_poll_reset_sysconfig()
297 error = -ETIMEDOUT; in sysc_poll_reset_sysconfig()
308 if (ddata->cap->regbits->srst_shift < 0) in sysc_wait_softreset()
311 syss_offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_wait_softreset()
315 else if (ddata->cfg.quirks & SYSC_QUIRK_RESET_STATUS) in sysc_wait_softreset()
325 struct device_node *np = ddata->dev->of_node; in sysc_add_named_clock_from_child()
346 return -ENODEV; in sysc_add_named_clock_from_child()
348 clock = devm_get_clk_from_child(ddata->dev, child, name); in sysc_add_named_clock_from_child()
359 return -ENOMEM; in sysc_add_named_clock_from_child()
361 cl->con_id = n; in sysc_add_named_clock_from_child()
362 cl->dev_id = dev_name(ddata->dev); in sysc_add_named_clock_from_child()
363 cl->clk = clock; in sysc_add_named_clock_from_child()
376 if (ddata->nr_clocks < SYSC_OPTFCK0) in sysc_init_ext_opt_clock()
379 index = ddata->nr_clocks; in sysc_init_ext_opt_clock()
390 ddata->clock_roles[index] = optfck_name; in sysc_init_ext_opt_clock()
391 ddata->nr_clocks++; in sysc_init_ext_opt_clock()
398 int error, i, index = -ENODEV; in sysc_get_one_clock()
407 if (!ddata->clocks[i]) { in sysc_get_one_clock()
415 dev_err(ddata->dev, "clock %s not added\n", name); in sysc_get_one_clock()
419 ddata->clocks[index] = devm_clk_get(ddata->dev, name); in sysc_get_one_clock()
420 if (IS_ERR(ddata->clocks[index])) { in sysc_get_one_clock()
421 dev_err(ddata->dev, "clock get error for %s: %li\n", in sysc_get_one_clock()
422 name, PTR_ERR(ddata->clocks[index])); in sysc_get_one_clock()
424 return PTR_ERR(ddata->clocks[index]); in sysc_get_one_clock()
427 error = clk_prepare(ddata->clocks[index]); in sysc_get_one_clock()
429 dev_err(ddata->dev, "clock prepare error for %s: %i\n", in sysc_get_one_clock()
440 struct device_node *np = ddata->dev->of_node; in sysc_get_clocks()
445 ddata->clock_roles = devm_kcalloc(ddata->dev, in sysc_get_clocks()
447 sizeof(*ddata->clock_roles), in sysc_get_clocks()
449 if (!ddata->clock_roles) in sysc_get_clocks()
450 return -ENOMEM; in sysc_get_clocks()
452 of_property_for_each_string(np, "clock-names", prop, name) { in sysc_get_clocks()
457 ddata->clock_roles[ddata->nr_clocks] = name; in sysc_get_clocks()
458 ddata->nr_clocks++; in sysc_get_clocks()
461 if (ddata->nr_clocks < 1) in sysc_get_clocks()
464 if ((ddata->cfg.quirks & SYSC_QUIRK_EXT_OPT_CLOCK)) { in sysc_get_clocks()
470 if (ddata->nr_clocks > SYSC_MAX_CLOCKS) { in sysc_get_clocks()
471 dev_err(ddata->dev, "too many clocks for %pOF\n", np); in sysc_get_clocks()
473 return -EINVAL; in sysc_get_clocks()
477 dev_err(ddata->dev, "max one fck and ick for %pOF\n", np); in sysc_get_clocks()
479 return -EINVAL; in sysc_get_clocks()
484 ddata->nr_clocks++; in sysc_get_clocks()
486 ddata->nr_clocks++; in sysc_get_clocks()
488 ddata->clocks = devm_kcalloc(ddata->dev, in sysc_get_clocks()
489 ddata->nr_clocks, sizeof(*ddata->clocks), in sysc_get_clocks()
491 if (!ddata->clocks) in sysc_get_clocks()
492 return -ENOMEM; in sysc_get_clocks()
495 const char *name = ddata->clock_roles[i]; in sysc_get_clocks()
513 if (!ddata->clocks) in sysc_enable_main_clocks()
517 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
531 for (i--; i >= 0; i--) { in sysc_enable_main_clocks()
532 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
549 if (!ddata->clocks) in sysc_disable_main_clocks()
553 clock = ddata->clocks[i]; in sysc_disable_main_clocks()
566 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_enable_opt_clocks()
570 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
584 for (i--; i >= 0; i--) { in sysc_enable_opt_clocks()
585 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
600 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_disable_opt_clocks()
604 clock = ddata->clocks[i]; in sysc_disable_opt_clocks()
618 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_deny_idle()
621 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_deny_idle()
622 if (pdata && pdata->clkdm_deny_idle) in sysc_clkdm_deny_idle()
623 pdata->clkdm_deny_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_deny_idle()
630 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_allow_idle()
633 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_allow_idle()
634 if (pdata && pdata->clkdm_allow_idle) in sysc_clkdm_allow_idle()
635 pdata->clkdm_allow_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_allow_idle()
639 * sysc_init_resets - init rstctrl reset line if configured
646 ddata->rsts = in sysc_init_resets()
647 devm_reset_control_get_optional_shared(ddata->dev, "rstctrl"); in sysc_init_resets()
649 return PTR_ERR_OR_ZERO(ddata->rsts); in sysc_init_resets()
653 * sysc_parse_and_check_child_range - parses module IO region from ranges
663 struct device_node *np = ddata->dev->of_node; in sysc_parse_and_check_child_range()
673 ddata->module_pa = range.cpu_addr; in sysc_parse_and_check_child_range()
674 ddata->module_size = range.size; in sysc_parse_and_check_child_range()
698 uart = of_get_property(np, "stdout-path", NULL); in sysc_init_stdout_path()
711 stdout_path = ERR_PTR(-ENODEV); in sysc_init_stdout_path()
721 ddata->cfg.quirks |= SYSC_QUIRK_NO_IDLE_ON_INIT | in sysc_check_quirk_stdout()
726 * sysc_check_one_child - check child configuration
741 dev_warn(ddata->dev, "really a child ti,hwmods property?"); in sysc_check_one_child()
751 for_each_child_of_node(ddata->dev->of_node, child) in sysc_check_children()
756 * So far only I2C uses 16-bit read access with clockactivity with revision
764 ddata->cfg.quirks |= SYSC_QUIRK_16BIT | SYSC_QUIRK_USE_CLOCKACT; in sysc_check_quirk_16bit()
768 * sysc_parse_one - parses the interconnect target module registers
784 return -EINVAL; in sysc_parse_one()
787 res = platform_get_resource_byname(to_platform_device(ddata->dev), in sysc_parse_one()
790 ddata->offsets[reg] = -ENODEV; in sysc_parse_one()
795 ddata->offsets[reg] = res->start - ddata->module_pa; in sysc_parse_one()
816 * sysc_check_registers - check for misconfigured register overlaps
824 if (ddata->offsets[i] < 0) in sysc_check_registers()
827 if (ddata->offsets[i] > (ddata->module_size - 4)) { in sysc_check_registers()
828 dev_err(ddata->dev, "register outside module range"); in sysc_check_registers()
830 return -EINVAL; in sysc_check_registers()
834 if (ddata->offsets[j] < 0) in sysc_check_registers()
837 if (ddata->offsets[i] == ddata->offsets[j]) in sysc_check_registers()
844 dev_err(ddata->dev, "overlapping registers: (%i/%i)", in sysc_check_registers()
847 return -EINVAL; in sysc_check_registers()
854 * sysc_ioremap - ioremap register space for the interconnect target module
868 if (ddata->offsets[SYSC_REVISION] < 0 && in sysc_ioremap()
869 ddata->offsets[SYSC_SYSCONFIG] < 0 && in sysc_ioremap()
870 ddata->offsets[SYSC_SYSSTATUS] < 0) { in sysc_ioremap()
871 size = ddata->module_size; in sysc_ioremap()
873 size = max3(ddata->offsets[SYSC_REVISION], in sysc_ioremap()
874 ddata->offsets[SYSC_SYSCONFIG], in sysc_ioremap()
875 ddata->offsets[SYSC_SYSSTATUS]); in sysc_ioremap()
880 if ((size + sizeof(u32)) > ddata->module_size) in sysc_ioremap()
881 size = ddata->module_size; in sysc_ioremap()
884 ddata->module_va = devm_ioremap(ddata->dev, in sysc_ioremap()
885 ddata->module_pa, in sysc_ioremap()
887 if (!ddata->module_va) in sysc_ioremap()
888 return -EIO; in sysc_ioremap()
894 * sysc_map_and_check_registers - ioremap and check device registers
899 struct device_node *np = ddata->dev->of_node; in sysc_map_and_check_registers()
927 * sysc_show_rev - read and show interconnect target module revision
935 if (ddata->offsets[SYSC_REVISION] < 0) in sysc_show_rev()
938 len = sprintf(bufp, ":%08x", ddata->revision); in sysc_show_rev()
946 if (ddata->offsets[reg] < 0) in sysc_show_reg()
949 return sprintf(bufp, ":%x", ddata->offsets[reg]); in sysc_show_reg()
954 if (!ddata->name) in sysc_show_name()
957 return sprintf(bufp, ":%s", ddata->name); in sysc_show_name()
961 * sysc_show_registers - show information about interconnect target module
976 dev_dbg(ddata->dev, "%llx:%x%s\n", in sysc_show_registers()
977 ddata->module_pa, ddata->module_size, in sysc_show_registers()
982 * sysc_write_sysconfig - handle sysconfig quirks for register write
988 if (ddata->module_unlock_quirk) in sysc_write_sysconfig()
989 ddata->module_unlock_quirk(ddata); in sysc_write_sysconfig()
991 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], value); in sysc_write_sysconfig()
993 if (ddata->module_lock_quirk) in sysc_write_sysconfig()
994 ddata->module_lock_quirk(ddata); in sysc_write_sysconfig()
997 #define SYSC_IDLE_MASK (SYSC_NR_IDLEMODES - 1)
1014 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) { in sysc_enable_module()
1017 dev_err(ddata->dev, in sysc_enable_module()
1027 if (!(ddata->cfg.quirks & SYSC_MODULE_QUIRK_ENA_RESETDONE)) { in sysc_enable_module()
1030 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_enable_module()
1032 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) in sysc_enable_module()
1040 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_enable_module()
1043 regbits = ddata->cap->regbits; in sysc_enable_module()
1044 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1051 if (regbits->clkact_shift >= 0 && in sysc_enable_module()
1052 (ddata->cfg.quirks & SYSC_QUIRK_USE_CLOCKACT)) in sysc_enable_module()
1053 reg |= SYSC_CLOCACT_ICK << regbits->clkact_shift; in sysc_enable_module()
1056 idlemodes = ddata->cfg.sidlemodes; in sysc_enable_module()
1057 if (!idlemodes || regbits->sidle_shift < 0) in sysc_enable_module()
1060 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_SIDLE | in sysc_enable_module()
1065 if (regbits->enwkup_shift >= 0 && in sysc_enable_module()
1066 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1067 reg &= ~BIT(regbits->enwkup_shift); in sysc_enable_module()
1069 best_mode = fls(ddata->cfg.sidlemodes) - 1; in sysc_enable_module()
1072 return -EINVAL; in sysc_enable_module()
1076 if (regbits->enwkup_shift >= 0 && in sysc_enable_module()
1077 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1078 reg |= BIT(regbits->enwkup_shift); in sysc_enable_module()
1081 reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift); in sysc_enable_module()
1082 reg |= best_mode << regbits->sidle_shift; in sysc_enable_module()
1087 idlemodes = ddata->cfg.midlemodes; in sysc_enable_module()
1088 if (!idlemodes || regbits->midle_shift < 0) in sysc_enable_module()
1091 best_mode = fls(ddata->cfg.midlemodes) - 1; in sysc_enable_module()
1094 error = -EINVAL; in sysc_enable_module()
1098 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_MSTANDBY) in sysc_enable_module()
1101 reg &= ~(SYSC_IDLE_MASK << regbits->midle_shift); in sysc_enable_module()
1102 reg |= best_mode << regbits->midle_shift; in sysc_enable_module()
1107 if (regbits->autoidle_shift >= 0 && in sysc_enable_module()
1108 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) { in sysc_enable_module()
1109 reg |= 1 << regbits->autoidle_shift; in sysc_enable_module()
1117 ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1119 if (ddata->module_enable_quirk) in sysc_enable_module()
1120 ddata->module_enable_quirk(ddata); in sysc_enable_module()
1134 return -EINVAL; in sysc_best_idle_mode()
1148 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_disable_module()
1151 if (ddata->module_disable_quirk) in sysc_disable_module()
1152 ddata->module_disable_quirk(ddata); in sysc_disable_module()
1154 regbits = ddata->cap->regbits; in sysc_disable_module()
1155 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1158 idlemodes = ddata->cfg.midlemodes; in sysc_disable_module()
1159 if (!idlemodes || regbits->midle_shift < 0) in sysc_disable_module()
1168 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_MSTANDBY) || in sysc_disable_module()
1169 ddata->cfg.quirks & (SYSC_QUIRK_FORCE_MSTANDBY)) in sysc_disable_module()
1172 reg &= ~(SYSC_IDLE_MASK << regbits->midle_shift); in sysc_disable_module()
1173 reg |= best_mode << regbits->midle_shift; in sysc_disable_module()
1178 idlemodes = ddata->cfg.sidlemodes; in sysc_disable_module()
1179 if (!idlemodes || regbits->sidle_shift < 0) { in sysc_disable_module()
1184 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE) { in sysc_disable_module()
1190 ret = -EINVAL; in sysc_disable_module()
1195 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE_ACT) { in sysc_disable_module()
1197 if (regbits->enwkup_shift >= 0 && in sysc_disable_module()
1198 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_disable_module()
1199 reg |= BIT(regbits->enwkup_shift); in sysc_disable_module()
1202 reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift); in sysc_disable_module()
1203 reg |= best_mode << regbits->sidle_shift; in sysc_disable_module()
1204 if (regbits->autoidle_shift >= 0 && in sysc_disable_module()
1205 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) in sysc_disable_module()
1206 reg |= 1 << regbits->autoidle_shift; in sysc_disable_module()
1213 ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1224 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_suspend_legacy()
1228 if (!pdata->idle_module) in sysc_runtime_suspend_legacy()
1229 return -ENODEV; in sysc_runtime_suspend_legacy()
1231 error = pdata->idle_module(dev, &ddata->cookie); in sysc_runtime_suspend_legacy()
1236 reset_control_assert(ddata->rsts); in sysc_runtime_suspend_legacy()
1247 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_resume_legacy()
1251 if (!pdata->enable_module) in sysc_runtime_resume_legacy()
1252 return -ENODEV; in sysc_runtime_resume_legacy()
1254 error = pdata->enable_module(dev, &ddata->cookie); in sysc_runtime_resume_legacy()
1259 reset_control_deassert(ddata->rsts); in sysc_runtime_resume_legacy()
1271 if (!ddata->enabled) in sysc_runtime_suspend()
1276 if (ddata->legacy_mode) { in sysc_runtime_suspend()
1291 ddata->enabled = false; in sysc_runtime_suspend()
1296 reset_control_assert(ddata->rsts); in sysc_runtime_suspend()
1308 if (ddata->enabled) in sysc_runtime_resume()
1324 reset_control_deassert(ddata->rsts); in sysc_runtime_resume()
1326 if (ddata->legacy_mode) { in sysc_runtime_resume()
1336 ddata->enabled = true; in sysc_runtime_resume()
1365 if (!ddata->enabled) in sysc_check_context()
1366 return -ENODATA; in sysc_check_context()
1368 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_check_context()
1369 if (reg == ddata->sysconfig) in sysc_check_context()
1372 return -EACCES; in sysc_check_context()
1377 struct device *dev = ddata->dev; in sysc_reinit_module()
1380 if (ddata->enabled) { in sysc_reinit_module()
1398 if (ddata->cfg.quirks & SYSC_QUIRK_RESET_ON_CTX_LOST) { in sysc_reinit_module()
1403 sysc_write_sysconfig(ddata, ddata->sysconfig); in sysc_reinit_module()
1423 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in sysc_noirq_suspend()
1426 if (!ddata->enabled) in sysc_noirq_suspend()
1429 ddata->needs_resume = 1; in sysc_noirq_suspend()
1441 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in sysc_noirq_resume()
1444 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_RESUME) { in sysc_noirq_resume()
1445 error = sysc_reinit_module(ddata, ddata->needs_resume); in sysc_noirq_resume()
1448 } else if (ddata->needs_resume) { in sysc_noirq_resume()
1454 ddata->needs_resume = 0; in sysc_noirq_resume()
1493 SYSC_QUIRK("mcpdm", 0x40132000, 0, 0x10, -ENODEV, 0x50000800, 0xffffffff,
1498 SYSC_QUIRK("aess", 0, 0, 0x10, -ENODEV, 0x40000000, 0xffffffff,
1501 SYSC_QUIRK("dcan", 0x4ae3c000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff,
1503 SYSC_QUIRK("dcan", 0x48480000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff,
1507 SYSC_QUIRK("dss", 0x58000000, 0, -ENODEV, 0x14, 0x00000040, 0xffffffff,
1509 SYSC_QUIRK("dss", 0x58000000, 0, -ENODEV, 0x14, 0x00000061, 0xffffffff,
1511 SYSC_QUIRK("dwc3", 0x48880000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
1513 SYSC_QUIRK("dwc3", 0x488c0000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
1520 SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50030200, 0xffffffff,
1534 SYSC_QUIRK("gpu", 0x50000000, 0x14, -ENODEV, -ENODEV, 0x00010201, 0xffffffff, 0),
1535 SYSC_QUIRK("gpu", 0x50000000, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff,
1537 SYSC_QUIRK("lcdc", 0, 0, 0x54, -ENODEV, 0x4f201000, 0xffffffff,
1539 SYSC_QUIRK("mcasp", 0, 0, 0x4, -ENODEV, 0x44306302, 0xffffffff,
1541 SYSC_QUIRK("rtc", 0, 0x74, 0x78, -ENODEV, 0x4eb01908, 0xffff00f0,
1543 SYSC_QUIRK("tptc", 0, 0, 0x10, -ENODEV, 0x40006c00, 0xffffefff,
1545 SYSC_QUIRK("tptc", 0, 0, -ENODEV, -ENODEV, 0x40007c00, 0xffffffff,
1547 SYSC_QUIRK("sata", 0, 0xfc, 0x1100, -ENODEV, 0x5e412000, 0xffffffff,
1562 SYSC_QUIRK("usb_host_hs", 0, 0, 0x10, -ENODEV, 0x50700101, 0xffffffff,
1573 SYSC_QUIRK("usb_otg_hs", 0, 0, 0x10, -ENODEV, 0x4ea2080d, 0xffffffff,
1576 SYSC_QUIRK("wdt", 0, 0, 0x10, 0x14, 0x502a0500, 0xfffff0f0,
1579 SYSC_QUIRK("pruss", 0, 0x26000, 0x26004, -ENODEV, 0x47000000, 0xff000000,
1582 SYSC_QUIRK("wdt", 0x44e35000, 0, 0x10, 0x14, 0x502a0500, 0xfffff0f0,
1586 SYSC_QUIRK("adc", 0, 0, 0x10, -ENODEV, 0x47300001, 0xffffffff, 0),
1587 SYSC_QUIRK("atl", 0, 0, -ENODEV, -ENODEV, 0x0a070100, 0xffffffff, 0),
1588 SYSC_QUIRK("cm", 0, 0, -ENODEV, -ENODEV, 0x40000301, 0xffffffff, 0),
1589 SYSC_QUIRK("control", 0, 0, 0x10, -ENODEV, 0x40000900, 0xffffffff, 0),
1592 SYSC_QUIRK("dcan", 0, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff, 0),
1593 SYSC_QUIRK("dcan", 0, 0x20, -ENODEV, -ENODEV, 0x4edb1902, 0xffffffff, 0),
1597 SYSC_QUIRK("dmic", 0, 0, 0x10, -ENODEV, 0x50010000, 0xffffffff, 0),
1602 SYSC_QUIRK("dwc3", 0, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff, 0),
1606 SYSC_QUIRK("emif", 0, 0, -ENODEV, -ENODEV, 0x40441403, 0xffff0fff, 0),
1607 SYSC_QUIRK("emif", 0, 0, -ENODEV, -ENODEV, 0x50440500, 0xffffffff, 0),
1608 SYSC_QUIRK("epwmss", 0, 0, 0x4, -ENODEV, 0x47400001, 0xffffffff, 0),
1609 SYSC_QUIRK("gpu", 0, 0x1fc00, 0x1fc10, -ENODEV, 0, 0, 0),
1610 SYSC_QUIRK("gpu", 0, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff, 0),
1611 SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50031d00, 0xffffffff, 0),
1613 SYSC_QUIRK("iss", 0, 0, 0x10, -ENODEV, 0x40000101, 0xffffffff, 0),
1615 SYSC_QUIRK("mcasp", 0, 0, 0x4, -ENODEV, 0x44307b02, 0xffffffff, 0),
1616 SYSC_QUIRK("mcbsp", 0, -ENODEV, 0x8c, -ENODEV, 0, 0, 0),
1617 SYSC_QUIRK("mcspi", 0, 0, 0x10, -ENODEV, 0x40300a0b, 0xffff00ff, 0),
1619 SYSC_QUIRK("mailbox", 0, 0, 0x10, -ENODEV, 0x00000400, 0xffffffff, 0),
1620 SYSC_QUIRK("m3", 0, 0, -ENODEV, -ENODEV, 0x5f580105, 0x0fff0f00, 0),
1622 SYSC_QUIRK("ocp2scp", 0, 0, -ENODEV, -ENODEV, 0x50060007, 0xffffffff, 0),
1623 SYSC_QUIRK("padconf", 0, 0, 0x10, -ENODEV, 0x4fff0800, 0xffffffff, 0),
1624 SYSC_QUIRK("padconf", 0, 0, -ENODEV, -ENODEV, 0x40001100, 0xffffffff, 0),
1625 SYSC_QUIRK("pcie", 0x51000000, -ENODEV, -ENODEV, -ENODEV, 0, 0, 0),
1626 SYSC_QUIRK("pcie", 0x51800000, -ENODEV, -ENODEV, -ENODEV, 0, 0, 0),
1627 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x40000100, 0xffffffff, 0),
1628 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x00004102, 0xffffffff, 0),
1629 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x40000400, 0xffffffff, 0),
1632 SYSC_QUIRK("scm", 0, 0, 0x10, -ENODEV, 0x40000900, 0xffffffff, 0),
1633 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4e8b0100, 0xffffffff, 0),
1634 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4f000100, 0xffffffff, 0),
1635 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x40000900, 0xffffffff, 0),
1636 SYSC_QUIRK("scrm", 0, 0, -ENODEV, -ENODEV, 0x00000010, 0xffffffff, 0),
1637 SYSC_QUIRK("sdio", 0, 0, 0x10, -ENODEV, 0x40202301, 0xffff0ff0, 0),
1641 SYSC_QUIRK("slimbus", 0, 0, 0x10, -ENODEV, 0x40000902, 0xffffffff, 0),
1642 SYSC_QUIRK("slimbus", 0, 0, 0x10, -ENODEV, 0x40002903, 0xffffffff, 0),
1643 SYSC_QUIRK("smartreflex", 0, -ENODEV, 0x24, -ENODEV, 0x00000000, 0xffffffff, 0),
1644 SYSC_QUIRK("smartreflex", 0, -ENODEV, 0x38, -ENODEV, 0x00000000, 0xffffffff, 0),
1645 SYSC_QUIRK("spinlock", 0, 0, 0x10, -ENODEV, 0x50020000, 0xffffffff, 0),
1646 SYSC_QUIRK("rng", 0, 0x1fe0, 0x1fe4, -ENODEV, 0x00000020, 0xffffffff, 0),
1650 SYSC_QUIRK("timer", 0, 0, 0x10, -ENODEV, 0x50002100, 0xffffffff, 0),
1651 SYSC_QUIRK("timer", 0, 0, 0x10, -ENODEV, 0x4fff1301, 0xffff00ff, 0),
1652 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000040, 0xffffffff, 0),
1653 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000011, 0xffffffff, 0),
1654 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000060, 0xffffffff, 0),
1655 SYSC_QUIRK("tpcc", 0, 0, -ENODEV, -ENODEV, 0x40014c00, 0xffffffff, 0),
1658 SYSC_QUIRK("venc", 0x58003000, 0, -ENODEV, -ENODEV, 0x00000002, 0xffffffff, 0),
1659 SYSC_QUIRK("vfpe", 0, 0, 0x104, -ENODEV, 0x4d001200, 0xffffffff, 0),
1675 if (!q->base) in sysc_init_early_quirks()
1678 if (q->base != ddata->module_pa) in sysc_init_early_quirks()
1681 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_early_quirks()
1684 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_early_quirks()
1687 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_early_quirks()
1690 ddata->name = q->name; in sysc_init_early_quirks()
1691 ddata->cfg.quirks |= q->quirks; in sysc_init_early_quirks()
1704 if (q->base && q->base != ddata->module_pa) in sysc_init_revision_quirks()
1707 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_revision_quirks()
1710 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_revision_quirks()
1713 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_revision_quirks()
1716 if (q->revision == ddata->revision || in sysc_init_revision_quirks()
1717 (q->revision & q->revision_mask) == in sysc_init_revision_quirks()
1718 (ddata->revision & q->revision_mask)) { in sysc_init_revision_quirks()
1719 ddata->name = q->name; in sysc_init_revision_quirks()
1720 ddata->cfg.quirks |= q->quirks; in sysc_init_revision_quirks()
1728 * dispc init rather than top-level DSS init.
1739 switch (sysc_soc->soc) { in sysc_quirk_dispc()
1761 devm_iounmap(ddata->dev, ddata->module_va); in sysc_quirk_dispc()
1762 ddata->module_va = devm_ioremap(ddata->dev, in sysc_quirk_dispc()
1763 ddata->module_pa, in sysc_quirk_dispc()
1764 ddata->module_size); in sysc_quirk_dispc()
1765 if (!ddata->module_va) in sysc_quirk_dispc()
1766 return -EIO; in sysc_quirk_dispc()
1830 error = readl_poll_timeout(ddata->module_va + dispc_offset + 0x18, in sysc_pre_reset_quirk_dss()
1833 dev_warn(ddata->dev, "%s: timed out %08x !+ %08x\n", in sysc_pre_reset_quirk_dss()
1836 if (sysc_soc->soc == SOC_3430 || sysc_soc->soc == SOC_AM35) { in sysc_pre_reset_quirk_dss()
1848 /* 1-wire needs module's internal clocks enabled for reset */
1874 if ((ddata->revision & 0xffffff00) == 0x001f0000) in sysc_clk_quirk_i2c()
1912 error = readl_poll_timeout_atomic(ddata->module_va + 0x44, val, in sysc_quirk_rtc()
1915 dev_warn(ddata->dev, "rtc busy timeout\n"); in sysc_quirk_rtc()
1967 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
1971 dev_warn(ddata->dev, "wdt disable step1 failed\n"); in sysc_reset_done_quirk_wdt()
1974 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
1978 dev_warn(ddata->dev, "wdt disable step2 failed\n"); in sysc_reset_done_quirk_wdt()
1986 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_module_disable_quirk_pruss()
1988 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg); in sysc_module_disable_quirk_pruss()
1995 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_module_enable_quirk_pruss()
1998 * Clearing the SYSC_PRUSS_STANDBY_INIT bit - Updates OCP master in sysc_module_enable_quirk_pruss()
2000 * PRU-ICSS subsystem. in sysc_module_enable_quirk_pruss()
2003 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg); in sysc_module_enable_quirk_pruss()
2008 if (ddata->legacy_mode || !ddata->name) in sysc_init_module_quirks()
2011 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_HDQ1W) { in sysc_init_module_quirks()
2012 ddata->pre_reset_quirk = sysc_pre_reset_quirk_hdq1w; in sysc_init_module_quirks()
2018 if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) { in sysc_init_module_quirks()
2019 ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT; in sysc_init_module_quirks()
2025 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) { in sysc_init_module_quirks()
2026 ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c; in sysc_init_module_quirks()
2027 ddata->post_reset_quirk = sysc_post_reset_quirk_i2c; in sysc_init_module_quirks()
2032 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_AESS) in sysc_init_module_quirks()
2033 ddata->module_enable_quirk = sysc_module_enable_quirk_aess; in sysc_init_module_quirks()
2035 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_DSS_RESET) in sysc_init_module_quirks()
2036 ddata->pre_reset_quirk = sysc_pre_reset_quirk_dss; in sysc_init_module_quirks()
2038 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_RTC_UNLOCK) { in sysc_init_module_quirks()
2039 ddata->module_unlock_quirk = sysc_module_unlock_quirk_rtc; in sysc_init_module_quirks()
2040 ddata->module_lock_quirk = sysc_module_lock_quirk_rtc; in sysc_init_module_quirks()
2045 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_OTG) { in sysc_init_module_quirks()
2046 ddata->module_enable_quirk = sysc_module_enable_quirk_otg; in sysc_init_module_quirks()
2047 ddata->module_disable_quirk = sysc_module_disable_quirk_otg; in sysc_init_module_quirks()
2050 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_SGX) in sysc_init_module_quirks()
2051 ddata->module_enable_quirk = sysc_module_enable_quirk_sgx; in sysc_init_module_quirks()
2053 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_WDT) { in sysc_init_module_quirks()
2054 ddata->reset_done_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2055 ddata->module_disable_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2058 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_PRUSS) { in sysc_init_module_quirks()
2059 ddata->module_enable_quirk = sysc_module_enable_quirk_pruss; in sysc_init_module_quirks()
2060 ddata->module_disable_quirk = sysc_module_disable_quirk_pruss; in sysc_init_module_quirks()
2066 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_clockdomain_init()
2070 if (!pdata || !pdata->init_clockdomain) in sysc_clockdomain_init()
2073 switch (ddata->nr_clocks) { in sysc_clockdomain_init()
2075 ick = ddata->clocks[SYSC_ICK]; in sysc_clockdomain_init()
2078 fck = ddata->clocks[SYSC_FCK]; in sysc_clockdomain_init()
2084 error = pdata->init_clockdomain(ddata->dev, fck, ick, &ddata->cookie); in sysc_clockdomain_init()
2085 if (!error || error == -ENODEV) in sysc_clockdomain_init()
2092 * Note that pdata->init_module() typically does a reset first. After
2093 * pdata->init_module() is done, PM runtime can be used for the interconnect
2098 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_legacy_init()
2101 if (!pdata || !pdata->init_module) in sysc_legacy_init()
2104 error = pdata->init_module(ddata->dev, ddata->mdata, &ddata->cookie); in sysc_legacy_init()
2105 if (error == -EEXIST) in sysc_legacy_init()
2120 sysc_offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_reset()
2122 if (ddata->legacy_mode || in sysc_reset()
2123 ddata->cap->regbits->srst_shift < 0) in sysc_reset()
2126 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_reset()
2128 if (ddata->pre_reset_quirk) in sysc_reset()
2129 ddata->pre_reset_quirk(ddata); in sysc_reset()
2141 if (ddata->cfg.srst_udelay) in sysc_reset()
2142 fsleep(ddata->cfg.srst_udelay); in sysc_reset()
2152 if (ddata->post_reset_quirk) in sysc_reset()
2153 ddata->post_reset_quirk(ddata); in sysc_reset()
2157 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_reset()
2159 if (ddata->reset_done_quirk) in sysc_reset()
2160 ddata->reset_done_quirk(ddata); in sysc_reset()
2193 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) { in sysc_init_module()
2194 error = reset_control_deassert(ddata->rsts); in sysc_init_module()
2200 ddata->revision = sysc_read_revision(ddata); in sysc_init_module()
2204 if (ddata->legacy_mode) { in sysc_init_module()
2210 if (!ddata->legacy_mode) { in sysc_init_module()
2211 error = sysc_enable_module(ddata->dev); in sysc_init_module()
2216 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) { in sysc_init_module()
2219 dev_err(ddata->dev, "Reset failed with %d\n", error); in sysc_init_module()
2221 if (error && !ddata->legacy_mode) in sysc_init_module()
2222 sysc_disable_module(ddata->dev); in sysc_init_module()
2229 /* No re-enable of clockdomain autoidle to prevent module autoidle */ in sysc_init_module()
2236 !(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_init_module()
2237 reset_control_assert(ddata->rsts); in sysc_init_module()
2244 struct device_node *np = ddata->dev->of_node; in sysc_init_sysc_mask()
2248 error = of_property_read_u32(np, "ti,sysc-mask", &val); in sysc_init_sysc_mask()
2252 ddata->cfg.sysc_val = val & ddata->cap->sysc_mask; in sysc_init_sysc_mask()
2260 struct device_node *np = ddata->dev->of_node; in sysc_init_idlemode()
2265 dev_err(ddata->dev, "invalid idlemode: %i\n", val); in sysc_init_idlemode()
2266 return -EINVAL; in sysc_init_idlemode()
2278 error = sysc_init_idlemode(ddata, &ddata->cfg.midlemodes, in sysc_init_idlemodes()
2279 "ti,sysc-midle"); in sysc_init_idlemodes()
2283 error = sysc_init_idlemode(ddata, &ddata->cfg.sidlemodes, in sysc_init_idlemodes()
2284 "ti,sysc-sidle"); in sysc_init_idlemodes()
2300 struct device_node *np = ddata->dev->of_node; in sysc_init_syss_mask()
2304 error = of_property_read_u32(np, "ti,syss-mask", &val); in sysc_init_syss_mask()
2306 if ((ddata->cap->type == TI_SYSC_OMAP4 || in sysc_init_syss_mask()
2307 ddata->cap->type == TI_SYSC_OMAP4_TIMER) && in sysc_init_syss_mask()
2308 (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2309 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2314 if (!(val & 1) && (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2315 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2317 ddata->cfg.syss_mask = val; in sysc_init_syss_mask()
2339 error = -EEXIST; in sysc_child_add_named_clock()
2343 clk = clk_get(ddata->dev, name); in sysc_child_add_named_clock()
2345 return -ENODEV; in sysc_child_add_named_clock()
2349 error = -ENOMEM; in sysc_child_add_named_clock()
2361 for (i = 0; i < ddata->nr_clocks; i++) { in sysc_child_add_clocks()
2364 ddata->clock_roles[i]); in sysc_child_add_clocks()
2365 if (error && error != -EEXIST) { in sysc_child_add_clocks()
2366 dev_err(ddata->dev, "could not add child clock %s: %i\n", in sysc_child_add_clocks()
2367 ddata->clock_roles[i], error); in sysc_child_add_clocks()
2381 struct device *parent = dev->parent; in sysc_child_to_parent()
2383 if (!parent || parent->type != &sysc_device_type) in sysc_child_to_parent()
2400 if (!ddata->enabled) in sysc_child_runtime_suspend()
2403 return sysc_runtime_suspend(ddata->dev); in sysc_child_runtime_suspend()
2413 if (!ddata->enabled) { in sysc_child_runtime_resume()
2414 error = sysc_runtime_resume(ddata->dev); in sysc_child_runtime_resume()
2416 dev_err(ddata->dev, in sysc_child_runtime_resume()
2429 list_for_each_entry(module, &sysc_soc->restored_modules, node) { in sysc_reinit_modules()
2430 ddata = module->ddata; in sysc_reinit_modules()
2431 sysc_reinit_module(ddata, ddata->enabled); in sysc_reinit_modules()
2436 * sysc_context_notifier - optionally reset and restore module after idle
2466 * sysc_add_restored - optionally add reset and restore quirk hanlling
2477 restored_module->ddata = ddata; in sysc_add_restored()
2479 mutex_lock(&sysc_soc->list_lock); in sysc_add_restored()
2481 list_add(&restored_module->node, &sysc_soc->restored_modules); in sysc_add_restored()
2483 if (sysc_soc->nb.notifier_call) in sysc_add_restored()
2486 sysc_soc->nb.notifier_call = sysc_context_notifier; in sysc_add_restored()
2487 cpu_pm_register_notifier(&sysc_soc->nb); in sysc_add_restored()
2490 mutex_unlock(&sysc_soc->list_lock); in sysc_add_restored()
2528 { .name = "ti,no-idle-on-init",
2530 { .name = "ti,no-reset-on-init",
2532 { .name = "ti,no-idle",
2547 ddata->cfg.quirks |= sysc_dts_quirks[i].mask; in sysc_parse_dts_quirks()
2549 dev_warn(ddata->dev, in sysc_parse_dts_quirks()
2558 struct device_node *np = ddata->dev->of_node; in sysc_init_dts_quirks()
2562 ddata->legacy_mode = of_get_property(np, "ti,hwmods", NULL); in sysc_init_dts_quirks()
2565 error = of_property_read_u32(np, "ti,sysc-delay-us", &val); in sysc_init_dts_quirks()
2568 dev_warn(ddata->dev, "bad ti,sysc-delay-us: %i\n", in sysc_init_dts_quirks()
2572 ddata->cfg.srst_udelay = (u8)val; in sysc_init_dts_quirks()
2582 if (!ddata->clocks) in sysc_unprepare()
2586 if (!IS_ERR_OR_NULL(ddata->clocks[i])) in sysc_unprepare()
2587 clk_unprepare(ddata->clocks[i]); in sysc_unprepare()
2595 .dmadisable_shift = -ENODEV,
2624 * SHAM2 (SHA1/MD5) sysc found on omap3, a variant of sysc_regbits_omap2
2628 .dmadisable_shift = -ENODEV,
2629 .midle_shift = -ENODEV,
2631 .clkact_shift = -ENODEV,
2632 .enwkup_shift = -ENODEV,
2635 .emufree_shift = -ENODEV,
2645 * AES register bits found on omap3 and later, a variant of
2649 .dmadisable_shift = -ENODEV,
2650 .midle_shift = -ENODEV,
2652 .clkact_shift = -ENODEV,
2653 .enwkup_shift = -ENODEV,
2656 .emufree_shift = -ENODEV,
2672 .clkact_shift = -ENODEV,
2673 .enwkup_shift = -ENODEV,
2676 .autoidle_shift = -ENODEV,
2697 .dmadisable_shift = -ENODEV,
2700 .clkact_shift = -ENODEV,
2701 .enwkup_shift = -ENODEV,
2702 .srst_shift = -ENODEV,
2703 .emufree_shift = -ENODEV,
2704 .autoidle_shift = -ENODEV,
2716 .dmadisable_shift = -ENODEV,
2717 .midle_shift = -ENODEV,
2718 .sidle_shift = -ENODEV,
2720 .enwkup_shift = -ENODEV,
2721 .srst_shift = -ENODEV,
2722 .emufree_shift = -ENODEV,
2723 .autoidle_shift = -ENODEV,
2737 .dmadisable_shift = -ENODEV,
2738 .midle_shift = -ENODEV,
2740 .clkact_shift = -ENODEV,
2742 .srst_shift = -ENODEV,
2743 .emufree_shift = -ENODEV,
2744 .autoidle_shift = -ENODEV,
2763 .dmadisable_shift = -ENODEV,
2764 .midle_shift = -ENODEV,
2766 .clkact_shift = -ENODEV,
2767 .enwkup_shift = -ENODEV,
2768 .srst_shift = -ENODEV,
2769 .emufree_shift = -ENODEV,
2770 .autoidle_shift = -ENODEV,
2792 .dmadisable_shift = -ENODEV,
2793 .midle_shift = -ENODEV,
2795 .clkact_shift = -ENODEV,
2797 .srst_shift = -ENODEV,
2798 .emufree_shift = -ENODEV,
2799 .autoidle_shift = -ENODEV,
2809 .dmadisable_shift = -ENODEV,
2810 .midle_shift = -ENODEV,
2811 .sidle_shift = -ENODEV,
2812 .clkact_shift = -ENODEV,
2815 .emufree_shift = -ENODEV,
2816 .autoidle_shift = -ENODEV,
2838 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_init_pdata()
2844 mdata = devm_kzalloc(ddata->dev, sizeof(*mdata), GFP_KERNEL); in sysc_init_pdata()
2846 return -ENOMEM; in sysc_init_pdata()
2848 if (ddata->legacy_mode) { in sysc_init_pdata()
2849 mdata->name = ddata->legacy_mode; in sysc_init_pdata()
2850 mdata->module_pa = ddata->module_pa; in sysc_init_pdata()
2851 mdata->module_size = ddata->module_size; in sysc_init_pdata()
2852 mdata->offsets = ddata->offsets; in sysc_init_pdata()
2853 mdata->nr_offsets = SYSC_MAX_REGS; in sysc_init_pdata()
2854 mdata->cap = ddata->cap; in sysc_init_pdata()
2855 mdata->cfg = &ddata->cfg; in sysc_init_pdata()
2858 ddata->mdata = mdata; in sysc_init_pdata()
2867 cap = of_device_get_match_data(ddata->dev); in sysc_init_match()
2869 return -EINVAL; in sysc_init_match()
2871 ddata->cap = cap; in sysc_init_match()
2872 if (ddata->cap) in sysc_init_match()
2873 ddata->cfg.quirks |= ddata->cap->mod_quirks; in sysc_init_match()
2890 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in ti_sysc_idle()
2898 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in ti_sysc_idle()
2905 if (pm_runtime_active(ddata->dev)) in ti_sysc_idle()
2906 pm_runtime_put_sync(ddata->dev); in ti_sysc_idle()
2918 SOC_FLAG("OMAP3[45]*", SOC_3430),
2919 SOC_FLAG("OMAP3[67]*", SOC_3630),
2958 return -ENOMEM; in sysc_add_disabled()
2960 disabled_module->base = base; in sysc_add_disabled()
2962 mutex_lock(&sysc_soc->list_lock); in sysc_add_disabled()
2963 list_add(&disabled_module->node, &sysc_soc->disabled_modules); in sysc_add_disabled()
2964 mutex_unlock(&sysc_soc->list_lock); in sysc_add_disabled()
2973 * Note that we initialize static data shared across all ti-sysc instances
2989 return -ENOMEM; in sysc_init_static_data()
2991 mutex_init(&sysc_soc->list_lock); in sysc_init_static_data()
2992 INIT_LIST_HEAD(&sysc_soc->disabled_modules); in sysc_init_static_data()
2993 INIT_LIST_HEAD(&sysc_soc->restored_modules); in sysc_init_static_data()
2994 sysc_soc->general_purpose = true; in sysc_init_static_data()
2996 pdata = dev_get_platdata(ddata->dev); in sysc_init_static_data()
2997 if (pdata && pdata->soc_type_gp) in sysc_init_static_data()
2998 sysc_soc->general_purpose = pdata->soc_type_gp(); in sysc_init_static_data()
3001 if (match && match->data) in sysc_init_static_data()
3002 sysc_soc->soc = (enum sysc_soc)(uintptr_t)match->data; in sysc_init_static_data()
3006 * simple-pm-bus instead of simple-bus in the dtb for genpd using SoCs. in sysc_init_static_data()
3008 switch (sysc_soc->soc) { in sysc_init_static_data()
3015 WARN_ONCE(np && of_device_is_compatible(np, "simple-bus"), in sysc_init_static_data()
3016 "ti-sysc: Incomplete old dtb, please update\n"); in sysc_init_static_data()
3023 if (!sysc_soc->general_purpose) { in sysc_init_static_data()
3024 switch (sysc_soc->soc) { in sysc_init_static_data()
3040 if (match->data) in sysc_init_static_data()
3041 features = (unsigned long)match->data; in sysc_init_static_data()
3067 if (sysc_soc->nb.notifier_call) in sysc_cleanup_static_data()
3068 cpu_pm_unregister_notifier(&sysc_soc->nb); in sysc_cleanup_static_data()
3070 mutex_lock(&sysc_soc->list_lock); in sysc_cleanup_static_data()
3071 list_for_each_safe(pos, tmp, &sysc_soc->restored_modules) { in sysc_cleanup_static_data()
3076 list_for_each_safe(pos, tmp, &sysc_soc->disabled_modules) { in sysc_cleanup_static_data()
3081 mutex_unlock(&sysc_soc->list_lock); in sysc_cleanup_static_data()
3089 mutex_lock(&sysc_soc->list_lock); in sysc_check_disabled_devices()
3090 list_for_each_entry(disabled_module, &sysc_soc->disabled_modules, node) { in sysc_check_disabled_devices()
3091 if (ddata->module_pa == disabled_module->base) { in sysc_check_disabled_devices()
3092 dev_dbg(ddata->dev, "module disabled for this SoC\n"); in sysc_check_disabled_devices()
3093 error = -ENODEV; in sysc_check_disabled_devices()
3097 mutex_unlock(&sysc_soc->list_lock); in sysc_check_disabled_devices()
3103 * Ignore timers tagged with no-reset and no-idle. These are likely in use,
3104 * for example by drivers/clocksource/timer-ti-dm-systimer.c. If more checks
3111 if (ddata->cap->type != TI_SYSC_OMAP2_TIMER && in sysc_check_active_timer()
3112 ddata->cap->type != TI_SYSC_OMAP4_TIMER) in sysc_check_active_timer()
3116 * Quirk for omap3 beagleboard revision A to B4 to use gpt12. in sysc_check_active_timer()
3122 switch (sysc_soc->soc) { in sysc_check_active_timer()
3126 error = -ENXIO; in sysc_check_active_timer()
3129 error = -EBUSY; in sysc_check_active_timer()
3132 if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) && in sysc_check_active_timer()
3133 (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE)) in sysc_check_active_timer()
3140 { .compatible = "simple-bus", },
3146 struct ti_sysc_platform_data *pdata = dev_get_platdata(&pdev->dev); in sysc_probe()
3150 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); in sysc_probe()
3152 return -ENOMEM; in sysc_probe()
3154 ddata->offsets[SYSC_REVISION] = -ENODEV; in sysc_probe()
3155 ddata->offsets[SYSC_SYSCONFIG] = -ENODEV; in sysc_probe()
3156 ddata->offsets[SYSC_SYSSTATUS] = -ENODEV; in sysc_probe()
3157 ddata->dev = &pdev->dev; in sysc_probe()
3199 if (error == -ENXIO) in sysc_probe()
3200 ddata->reserved = true; in sysc_probe()
3216 pm_runtime_enable(ddata->dev); in sysc_probe()
3217 error = pm_runtime_resume_and_get(ddata->dev); in sysc_probe()
3219 pm_runtime_disable(ddata->dev); in sysc_probe()
3224 if (!(ddata->cfg.quirks & in sysc_probe()
3231 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_probe()
3232 reset_control_assert(ddata->rsts); in sysc_probe()
3236 ddata->dev->type = &sysc_device_type; in sysc_probe()
3238 if (!ddata->reserved) { in sysc_probe()
3239 error = of_platform_populate(ddata->dev->of_node, in sysc_probe()
3241 pdata ? pdata->auxdata : NULL, in sysc_probe()
3242 ddata->dev); in sysc_probe()
3247 INIT_DELAYED_WORK(&ddata->idle_work, ti_sysc_idle); in sysc_probe()
3250 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in sysc_probe()
3253 schedule_delayed_work(&ddata->idle_work, 3000); in sysc_probe()
3255 pm_runtime_put(&pdev->dev); in sysc_probe()
3258 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_CTX_LOST) in sysc_probe()
3264 pm_runtime_put_sync(&pdev->dev); in sysc_probe()
3265 pm_runtime_disable(&pdev->dev); in sysc_probe()
3278 if (cancel_delayed_work_sync(&ddata->idle_work)) in sysc_remove()
3279 ti_sysc_idle(&ddata->idle_work.work); in sysc_remove()
3281 error = pm_runtime_resume_and_get(ddata->dev); in sysc_remove()
3283 pm_runtime_disable(ddata->dev); in sysc_remove()
3287 of_platform_depopulate(&pdev->dev); in sysc_remove()
3289 pm_runtime_put_sync(&pdev->dev); in sysc_remove()
3290 pm_runtime_disable(&pdev->dev); in sysc_remove()
3292 if (!reset_control_status(ddata->rsts)) in sysc_remove()
3293 reset_control_assert(ddata->rsts); in sysc_remove()
3300 { .compatible = "ti,sysc-omap2", .data = &sysc_omap2, },
3301 { .compatible = "ti,sysc-omap2-timer", .data = &sysc_omap2_timer, },
3302 { .compatible = "ti,sysc-omap4", .data = &sysc_omap4, },
3303 { .compatible = "ti,sysc-omap4-timer", .data = &sysc_omap4_timer, },
3304 { .compatible = "ti,sysc-omap4-simple", .data = &sysc_omap4_simple, },
3305 { .compatible = "ti,sysc-omap3430-sr", .data = &sysc_34xx_sr, },
3306 { .compatible = "ti,sysc-omap3630-sr", .data = &sysc_36xx_sr, },
3307 { .compatible = "ti,sysc-omap4-sr", .data = &sysc_omap4_sr, },
3308 { .compatible = "ti,sysc-omap3-sham", .data = &sysc_omap3_sham, },
3309 { .compatible = "ti,sysc-omap-aes", .data = &sysc_omap3_aes, },
3310 { .compatible = "ti,sysc-mcasp", .data = &sysc_omap4_mcasp, },
3311 { .compatible = "ti,sysc-dra7-mcasp", .data = &sysc_dra7_mcasp, },
3312 { .compatible = "ti,sysc-usb-host-fs",
3314 { .compatible = "ti,sysc-dra7-mcan", .data = &sysc_dra7_mcan, },
3315 { .compatible = "ti,sysc-pruss", .data = &sysc_pruss, },
3324 .name = "ti-sysc",