Lines Matching +full:sdma +full:- +full:event +full:- +full:remap
1 // SPDX-License-Identifier: GPL-2.0
3 * ti-sysc.c - Texas Instruments sysc interconnect target driver
24 #include <linux/platform_data/ti-sysc.h>
26 #include <dt-bindings/bus/ti-sysc.h>
96 * struct sysc - TI sysc interconnect target module registers and capabilities
102 * @mdata: ti-sysc to hwmod translation data for a module
120 * @pre_reset_quirk: module specific pre-reset quirk
121 * @post_reset_quirk: module specific post-reset quirk
166 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_write()
167 writew_relaxed(value & 0xffff, ddata->module_va + offset); in sysc_write()
170 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_write()
171 offset == ddata->offsets[SYSC_REVISION]) { in sysc_write()
174 writew_relaxed(hi, ddata->module_va + offset + 4); in sysc_write()
180 writel_relaxed(value, ddata->module_va + offset); in sysc_write()
185 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_read()
188 val = readw_relaxed(ddata->module_va + offset); in sysc_read()
191 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_read()
192 offset == ddata->offsets[SYSC_REVISION]) { in sysc_read()
193 u16 tmp = readw_relaxed(ddata->module_va + offset + 4); in sysc_read()
201 return readl_relaxed(ddata->module_va + offset); in sysc_read()
206 return !!(ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_NEEDED); in sysc_opt_clks_needed()
211 int offset = ddata->offsets[SYSC_REVISION]; in sysc_read_revision()
221 int offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_read_sysconfig()
231 int offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_read_sysstatus()
244 if (ddata->cfg.quirks & SYSS_QUIRK_RESETDONE_INVERTED) in sysc_poll_reset_sysstatus()
247 syss_done = ddata->cfg.syss_mask; in sysc_poll_reset_sysstatus()
251 rstval, (rstval & ddata->cfg.syss_mask) == in sysc_poll_reset_sysstatus()
255 while (retries--) { in sysc_poll_reset_sysstatus()
257 if ((rstval & ddata->cfg.syss_mask) == syss_done) in sysc_poll_reset_sysstatus()
261 error = -ETIMEDOUT; in sysc_poll_reset_sysstatus()
272 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_poll_reset_sysconfig()
280 while (retries--) { in sysc_poll_reset_sysconfig()
286 error = -ETIMEDOUT; in sysc_poll_reset_sysconfig()
297 if (ddata->cap->regbits->srst_shift < 0) in sysc_wait_softreset()
300 syss_offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_wait_softreset()
304 else if (ddata->cfg.quirks & SYSC_QUIRK_RESET_STATUS) in sysc_wait_softreset()
314 struct device_node *np = ddata->dev->of_node; in sysc_add_named_clock_from_child()
335 return -ENODEV; in sysc_add_named_clock_from_child()
337 clock = devm_get_clk_from_child(ddata->dev, child, name); in sysc_add_named_clock_from_child()
348 return -ENOMEM; in sysc_add_named_clock_from_child()
350 cl->con_id = n; in sysc_add_named_clock_from_child()
351 cl->dev_id = dev_name(ddata->dev); in sysc_add_named_clock_from_child()
352 cl->clk = clock; in sysc_add_named_clock_from_child()
365 if (ddata->nr_clocks < SYSC_OPTFCK0) in sysc_init_ext_opt_clock()
368 index = ddata->nr_clocks; in sysc_init_ext_opt_clock()
379 ddata->clock_roles[index] = optfck_name; in sysc_init_ext_opt_clock()
380 ddata->nr_clocks++; in sysc_init_ext_opt_clock()
387 int error, i, index = -ENODEV; in sysc_get_one_clock()
396 if (!ddata->clocks[i]) { in sysc_get_one_clock()
404 dev_err(ddata->dev, "clock %s not added\n", name); in sysc_get_one_clock()
408 ddata->clocks[index] = devm_clk_get(ddata->dev, name); in sysc_get_one_clock()
409 if (IS_ERR(ddata->clocks[index])) { in sysc_get_one_clock()
410 dev_err(ddata->dev, "clock get error for %s: %li\n", in sysc_get_one_clock()
411 name, PTR_ERR(ddata->clocks[index])); in sysc_get_one_clock()
413 return PTR_ERR(ddata->clocks[index]); in sysc_get_one_clock()
416 error = clk_prepare(ddata->clocks[index]); in sysc_get_one_clock()
418 dev_err(ddata->dev, "clock prepare error for %s: %i\n", in sysc_get_one_clock()
429 struct device_node *np = ddata->dev->of_node; in sysc_get_clocks()
434 ddata->clock_roles = devm_kcalloc(ddata->dev, in sysc_get_clocks()
436 sizeof(*ddata->clock_roles), in sysc_get_clocks()
438 if (!ddata->clock_roles) in sysc_get_clocks()
439 return -ENOMEM; in sysc_get_clocks()
441 of_property_for_each_string(np, "clock-names", prop, name) { in sysc_get_clocks()
446 ddata->clock_roles[ddata->nr_clocks] = name; in sysc_get_clocks()
447 ddata->nr_clocks++; in sysc_get_clocks()
450 if (ddata->nr_clocks < 1) in sysc_get_clocks()
453 if ((ddata->cfg.quirks & SYSC_QUIRK_EXT_OPT_CLOCK)) { in sysc_get_clocks()
459 if (ddata->nr_clocks > SYSC_MAX_CLOCKS) { in sysc_get_clocks()
460 dev_err(ddata->dev, "too many clocks for %pOF\n", np); in sysc_get_clocks()
462 return -EINVAL; in sysc_get_clocks()
466 dev_err(ddata->dev, "max one fck and ick for %pOF\n", np); in sysc_get_clocks()
468 return -EINVAL; in sysc_get_clocks()
473 ddata->nr_clocks++; in sysc_get_clocks()
475 ddata->nr_clocks++; in sysc_get_clocks()
477 ddata->clocks = devm_kcalloc(ddata->dev, in sysc_get_clocks()
478 ddata->nr_clocks, sizeof(*ddata->clocks), in sysc_get_clocks()
480 if (!ddata->clocks) in sysc_get_clocks()
481 return -ENOMEM; in sysc_get_clocks()
484 const char *name = ddata->clock_roles[i]; in sysc_get_clocks()
502 if (!ddata->clocks) in sysc_enable_main_clocks()
506 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
520 for (i--; i >= 0; i--) { in sysc_enable_main_clocks()
521 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
538 if (!ddata->clocks) in sysc_disable_main_clocks()
542 clock = ddata->clocks[i]; in sysc_disable_main_clocks()
555 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_enable_opt_clocks()
559 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
573 for (i--; i >= 0; i--) { in sysc_enable_opt_clocks()
574 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
589 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_disable_opt_clocks()
593 clock = ddata->clocks[i]; in sysc_disable_opt_clocks()
607 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_deny_idle()
610 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_deny_idle()
611 if (pdata && pdata->clkdm_deny_idle) in sysc_clkdm_deny_idle()
612 pdata->clkdm_deny_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_deny_idle()
619 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_allow_idle()
622 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_allow_idle()
623 if (pdata && pdata->clkdm_allow_idle) in sysc_clkdm_allow_idle()
624 pdata->clkdm_allow_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_allow_idle()
628 * sysc_init_resets - init rstctrl reset line if configured
635 ddata->rsts = in sysc_init_resets()
636 devm_reset_control_get_optional_shared(ddata->dev, "rstctrl"); in sysc_init_resets()
638 return PTR_ERR_OR_ZERO(ddata->rsts); in sysc_init_resets()
642 * sysc_parse_and_check_child_range - parses module IO region from ranges
652 struct device_node *np = ddata->dev->of_node; in sysc_parse_and_check_child_range()
662 ddata->module_pa = range.cpu_addr; in sysc_parse_and_check_child_range()
663 ddata->module_size = range.size; in sysc_parse_and_check_child_range()
685 * sysc_defer_non_critical - defer non_critical interconnect probing
702 if (ddata->module_pa >= res->start && in sysc_defer_non_critical()
703 ddata->module_pa <= res->end) { in sysc_defer_non_critical()
712 return -EPROBE_DEFER; in sysc_defer_non_critical()
732 uart = of_get_property(np, "stdout-path", NULL); in sysc_init_stdout_path()
745 stdout_path = ERR_PTR(-ENODEV); in sysc_init_stdout_path()
755 ddata->cfg.quirks |= SYSC_QUIRK_NO_IDLE_ON_INIT | in sysc_check_quirk_stdout()
760 * sysc_check_one_child - check child configuration
775 dev_warn(ddata->dev, "really a child ti,hwmods property?"); in sysc_check_one_child()
785 for_each_child_of_node(ddata->dev->of_node, child) in sysc_check_children()
790 * So far only I2C uses 16-bit read access with clockactivity with revision
798 ddata->cfg.quirks |= SYSC_QUIRK_16BIT | SYSC_QUIRK_USE_CLOCKACT; in sysc_check_quirk_16bit()
802 * sysc_parse_one - parses the interconnect target module registers
818 return -EINVAL; in sysc_parse_one()
821 res = platform_get_resource_byname(to_platform_device(ddata->dev), in sysc_parse_one()
824 ddata->offsets[reg] = -ENODEV; in sysc_parse_one()
829 ddata->offsets[reg] = res->start - ddata->module_pa; in sysc_parse_one()
850 * sysc_check_registers - check for misconfigured register overlaps
858 if (ddata->offsets[i] < 0) in sysc_check_registers()
861 if (ddata->offsets[i] > (ddata->module_size - 4)) { in sysc_check_registers()
862 dev_err(ddata->dev, "register outside module range"); in sysc_check_registers()
864 return -EINVAL; in sysc_check_registers()
868 if (ddata->offsets[j] < 0) in sysc_check_registers()
871 if (ddata->offsets[i] == ddata->offsets[j]) in sysc_check_registers()
878 dev_err(ddata->dev, "overlapping registers: (%i/%i)", in sysc_check_registers()
881 return -EINVAL; in sysc_check_registers()
888 * sysc_ioremap - ioremap register space for the interconnect target module
902 if (ddata->offsets[SYSC_REVISION] < 0 && in sysc_ioremap()
903 ddata->offsets[SYSC_SYSCONFIG] < 0 && in sysc_ioremap()
904 ddata->offsets[SYSC_SYSSTATUS] < 0) { in sysc_ioremap()
905 size = ddata->module_size; in sysc_ioremap()
907 size = max3(ddata->offsets[SYSC_REVISION], in sysc_ioremap()
908 ddata->offsets[SYSC_SYSCONFIG], in sysc_ioremap()
909 ddata->offsets[SYSC_SYSSTATUS]); in sysc_ioremap()
914 if ((size + sizeof(u32)) > ddata->module_size) in sysc_ioremap()
915 size = ddata->module_size; in sysc_ioremap()
918 ddata->module_va = devm_ioremap(ddata->dev, in sysc_ioremap()
919 ddata->module_pa, in sysc_ioremap()
921 if (!ddata->module_va) in sysc_ioremap()
922 return -EIO; in sysc_ioremap()
928 * sysc_map_and_check_registers - ioremap and check device registers
933 struct device_node *np = ddata->dev->of_node; in sysc_map_and_check_registers()
965 * sysc_show_rev - read and show interconnect target module revision
973 if (ddata->offsets[SYSC_REVISION] < 0) in sysc_show_rev()
976 len = sprintf(bufp, ":%08x", ddata->revision); in sysc_show_rev()
984 if (ddata->offsets[reg] < 0) in sysc_show_reg()
987 return sprintf(bufp, ":%x", ddata->offsets[reg]); in sysc_show_reg()
992 if (!ddata->name) in sysc_show_name()
995 return sprintf(bufp, ":%s", ddata->name); in sysc_show_name()
999 * sysc_show_registers - show information about interconnect target module
1014 dev_dbg(ddata->dev, "%llx:%x%s\n", in sysc_show_registers()
1015 ddata->module_pa, ddata->module_size, in sysc_show_registers()
1020 * sysc_write_sysconfig - handle sysconfig quirks for register write
1026 if (ddata->module_unlock_quirk) in sysc_write_sysconfig()
1027 ddata->module_unlock_quirk(ddata); in sysc_write_sysconfig()
1029 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], value); in sysc_write_sysconfig()
1031 if (ddata->module_lock_quirk) in sysc_write_sysconfig()
1032 ddata->module_lock_quirk(ddata); in sysc_write_sysconfig()
1035 #define SYSC_IDLE_MASK (SYSC_NR_IDLEMODES - 1)
1052 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) { in sysc_enable_module()
1055 dev_err(ddata->dev, in sysc_enable_module()
1065 if (!(ddata->cfg.quirks & SYSC_MODULE_QUIRK_ENA_RESETDONE)) { in sysc_enable_module()
1068 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_enable_module()
1070 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) in sysc_enable_module()
1078 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_enable_module()
1081 regbits = ddata->cap->regbits; in sysc_enable_module()
1082 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1089 if (regbits->clkact_shift >= 0 && in sysc_enable_module()
1090 (ddata->cfg.quirks & SYSC_QUIRK_USE_CLOCKACT)) in sysc_enable_module()
1091 reg |= SYSC_CLOCACT_ICK << regbits->clkact_shift; in sysc_enable_module()
1094 idlemodes = ddata->cfg.sidlemodes; in sysc_enable_module()
1095 if (!idlemodes || regbits->sidle_shift < 0) in sysc_enable_module()
1098 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_SIDLE | in sysc_enable_module()
1103 if (regbits->enwkup_shift >= 0 && in sysc_enable_module()
1104 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1105 reg &= ~BIT(regbits->enwkup_shift); in sysc_enable_module()
1107 best_mode = fls(ddata->cfg.sidlemodes) - 1; in sysc_enable_module()
1110 return -EINVAL; in sysc_enable_module()
1114 if (regbits->enwkup_shift >= 0 && in sysc_enable_module()
1115 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1116 reg |= BIT(regbits->enwkup_shift); in sysc_enable_module()
1119 reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift); in sysc_enable_module()
1120 reg |= best_mode << regbits->sidle_shift; in sysc_enable_module()
1125 idlemodes = ddata->cfg.midlemodes; in sysc_enable_module()
1126 if (!idlemodes || regbits->midle_shift < 0) in sysc_enable_module()
1129 best_mode = fls(ddata->cfg.midlemodes) - 1; in sysc_enable_module()
1132 error = -EINVAL; in sysc_enable_module()
1136 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_MSTANDBY) in sysc_enable_module()
1139 reg &= ~(SYSC_IDLE_MASK << regbits->midle_shift); in sysc_enable_module()
1140 reg |= best_mode << regbits->midle_shift; in sysc_enable_module()
1145 if (regbits->autoidle_shift >= 0 && in sysc_enable_module()
1146 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) { in sysc_enable_module()
1147 reg |= 1 << regbits->autoidle_shift; in sysc_enable_module()
1155 ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1157 if (ddata->module_enable_quirk) in sysc_enable_module()
1158 ddata->module_enable_quirk(ddata); in sysc_enable_module()
1172 return -EINVAL; in sysc_best_idle_mode()
1186 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_disable_module()
1189 if (ddata->module_disable_quirk) in sysc_disable_module()
1190 ddata->module_disable_quirk(ddata); in sysc_disable_module()
1192 regbits = ddata->cap->regbits; in sysc_disable_module()
1193 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1196 idlemodes = ddata->cfg.midlemodes; in sysc_disable_module()
1197 if (!idlemodes || regbits->midle_shift < 0) in sysc_disable_module()
1206 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_MSTANDBY) || in sysc_disable_module()
1207 ddata->cfg.quirks & (SYSC_QUIRK_FORCE_MSTANDBY)) in sysc_disable_module()
1210 reg &= ~(SYSC_IDLE_MASK << regbits->midle_shift); in sysc_disable_module()
1211 reg |= best_mode << regbits->midle_shift; in sysc_disable_module()
1216 idlemodes = ddata->cfg.sidlemodes; in sysc_disable_module()
1217 if (!idlemodes || regbits->sidle_shift < 0) { in sysc_disable_module()
1222 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE) { in sysc_disable_module()
1228 ret = -EINVAL; in sysc_disable_module()
1233 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE_ACT) { in sysc_disable_module()
1235 if (regbits->enwkup_shift >= 0 && in sysc_disable_module()
1236 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_disable_module()
1237 reg |= BIT(regbits->enwkup_shift); in sysc_disable_module()
1240 reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift); in sysc_disable_module()
1241 reg |= best_mode << regbits->sidle_shift; in sysc_disable_module()
1242 if (regbits->autoidle_shift >= 0 && in sysc_disable_module()
1243 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) in sysc_disable_module()
1244 reg |= 1 << regbits->autoidle_shift; in sysc_disable_module()
1251 ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1262 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_suspend_legacy()
1266 if (!pdata->idle_module) in sysc_runtime_suspend_legacy()
1267 return -ENODEV; in sysc_runtime_suspend_legacy()
1269 error = pdata->idle_module(dev, &ddata->cookie); in sysc_runtime_suspend_legacy()
1274 reset_control_assert(ddata->rsts); in sysc_runtime_suspend_legacy()
1285 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_resume_legacy()
1289 if (!pdata->enable_module) in sysc_runtime_resume_legacy()
1290 return -ENODEV; in sysc_runtime_resume_legacy()
1292 error = pdata->enable_module(dev, &ddata->cookie); in sysc_runtime_resume_legacy()
1297 reset_control_deassert(ddata->rsts); in sysc_runtime_resume_legacy()
1309 if (!ddata->enabled) in sysc_runtime_suspend()
1314 if (ddata->legacy_mode) { in sysc_runtime_suspend()
1329 ddata->enabled = false; in sysc_runtime_suspend()
1334 reset_control_assert(ddata->rsts); in sysc_runtime_suspend()
1346 if (ddata->enabled) in sysc_runtime_resume()
1362 reset_control_deassert(ddata->rsts); in sysc_runtime_resume()
1364 if (ddata->legacy_mode) { in sysc_runtime_resume()
1374 ddata->enabled = true; in sysc_runtime_resume()
1403 if (!ddata->enabled) in sysc_check_context()
1404 return -ENODATA; in sysc_check_context()
1406 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_check_context()
1407 if (reg == ddata->sysconfig) in sysc_check_context()
1410 return -EACCES; in sysc_check_context()
1415 struct device *dev = ddata->dev; in sysc_reinit_module()
1418 if (ddata->enabled) { in sysc_reinit_module()
1436 if (ddata->cfg.quirks & SYSC_QUIRK_RESET_ON_CTX_LOST) { in sysc_reinit_module()
1441 sysc_write_sysconfig(ddata, ddata->sysconfig); in sysc_reinit_module()
1461 if (ddata->cfg.quirks & in sysc_noirq_suspend()
1465 if (!ddata->enabled) in sysc_noirq_suspend()
1468 ddata->needs_resume = 1; in sysc_noirq_suspend()
1480 if (ddata->cfg.quirks & in sysc_noirq_resume()
1484 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_RESUME) { in sysc_noirq_resume()
1485 error = sysc_reinit_module(ddata, ddata->needs_resume); in sysc_noirq_resume()
1488 } else if (ddata->needs_resume) { in sysc_noirq_resume()
1494 ddata->needs_resume = 0; in sysc_noirq_resume()
1546 SYSC_QUIRK("mcpdm", 0x40132000, 0, 0x10, -ENODEV, 0x50000800, 0xffffffff,
1551 SYSC_QUIRK("aess", 0, 0, 0x10, -ENODEV, 0x40000000, 0xffffffff,
1554 SYSC_QUIRK("dcan", 0x4ae3c000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff,
1556 SYSC_QUIRK("dcan", 0x48480000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff,
1560 SYSC_QUIRK("dss", 0x58000000, 0, -ENODEV, 0x14, 0x00000040, 0xffffffff,
1562 SYSC_QUIRK("dss", 0x58000000, 0, -ENODEV, 0x14, 0x00000061, 0xffffffff,
1564 SYSC_QUIRK("dwc3", 0x48880000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
1566 SYSC_QUIRK("dwc3", 0x488c0000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
1573 SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50030200, 0xffffffff,
1587 SYSC_QUIRK("gpu", 0x50000000, 0x14, -ENODEV, -ENODEV, 0x00010201, 0xffffffff, 0),
1588 SYSC_QUIRK("gpu", 0x50000000, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff,
1590 SYSC_QUIRK("lcdc", 0, 0, 0x54, -ENODEV, 0x4f201000, 0xffffffff,
1592 SYSC_QUIRK("mcasp", 0, 0, 0x4, -ENODEV, 0x44306302, 0xffffffff,
1594 SYSC_QUIRK("rtc", 0, 0x74, 0x78, -ENODEV, 0x4eb01908, 0xffff00f0,
1596 SYSC_QUIRK("tptc", 0, 0, 0x10, -ENODEV, 0x40006c00, 0xffffefff,
1598 SYSC_QUIRK("tptc", 0, 0, -ENODEV, -ENODEV, 0x40007c00, 0xffffffff,
1600 SYSC_QUIRK("sata", 0, 0xfc, 0x1100, -ENODEV, 0x5e412000, 0xffffffff,
1604 SYSC_QUIRK("usb_host_hs", 0, 0, 0x10, -ENODEV, 0x50700101, 0xffffffff,
1615 SYSC_QUIRK("usb_otg_hs", 0, 0, 0x10, -ENODEV, 0x4ea2080d, 0xffffffff,
1621 SYSC_QUIRK("pruss", 0, 0x26000, 0x26004, -ENODEV, 0x47000000, 0xff000000,
1628 SYSC_QUIRK("adc", 0, 0, 0x10, -ENODEV, 0x47300001, 0xffffffff, 0),
1629 SYSC_QUIRK("atl", 0, 0, -ENODEV, -ENODEV, 0x0a070100, 0xffffffff, 0),
1630 SYSC_QUIRK("cm", 0, 0, -ENODEV, -ENODEV, 0x40000301, 0xffffffff, 0),
1631 SYSC_QUIRK("control", 0, 0, 0x10, -ENODEV, 0x40000900, 0xffffffff, 0),
1634 SYSC_QUIRK("dcan", 0, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff, 0),
1635 SYSC_QUIRK("dcan", 0, 0x20, -ENODEV, -ENODEV, 0x4edb1902, 0xffffffff, 0),
1639 SYSC_QUIRK("dmic", 0, 0, 0x10, -ENODEV, 0x50010000, 0xffffffff, 0),
1644 SYSC_QUIRK("dwc3", 0, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff, 0),
1648 SYSC_QUIRK("emif", 0, 0, -ENODEV, -ENODEV, 0x40441403, 0xffff0fff, 0),
1649 SYSC_QUIRK("emif", 0, 0, -ENODEV, -ENODEV, 0x50440500, 0xffffffff, 0),
1650 SYSC_QUIRK("epwmss", 0, 0, 0x4, -ENODEV, 0x47400001, 0xffffffff, 0),
1651 SYSC_QUIRK("gpu", 0, 0x1fc00, 0x1fc10, -ENODEV, 0, 0, 0),
1652 SYSC_QUIRK("gpu", 0, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff, 0),
1653 SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50031d00, 0xffffffff, 0),
1655 SYSC_QUIRK("iss", 0, 0, 0x10, -ENODEV, 0x40000101, 0xffffffff, 0),
1657 SYSC_QUIRK("mcasp", 0, 0, 0x4, -ENODEV, 0x44307b02, 0xffffffff, 0),
1658 SYSC_QUIRK("mcbsp", 0, -ENODEV, 0x8c, -ENODEV, 0, 0, 0),
1659 SYSC_QUIRK("mcspi", 0, 0, 0x10, -ENODEV, 0x40300a0b, 0xffff00ff, 0),
1661 SYSC_QUIRK("mailbox", 0, 0, 0x10, -ENODEV, 0x00000400, 0xffffffff, 0),
1662 SYSC_QUIRK("m3", 0, 0, -ENODEV, -ENODEV, 0x5f580105, 0x0fff0f00, 0),
1664 SYSC_QUIRK("ocp2scp", 0, 0, -ENODEV, -ENODEV, 0x50060007, 0xffffffff, 0),
1665 SYSC_QUIRK("padconf", 0, 0, 0x10, -ENODEV, 0x4fff0800, 0xffffffff, 0),
1666 SYSC_QUIRK("padconf", 0, 0, -ENODEV, -ENODEV, 0x40001100, 0xffffffff, 0),
1667 SYSC_QUIRK("pcie", 0x51000000, -ENODEV, -ENODEV, -ENODEV, 0, 0, 0),
1668 SYSC_QUIRK("pcie", 0x51800000, -ENODEV, -ENODEV, -ENODEV, 0, 0, 0),
1669 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x40000100, 0xffffffff, 0),
1670 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x00004102, 0xffffffff, 0),
1671 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x40000400, 0xffffffff, 0),
1674 SYSC_QUIRK("scm", 0, 0, 0x10, -ENODEV, 0x40000900, 0xffffffff, 0),
1675 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4e8b0100, 0xffffffff, 0),
1676 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4f000100, 0xffffffff, 0),
1677 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x40000900, 0xffffffff, 0),
1678 SYSC_QUIRK("scrm", 0, 0, -ENODEV, -ENODEV, 0x00000010, 0xffffffff, 0),
1679 SYSC_QUIRK("sdio", 0, 0, 0x10, -ENODEV, 0x40202301, 0xffff0ff0, 0),
1681 SYSC_QUIRK("sdma", 0, 0, 0x2c, 0x28, 0x00010900, 0xffffffff, 0),
1683 SYSC_QUIRK("slimbus", 0, 0, 0x10, -ENODEV, 0x40000902, 0xffffffff, 0),
1684 SYSC_QUIRK("slimbus", 0, 0, 0x10, -ENODEV, 0x40002903, 0xffffffff, 0),
1685 SYSC_QUIRK("smartreflex", 0, -ENODEV, 0x24, -ENODEV, 0x00000000, 0xffffffff, 0),
1686 SYSC_QUIRK("smartreflex", 0, -ENODEV, 0x38, -ENODEV, 0x00000000, 0xffffffff, 0),
1687 SYSC_QUIRK("spinlock", 0, 0, 0x10, -ENODEV, 0x50020000, 0xffffffff, 0),
1688 SYSC_QUIRK("rng", 0, 0x1fe0, 0x1fe4, -ENODEV, 0x00000020, 0xffffffff, 0),
1692 SYSC_QUIRK("timer", 0, 0, 0x10, -ENODEV, 0x50002100, 0xffffffff, 0),
1693 SYSC_QUIRK("timer", 0, 0, 0x10, -ENODEV, 0x4fff1301, 0xffff00ff, 0),
1694 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000040, 0xffffffff, 0),
1695 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000011, 0xffffffff, 0),
1696 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000060, 0xffffffff, 0),
1697 SYSC_QUIRK("tpcc", 0, 0, -ENODEV, -ENODEV, 0x40014c00, 0xffffffff, 0),
1700 SYSC_QUIRK("venc", 0x58003000, 0, -ENODEV, -ENODEV, 0x00000002, 0xffffffff, 0),
1701 SYSC_QUIRK("vfpe", 0, 0, 0x104, -ENODEV, 0x4d001200, 0xffffffff, 0),
1717 if (!q->base) in sysc_init_early_quirks()
1720 if (q->base != ddata->module_pa) in sysc_init_early_quirks()
1723 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_early_quirks()
1726 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_early_quirks()
1729 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_early_quirks()
1732 ddata->name = q->name; in sysc_init_early_quirks()
1733 ddata->cfg.quirks |= q->quirks; in sysc_init_early_quirks()
1746 if (q->base && q->base != ddata->module_pa) in sysc_init_revision_quirks()
1749 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_revision_quirks()
1752 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_revision_quirks()
1755 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_revision_quirks()
1758 if (q->revision == ddata->revision || in sysc_init_revision_quirks()
1759 (q->revision & q->revision_mask) == in sysc_init_revision_quirks()
1760 (ddata->revision & q->revision_mask)) { in sysc_init_revision_quirks()
1761 ddata->name = q->name; in sysc_init_revision_quirks()
1762 ddata->cfg.quirks |= q->quirks; in sysc_init_revision_quirks()
1770 * dispc init rather than top-level DSS init.
1781 switch (sysc_soc->soc) { in sysc_quirk_dispc()
1802 /* Remap the whole module range to be able to reset dispc outputs */ in sysc_quirk_dispc()
1803 devm_iounmap(ddata->dev, ddata->module_va); in sysc_quirk_dispc()
1804 ddata->module_va = devm_ioremap(ddata->dev, in sysc_quirk_dispc()
1805 ddata->module_pa, in sysc_quirk_dispc()
1806 ddata->module_size); in sysc_quirk_dispc()
1807 if (!ddata->module_va) in sysc_quirk_dispc()
1808 return -EIO; in sysc_quirk_dispc()
1872 error = readl_poll_timeout(ddata->module_va + dispc_offset + 0x18, in sysc_pre_reset_quirk_dss()
1875 dev_warn(ddata->dev, "%s: timed out %08x !+ %08x\n", in sysc_pre_reset_quirk_dss()
1878 if (sysc_soc->soc == SOC_3430 || sysc_soc->soc == SOC_AM35) { in sysc_pre_reset_quirk_dss()
1890 /* 1-wire needs module's internal clocks enabled for reset */
1916 if ((ddata->revision & 0xffffff00) == 0x001f0000) in sysc_clk_quirk_i2c()
1954 error = readl_poll_timeout_atomic(ddata->module_va + 0x44, val, in sysc_quirk_rtc()
1957 dev_warn(ddata->dev, "rtc busy timeout\n"); in sysc_quirk_rtc()
2009 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
2013 dev_warn(ddata->dev, "wdt disable step1 failed\n"); in sysc_reset_done_quirk_wdt()
2016 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
2020 dev_warn(ddata->dev, "wdt disable step2 failed\n"); in sysc_reset_done_quirk_wdt()
2028 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_module_disable_quirk_pruss()
2030 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg); in sysc_module_disable_quirk_pruss()
2035 if (ddata->legacy_mode || !ddata->name) in sysc_init_module_quirks()
2038 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_HDQ1W) { in sysc_init_module_quirks()
2039 ddata->pre_reset_quirk = sysc_pre_reset_quirk_hdq1w; in sysc_init_module_quirks()
2045 if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) { in sysc_init_module_quirks()
2046 ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT; in sysc_init_module_quirks()
2052 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) { in sysc_init_module_quirks()
2053 ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c; in sysc_init_module_quirks()
2054 ddata->post_reset_quirk = sysc_post_reset_quirk_i2c; in sysc_init_module_quirks()
2059 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_AESS) in sysc_init_module_quirks()
2060 ddata->module_enable_quirk = sysc_module_enable_quirk_aess; in sysc_init_module_quirks()
2062 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_DSS_RESET) in sysc_init_module_quirks()
2063 ddata->pre_reset_quirk = sysc_pre_reset_quirk_dss; in sysc_init_module_quirks()
2065 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_RTC_UNLOCK) { in sysc_init_module_quirks()
2066 ddata->module_unlock_quirk = sysc_module_unlock_quirk_rtc; in sysc_init_module_quirks()
2067 ddata->module_lock_quirk = sysc_module_lock_quirk_rtc; in sysc_init_module_quirks()
2072 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_OTG) { in sysc_init_module_quirks()
2073 ddata->module_enable_quirk = sysc_module_enable_quirk_otg; in sysc_init_module_quirks()
2074 ddata->module_disable_quirk = sysc_module_disable_quirk_otg; in sysc_init_module_quirks()
2077 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_SGX) in sysc_init_module_quirks()
2078 ddata->module_enable_quirk = sysc_module_enable_quirk_sgx; in sysc_init_module_quirks()
2080 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_WDT) { in sysc_init_module_quirks()
2081 ddata->reset_done_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2082 ddata->module_disable_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2085 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_PRUSS) in sysc_init_module_quirks()
2086 ddata->module_disable_quirk = sysc_module_disable_quirk_pruss; in sysc_init_module_quirks()
2091 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_clockdomain_init()
2095 if (!pdata || !pdata->init_clockdomain) in sysc_clockdomain_init()
2098 switch (ddata->nr_clocks) { in sysc_clockdomain_init()
2100 ick = ddata->clocks[SYSC_ICK]; in sysc_clockdomain_init()
2103 fck = ddata->clocks[SYSC_FCK]; in sysc_clockdomain_init()
2109 error = pdata->init_clockdomain(ddata->dev, fck, ick, &ddata->cookie); in sysc_clockdomain_init()
2110 if (!error || error == -ENODEV) in sysc_clockdomain_init()
2117 * Note that pdata->init_module() typically does a reset first. After
2118 * pdata->init_module() is done, PM runtime can be used for the interconnect
2123 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_legacy_init()
2126 if (!pdata || !pdata->init_module) in sysc_legacy_init()
2129 error = pdata->init_module(ddata->dev, ddata->mdata, &ddata->cookie); in sysc_legacy_init()
2130 if (error == -EEXIST) in sysc_legacy_init()
2145 sysc_offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_reset()
2147 if (ddata->legacy_mode || in sysc_reset()
2148 ddata->cap->regbits->srst_shift < 0 || in sysc_reset()
2149 ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) in sysc_reset()
2152 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_reset()
2154 if (ddata->pre_reset_quirk) in sysc_reset()
2155 ddata->pre_reset_quirk(ddata); in sysc_reset()
2167 if (ddata->cfg.srst_udelay) in sysc_reset()
2168 fsleep(ddata->cfg.srst_udelay); in sysc_reset()
2178 if (ddata->post_reset_quirk) in sysc_reset()
2179 ddata->post_reset_quirk(ddata); in sysc_reset()
2183 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_reset()
2185 if (ddata->reset_done_quirk) in sysc_reset()
2186 ddata->reset_done_quirk(ddata); in sysc_reset()
2220 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) { in sysc_init_module()
2221 error = reset_control_deassert(ddata->rsts); in sysc_init_module()
2227 ddata->revision = sysc_read_revision(ddata); in sysc_init_module()
2231 if (ddata->legacy_mode) { in sysc_init_module()
2237 if (!ddata->legacy_mode) { in sysc_init_module()
2238 error = sysc_enable_module(ddata->dev); in sysc_init_module()
2245 dev_err(ddata->dev, "Reset failed with %d\n", error); in sysc_init_module()
2247 if (error && !ddata->legacy_mode) in sysc_init_module()
2248 sysc_disable_module(ddata->dev); in sysc_init_module()
2254 /* No re-enable of clockdomain autoidle to prevent module autoidle */ in sysc_init_module()
2261 !(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_init_module()
2262 reset_control_assert(ddata->rsts); in sysc_init_module()
2269 struct device_node *np = ddata->dev->of_node; in sysc_init_sysc_mask()
2273 error = of_property_read_u32(np, "ti,sysc-mask", &val); in sysc_init_sysc_mask()
2277 ddata->cfg.sysc_val = val & ddata->cap->sysc_mask; in sysc_init_sysc_mask()
2285 struct device_node *np = ddata->dev->of_node; in sysc_init_idlemode()
2290 dev_err(ddata->dev, "invalid idlemode: %i\n", val); in sysc_init_idlemode()
2291 return -EINVAL; in sysc_init_idlemode()
2303 error = sysc_init_idlemode(ddata, &ddata->cfg.midlemodes, in sysc_init_idlemodes()
2304 "ti,sysc-midle"); in sysc_init_idlemodes()
2308 error = sysc_init_idlemode(ddata, &ddata->cfg.sidlemodes, in sysc_init_idlemodes()
2309 "ti,sysc-sidle"); in sysc_init_idlemodes()
2325 struct device_node *np = ddata->dev->of_node; in sysc_init_syss_mask()
2329 error = of_property_read_u32(np, "ti,syss-mask", &val); in sysc_init_syss_mask()
2331 if ((ddata->cap->type == TI_SYSC_OMAP4 || in sysc_init_syss_mask()
2332 ddata->cap->type == TI_SYSC_OMAP4_TIMER) && in sysc_init_syss_mask()
2333 (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2334 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2339 if (!(val & 1) && (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2340 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2342 ddata->cfg.syss_mask = val; in sysc_init_syss_mask()
2364 error = -EEXIST; in sysc_child_add_named_clock()
2368 clk = clk_get(ddata->dev, name); in sysc_child_add_named_clock()
2370 return -ENODEV; in sysc_child_add_named_clock()
2374 error = -ENOMEM; in sysc_child_add_named_clock()
2386 for (i = 0; i < ddata->nr_clocks; i++) { in sysc_child_add_clocks()
2389 ddata->clock_roles[i]); in sysc_child_add_clocks()
2390 if (error && error != -EEXIST) { in sysc_child_add_clocks()
2391 dev_err(ddata->dev, "could not add child clock %s: %i\n", in sysc_child_add_clocks()
2392 ddata->clock_roles[i], error); in sysc_child_add_clocks()
2406 struct device *parent = dev->parent; in sysc_child_to_parent()
2408 if (!parent || parent->type != &sysc_device_type) in sysc_child_to_parent()
2425 if (!ddata->enabled) in sysc_child_runtime_suspend()
2428 return sysc_runtime_suspend(ddata->dev); in sysc_child_runtime_suspend()
2438 if (!ddata->enabled) { in sysc_child_runtime_resume()
2439 error = sysc_runtime_resume(ddata->dev); in sysc_child_runtime_resume()
2441 dev_err(ddata->dev, in sysc_child_runtime_resume()
2456 dev_dbg(ddata->dev, "%s %s\n", __func__, in sysc_child_suspend_noirq()
2457 ddata->name ? ddata->name : ""); in sysc_child_suspend_noirq()
2476 error = sysc_runtime_suspend(ddata->dev); in sysc_child_suspend_noirq()
2484 ddata->child_needs_resume = true; in sysc_child_suspend_noirq()
2497 dev_dbg(ddata->dev, "%s %s\n", __func__, in sysc_child_resume_noirq()
2498 ddata->name ? ddata->name : ""); in sysc_child_resume_noirq()
2500 if (ddata->child_needs_resume) { in sysc_child_resume_noirq()
2501 ddata->child_needs_resume = false; in sysc_child_resume_noirq()
2503 error = sysc_runtime_resume(ddata->dev); in sysc_child_resume_noirq()
2505 dev_err(ddata->dev, in sysc_child_resume_noirq()
2511 dev_err(ddata->dev, in sysc_child_resume_noirq()
2537 list_for_each_entry(module, &sysc_soc->restored_modules, node) { in sysc_reinit_modules()
2538 ddata = module->ddata; in sysc_reinit_modules()
2539 sysc_reinit_module(ddata, ddata->enabled); in sysc_reinit_modules()
2544 * sysc_context_notifier - optionally reset and restore module after idle
2574 * sysc_add_restored - optionally add reset and restore quirk hanlling
2585 restored_module->ddata = ddata; in sysc_add_restored()
2587 mutex_lock(&sysc_soc->list_lock); in sysc_add_restored()
2589 list_add(&restored_module->node, &sysc_soc->restored_modules); in sysc_add_restored()
2591 if (sysc_soc->nb.notifier_call) in sysc_add_restored()
2594 sysc_soc->nb.notifier_call = sysc_context_notifier; in sysc_add_restored()
2595 cpu_pm_register_notifier(&sysc_soc->nb); in sysc_add_restored()
2598 mutex_unlock(&sysc_soc->list_lock); in sysc_add_restored()
2602 * sysc_legacy_idle_quirk - handle children in omap_device compatible way
2616 if (ddata->cfg.quirks & SYSC_QUIRK_LEGACY_IDLE) in sysc_legacy_idle_quirk()
2621 unsigned long event, void *device) in sysc_notifier_call() argument
2631 switch (event) { in sysc_notifier_call()
2656 { .name = "ti,no-idle-on-init",
2658 { .name = "ti,no-reset-on-init",
2660 { .name = "ti,no-idle",
2677 ddata->cfg.quirks |= sysc_dts_quirks[i].mask; in sysc_parse_dts_quirks()
2679 dev_warn(ddata->dev, in sysc_parse_dts_quirks()
2688 struct device_node *np = ddata->dev->of_node; in sysc_init_dts_quirks()
2692 ddata->legacy_mode = of_get_property(np, "ti,hwmods", NULL); in sysc_init_dts_quirks()
2695 error = of_property_read_u32(np, "ti,sysc-delay-us", &val); in sysc_init_dts_quirks()
2698 dev_warn(ddata->dev, "bad ti,sysc-delay-us: %i\n", in sysc_init_dts_quirks()
2702 ddata->cfg.srst_udelay = (u8)val; in sysc_init_dts_quirks()
2712 if (!ddata->clocks) in sysc_unprepare()
2716 if (!IS_ERR_OR_NULL(ddata->clocks[i])) in sysc_unprepare()
2717 clk_unprepare(ddata->clocks[i]); in sysc_unprepare()
2725 .dmadisable_shift = -ENODEV,
2758 .dmadisable_shift = -ENODEV,
2759 .midle_shift = -ENODEV,
2761 .clkact_shift = -ENODEV,
2762 .enwkup_shift = -ENODEV,
2765 .emufree_shift = -ENODEV,
2779 .dmadisable_shift = -ENODEV,
2780 .midle_shift = -ENODEV,
2782 .clkact_shift = -ENODEV,
2783 .enwkup_shift = -ENODEV,
2786 .emufree_shift = -ENODEV,
2802 .clkact_shift = -ENODEV,
2803 .enwkup_shift = -ENODEV,
2806 .autoidle_shift = -ENODEV,
2827 .dmadisable_shift = -ENODEV,
2830 .clkact_shift = -ENODEV,
2831 .enwkup_shift = -ENODEV,
2832 .srst_shift = -ENODEV,
2833 .emufree_shift = -ENODEV,
2834 .autoidle_shift = -ENODEV,
2846 .dmadisable_shift = -ENODEV,
2847 .midle_shift = -ENODEV,
2848 .sidle_shift = -ENODEV,
2850 .enwkup_shift = -ENODEV,
2851 .srst_shift = -ENODEV,
2852 .emufree_shift = -ENODEV,
2853 .autoidle_shift = -ENODEV,
2868 .dmadisable_shift = -ENODEV,
2869 .midle_shift = -ENODEV,
2871 .clkact_shift = -ENODEV,
2873 .srst_shift = -ENODEV,
2874 .emufree_shift = -ENODEV,
2875 .autoidle_shift = -ENODEV,
2895 .dmadisable_shift = -ENODEV,
2896 .midle_shift = -ENODEV,
2898 .clkact_shift = -ENODEV,
2899 .enwkup_shift = -ENODEV,
2900 .srst_shift = -ENODEV,
2901 .emufree_shift = -ENODEV,
2902 .autoidle_shift = -ENODEV,
2924 .dmadisable_shift = -ENODEV,
2925 .midle_shift = -ENODEV,
2927 .clkact_shift = -ENODEV,
2929 .srst_shift = -ENODEV,
2930 .emufree_shift = -ENODEV,
2931 .autoidle_shift = -ENODEV,
2941 .dmadisable_shift = -ENODEV,
2942 .midle_shift = -ENODEV,
2943 .sidle_shift = -ENODEV,
2944 .clkact_shift = -ENODEV,
2947 .emufree_shift = -ENODEV,
2948 .autoidle_shift = -ENODEV,
2970 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_init_pdata()
2976 mdata = devm_kzalloc(ddata->dev, sizeof(*mdata), GFP_KERNEL); in sysc_init_pdata()
2978 return -ENOMEM; in sysc_init_pdata()
2980 if (ddata->legacy_mode) { in sysc_init_pdata()
2981 mdata->name = ddata->legacy_mode; in sysc_init_pdata()
2982 mdata->module_pa = ddata->module_pa; in sysc_init_pdata()
2983 mdata->module_size = ddata->module_size; in sysc_init_pdata()
2984 mdata->offsets = ddata->offsets; in sysc_init_pdata()
2985 mdata->nr_offsets = SYSC_MAX_REGS; in sysc_init_pdata()
2986 mdata->cap = ddata->cap; in sysc_init_pdata()
2987 mdata->cfg = &ddata->cfg; in sysc_init_pdata()
2990 ddata->mdata = mdata; in sysc_init_pdata()
2999 cap = of_device_get_match_data(ddata->dev); in sysc_init_match()
3001 return -EINVAL; in sysc_init_match()
3003 ddata->cap = cap; in sysc_init_match()
3004 if (ddata->cap) in sysc_init_match()
3005 ddata->cfg.quirks |= ddata->cap->mod_quirks; in sysc_init_match()
3022 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in ti_sysc_idle()
3030 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in ti_sysc_idle()
3037 if (pm_runtime_active(ddata->dev)) in ti_sysc_idle()
3038 pm_runtime_put_sync(ddata->dev); in ti_sysc_idle()
3089 return -ENOMEM; in sysc_add_disabled()
3091 disabled_module->base = base; in sysc_add_disabled()
3093 mutex_lock(&sysc_soc->list_lock); in sysc_add_disabled()
3094 list_add(&disabled_module->node, &sysc_soc->disabled_modules); in sysc_add_disabled()
3095 mutex_unlock(&sysc_soc->list_lock); in sysc_add_disabled()
3104 * Note that we initialize static data shared across all ti-sysc instances
3120 return -ENOMEM; in sysc_init_static_data()
3122 mutex_init(&sysc_soc->list_lock); in sysc_init_static_data()
3123 INIT_LIST_HEAD(&sysc_soc->disabled_modules); in sysc_init_static_data()
3124 INIT_LIST_HEAD(&sysc_soc->restored_modules); in sysc_init_static_data()
3125 sysc_soc->general_purpose = true; in sysc_init_static_data()
3127 pdata = dev_get_platdata(ddata->dev); in sysc_init_static_data()
3128 if (pdata && pdata->soc_type_gp) in sysc_init_static_data()
3129 sysc_soc->general_purpose = pdata->soc_type_gp(); in sysc_init_static_data()
3132 if (match && match->data) in sysc_init_static_data()
3133 sysc_soc->soc = (enum sysc_soc)(uintptr_t)match->data; in sysc_init_static_data()
3137 * simple-pm-bus instead of simple-bus in the dtb for genpd using SoCs. in sysc_init_static_data()
3139 switch (sysc_soc->soc) { in sysc_init_static_data()
3146 WARN_ONCE(np && of_device_is_compatible(np, "simple-bus"), in sysc_init_static_data()
3147 "ti-sysc: Incomplete old dtb, please update\n"); in sysc_init_static_data()
3154 if (!sysc_soc->general_purpose) { in sysc_init_static_data()
3155 switch (sysc_soc->soc) { in sysc_init_static_data()
3171 if (match->data) in sysc_init_static_data()
3172 features = (unsigned long)match->data; in sysc_init_static_data()
3198 if (sysc_soc->nb.notifier_call) in sysc_cleanup_static_data()
3199 cpu_pm_unregister_notifier(&sysc_soc->nb); in sysc_cleanup_static_data()
3201 mutex_lock(&sysc_soc->list_lock); in sysc_cleanup_static_data()
3202 list_for_each_safe(pos, tmp, &sysc_soc->restored_modules) { in sysc_cleanup_static_data()
3207 list_for_each_safe(pos, tmp, &sysc_soc->disabled_modules) { in sysc_cleanup_static_data()
3212 mutex_unlock(&sysc_soc->list_lock); in sysc_cleanup_static_data()
3220 mutex_lock(&sysc_soc->list_lock); in sysc_check_disabled_devices()
3221 list_for_each_entry(disabled_module, &sysc_soc->disabled_modules, node) { in sysc_check_disabled_devices()
3222 if (ddata->module_pa == disabled_module->base) { in sysc_check_disabled_devices()
3223 dev_dbg(ddata->dev, "module disabled for this SoC\n"); in sysc_check_disabled_devices()
3224 error = -ENODEV; in sysc_check_disabled_devices()
3228 mutex_unlock(&sysc_soc->list_lock); in sysc_check_disabled_devices()
3234 * Ignore timers tagged with no-reset and no-idle. These are likely in use,
3235 * for example by drivers/clocksource/timer-ti-dm-systimer.c. If more checks
3242 if (ddata->cap->type != TI_SYSC_OMAP2_TIMER && in sysc_check_active_timer()
3243 ddata->cap->type != TI_SYSC_OMAP4_TIMER) in sysc_check_active_timer()
3253 if (sysc_soc->soc == SOC_3430 || sysc_soc->soc == SOC_AM35) in sysc_check_active_timer()
3254 error = -ENXIO; in sysc_check_active_timer()
3256 error = -EBUSY; in sysc_check_active_timer()
3258 if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) && in sysc_check_active_timer()
3259 (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE)) in sysc_check_active_timer()
3266 { .compatible = "simple-bus", },
3272 struct ti_sysc_platform_data *pdata = dev_get_platdata(&pdev->dev); in sysc_probe()
3276 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); in sysc_probe()
3278 return -ENOMEM; in sysc_probe()
3280 ddata->offsets[SYSC_REVISION] = -ENODEV; in sysc_probe()
3281 ddata->offsets[SYSC_SYSCONFIG] = -ENODEV; in sysc_probe()
3282 ddata->offsets[SYSC_SYSSTATUS] = -ENODEV; in sysc_probe()
3283 ddata->dev = &pdev->dev; in sysc_probe()
3325 if (error == -ENXIO) in sysc_probe()
3326 ddata->reserved = true; in sysc_probe()
3342 pm_runtime_enable(ddata->dev); in sysc_probe()
3343 error = pm_runtime_resume_and_get(ddata->dev); in sysc_probe()
3345 pm_runtime_disable(ddata->dev); in sysc_probe()
3350 if (!(ddata->cfg.quirks & in sysc_probe()
3357 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_probe()
3358 reset_control_assert(ddata->rsts); in sysc_probe()
3362 ddata->dev->type = &sysc_device_type; in sysc_probe()
3364 if (!ddata->reserved) { in sysc_probe()
3365 error = of_platform_populate(ddata->dev->of_node, in sysc_probe()
3367 pdata ? pdata->auxdata : NULL, in sysc_probe()
3368 ddata->dev); in sysc_probe()
3373 INIT_DELAYED_WORK(&ddata->idle_work, ti_sysc_idle); in sysc_probe()
3376 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in sysc_probe()
3379 schedule_delayed_work(&ddata->idle_work, 3000); in sysc_probe()
3381 pm_runtime_put(&pdev->dev); in sysc_probe()
3384 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_CTX_LOST) in sysc_probe()
3390 pm_runtime_put_sync(&pdev->dev); in sysc_probe()
3391 pm_runtime_disable(&pdev->dev); in sysc_probe()
3404 if (cancel_delayed_work_sync(&ddata->idle_work)) in sysc_remove()
3405 ti_sysc_idle(&ddata->idle_work.work); in sysc_remove()
3407 error = pm_runtime_resume_and_get(ddata->dev); in sysc_remove()
3409 pm_runtime_disable(ddata->dev); in sysc_remove()
3413 of_platform_depopulate(&pdev->dev); in sysc_remove()
3415 pm_runtime_put_sync(&pdev->dev); in sysc_remove()
3416 pm_runtime_disable(&pdev->dev); in sysc_remove()
3418 if (!reset_control_status(ddata->rsts)) in sysc_remove()
3419 reset_control_assert(ddata->rsts); in sysc_remove()
3428 { .compatible = "ti,sysc-omap2", .data = &sysc_omap2, },
3429 { .compatible = "ti,sysc-omap2-timer", .data = &sysc_omap2_timer, },
3430 { .compatible = "ti,sysc-omap4", .data = &sysc_omap4, },
3431 { .compatible = "ti,sysc-omap4-timer", .data = &sysc_omap4_timer, },
3432 { .compatible = "ti,sysc-omap4-simple", .data = &sysc_omap4_simple, },
3433 { .compatible = "ti,sysc-omap3430-sr", .data = &sysc_34xx_sr, },
3434 { .compatible = "ti,sysc-omap3630-sr", .data = &sysc_36xx_sr, },
3435 { .compatible = "ti,sysc-omap4-sr", .data = &sysc_omap4_sr, },
3436 { .compatible = "ti,sysc-omap3-sham", .data = &sysc_omap3_sham, },
3437 { .compatible = "ti,sysc-omap-aes", .data = &sysc_omap3_aes, },
3438 { .compatible = "ti,sysc-mcasp", .data = &sysc_omap4_mcasp, },
3439 { .compatible = "ti,sysc-dra7-mcasp", .data = &sysc_dra7_mcasp, },
3440 { .compatible = "ti,sysc-usb-host-fs",
3442 { .compatible = "ti,sysc-dra7-mcan", .data = &sysc_dra7_mcan, },
3443 { .compatible = "ti,sysc-pruss", .data = &sysc_pruss, },
3452 .name = "ti-sysc",