Lines Matching +full:ocp +full:- +full:max +full:- +full:retries
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
119 * @pre_reset_quirk: module specific pre-reset quirk
120 * @post_reset_quirk: module specific post-reset quirk
163 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_write()
164 writew_relaxed(value & 0xffff, ddata->module_va + offset); in sysc_write()
167 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_write()
168 offset == ddata->offsets[SYSC_REVISION]) { in sysc_write()
171 writew_relaxed(hi, ddata->module_va + offset + 4); in sysc_write()
177 writel_relaxed(value, ddata->module_va + offset); in sysc_write()
182 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_read()
185 val = readw_relaxed(ddata->module_va + offset); in sysc_read()
188 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_read()
189 offset == ddata->offsets[SYSC_REVISION]) { in sysc_read()
190 u16 tmp = readw_relaxed(ddata->module_va + offset + 4); in sysc_read()
198 return readl_relaxed(ddata->module_va + offset); in sysc_read()
203 return !!(ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_NEEDED); in sysc_opt_clks_needed()
208 int offset = ddata->offsets[SYSC_REVISION]; in sysc_read_revision()
218 int offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_read_sysconfig()
228 int offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_read_sysstatus()
238 int error, retries; in sysc_poll_reset_sysstatus() local
241 if (ddata->cfg.quirks & SYSS_QUIRK_RESETDONE_INVERTED) in sysc_poll_reset_sysstatus()
244 syss_done = ddata->cfg.syss_mask; in sysc_poll_reset_sysstatus()
248 rstval, (rstval & ddata->cfg.syss_mask) == in sysc_poll_reset_sysstatus()
251 retries = MAX_MODULE_SOFTRESET_WAIT; in sysc_poll_reset_sysstatus()
252 while (retries--) { in sysc_poll_reset_sysstatus()
254 if ((rstval & ddata->cfg.syss_mask) == syss_done) in sysc_poll_reset_sysstatus()
258 error = -ETIMEDOUT; in sysc_poll_reset_sysstatus()
266 int error, retries; in sysc_poll_reset_sysconfig() local
269 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_poll_reset_sysconfig()
276 retries = MAX_MODULE_SOFTRESET_WAIT; in sysc_poll_reset_sysconfig()
277 while (retries--) { in sysc_poll_reset_sysconfig()
283 error = -ETIMEDOUT; in sysc_poll_reset_sysconfig()
294 if (ddata->cap->regbits->srst_shift < 0) in sysc_wait_softreset()
297 syss_offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_wait_softreset()
301 else if (ddata->cfg.quirks & SYSC_QUIRK_RESET_STATUS) in sysc_wait_softreset()
311 struct device_node *np = ddata->dev->of_node; in sysc_add_named_clock_from_child()
332 return -ENODEV; in sysc_add_named_clock_from_child()
334 clock = devm_get_clk_from_child(ddata->dev, child, name); in sysc_add_named_clock_from_child()
345 return -ENOMEM; in sysc_add_named_clock_from_child()
347 cl->con_id = n; in sysc_add_named_clock_from_child()
348 cl->dev_id = dev_name(ddata->dev); in sysc_add_named_clock_from_child()
349 cl->clk = clock; in sysc_add_named_clock_from_child()
362 if (ddata->nr_clocks < SYSC_OPTFCK0) in sysc_init_ext_opt_clock()
365 index = ddata->nr_clocks; in sysc_init_ext_opt_clock()
376 ddata->clock_roles[index] = optfck_name; in sysc_init_ext_opt_clock()
377 ddata->nr_clocks++; in sysc_init_ext_opt_clock()
384 int error, i, index = -ENODEV; in sysc_get_one_clock()
393 if (!ddata->clocks[i]) { in sysc_get_one_clock()
401 dev_err(ddata->dev, "clock %s not added\n", name); in sysc_get_one_clock()
405 ddata->clocks[index] = devm_clk_get(ddata->dev, name); in sysc_get_one_clock()
406 if (IS_ERR(ddata->clocks[index])) { in sysc_get_one_clock()
407 dev_err(ddata->dev, "clock get error for %s: %li\n", in sysc_get_one_clock()
408 name, PTR_ERR(ddata->clocks[index])); in sysc_get_one_clock()
410 return PTR_ERR(ddata->clocks[index]); in sysc_get_one_clock()
413 error = clk_prepare(ddata->clocks[index]); in sysc_get_one_clock()
415 dev_err(ddata->dev, "clock prepare error for %s: %i\n", in sysc_get_one_clock()
426 struct device_node *np = ddata->dev->of_node; in sysc_get_clocks()
431 ddata->clock_roles = devm_kcalloc(ddata->dev, in sysc_get_clocks()
433 sizeof(*ddata->clock_roles), in sysc_get_clocks()
435 if (!ddata->clock_roles) in sysc_get_clocks()
436 return -ENOMEM; in sysc_get_clocks()
438 of_property_for_each_string(np, "clock-names", prop, name) { in sysc_get_clocks()
443 ddata->clock_roles[ddata->nr_clocks] = name; in sysc_get_clocks()
444 ddata->nr_clocks++; in sysc_get_clocks()
447 if (ddata->nr_clocks < 1) in sysc_get_clocks()
450 if ((ddata->cfg.quirks & SYSC_QUIRK_EXT_OPT_CLOCK)) { in sysc_get_clocks()
456 if (ddata->nr_clocks > SYSC_MAX_CLOCKS) { in sysc_get_clocks()
457 dev_err(ddata->dev, "too many clocks for %pOF\n", np); in sysc_get_clocks()
459 return -EINVAL; in sysc_get_clocks()
463 dev_err(ddata->dev, "max one fck and ick for %pOF\n", np); in sysc_get_clocks()
465 return -EINVAL; in sysc_get_clocks()
470 ddata->nr_clocks++; in sysc_get_clocks()
472 ddata->nr_clocks++; in sysc_get_clocks()
474 ddata->clocks = devm_kcalloc(ddata->dev, in sysc_get_clocks()
475 ddata->nr_clocks, sizeof(*ddata->clocks), in sysc_get_clocks()
477 if (!ddata->clocks) in sysc_get_clocks()
478 return -ENOMEM; in sysc_get_clocks()
481 const char *name = ddata->clock_roles[i]; in sysc_get_clocks()
499 if (!ddata->clocks) in sysc_enable_main_clocks()
503 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
517 for (i--; i >= 0; i--) { in sysc_enable_main_clocks()
518 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
535 if (!ddata->clocks) in sysc_disable_main_clocks()
539 clock = ddata->clocks[i]; in sysc_disable_main_clocks()
552 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_enable_opt_clocks()
556 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
570 for (i--; i >= 0; i--) { in sysc_enable_opt_clocks()
571 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
586 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_disable_opt_clocks()
590 clock = ddata->clocks[i]; in sysc_disable_opt_clocks()
604 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_deny_idle()
607 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_deny_idle()
608 if (pdata && pdata->clkdm_deny_idle) in sysc_clkdm_deny_idle()
609 pdata->clkdm_deny_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_deny_idle()
616 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_allow_idle()
619 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_allow_idle()
620 if (pdata && pdata->clkdm_allow_idle) in sysc_clkdm_allow_idle()
621 pdata->clkdm_allow_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_allow_idle()
625 * sysc_init_resets - init rstctrl reset line if configured
632 ddata->rsts = in sysc_init_resets()
633 devm_reset_control_get_optional_shared(ddata->dev, "rstctrl"); in sysc_init_resets()
635 return PTR_ERR_OR_ZERO(ddata->rsts); in sysc_init_resets()
639 * sysc_parse_and_check_child_range - parses module IO region from ranges
649 struct device_node *np = ddata->dev->of_node; in sysc_parse_and_check_child_range()
656 dev_err(ddata->dev, "missing ranges for %pOF\n", np); in sysc_parse_and_check_child_range()
658 return -ENOENT; in sysc_parse_and_check_child_range()
664 dev_err(ddata->dev, "incomplete ranges for %pOF\n", np); in sysc_parse_and_check_child_range()
666 return -EINVAL; in sysc_parse_and_check_child_range()
669 error = of_property_read_u32(np, "#address-cells", &nr_addr); in sysc_parse_and_check_child_range()
671 return -ENOENT; in sysc_parse_and_check_child_range()
673 error = of_property_read_u32(np, "#size-cells", &nr_size); in sysc_parse_and_check_child_range()
675 return -ENOENT; in sysc_parse_and_check_child_range()
678 dev_err(ddata->dev, "invalid ranges for %pOF\n", np); in sysc_parse_and_check_child_range()
680 return -EINVAL; in sysc_parse_and_check_child_range()
684 ddata->module_pa = of_translate_address(np, ranges++); in sysc_parse_and_check_child_range()
685 ddata->module_size = be32_to_cpup(ranges); in sysc_parse_and_check_child_range()
705 * sysc_defer_non_critical - defer non_critical interconnect probing
722 if (ddata->module_pa >= res->start && in sysc_defer_non_critical()
723 ddata->module_pa <= res->end) { in sysc_defer_non_critical()
732 return -EPROBE_DEFER; in sysc_defer_non_critical()
752 uart = of_get_property(np, "stdout-path", NULL); in sysc_init_stdout_path()
765 stdout_path = ERR_PTR(-ENODEV); in sysc_init_stdout_path()
775 ddata->cfg.quirks |= SYSC_QUIRK_NO_IDLE_ON_INIT | in sysc_check_quirk_stdout()
780 * sysc_check_one_child - check child configuration
795 dev_warn(ddata->dev, "really a child ti,hwmods property?"); in sysc_check_one_child()
805 for_each_child_of_node(ddata->dev->of_node, child) in sysc_check_children()
810 * So far only I2C uses 16-bit read access with clockactivity with revision
818 ddata->cfg.quirks |= SYSC_QUIRK_16BIT | SYSC_QUIRK_USE_CLOCKACT; in sysc_check_quirk_16bit()
822 * sysc_parse_one - parses the interconnect target module registers
838 return -EINVAL; in sysc_parse_one()
841 res = platform_get_resource_byname(to_platform_device(ddata->dev), in sysc_parse_one()
844 ddata->offsets[reg] = -ENODEV; in sysc_parse_one()
849 ddata->offsets[reg] = res->start - ddata->module_pa; in sysc_parse_one()
870 * sysc_check_registers - check for misconfigured register overlaps
878 if (ddata->offsets[i] < 0) in sysc_check_registers()
881 if (ddata->offsets[i] > (ddata->module_size - 4)) { in sysc_check_registers()
882 dev_err(ddata->dev, "register outside module range"); in sysc_check_registers()
884 return -EINVAL; in sysc_check_registers()
888 if (ddata->offsets[j] < 0) in sysc_check_registers()
891 if (ddata->offsets[i] == ddata->offsets[j]) in sysc_check_registers()
898 dev_err(ddata->dev, "overlapping registers: (%i/%i)", in sysc_check_registers()
901 return -EINVAL; in sysc_check_registers()
908 * syc_ioremap - ioremap register space for the interconnect target module
922 if (ddata->offsets[SYSC_REVISION] < 0 && in sysc_ioremap()
923 ddata->offsets[SYSC_SYSCONFIG] < 0 && in sysc_ioremap()
924 ddata->offsets[SYSC_SYSSTATUS] < 0) { in sysc_ioremap()
925 size = ddata->module_size; in sysc_ioremap()
927 size = max3(ddata->offsets[SYSC_REVISION], in sysc_ioremap()
928 ddata->offsets[SYSC_SYSCONFIG], in sysc_ioremap()
929 ddata->offsets[SYSC_SYSSTATUS]); in sysc_ioremap()
934 if ((size + sizeof(u32)) > ddata->module_size) in sysc_ioremap()
935 size = ddata->module_size; in sysc_ioremap()
938 ddata->module_va = devm_ioremap(ddata->dev, in sysc_ioremap()
939 ddata->module_pa, in sysc_ioremap()
941 if (!ddata->module_va) in sysc_ioremap()
942 return -EIO; in sysc_ioremap()
948 * sysc_map_and_check_registers - ioremap and check device registers
981 * sysc_show_rev - read and show interconnect target module revision
989 if (ddata->offsets[SYSC_REVISION] < 0) in sysc_show_rev()
992 len = sprintf(bufp, ":%08x", ddata->revision); in sysc_show_rev()
1000 if (ddata->offsets[reg] < 0) in sysc_show_reg()
1003 return sprintf(bufp, ":%x", ddata->offsets[reg]); in sysc_show_reg()
1008 if (!ddata->name) in sysc_show_name()
1011 return sprintf(bufp, ":%s", ddata->name); in sysc_show_name()
1015 * sysc_show_registers - show information about interconnect target module
1030 dev_dbg(ddata->dev, "%llx:%x%s\n", in sysc_show_registers()
1031 ddata->module_pa, ddata->module_size, in sysc_show_registers()
1036 * sysc_write_sysconfig - handle sysconfig quirks for register write
1042 if (ddata->module_unlock_quirk) in sysc_write_sysconfig()
1043 ddata->module_unlock_quirk(ddata); in sysc_write_sysconfig()
1045 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], value); in sysc_write_sysconfig()
1047 if (ddata->module_lock_quirk) in sysc_write_sysconfig()
1048 ddata->module_lock_quirk(ddata); in sysc_write_sysconfig()
1051 #define SYSC_IDLE_MASK (SYSC_NR_IDLEMODES - 1)
1066 * reset clocks and wait for OCP softreset to complete. in sysc_enable_module()
1068 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) { in sysc_enable_module()
1071 dev_err(ddata->dev, in sysc_enable_module()
1081 if (!(ddata->cfg.quirks & SYSC_MODULE_QUIRK_ENA_RESETDONE)) { in sysc_enable_module()
1084 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_enable_module()
1086 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) in sysc_enable_module()
1091 * need only the automatic OCP softreset handling with no sysconfig in sysc_enable_module()
1094 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_enable_module()
1097 regbits = ddata->cap->regbits; in sysc_enable_module()
1098 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1105 if (regbits->clkact_shift >= 0 && in sysc_enable_module()
1106 (ddata->cfg.quirks & SYSC_QUIRK_USE_CLOCKACT)) in sysc_enable_module()
1107 reg |= SYSC_CLOCACT_ICK << regbits->clkact_shift; in sysc_enable_module()
1110 idlemodes = ddata->cfg.sidlemodes; in sysc_enable_module()
1111 if (!idlemodes || regbits->sidle_shift < 0) in sysc_enable_module()
1114 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_SIDLE | in sysc_enable_module()
1119 if (regbits->enwkup_shift >= 0 && in sysc_enable_module()
1120 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1121 reg &= ~BIT(regbits->enwkup_shift); in sysc_enable_module()
1123 best_mode = fls(ddata->cfg.sidlemodes) - 1; in sysc_enable_module()
1126 return -EINVAL; in sysc_enable_module()
1130 if (regbits->enwkup_shift >= 0 && in sysc_enable_module()
1131 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1132 reg |= BIT(regbits->enwkup_shift); in sysc_enable_module()
1135 reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift); in sysc_enable_module()
1136 reg |= best_mode << regbits->sidle_shift; in sysc_enable_module()
1141 idlemodes = ddata->cfg.midlemodes; in sysc_enable_module()
1142 if (!idlemodes || regbits->midle_shift < 0) in sysc_enable_module()
1145 best_mode = fls(ddata->cfg.midlemodes) - 1; in sysc_enable_module()
1148 return -EINVAL; in sysc_enable_module()
1151 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_MSTANDBY) in sysc_enable_module()
1154 reg &= ~(SYSC_IDLE_MASK << regbits->midle_shift); in sysc_enable_module()
1155 reg |= best_mode << regbits->midle_shift; in sysc_enable_module()
1160 if (regbits->autoidle_shift >= 0 && in sysc_enable_module()
1161 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) { in sysc_enable_module()
1162 reg |= 1 << regbits->autoidle_shift; in sysc_enable_module()
1167 sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1169 if (ddata->module_enable_quirk) in sysc_enable_module()
1170 ddata->module_enable_quirk(ddata); in sysc_enable_module()
1184 return -EINVAL; in sysc_best_idle_mode()
1198 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_disable_module()
1201 if (ddata->module_disable_quirk) in sysc_disable_module()
1202 ddata->module_disable_quirk(ddata); in sysc_disable_module()
1204 regbits = ddata->cap->regbits; in sysc_disable_module()
1205 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1208 idlemodes = ddata->cfg.midlemodes; in sysc_disable_module()
1209 if (!idlemodes || regbits->midle_shift < 0) in sysc_disable_module()
1218 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_MSTANDBY) || in sysc_disable_module()
1219 ddata->cfg.quirks & (SYSC_QUIRK_FORCE_MSTANDBY)) in sysc_disable_module()
1222 reg &= ~(SYSC_IDLE_MASK << regbits->midle_shift); in sysc_disable_module()
1223 reg |= best_mode << regbits->midle_shift; in sysc_disable_module()
1228 idlemodes = ddata->cfg.sidlemodes; in sysc_disable_module()
1229 if (!idlemodes || regbits->sidle_shift < 0) in sysc_disable_module()
1232 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE) { in sysc_disable_module()
1242 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE_ACT) { in sysc_disable_module()
1244 if (regbits->enwkup_shift >= 0 && in sysc_disable_module()
1245 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_disable_module()
1246 reg |= BIT(regbits->enwkup_shift); in sysc_disable_module()
1249 reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift); in sysc_disable_module()
1250 reg |= best_mode << regbits->sidle_shift; in sysc_disable_module()
1251 if (regbits->autoidle_shift >= 0 && in sysc_disable_module()
1252 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) in sysc_disable_module()
1253 reg |= 1 << regbits->autoidle_shift; in sysc_disable_module()
1257 sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1268 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_suspend_legacy()
1272 if (!pdata->idle_module) in sysc_runtime_suspend_legacy()
1273 return -ENODEV; in sysc_runtime_suspend_legacy()
1275 error = pdata->idle_module(dev, &ddata->cookie); in sysc_runtime_suspend_legacy()
1280 reset_control_assert(ddata->rsts); in sysc_runtime_suspend_legacy()
1291 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_resume_legacy()
1295 if (!pdata->enable_module) in sysc_runtime_resume_legacy()
1296 return -ENODEV; in sysc_runtime_resume_legacy()
1298 error = pdata->enable_module(dev, &ddata->cookie); in sysc_runtime_resume_legacy()
1303 reset_control_deassert(ddata->rsts); in sysc_runtime_resume_legacy()
1315 if (!ddata->enabled) in sysc_runtime_suspend()
1320 if (ddata->legacy_mode) { in sysc_runtime_suspend()
1335 ddata->enabled = false; in sysc_runtime_suspend()
1338 reset_control_assert(ddata->rsts); in sysc_runtime_suspend()
1352 if (ddata->enabled) in sysc_runtime_resume()
1368 reset_control_deassert(ddata->rsts); in sysc_runtime_resume()
1370 if (ddata->legacy_mode) { in sysc_runtime_resume()
1380 ddata->enabled = true; in sysc_runtime_resume()
1399 struct device *dev = ddata->dev; in sysc_reinit_module()
1403 if (ddata->enabled) { in sysc_reinit_module()
1431 if (ddata->cfg.quirks & in sysc_noirq_suspend()
1435 if (!ddata->enabled) in sysc_noirq_suspend()
1438 ddata->needs_resume = 1; in sysc_noirq_suspend()
1450 if (ddata->cfg.quirks & in sysc_noirq_resume()
1454 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_RESUME) { in sysc_noirq_resume()
1455 error = sysc_reinit_module(ddata, ddata->needs_resume); in sysc_noirq_resume()
1458 } else if (ddata->needs_resume) { in sysc_noirq_resume()
1464 ddata->needs_resume = 0; in sysc_noirq_resume()
1507 SYSC_QUIRK("smartreflex", 0, -ENODEV, 0x24, -ENODEV, 0x00000000, 0xffffffff,
1509 SYSC_QUIRK("smartreflex", 0, -ENODEV, 0x38, -ENODEV, 0x00000000, 0xffffffff,
1524 SYSC_QUIRK("mcpdm", 0x40132000, 0, 0x10, -ENODEV, 0x50000800, 0xffffffff,
1529 SYSC_QUIRK("aess", 0, 0, 0x10, -ENODEV, 0x40000000, 0xffffffff,
1532 SYSC_QUIRK("dcan", 0x4ae3c000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff,
1534 SYSC_QUIRK("dcan", 0x48480000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff,
1538 SYSC_QUIRK("dss", 0x58000000, 0, -ENODEV, 0x14, 0x00000040, 0xffffffff,
1540 SYSC_QUIRK("dss", 0x58000000, 0, -ENODEV, 0x14, 0x00000061, 0xffffffff,
1542 SYSC_QUIRK("dwc3", 0x48880000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
1544 SYSC_QUIRK("dwc3", 0x488c0000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
1548 SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50030200, 0xffffffff,
1562 SYSC_QUIRK("gpu", 0x50000000, 0x14, -ENODEV, -ENODEV, 0x00010201, 0xffffffff, 0),
1563 SYSC_QUIRK("gpu", 0x50000000, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff,
1565 SYSC_QUIRK("lcdc", 0, 0, 0x54, -ENODEV, 0x4f201000, 0xffffffff,
1567 SYSC_QUIRK("rtc", 0, 0x74, 0x78, -ENODEV, 0x4eb01908, 0xffff00f0,
1569 SYSC_QUIRK("tptc", 0, 0, 0x10, -ENODEV, 0x40006c00, 0xffffefff,
1571 SYSC_QUIRK("tptc", 0, 0, -ENODEV, -ENODEV, 0x40007c00, 0xffffffff,
1575 SYSC_QUIRK("usb_host_hs", 0, 0, 0x10, -ENODEV, 0x50700101, 0xffffffff,
1579 SYSC_QUIRK("usb_otg_hs", 0, 0, 0x10, -ENODEV, 0x4ea2080d, 0xffffffff,
1585 SYSC_QUIRK("pruss", 0, 0x26000, 0x26004, -ENODEV, 0x47000000, 0xff000000,
1592 SYSC_QUIRK("adc", 0, 0, 0x10, -ENODEV, 0x47300001, 0xffffffff, 0),
1593 SYSC_QUIRK("atl", 0, 0, -ENODEV, -ENODEV, 0x0a070100, 0xffffffff, 0),
1594 SYSC_QUIRK("cm", 0, 0, -ENODEV, -ENODEV, 0x40000301, 0xffffffff, 0),
1595 SYSC_QUIRK("control", 0, 0, 0x10, -ENODEV, 0x40000900, 0xffffffff, 0),
1598 SYSC_QUIRK("dcan", 0, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff, 0),
1599 SYSC_QUIRK("dcan", 0, 0x20, -ENODEV, -ENODEV, 0x4edb1902, 0xffffffff, 0),
1603 SYSC_QUIRK("dmic", 0, 0, 0x10, -ENODEV, 0x50010000, 0xffffffff, 0),
1608 SYSC_QUIRK("dwc3", 0, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff, 0),
1611 SYSC_QUIRK("epwmss", 0, 0, 0x4, -ENODEV, 0x47400001, 0xffffffff, 0),
1612 SYSC_QUIRK("gpu", 0, 0x1fc00, 0x1fc10, -ENODEV, 0, 0, 0),
1613 SYSC_QUIRK("gpu", 0, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff, 0),
1614 SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50031d00, 0xffffffff, 0),
1616 SYSC_QUIRK("iss", 0, 0, 0x10, -ENODEV, 0x40000101, 0xffffffff, 0),
1617 SYSC_QUIRK("mcasp", 0, 0, 0x4, -ENODEV, 0x44306302, 0xffffffff, 0),
1618 SYSC_QUIRK("mcasp", 0, 0, 0x4, -ENODEV, 0x44307b02, 0xffffffff, 0),
1619 SYSC_QUIRK("mcbsp", 0, -ENODEV, 0x8c, -ENODEV, 0, 0, 0),
1620 SYSC_QUIRK("mcspi", 0, 0, 0x10, -ENODEV, 0x40300a0b, 0xffff00ff, 0),
1622 SYSC_QUIRK("mailbox", 0, 0, 0x10, -ENODEV, 0x00000400, 0xffffffff, 0),
1623 SYSC_QUIRK("m3", 0, 0, -ENODEV, -ENODEV, 0x5f580105, 0x0fff0f00, 0),
1625 SYSC_QUIRK("ocp2scp", 0, 0, -ENODEV, -ENODEV, 0x50060007, 0xffffffff, 0),
1626 SYSC_QUIRK("padconf", 0, 0, 0x10, -ENODEV, 0x4fff0800, 0xffffffff, 0),
1627 SYSC_QUIRK("padconf", 0, 0, -ENODEV, -ENODEV, 0x40001100, 0xffffffff, 0),
1628 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x40000100, 0xffffffff, 0),
1629 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x00004102, 0xffffffff, 0),
1630 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x40000400, 0xffffffff, 0),
1633 SYSC_QUIRK("scm", 0, 0, 0x10, -ENODEV, 0x40000900, 0xffffffff, 0),
1634 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4e8b0100, 0xffffffff, 0),
1635 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4f000100, 0xffffffff, 0),
1636 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x40000900, 0xffffffff, 0),
1637 SYSC_QUIRK("scrm", 0, 0, -ENODEV, -ENODEV, 0x00000010, 0xffffffff, 0),
1638 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("spinlock", 0, 0, 0x10, -ENODEV, 0x50020000, 0xffffffff, 0),
1644 SYSC_QUIRK("rng", 0, 0x1fe0, 0x1fe4, -ENODEV, 0x00000020, 0xffffffff, 0),
1648 SYSC_QUIRK("timer", 0, 0, 0x10, -ENODEV, 0x50002100, 0xffffffff, 0),
1649 SYSC_QUIRK("timer", 0, 0, 0x10, -ENODEV, 0x4fff1301, 0xffff00ff, 0),
1650 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000040, 0xffffffff, 0),
1651 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000011, 0xffffffff, 0),
1652 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000060, 0xffffffff, 0),
1653 SYSC_QUIRK("tpcc", 0, 0, -ENODEV, -ENODEV, 0x40014c00, 0xffffffff, 0),
1656 SYSC_QUIRK("venc", 0x58003000, 0, -ENODEV, -ENODEV, 0x00000002, 0xffffffff, 0),
1657 SYSC_QUIRK("vfpe", 0, 0, 0x104, -ENODEV, 0x4d001200, 0xffffffff, 0),
1673 if (!q->base) in sysc_init_early_quirks()
1676 if (q->base != ddata->module_pa) in sysc_init_early_quirks()
1679 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_early_quirks()
1682 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_early_quirks()
1685 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_early_quirks()
1688 ddata->name = q->name; in sysc_init_early_quirks()
1689 ddata->cfg.quirks |= q->quirks; in sysc_init_early_quirks()
1702 if (q->base && q->base != ddata->module_pa) in sysc_init_revision_quirks()
1705 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_revision_quirks()
1708 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_revision_quirks()
1711 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_revision_quirks()
1714 if (q->revision == ddata->revision || in sysc_init_revision_quirks()
1715 (q->revision & q->revision_mask) == in sysc_init_revision_quirks()
1716 (ddata->revision & q->revision_mask)) { in sysc_init_revision_quirks()
1717 ddata->name = q->name; in sysc_init_revision_quirks()
1718 ddata->cfg.quirks |= q->quirks; in sysc_init_revision_quirks()
1726 * dispc init rather than top-level DSS init.
1737 switch (sysc_soc->soc) { in sysc_quirk_dispc()
1759 devm_iounmap(ddata->dev, ddata->module_va); in sysc_quirk_dispc()
1760 ddata->module_va = devm_ioremap(ddata->dev, in sysc_quirk_dispc()
1761 ddata->module_pa, in sysc_quirk_dispc()
1762 ddata->module_size); in sysc_quirk_dispc()
1763 if (!ddata->module_va) in sysc_quirk_dispc()
1764 return -EIO; in sysc_quirk_dispc()
1828 error = readl_poll_timeout(ddata->module_va + dispc_offset + 0x18, in sysc_pre_reset_quirk_dss()
1831 dev_warn(ddata->dev, "%s: timed out %08x !+ %08x\n", in sysc_pre_reset_quirk_dss()
1834 if (sysc_soc->soc == SOC_3430 || sysc_soc->soc == SOC_AM35) { in sysc_pre_reset_quirk_dss()
1846 /* 1-wire needs module's internal clocks enabled for reset */
1872 if ((ddata->revision & 0xffffff00) == 0x001f0000) in sysc_clk_quirk_i2c()
1910 error = readl_poll_timeout_atomic(ddata->module_va + 0x44, val, in sysc_quirk_rtc()
1913 dev_warn(ddata->dev, "rtc busy timeout\n"); in sysc_quirk_rtc()
1930 /* 36xx SGX needs a quirk for to bypass OCP IPG interrupt logic */
1949 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
1953 dev_warn(ddata->dev, "wdt disable step1 failed\n"); in sysc_reset_done_quirk_wdt()
1956 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
1960 dev_warn(ddata->dev, "wdt disable step2 failed\n"); in sysc_reset_done_quirk_wdt()
1968 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_module_disable_quirk_pruss()
1970 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg); in sysc_module_disable_quirk_pruss()
1975 if (ddata->legacy_mode || !ddata->name) in sysc_init_module_quirks()
1978 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_HDQ1W) { in sysc_init_module_quirks()
1979 ddata->pre_reset_quirk = sysc_pre_reset_quirk_hdq1w; in sysc_init_module_quirks()
1985 if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) { in sysc_init_module_quirks()
1986 ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT; in sysc_init_module_quirks()
1992 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) { in sysc_init_module_quirks()
1993 ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c; in sysc_init_module_quirks()
1994 ddata->post_reset_quirk = sysc_post_reset_quirk_i2c; in sysc_init_module_quirks()
1999 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_AESS) in sysc_init_module_quirks()
2000 ddata->module_enable_quirk = sysc_module_enable_quirk_aess; in sysc_init_module_quirks()
2002 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_DSS_RESET) in sysc_init_module_quirks()
2003 ddata->pre_reset_quirk = sysc_pre_reset_quirk_dss; in sysc_init_module_quirks()
2005 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_RTC_UNLOCK) { in sysc_init_module_quirks()
2006 ddata->module_unlock_quirk = sysc_module_unlock_quirk_rtc; in sysc_init_module_quirks()
2007 ddata->module_lock_quirk = sysc_module_lock_quirk_rtc; in sysc_init_module_quirks()
2012 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_SGX) in sysc_init_module_quirks()
2013 ddata->module_enable_quirk = sysc_module_enable_quirk_sgx; in sysc_init_module_quirks()
2015 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_WDT) { in sysc_init_module_quirks()
2016 ddata->reset_done_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2017 ddata->module_disable_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2020 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_PRUSS) in sysc_init_module_quirks()
2021 ddata->module_disable_quirk = sysc_module_disable_quirk_pruss; in sysc_init_module_quirks()
2026 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_clockdomain_init()
2030 if (!pdata || !pdata->init_clockdomain) in sysc_clockdomain_init()
2033 switch (ddata->nr_clocks) { in sysc_clockdomain_init()
2035 ick = ddata->clocks[SYSC_ICK]; in sysc_clockdomain_init()
2038 fck = ddata->clocks[SYSC_FCK]; in sysc_clockdomain_init()
2044 error = pdata->init_clockdomain(ddata->dev, fck, ick, &ddata->cookie); in sysc_clockdomain_init()
2045 if (!error || error == -ENODEV) in sysc_clockdomain_init()
2052 * Note that pdata->init_module() typically does a reset first. After
2053 * pdata->init_module() is done, PM runtime can be used for the interconnect
2058 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_legacy_init()
2061 if (!pdata || !pdata->init_module) in sysc_legacy_init()
2064 error = pdata->init_module(ddata->dev, ddata->mdata, &ddata->cookie); in sysc_legacy_init()
2065 if (error == -EEXIST) in sysc_legacy_init()
2080 sysc_offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_reset()
2082 if (ddata->legacy_mode || in sysc_reset()
2083 ddata->cap->regbits->srst_shift < 0 || in sysc_reset()
2084 ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) in sysc_reset()
2087 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_reset()
2089 if (ddata->pre_reset_quirk) in sysc_reset()
2090 ddata->pre_reset_quirk(ddata); in sysc_reset()
2102 if (ddata->cfg.srst_udelay) in sysc_reset()
2103 fsleep(ddata->cfg.srst_udelay); in sysc_reset()
2113 if (ddata->post_reset_quirk) in sysc_reset()
2114 ddata->post_reset_quirk(ddata); in sysc_reset()
2118 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_reset()
2120 if (ddata->reset_done_quirk) in sysc_reset()
2121 ddata->reset_done_quirk(ddata); in sysc_reset()
2154 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) { in sysc_init_module()
2155 error = reset_control_deassert(ddata->rsts); in sysc_init_module()
2160 ddata->revision = sysc_read_revision(ddata); in sysc_init_module()
2164 if (ddata->legacy_mode) { in sysc_init_module()
2170 if (!ddata->legacy_mode) { in sysc_init_module()
2171 error = sysc_enable_module(ddata->dev); in sysc_init_module()
2178 dev_err(ddata->dev, "Reset failed with %d\n", error); in sysc_init_module()
2180 if (error && !ddata->legacy_mode) in sysc_init_module()
2181 sysc_disable_module(ddata->dev); in sysc_init_module()
2184 if (error && !(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_init_module()
2185 reset_control_assert(ddata->rsts); in sysc_init_module()
2191 /* No re-enable of clockdomain autoidle to prevent module autoidle */ in sysc_init_module()
2202 struct device_node *np = ddata->dev->of_node; in sysc_init_sysc_mask()
2206 error = of_property_read_u32(np, "ti,sysc-mask", &val); in sysc_init_sysc_mask()
2210 ddata->cfg.sysc_val = val & ddata->cap->sysc_mask; in sysc_init_sysc_mask()
2218 struct device_node *np = ddata->dev->of_node; in sysc_init_idlemode()
2225 dev_err(ddata->dev, "invalid idlemode: %i\n", val); in sysc_init_idlemode()
2226 return -EINVAL; in sysc_init_idlemode()
2238 error = sysc_init_idlemode(ddata, &ddata->cfg.midlemodes, in sysc_init_idlemodes()
2239 "ti,sysc-midle"); in sysc_init_idlemodes()
2243 error = sysc_init_idlemode(ddata, &ddata->cfg.sidlemodes, in sysc_init_idlemodes()
2244 "ti,sysc-sidle"); in sysc_init_idlemodes()
2260 struct device_node *np = ddata->dev->of_node; in sysc_init_syss_mask()
2264 error = of_property_read_u32(np, "ti,syss-mask", &val); in sysc_init_syss_mask()
2266 if ((ddata->cap->type == TI_SYSC_OMAP4 || in sysc_init_syss_mask()
2267 ddata->cap->type == TI_SYSC_OMAP4_TIMER) && in sysc_init_syss_mask()
2268 (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2269 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2274 if (!(val & 1) && (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2275 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2277 ddata->cfg.syss_mask = val; in sysc_init_syss_mask()
2299 error = -EEXIST; in sysc_child_add_named_clock()
2303 clk = clk_get(ddata->dev, name); in sysc_child_add_named_clock()
2305 return -ENODEV; in sysc_child_add_named_clock()
2309 error = -ENOMEM; in sysc_child_add_named_clock()
2321 for (i = 0; i < ddata->nr_clocks; i++) { in sysc_child_add_clocks()
2324 ddata->clock_roles[i]); in sysc_child_add_clocks()
2325 if (error && error != -EEXIST) { in sysc_child_add_clocks()
2326 dev_err(ddata->dev, "could not add child clock %s: %i\n", in sysc_child_add_clocks()
2327 ddata->clock_roles[i], error); in sysc_child_add_clocks()
2341 struct device *parent = dev->parent; in sysc_child_to_parent()
2343 if (!parent || parent->type != &sysc_device_type) in sysc_child_to_parent()
2360 if (!ddata->enabled) in sysc_child_runtime_suspend()
2363 return sysc_runtime_suspend(ddata->dev); in sysc_child_runtime_suspend()
2373 if (!ddata->enabled) { in sysc_child_runtime_resume()
2374 error = sysc_runtime_resume(ddata->dev); in sysc_child_runtime_resume()
2376 dev_err(ddata->dev, in sysc_child_runtime_resume()
2391 dev_dbg(ddata->dev, "%s %s\n", __func__, in sysc_child_suspend_noirq()
2392 ddata->name ? ddata->name : ""); in sysc_child_suspend_noirq()
2411 error = sysc_runtime_suspend(ddata->dev); in sysc_child_suspend_noirq()
2419 ddata->child_needs_resume = true; in sysc_child_suspend_noirq()
2432 dev_dbg(ddata->dev, "%s %s\n", __func__, in sysc_child_resume_noirq()
2433 ddata->name ? ddata->name : ""); in sysc_child_resume_noirq()
2435 if (ddata->child_needs_resume) { in sysc_child_resume_noirq()
2436 ddata->child_needs_resume = false; in sysc_child_resume_noirq()
2438 error = sysc_runtime_resume(ddata->dev); in sysc_child_resume_noirq()
2440 dev_err(ddata->dev, in sysc_child_resume_noirq()
2446 dev_err(ddata->dev, in sysc_child_resume_noirq()
2473 list_for_each(pos, &sysc_soc->restored_modules) { in sysc_reinit_modules()
2475 ddata = module->ddata; in sysc_reinit_modules()
2476 sysc_reinit_module(ddata, ddata->enabled); in sysc_reinit_modules()
2481 * sysc_context_notifier - optionally reset and restore module after idle
2511 * sysc_add_restored - optionally add reset and restore quirk hanlling
2522 restored_module->ddata = ddata; in sysc_add_restored()
2524 mutex_lock(&sysc_soc->list_lock); in sysc_add_restored()
2526 list_add(&restored_module->node, &sysc_soc->restored_modules); in sysc_add_restored()
2528 if (sysc_soc->nb.notifier_call) in sysc_add_restored()
2531 sysc_soc->nb.notifier_call = sysc_context_notifier; in sysc_add_restored()
2532 cpu_pm_register_notifier(&sysc_soc->nb); in sysc_add_restored()
2535 mutex_unlock(&sysc_soc->list_lock); in sysc_add_restored()
2539 * sysc_legacy_idle_quirk - handle children in omap_device compatible way
2553 if (ddata->cfg.quirks & SYSC_QUIRK_LEGACY_IDLE) in sysc_legacy_idle_quirk()
2593 { .name = "ti,no-idle-on-init",
2595 { .name = "ti,no-reset-on-init",
2597 { .name = "ti,no-idle",
2614 ddata->cfg.quirks |= sysc_dts_quirks[i].mask; in sysc_parse_dts_quirks()
2616 dev_warn(ddata->dev, in sysc_parse_dts_quirks()
2625 struct device_node *np = ddata->dev->of_node; in sysc_init_dts_quirks()
2629 ddata->legacy_mode = of_get_property(np, "ti,hwmods", NULL); in sysc_init_dts_quirks()
2632 error = of_property_read_u32(np, "ti,sysc-delay-us", &val); in sysc_init_dts_quirks()
2635 dev_warn(ddata->dev, "bad ti,sysc-delay-us: %i\n", in sysc_init_dts_quirks()
2639 ddata->cfg.srst_udelay = (u8)val; in sysc_init_dts_quirks()
2649 if (!ddata->clocks) in sysc_unprepare()
2653 if (!IS_ERR_OR_NULL(ddata->clocks[i])) in sysc_unprepare()
2654 clk_unprepare(ddata->clocks[i]); in sysc_unprepare()
2662 .dmadisable_shift = -ENODEV,
2695 .dmadisable_shift = -ENODEV,
2696 .midle_shift = -ENODEV,
2698 .clkact_shift = -ENODEV,
2699 .enwkup_shift = -ENODEV,
2702 .emufree_shift = -ENODEV,
2716 .dmadisable_shift = -ENODEV,
2717 .midle_shift = -ENODEV,
2719 .clkact_shift = -ENODEV,
2720 .enwkup_shift = -ENODEV,
2723 .emufree_shift = -ENODEV,
2739 .clkact_shift = -ENODEV,
2740 .enwkup_shift = -ENODEV,
2743 .autoidle_shift = -ENODEV,
2764 .dmadisable_shift = -ENODEV,
2767 .clkact_shift = -ENODEV,
2768 .enwkup_shift = -ENODEV,
2769 .srst_shift = -ENODEV,
2770 .emufree_shift = -ENODEV,
2771 .autoidle_shift = -ENODEV,
2783 .dmadisable_shift = -ENODEV,
2784 .midle_shift = -ENODEV,
2785 .sidle_shift = -ENODEV,
2787 .enwkup_shift = -ENODEV,
2788 .srst_shift = -ENODEV,
2789 .emufree_shift = -ENODEV,
2790 .autoidle_shift = -ENODEV,
2805 .dmadisable_shift = -ENODEV,
2806 .midle_shift = -ENODEV,
2808 .clkact_shift = -ENODEV,
2810 .srst_shift = -ENODEV,
2811 .emufree_shift = -ENODEV,
2812 .autoidle_shift = -ENODEV,
2832 .dmadisable_shift = -ENODEV,
2833 .midle_shift = -ENODEV,
2835 .clkact_shift = -ENODEV,
2836 .enwkup_shift = -ENODEV,
2837 .srst_shift = -ENODEV,
2838 .emufree_shift = -ENODEV,
2839 .autoidle_shift = -ENODEV,
2861 .dmadisable_shift = -ENODEV,
2862 .midle_shift = -ENODEV,
2864 .clkact_shift = -ENODEV,
2866 .srst_shift = -ENODEV,
2867 .emufree_shift = -ENODEV,
2868 .autoidle_shift = -ENODEV,
2878 .dmadisable_shift = -ENODEV,
2879 .midle_shift = -ENODEV,
2880 .sidle_shift = -ENODEV,
2881 .clkact_shift = -ENODEV,
2884 .emufree_shift = -ENODEV,
2885 .autoidle_shift = -ENODEV,
2907 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_init_pdata()
2913 mdata = devm_kzalloc(ddata->dev, sizeof(*mdata), GFP_KERNEL); in sysc_init_pdata()
2915 return -ENOMEM; in sysc_init_pdata()
2917 if (ddata->legacy_mode) { in sysc_init_pdata()
2918 mdata->name = ddata->legacy_mode; in sysc_init_pdata()
2919 mdata->module_pa = ddata->module_pa; in sysc_init_pdata()
2920 mdata->module_size = ddata->module_size; in sysc_init_pdata()
2921 mdata->offsets = ddata->offsets; in sysc_init_pdata()
2922 mdata->nr_offsets = SYSC_MAX_REGS; in sysc_init_pdata()
2923 mdata->cap = ddata->cap; in sysc_init_pdata()
2924 mdata->cfg = &ddata->cfg; in sysc_init_pdata()
2927 ddata->mdata = mdata; in sysc_init_pdata()
2936 cap = of_device_get_match_data(ddata->dev); in sysc_init_match()
2938 return -EINVAL; in sysc_init_match()
2940 ddata->cap = cap; in sysc_init_match()
2941 if (ddata->cap) in sysc_init_match()
2942 ddata->cfg.quirks |= ddata->cap->mod_quirks; in sysc_init_match()
2959 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in ti_sysc_idle()
2967 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in ti_sysc_idle()
2974 if (pm_runtime_active(ddata->dev)) in ti_sysc_idle()
2975 pm_runtime_put_sync(ddata->dev); in ti_sysc_idle()
3026 return -ENOMEM; in sysc_add_disabled()
3028 disabled_module->base = base; in sysc_add_disabled()
3030 mutex_lock(&sysc_soc->list_lock); in sysc_add_disabled()
3031 list_add(&disabled_module->node, &sysc_soc->disabled_modules); in sysc_add_disabled()
3032 mutex_unlock(&sysc_soc->list_lock); in sysc_add_disabled()
3041 * Note that we initialize static data shared across all ti-sysc instances
3056 return -ENOMEM; in sysc_init_static_data()
3058 mutex_init(&sysc_soc->list_lock); in sysc_init_static_data()
3059 INIT_LIST_HEAD(&sysc_soc->disabled_modules); in sysc_init_static_data()
3060 INIT_LIST_HEAD(&sysc_soc->restored_modules); in sysc_init_static_data()
3061 sysc_soc->general_purpose = true; in sysc_init_static_data()
3063 pdata = dev_get_platdata(ddata->dev); in sysc_init_static_data()
3064 if (pdata && pdata->soc_type_gp) in sysc_init_static_data()
3065 sysc_soc->general_purpose = pdata->soc_type_gp(); in sysc_init_static_data()
3068 if (match && match->data) in sysc_init_static_data()
3069 sysc_soc->soc = (enum sysc_soc)(uintptr_t)match->data; in sysc_init_static_data()
3072 if (!sysc_soc->general_purpose) { in sysc_init_static_data()
3073 switch (sysc_soc->soc) { in sysc_init_static_data()
3089 if (match->data) in sysc_init_static_data()
3090 features = (unsigned long)match->data; in sysc_init_static_data()
3116 if (sysc_soc->nb.notifier_call) in sysc_cleanup_static_data()
3117 cpu_pm_unregister_notifier(&sysc_soc->nb); in sysc_cleanup_static_data()
3119 mutex_lock(&sysc_soc->list_lock); in sysc_cleanup_static_data()
3120 list_for_each_safe(pos, tmp, &sysc_soc->restored_modules) { in sysc_cleanup_static_data()
3125 list_for_each_safe(pos, tmp, &sysc_soc->disabled_modules) { in sysc_cleanup_static_data()
3130 mutex_unlock(&sysc_soc->list_lock); in sysc_cleanup_static_data()
3139 mutex_lock(&sysc_soc->list_lock); in sysc_check_disabled_devices()
3140 list_for_each(pos, &sysc_soc->disabled_modules) { in sysc_check_disabled_devices()
3142 if (ddata->module_pa == disabled_module->base) { in sysc_check_disabled_devices()
3143 dev_dbg(ddata->dev, "module disabled for this SoC\n"); in sysc_check_disabled_devices()
3144 error = -ENODEV; in sysc_check_disabled_devices()
3148 mutex_unlock(&sysc_soc->list_lock); in sysc_check_disabled_devices()
3154 * Ignore timers tagged with no-reset and no-idle. These are likely in use,
3155 * for example by drivers/clocksource/timer-ti-dm-systimer.c. If more checks
3162 if (ddata->cap->type != TI_SYSC_OMAP2_TIMER && in sysc_check_active_timer()
3163 ddata->cap->type != TI_SYSC_OMAP4_TIMER) in sysc_check_active_timer()
3173 if (sysc_soc->soc == SOC_3430 || sysc_soc->soc == SOC_AM35) in sysc_check_active_timer()
3174 error = -ENXIO; in sysc_check_active_timer()
3176 error = -EBUSY; in sysc_check_active_timer()
3178 if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) && in sysc_check_active_timer()
3179 (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE)) in sysc_check_active_timer()
3186 { .compatible = "simple-bus", },
3192 struct ti_sysc_platform_data *pdata = dev_get_platdata(&pdev->dev); in sysc_probe()
3196 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); in sysc_probe()
3198 return -ENOMEM; in sysc_probe()
3200 ddata->dev = &pdev->dev; in sysc_probe()
3242 if (error == -ENXIO) in sysc_probe()
3243 ddata->reserved = true; in sysc_probe()
3259 pm_runtime_enable(ddata->dev); in sysc_probe()
3260 error = pm_runtime_get_sync(ddata->dev); in sysc_probe()
3262 pm_runtime_put_noidle(ddata->dev); in sysc_probe()
3263 pm_runtime_disable(ddata->dev); in sysc_probe()
3268 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_probe()
3269 reset_control_assert(ddata->rsts); in sysc_probe()
3271 if (!(ddata->cfg.quirks & in sysc_probe()
3280 ddata->dev->type = &sysc_device_type; in sysc_probe()
3282 if (!ddata->reserved) { in sysc_probe()
3283 error = of_platform_populate(ddata->dev->of_node, in sysc_probe()
3285 pdata ? pdata->auxdata : NULL, in sysc_probe()
3286 ddata->dev); in sysc_probe()
3291 INIT_DELAYED_WORK(&ddata->idle_work, ti_sysc_idle); in sysc_probe()
3294 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in sysc_probe()
3297 schedule_delayed_work(&ddata->idle_work, 3000); in sysc_probe()
3299 pm_runtime_put(&pdev->dev); in sysc_probe()
3302 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_CTX_LOST) in sysc_probe()
3308 pm_runtime_put_sync(&pdev->dev); in sysc_probe()
3309 pm_runtime_disable(&pdev->dev); in sysc_probe()
3322 if (cancel_delayed_work_sync(&ddata->idle_work)) in sysc_remove()
3323 ti_sysc_idle(&ddata->idle_work.work); in sysc_remove()
3325 error = pm_runtime_get_sync(ddata->dev); in sysc_remove()
3327 pm_runtime_put_noidle(ddata->dev); in sysc_remove()
3328 pm_runtime_disable(ddata->dev); in sysc_remove()
3332 of_platform_depopulate(&pdev->dev); in sysc_remove()
3334 pm_runtime_put_sync(&pdev->dev); in sysc_remove()
3335 pm_runtime_disable(&pdev->dev); in sysc_remove()
3337 if (!reset_control_status(ddata->rsts)) in sysc_remove()
3338 reset_control_assert(ddata->rsts); in sysc_remove()
3347 { .compatible = "ti,sysc-omap2", .data = &sysc_omap2, },
3348 { .compatible = "ti,sysc-omap2-timer", .data = &sysc_omap2_timer, },
3349 { .compatible = "ti,sysc-omap4", .data = &sysc_omap4, },
3350 { .compatible = "ti,sysc-omap4-timer", .data = &sysc_omap4_timer, },
3351 { .compatible = "ti,sysc-omap4-simple", .data = &sysc_omap4_simple, },
3352 { .compatible = "ti,sysc-omap3430-sr", .data = &sysc_34xx_sr, },
3353 { .compatible = "ti,sysc-omap3630-sr", .data = &sysc_36xx_sr, },
3354 { .compatible = "ti,sysc-omap4-sr", .data = &sysc_omap4_sr, },
3355 { .compatible = "ti,sysc-omap3-sham", .data = &sysc_omap3_sham, },
3356 { .compatible = "ti,sysc-omap-aes", .data = &sysc_omap3_aes, },
3357 { .compatible = "ti,sysc-mcasp", .data = &sysc_omap4_mcasp, },
3358 { .compatible = "ti,sysc-dra7-mcasp", .data = &sysc_dra7_mcasp, },
3359 { .compatible = "ti,sysc-usb-host-fs",
3361 { .compatible = "ti,sysc-dra7-mcan", .data = &sysc_dra7_mcan, },
3362 { .compatible = "ti,sysc-pruss", .data = &sysc_pruss, },
3371 .name = "ti-sysc",