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
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()
241 int error, retries; in sysc_poll_reset_sysstatus() local
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()
254 retries = MAX_MODULE_SOFTRESET_WAIT; 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()
269 int error, retries; in sysc_poll_reset_sysconfig() local
272 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_poll_reset_sysconfig()
279 retries = MAX_MODULE_SOFTRESET_WAIT; 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()
687 uart = of_get_property(np, "stdout-path", NULL); in sysc_init_stdout_path()
700 stdout_path = ERR_PTR(-ENODEV); in sysc_init_stdout_path()
710 ddata->cfg.quirks |= SYSC_QUIRK_NO_IDLE_ON_INIT | in sysc_check_quirk_stdout()
715 * sysc_check_one_child - check child configuration
730 dev_warn(ddata->dev, "really a child ti,hwmods property?"); in sysc_check_one_child()
740 for_each_child_of_node(ddata->dev->of_node, child) in sysc_check_children()
745 * So far only I2C uses 16-bit read access with clockactivity with revision
753 ddata->cfg.quirks |= SYSC_QUIRK_16BIT | SYSC_QUIRK_USE_CLOCKACT; in sysc_check_quirk_16bit()
757 * sysc_parse_one - parses the interconnect target module registers
773 return -EINVAL; in sysc_parse_one()
776 res = platform_get_resource_byname(to_platform_device(ddata->dev), in sysc_parse_one()
779 ddata->offsets[reg] = -ENODEV; in sysc_parse_one()
784 ddata->offsets[reg] = res->start - ddata->module_pa; in sysc_parse_one()
805 * sysc_check_registers - check for misconfigured register overlaps
813 if (ddata->offsets[i] < 0) in sysc_check_registers()
816 if (ddata->offsets[i] > (ddata->module_size - 4)) { in sysc_check_registers()
817 dev_err(ddata->dev, "register outside module range"); in sysc_check_registers()
819 return -EINVAL; in sysc_check_registers()
823 if (ddata->offsets[j] < 0) in sysc_check_registers()
826 if (ddata->offsets[i] == ddata->offsets[j]) in sysc_check_registers()
833 dev_err(ddata->dev, "overlapping registers: (%i/%i)", in sysc_check_registers()
836 return -EINVAL; in sysc_check_registers()
843 * sysc_ioremap - ioremap register space for the interconnect target module
857 if (ddata->offsets[SYSC_REVISION] < 0 && in sysc_ioremap()
858 ddata->offsets[SYSC_SYSCONFIG] < 0 && in sysc_ioremap()
859 ddata->offsets[SYSC_SYSSTATUS] < 0) { in sysc_ioremap()
860 size = ddata->module_size; in sysc_ioremap()
862 size = max3(ddata->offsets[SYSC_REVISION], in sysc_ioremap()
863 ddata->offsets[SYSC_SYSCONFIG], in sysc_ioremap()
864 ddata->offsets[SYSC_SYSSTATUS]); in sysc_ioremap()
869 if ((size + sizeof(u32)) > ddata->module_size) in sysc_ioremap()
870 size = ddata->module_size; in sysc_ioremap()
873 ddata->module_va = devm_ioremap(ddata->dev, in sysc_ioremap()
874 ddata->module_pa, in sysc_ioremap()
876 if (!ddata->module_va) in sysc_ioremap()
877 return -EIO; in sysc_ioremap()
883 * sysc_map_and_check_registers - ioremap and check device registers
888 struct device_node *np = ddata->dev->of_node; in sysc_map_and_check_registers()
916 * sysc_show_rev - read and show interconnect target module revision
924 if (ddata->offsets[SYSC_REVISION] < 0) in sysc_show_rev()
927 len = sprintf(bufp, ":%08x", ddata->revision); in sysc_show_rev()
935 if (ddata->offsets[reg] < 0) in sysc_show_reg()
938 return sprintf(bufp, ":%x", ddata->offsets[reg]); in sysc_show_reg()
943 if (!ddata->name) in sysc_show_name()
946 return sprintf(bufp, ":%s", ddata->name); in sysc_show_name()
950 * sysc_show_registers - show information about interconnect target module
965 dev_dbg(ddata->dev, "%llx:%x%s\n", in sysc_show_registers()
966 ddata->module_pa, ddata->module_size, in sysc_show_registers()
971 * sysc_write_sysconfig - handle sysconfig quirks for register write
977 if (ddata->module_unlock_quirk) in sysc_write_sysconfig()
978 ddata->module_unlock_quirk(ddata); in sysc_write_sysconfig()
980 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], value); in sysc_write_sysconfig()
982 if (ddata->module_lock_quirk) in sysc_write_sysconfig()
983 ddata->module_lock_quirk(ddata); in sysc_write_sysconfig()
986 #define SYSC_IDLE_MASK (SYSC_NR_IDLEMODES - 1)
1001 * reset clocks and wait for OCP softreset to complete. in sysc_enable_module()
1003 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) { in sysc_enable_module()
1006 dev_err(ddata->dev, in sysc_enable_module()
1016 if (!(ddata->cfg.quirks & SYSC_MODULE_QUIRK_ENA_RESETDONE)) { in sysc_enable_module()
1019 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_enable_module()
1021 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) in sysc_enable_module()
1026 * need only the automatic OCP softreset handling with no sysconfig in sysc_enable_module()
1029 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_enable_module()
1032 regbits = ddata->cap->regbits; in sysc_enable_module()
1033 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1040 if (regbits->clkact_shift >= 0 && in sysc_enable_module()
1041 (ddata->cfg.quirks & SYSC_QUIRK_USE_CLOCKACT)) in sysc_enable_module()
1042 reg |= SYSC_CLOCACT_ICK << regbits->clkact_shift; in sysc_enable_module()
1045 idlemodes = ddata->cfg.sidlemodes; in sysc_enable_module()
1046 if (!idlemodes || regbits->sidle_shift < 0) in sysc_enable_module()
1049 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_SIDLE | in sysc_enable_module()
1054 if (regbits->enwkup_shift >= 0 && in sysc_enable_module()
1055 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1056 reg &= ~BIT(regbits->enwkup_shift); in sysc_enable_module()
1058 best_mode = fls(ddata->cfg.sidlemodes) - 1; in sysc_enable_module()
1061 return -EINVAL; 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()
1070 reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift); in sysc_enable_module()
1071 reg |= best_mode << regbits->sidle_shift; in sysc_enable_module()
1076 idlemodes = ddata->cfg.midlemodes; in sysc_enable_module()
1077 if (!idlemodes || regbits->midle_shift < 0) in sysc_enable_module()
1080 best_mode = fls(ddata->cfg.midlemodes) - 1; in sysc_enable_module()
1083 error = -EINVAL; in sysc_enable_module()
1087 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_MSTANDBY) in sysc_enable_module()
1090 reg &= ~(SYSC_IDLE_MASK << regbits->midle_shift); in sysc_enable_module()
1091 reg |= best_mode << regbits->midle_shift; in sysc_enable_module()
1096 if (regbits->autoidle_shift >= 0 && in sysc_enable_module()
1097 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) { in sysc_enable_module()
1098 reg |= 1 << regbits->autoidle_shift; in sysc_enable_module()
1106 ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1108 if (ddata->module_enable_quirk) in sysc_enable_module()
1109 ddata->module_enable_quirk(ddata); in sysc_enable_module()
1123 return -EINVAL; in sysc_best_idle_mode()
1137 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_disable_module()
1140 if (ddata->module_disable_quirk) in sysc_disable_module()
1141 ddata->module_disable_quirk(ddata); in sysc_disable_module()
1143 regbits = ddata->cap->regbits; in sysc_disable_module()
1144 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1147 idlemodes = ddata->cfg.midlemodes; in sysc_disable_module()
1148 if (!idlemodes || regbits->midle_shift < 0) in sysc_disable_module()
1157 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_MSTANDBY) || in sysc_disable_module()
1158 ddata->cfg.quirks & (SYSC_QUIRK_FORCE_MSTANDBY)) in sysc_disable_module()
1161 reg &= ~(SYSC_IDLE_MASK << regbits->midle_shift); in sysc_disable_module()
1162 reg |= best_mode << regbits->midle_shift; in sysc_disable_module()
1167 idlemodes = ddata->cfg.sidlemodes; in sysc_disable_module()
1168 if (!idlemodes || regbits->sidle_shift < 0) { in sysc_disable_module()
1173 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE) { in sysc_disable_module()
1179 ret = -EINVAL; in sysc_disable_module()
1184 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE_ACT) { in sysc_disable_module()
1186 if (regbits->enwkup_shift >= 0 && in sysc_disable_module()
1187 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_disable_module()
1188 reg |= BIT(regbits->enwkup_shift); in sysc_disable_module()
1191 reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift); in sysc_disable_module()
1192 reg |= best_mode << regbits->sidle_shift; in sysc_disable_module()
1193 if (regbits->autoidle_shift >= 0 && in sysc_disable_module()
1194 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) in sysc_disable_module()
1195 reg |= 1 << regbits->autoidle_shift; in sysc_disable_module()
1202 ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1213 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_suspend_legacy()
1217 if (!pdata->idle_module) in sysc_runtime_suspend_legacy()
1218 return -ENODEV; in sysc_runtime_suspend_legacy()
1220 error = pdata->idle_module(dev, &ddata->cookie); in sysc_runtime_suspend_legacy()
1225 reset_control_assert(ddata->rsts); in sysc_runtime_suspend_legacy()
1236 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_resume_legacy()
1240 if (!pdata->enable_module) in sysc_runtime_resume_legacy()
1241 return -ENODEV; in sysc_runtime_resume_legacy()
1243 error = pdata->enable_module(dev, &ddata->cookie); in sysc_runtime_resume_legacy()
1248 reset_control_deassert(ddata->rsts); in sysc_runtime_resume_legacy()
1260 if (!ddata->enabled) in sysc_runtime_suspend()
1265 if (ddata->legacy_mode) { in sysc_runtime_suspend()
1280 ddata->enabled = false; in sysc_runtime_suspend()
1285 reset_control_assert(ddata->rsts); in sysc_runtime_suspend()
1297 if (ddata->enabled) in sysc_runtime_resume()
1313 reset_control_deassert(ddata->rsts); in sysc_runtime_resume()
1315 if (ddata->legacy_mode) { in sysc_runtime_resume()
1325 ddata->enabled = true; in sysc_runtime_resume()
1354 if (!ddata->enabled) in sysc_check_context()
1355 return -ENODATA; in sysc_check_context()
1357 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_check_context()
1358 if (reg == ddata->sysconfig) in sysc_check_context()
1361 return -EACCES; in sysc_check_context()
1366 struct device *dev = ddata->dev; in sysc_reinit_module()
1369 if (ddata->enabled) { in sysc_reinit_module()
1387 if (ddata->cfg.quirks & SYSC_QUIRK_RESET_ON_CTX_LOST) { in sysc_reinit_module()
1392 sysc_write_sysconfig(ddata, ddata->sysconfig); in sysc_reinit_module()
1412 if (ddata->cfg.quirks & in sysc_noirq_suspend()
1416 if (!ddata->enabled) in sysc_noirq_suspend()
1419 ddata->needs_resume = 1; in sysc_noirq_suspend()
1431 if (ddata->cfg.quirks & in sysc_noirq_resume()
1435 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_RESUME) { in sysc_noirq_resume()
1436 error = sysc_reinit_module(ddata, ddata->needs_resume); in sysc_noirq_resume()
1439 } else if (ddata->needs_resume) { in sysc_noirq_resume()
1445 ddata->needs_resume = 0; in sysc_noirq_resume()
1497 SYSC_QUIRK("mcpdm", 0x40132000, 0, 0x10, -ENODEV, 0x50000800, 0xffffffff,
1502 SYSC_QUIRK("aess", 0, 0, 0x10, -ENODEV, 0x40000000, 0xffffffff,
1505 SYSC_QUIRK("dcan", 0x4ae3c000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff,
1507 SYSC_QUIRK("dcan", 0x48480000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff,
1511 SYSC_QUIRK("dss", 0x58000000, 0, -ENODEV, 0x14, 0x00000040, 0xffffffff,
1513 SYSC_QUIRK("dss", 0x58000000, 0, -ENODEV, 0x14, 0x00000061, 0xffffffff,
1515 SYSC_QUIRK("dwc3", 0x48880000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
1517 SYSC_QUIRK("dwc3", 0x488c0000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
1524 SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50030200, 0xffffffff,
1538 SYSC_QUIRK("gpu", 0x50000000, 0x14, -ENODEV, -ENODEV, 0x00010201, 0xffffffff, 0),
1539 SYSC_QUIRK("gpu", 0x50000000, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff,
1541 SYSC_QUIRK("lcdc", 0, 0, 0x54, -ENODEV, 0x4f201000, 0xffffffff,
1543 SYSC_QUIRK("mcasp", 0, 0, 0x4, -ENODEV, 0x44306302, 0xffffffff,
1545 SYSC_QUIRK("rtc", 0, 0x74, 0x78, -ENODEV, 0x4eb01908, 0xffff00f0,
1547 SYSC_QUIRK("tptc", 0, 0, 0x10, -ENODEV, 0x40006c00, 0xffffefff,
1549 SYSC_QUIRK("tptc", 0, 0, -ENODEV, -ENODEV, 0x40007c00, 0xffffffff,
1551 SYSC_QUIRK("sata", 0, 0xfc, 0x1100, -ENODEV, 0x5e412000, 0xffffffff,
1555 SYSC_QUIRK("usb_host_hs", 0, 0, 0x10, -ENODEV, 0x50700101, 0xffffffff,
1566 SYSC_QUIRK("usb_otg_hs", 0, 0, 0x10, -ENODEV, 0x4ea2080d, 0xffffffff,
1572 SYSC_QUIRK("pruss", 0, 0x26000, 0x26004, -ENODEV, 0x47000000, 0xff000000,
1579 SYSC_QUIRK("adc", 0, 0, 0x10, -ENODEV, 0x47300001, 0xffffffff, 0),
1580 SYSC_QUIRK("atl", 0, 0, -ENODEV, -ENODEV, 0x0a070100, 0xffffffff, 0),
1581 SYSC_QUIRK("cm", 0, 0, -ENODEV, -ENODEV, 0x40000301, 0xffffffff, 0),
1582 SYSC_QUIRK("control", 0, 0, 0x10, -ENODEV, 0x40000900, 0xffffffff, 0),
1585 SYSC_QUIRK("dcan", 0, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff, 0),
1586 SYSC_QUIRK("dcan", 0, 0x20, -ENODEV, -ENODEV, 0x4edb1902, 0xffffffff, 0),
1590 SYSC_QUIRK("dmic", 0, 0, 0x10, -ENODEV, 0x50010000, 0xffffffff, 0),
1595 SYSC_QUIRK("dwc3", 0, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff, 0),
1599 SYSC_QUIRK("emif", 0, 0, -ENODEV, -ENODEV, 0x40441403, 0xffff0fff, 0),
1600 SYSC_QUIRK("emif", 0, 0, -ENODEV, -ENODEV, 0x50440500, 0xffffffff, 0),
1601 SYSC_QUIRK("epwmss", 0, 0, 0x4, -ENODEV, 0x47400001, 0xffffffff, 0),
1602 SYSC_QUIRK("gpu", 0, 0x1fc00, 0x1fc10, -ENODEV, 0, 0, 0),
1603 SYSC_QUIRK("gpu", 0, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff, 0),
1604 SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50031d00, 0xffffffff, 0),
1606 SYSC_QUIRK("iss", 0, 0, 0x10, -ENODEV, 0x40000101, 0xffffffff, 0),
1608 SYSC_QUIRK("mcasp", 0, 0, 0x4, -ENODEV, 0x44307b02, 0xffffffff, 0),
1609 SYSC_QUIRK("mcbsp", 0, -ENODEV, 0x8c, -ENODEV, 0, 0, 0),
1610 SYSC_QUIRK("mcspi", 0, 0, 0x10, -ENODEV, 0x40300a0b, 0xffff00ff, 0),
1612 SYSC_QUIRK("mailbox", 0, 0, 0x10, -ENODEV, 0x00000400, 0xffffffff, 0),
1613 SYSC_QUIRK("m3", 0, 0, -ENODEV, -ENODEV, 0x5f580105, 0x0fff0f00, 0),
1615 SYSC_QUIRK("ocp2scp", 0, 0, -ENODEV, -ENODEV, 0x50060007, 0xffffffff, 0),
1616 SYSC_QUIRK("padconf", 0, 0, 0x10, -ENODEV, 0x4fff0800, 0xffffffff, 0),
1617 SYSC_QUIRK("padconf", 0, 0, -ENODEV, -ENODEV, 0x40001100, 0xffffffff, 0),
1618 SYSC_QUIRK("pcie", 0x51000000, -ENODEV, -ENODEV, -ENODEV, 0, 0, 0),
1619 SYSC_QUIRK("pcie", 0x51800000, -ENODEV, -ENODEV, -ENODEV, 0, 0, 0),
1620 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x40000100, 0xffffffff, 0),
1621 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x00004102, 0xffffffff, 0),
1622 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x40000400, 0xffffffff, 0),
1625 SYSC_QUIRK("scm", 0, 0, 0x10, -ENODEV, 0x40000900, 0xffffffff, 0),
1626 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4e8b0100, 0xffffffff, 0),
1627 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4f000100, 0xffffffff, 0),
1628 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x40000900, 0xffffffff, 0),
1629 SYSC_QUIRK("scrm", 0, 0, -ENODEV, -ENODEV, 0x00000010, 0xffffffff, 0),
1630 SYSC_QUIRK("sdio", 0, 0, 0x10, -ENODEV, 0x40202301, 0xffff0ff0, 0),
1634 SYSC_QUIRK("slimbus", 0, 0, 0x10, -ENODEV, 0x40000902, 0xffffffff, 0),
1635 SYSC_QUIRK("slimbus", 0, 0, 0x10, -ENODEV, 0x40002903, 0xffffffff, 0),
1636 SYSC_QUIRK("smartreflex", 0, -ENODEV, 0x24, -ENODEV, 0x00000000, 0xffffffff, 0),
1637 SYSC_QUIRK("smartreflex", 0, -ENODEV, 0x38, -ENODEV, 0x00000000, 0xffffffff, 0),
1638 SYSC_QUIRK("spinlock", 0, 0, 0x10, -ENODEV, 0x50020000, 0xffffffff, 0),
1639 SYSC_QUIRK("rng", 0, 0x1fe0, 0x1fe4, -ENODEV, 0x00000020, 0xffffffff, 0),
1643 SYSC_QUIRK("timer", 0, 0, 0x10, -ENODEV, 0x50002100, 0xffffffff, 0),
1644 SYSC_QUIRK("timer", 0, 0, 0x10, -ENODEV, 0x4fff1301, 0xffff00ff, 0),
1645 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000040, 0xffffffff, 0),
1646 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000011, 0xffffffff, 0),
1647 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000060, 0xffffffff, 0),
1648 SYSC_QUIRK("tpcc", 0, 0, -ENODEV, -ENODEV, 0x40014c00, 0xffffffff, 0),
1651 SYSC_QUIRK("venc", 0x58003000, 0, -ENODEV, -ENODEV, 0x00000002, 0xffffffff, 0),
1652 SYSC_QUIRK("vfpe", 0, 0, 0x104, -ENODEV, 0x4d001200, 0xffffffff, 0),
1668 if (!q->base) in sysc_init_early_quirks()
1671 if (q->base != ddata->module_pa) in sysc_init_early_quirks()
1674 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_early_quirks()
1677 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_early_quirks()
1680 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_early_quirks()
1683 ddata->name = q->name; in sysc_init_early_quirks()
1684 ddata->cfg.quirks |= q->quirks; in sysc_init_early_quirks()
1697 if (q->base && q->base != ddata->module_pa) in sysc_init_revision_quirks()
1700 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_revision_quirks()
1703 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_revision_quirks()
1706 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_revision_quirks()
1709 if (q->revision == ddata->revision || in sysc_init_revision_quirks()
1710 (q->revision & q->revision_mask) == in sysc_init_revision_quirks()
1711 (ddata->revision & q->revision_mask)) { in sysc_init_revision_quirks()
1712 ddata->name = q->name; in sysc_init_revision_quirks()
1713 ddata->cfg.quirks |= q->quirks; in sysc_init_revision_quirks()
1721 * dispc init rather than top-level DSS init.
1732 switch (sysc_soc->soc) { in sysc_quirk_dispc()
1754 devm_iounmap(ddata->dev, ddata->module_va); in sysc_quirk_dispc()
1755 ddata->module_va = devm_ioremap(ddata->dev, in sysc_quirk_dispc()
1756 ddata->module_pa, in sysc_quirk_dispc()
1757 ddata->module_size); in sysc_quirk_dispc()
1758 if (!ddata->module_va) in sysc_quirk_dispc()
1759 return -EIO; in sysc_quirk_dispc()
1823 error = readl_poll_timeout(ddata->module_va + dispc_offset + 0x18, in sysc_pre_reset_quirk_dss()
1826 dev_warn(ddata->dev, "%s: timed out %08x !+ %08x\n", in sysc_pre_reset_quirk_dss()
1829 if (sysc_soc->soc == SOC_3430 || sysc_soc->soc == SOC_AM35) { in sysc_pre_reset_quirk_dss()
1841 /* 1-wire needs module's internal clocks enabled for reset */
1867 if ((ddata->revision & 0xffffff00) == 0x001f0000) in sysc_clk_quirk_i2c()
1905 error = readl_poll_timeout_atomic(ddata->module_va + 0x44, val, in sysc_quirk_rtc()
1908 dev_warn(ddata->dev, "rtc busy timeout\n"); in sysc_quirk_rtc()
1941 /* 36xx SGX needs a quirk for to bypass OCP IPG interrupt logic */
1960 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
1964 dev_warn(ddata->dev, "wdt disable step1 failed\n"); in sysc_reset_done_quirk_wdt()
1967 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
1971 dev_warn(ddata->dev, "wdt disable step2 failed\n"); in sysc_reset_done_quirk_wdt()
1979 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_module_disable_quirk_pruss()
1981 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg); in sysc_module_disable_quirk_pruss()
1986 if (ddata->legacy_mode || !ddata->name) in sysc_init_module_quirks()
1989 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_HDQ1W) { in sysc_init_module_quirks()
1990 ddata->pre_reset_quirk = sysc_pre_reset_quirk_hdq1w; in sysc_init_module_quirks()
1996 if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) { in sysc_init_module_quirks()
1997 ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT; in sysc_init_module_quirks()
2003 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) { in sysc_init_module_quirks()
2004 ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c; in sysc_init_module_quirks()
2005 ddata->post_reset_quirk = sysc_post_reset_quirk_i2c; in sysc_init_module_quirks()
2010 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_AESS) in sysc_init_module_quirks()
2011 ddata->module_enable_quirk = sysc_module_enable_quirk_aess; in sysc_init_module_quirks()
2013 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_DSS_RESET) in sysc_init_module_quirks()
2014 ddata->pre_reset_quirk = sysc_pre_reset_quirk_dss; in sysc_init_module_quirks()
2016 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_RTC_UNLOCK) { in sysc_init_module_quirks()
2017 ddata->module_unlock_quirk = sysc_module_unlock_quirk_rtc; in sysc_init_module_quirks()
2018 ddata->module_lock_quirk = sysc_module_lock_quirk_rtc; in sysc_init_module_quirks()
2023 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_OTG) { in sysc_init_module_quirks()
2024 ddata->module_enable_quirk = sysc_module_enable_quirk_otg; in sysc_init_module_quirks()
2025 ddata->module_disable_quirk = sysc_module_disable_quirk_otg; in sysc_init_module_quirks()
2028 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_SGX) in sysc_init_module_quirks()
2029 ddata->module_enable_quirk = sysc_module_enable_quirk_sgx; in sysc_init_module_quirks()
2031 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_WDT) { in sysc_init_module_quirks()
2032 ddata->reset_done_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2033 ddata->module_disable_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2036 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_PRUSS) in sysc_init_module_quirks()
2037 ddata->module_disable_quirk = sysc_module_disable_quirk_pruss; in sysc_init_module_quirks()
2042 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_clockdomain_init()
2046 if (!pdata || !pdata->init_clockdomain) in sysc_clockdomain_init()
2049 switch (ddata->nr_clocks) { in sysc_clockdomain_init()
2051 ick = ddata->clocks[SYSC_ICK]; in sysc_clockdomain_init()
2054 fck = ddata->clocks[SYSC_FCK]; in sysc_clockdomain_init()
2060 error = pdata->init_clockdomain(ddata->dev, fck, ick, &ddata->cookie); in sysc_clockdomain_init()
2061 if (!error || error == -ENODEV) in sysc_clockdomain_init()
2068 * Note that pdata->init_module() typically does a reset first. After
2069 * pdata->init_module() is done, PM runtime can be used for the interconnect
2074 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_legacy_init()
2077 if (!pdata || !pdata->init_module) in sysc_legacy_init()
2080 error = pdata->init_module(ddata->dev, ddata->mdata, &ddata->cookie); in sysc_legacy_init()
2081 if (error == -EEXIST) in sysc_legacy_init()
2096 sysc_offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_reset()
2098 if (ddata->legacy_mode || in sysc_reset()
2099 ddata->cap->regbits->srst_shift < 0 || in sysc_reset()
2100 ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) in sysc_reset()
2103 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_reset()
2105 if (ddata->pre_reset_quirk) in sysc_reset()
2106 ddata->pre_reset_quirk(ddata); in sysc_reset()
2118 if (ddata->cfg.srst_udelay) in sysc_reset()
2119 fsleep(ddata->cfg.srst_udelay); in sysc_reset()
2129 if (ddata->post_reset_quirk) in sysc_reset()
2130 ddata->post_reset_quirk(ddata); in sysc_reset()
2134 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_reset()
2136 if (ddata->reset_done_quirk) in sysc_reset()
2137 ddata->reset_done_quirk(ddata); in sysc_reset()
2171 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) { in sysc_init_module()
2172 error = reset_control_deassert(ddata->rsts); in sysc_init_module()
2178 ddata->revision = sysc_read_revision(ddata); in sysc_init_module()
2182 if (ddata->legacy_mode) { in sysc_init_module()
2188 if (!ddata->legacy_mode) { in sysc_init_module()
2189 error = sysc_enable_module(ddata->dev); in sysc_init_module()
2196 dev_err(ddata->dev, "Reset failed with %d\n", error); in sysc_init_module()
2198 if (error && !ddata->legacy_mode) in sysc_init_module()
2199 sysc_disable_module(ddata->dev); in sysc_init_module()
2205 /* No re-enable of clockdomain autoidle to prevent module autoidle */ in sysc_init_module()
2212 !(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_init_module()
2213 reset_control_assert(ddata->rsts); in sysc_init_module()
2220 struct device_node *np = ddata->dev->of_node; in sysc_init_sysc_mask()
2224 error = of_property_read_u32(np, "ti,sysc-mask", &val); in sysc_init_sysc_mask()
2228 ddata->cfg.sysc_val = val & ddata->cap->sysc_mask; in sysc_init_sysc_mask()
2236 struct device_node *np = ddata->dev->of_node; in sysc_init_idlemode()
2241 dev_err(ddata->dev, "invalid idlemode: %i\n", val); in sysc_init_idlemode()
2242 return -EINVAL; in sysc_init_idlemode()
2254 error = sysc_init_idlemode(ddata, &ddata->cfg.midlemodes, in sysc_init_idlemodes()
2255 "ti,sysc-midle"); in sysc_init_idlemodes()
2259 error = sysc_init_idlemode(ddata, &ddata->cfg.sidlemodes, in sysc_init_idlemodes()
2260 "ti,sysc-sidle"); in sysc_init_idlemodes()
2276 struct device_node *np = ddata->dev->of_node; in sysc_init_syss_mask()
2280 error = of_property_read_u32(np, "ti,syss-mask", &val); in sysc_init_syss_mask()
2282 if ((ddata->cap->type == TI_SYSC_OMAP4 || in sysc_init_syss_mask()
2283 ddata->cap->type == TI_SYSC_OMAP4_TIMER) && in sysc_init_syss_mask()
2284 (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2285 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2290 if (!(val & 1) && (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2291 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2293 ddata->cfg.syss_mask = val; in sysc_init_syss_mask()
2315 error = -EEXIST; in sysc_child_add_named_clock()
2319 clk = clk_get(ddata->dev, name); in sysc_child_add_named_clock()
2321 return -ENODEV; in sysc_child_add_named_clock()
2325 error = -ENOMEM; in sysc_child_add_named_clock()
2337 for (i = 0; i < ddata->nr_clocks; i++) { in sysc_child_add_clocks()
2340 ddata->clock_roles[i]); in sysc_child_add_clocks()
2341 if (error && error != -EEXIST) { in sysc_child_add_clocks()
2342 dev_err(ddata->dev, "could not add child clock %s: %i\n", in sysc_child_add_clocks()
2343 ddata->clock_roles[i], error); in sysc_child_add_clocks()
2357 struct device *parent = dev->parent; in sysc_child_to_parent()
2359 if (!parent || parent->type != &sysc_device_type) in sysc_child_to_parent()
2376 if (!ddata->enabled) in sysc_child_runtime_suspend()
2379 return sysc_runtime_suspend(ddata->dev); in sysc_child_runtime_suspend()
2389 if (!ddata->enabled) { in sysc_child_runtime_resume()
2390 error = sysc_runtime_resume(ddata->dev); in sysc_child_runtime_resume()
2392 dev_err(ddata->dev, in sysc_child_runtime_resume()
2407 dev_dbg(ddata->dev, "%s %s\n", __func__, in sysc_child_suspend_noirq()
2408 ddata->name ? ddata->name : ""); in sysc_child_suspend_noirq()
2427 error = sysc_runtime_suspend(ddata->dev); in sysc_child_suspend_noirq()
2435 ddata->child_needs_resume = true; in sysc_child_suspend_noirq()
2448 dev_dbg(ddata->dev, "%s %s\n", __func__, in sysc_child_resume_noirq()
2449 ddata->name ? ddata->name : ""); in sysc_child_resume_noirq()
2451 if (ddata->child_needs_resume) { in sysc_child_resume_noirq()
2452 ddata->child_needs_resume = false; in sysc_child_resume_noirq()
2454 error = sysc_runtime_resume(ddata->dev); in sysc_child_resume_noirq()
2456 dev_err(ddata->dev, in sysc_child_resume_noirq()
2462 dev_err(ddata->dev, in sysc_child_resume_noirq()
2488 list_for_each_entry(module, &sysc_soc->restored_modules, node) { in sysc_reinit_modules()
2489 ddata = module->ddata; in sysc_reinit_modules()
2490 sysc_reinit_module(ddata, ddata->enabled); in sysc_reinit_modules()
2495 * sysc_context_notifier - optionally reset and restore module after idle
2525 * sysc_add_restored - optionally add reset and restore quirk hanlling
2536 restored_module->ddata = ddata; in sysc_add_restored()
2538 mutex_lock(&sysc_soc->list_lock); in sysc_add_restored()
2540 list_add(&restored_module->node, &sysc_soc->restored_modules); in sysc_add_restored()
2542 if (sysc_soc->nb.notifier_call) in sysc_add_restored()
2545 sysc_soc->nb.notifier_call = sysc_context_notifier; in sysc_add_restored()
2546 cpu_pm_register_notifier(&sysc_soc->nb); in sysc_add_restored()
2549 mutex_unlock(&sysc_soc->list_lock); in sysc_add_restored()
2553 * sysc_legacy_idle_quirk - handle children in omap_device compatible way
2567 if (ddata->cfg.quirks & SYSC_QUIRK_LEGACY_IDLE) in sysc_legacy_idle_quirk()
2607 { .name = "ti,no-idle-on-init",
2609 { .name = "ti,no-reset-on-init",
2611 { .name = "ti,no-idle",
2628 ddata->cfg.quirks |= sysc_dts_quirks[i].mask; in sysc_parse_dts_quirks()
2630 dev_warn(ddata->dev, in sysc_parse_dts_quirks()
2639 struct device_node *np = ddata->dev->of_node; in sysc_init_dts_quirks()
2643 ddata->legacy_mode = of_get_property(np, "ti,hwmods", NULL); in sysc_init_dts_quirks()
2646 error = of_property_read_u32(np, "ti,sysc-delay-us", &val); in sysc_init_dts_quirks()
2649 dev_warn(ddata->dev, "bad ti,sysc-delay-us: %i\n", in sysc_init_dts_quirks()
2653 ddata->cfg.srst_udelay = (u8)val; in sysc_init_dts_quirks()
2663 if (!ddata->clocks) in sysc_unprepare()
2667 if (!IS_ERR_OR_NULL(ddata->clocks[i])) in sysc_unprepare()
2668 clk_unprepare(ddata->clocks[i]); in sysc_unprepare()
2676 .dmadisable_shift = -ENODEV,
2709 .dmadisable_shift = -ENODEV,
2710 .midle_shift = -ENODEV,
2712 .clkact_shift = -ENODEV,
2713 .enwkup_shift = -ENODEV,
2716 .emufree_shift = -ENODEV,
2730 .dmadisable_shift = -ENODEV,
2731 .midle_shift = -ENODEV,
2733 .clkact_shift = -ENODEV,
2734 .enwkup_shift = -ENODEV,
2737 .emufree_shift = -ENODEV,
2753 .clkact_shift = -ENODEV,
2754 .enwkup_shift = -ENODEV,
2757 .autoidle_shift = -ENODEV,
2778 .dmadisable_shift = -ENODEV,
2781 .clkact_shift = -ENODEV,
2782 .enwkup_shift = -ENODEV,
2783 .srst_shift = -ENODEV,
2784 .emufree_shift = -ENODEV,
2785 .autoidle_shift = -ENODEV,
2797 .dmadisable_shift = -ENODEV,
2798 .midle_shift = -ENODEV,
2799 .sidle_shift = -ENODEV,
2801 .enwkup_shift = -ENODEV,
2802 .srst_shift = -ENODEV,
2803 .emufree_shift = -ENODEV,
2804 .autoidle_shift = -ENODEV,
2819 .dmadisable_shift = -ENODEV,
2820 .midle_shift = -ENODEV,
2822 .clkact_shift = -ENODEV,
2824 .srst_shift = -ENODEV,
2825 .emufree_shift = -ENODEV,
2826 .autoidle_shift = -ENODEV,
2846 .dmadisable_shift = -ENODEV,
2847 .midle_shift = -ENODEV,
2849 .clkact_shift = -ENODEV,
2850 .enwkup_shift = -ENODEV,
2851 .srst_shift = -ENODEV,
2852 .emufree_shift = -ENODEV,
2853 .autoidle_shift = -ENODEV,
2875 .dmadisable_shift = -ENODEV,
2876 .midle_shift = -ENODEV,
2878 .clkact_shift = -ENODEV,
2880 .srst_shift = -ENODEV,
2881 .emufree_shift = -ENODEV,
2882 .autoidle_shift = -ENODEV,
2892 .dmadisable_shift = -ENODEV,
2893 .midle_shift = -ENODEV,
2894 .sidle_shift = -ENODEV,
2895 .clkact_shift = -ENODEV,
2898 .emufree_shift = -ENODEV,
2899 .autoidle_shift = -ENODEV,
2921 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_init_pdata()
2927 mdata = devm_kzalloc(ddata->dev, sizeof(*mdata), GFP_KERNEL); in sysc_init_pdata()
2929 return -ENOMEM; in sysc_init_pdata()
2931 if (ddata->legacy_mode) { in sysc_init_pdata()
2932 mdata->name = ddata->legacy_mode; in sysc_init_pdata()
2933 mdata->module_pa = ddata->module_pa; in sysc_init_pdata()
2934 mdata->module_size = ddata->module_size; in sysc_init_pdata()
2935 mdata->offsets = ddata->offsets; in sysc_init_pdata()
2936 mdata->nr_offsets = SYSC_MAX_REGS; in sysc_init_pdata()
2937 mdata->cap = ddata->cap; in sysc_init_pdata()
2938 mdata->cfg = &ddata->cfg; in sysc_init_pdata()
2941 ddata->mdata = mdata; in sysc_init_pdata()
2950 cap = of_device_get_match_data(ddata->dev); in sysc_init_match()
2952 return -EINVAL; in sysc_init_match()
2954 ddata->cap = cap; in sysc_init_match()
2955 if (ddata->cap) in sysc_init_match()
2956 ddata->cfg.quirks |= ddata->cap->mod_quirks; in sysc_init_match()
2973 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in ti_sysc_idle()
2981 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in ti_sysc_idle()
2988 if (pm_runtime_active(ddata->dev)) in ti_sysc_idle()
2989 pm_runtime_put_sync(ddata->dev); in ti_sysc_idle()
3040 return -ENOMEM; in sysc_add_disabled()
3042 disabled_module->base = base; in sysc_add_disabled()
3044 mutex_lock(&sysc_soc->list_lock); in sysc_add_disabled()
3045 list_add(&disabled_module->node, &sysc_soc->disabled_modules); in sysc_add_disabled()
3046 mutex_unlock(&sysc_soc->list_lock); in sysc_add_disabled()
3055 * Note that we initialize static data shared across all ti-sysc instances
3071 return -ENOMEM; in sysc_init_static_data()
3073 mutex_init(&sysc_soc->list_lock); in sysc_init_static_data()
3074 INIT_LIST_HEAD(&sysc_soc->disabled_modules); in sysc_init_static_data()
3075 INIT_LIST_HEAD(&sysc_soc->restored_modules); in sysc_init_static_data()
3076 sysc_soc->general_purpose = true; in sysc_init_static_data()
3078 pdata = dev_get_platdata(ddata->dev); in sysc_init_static_data()
3079 if (pdata && pdata->soc_type_gp) in sysc_init_static_data()
3080 sysc_soc->general_purpose = pdata->soc_type_gp(); in sysc_init_static_data()
3083 if (match && match->data) in sysc_init_static_data()
3084 sysc_soc->soc = (enum sysc_soc)(uintptr_t)match->data; in sysc_init_static_data()
3088 * simple-pm-bus instead of simple-bus in the dtb for genpd using SoCs. in sysc_init_static_data()
3090 switch (sysc_soc->soc) { in sysc_init_static_data()
3096 np = of_find_node_by_path("/ocp"); in sysc_init_static_data()
3097 WARN_ONCE(np && of_device_is_compatible(np, "simple-bus"), in sysc_init_static_data()
3098 "ti-sysc: Incomplete old dtb, please update\n"); in sysc_init_static_data()
3105 if (!sysc_soc->general_purpose) { in sysc_init_static_data()
3106 switch (sysc_soc->soc) { in sysc_init_static_data()
3122 if (match->data) in sysc_init_static_data()
3123 features = (unsigned long)match->data; in sysc_init_static_data()
3149 if (sysc_soc->nb.notifier_call) in sysc_cleanup_static_data()
3150 cpu_pm_unregister_notifier(&sysc_soc->nb); in sysc_cleanup_static_data()
3152 mutex_lock(&sysc_soc->list_lock); in sysc_cleanup_static_data()
3153 list_for_each_safe(pos, tmp, &sysc_soc->restored_modules) { in sysc_cleanup_static_data()
3158 list_for_each_safe(pos, tmp, &sysc_soc->disabled_modules) { in sysc_cleanup_static_data()
3163 mutex_unlock(&sysc_soc->list_lock); in sysc_cleanup_static_data()
3171 mutex_lock(&sysc_soc->list_lock); in sysc_check_disabled_devices()
3172 list_for_each_entry(disabled_module, &sysc_soc->disabled_modules, node) { in sysc_check_disabled_devices()
3173 if (ddata->module_pa == disabled_module->base) { in sysc_check_disabled_devices()
3174 dev_dbg(ddata->dev, "module disabled for this SoC\n"); in sysc_check_disabled_devices()
3175 error = -ENODEV; in sysc_check_disabled_devices()
3179 mutex_unlock(&sysc_soc->list_lock); in sysc_check_disabled_devices()
3185 * Ignore timers tagged with no-reset and no-idle. These are likely in use,
3186 * for example by drivers/clocksource/timer-ti-dm-systimer.c. If more checks
3193 if (ddata->cap->type != TI_SYSC_OMAP2_TIMER && in sysc_check_active_timer()
3194 ddata->cap->type != TI_SYSC_OMAP4_TIMER) in sysc_check_active_timer()
3204 if (sysc_soc->soc == SOC_3430 || sysc_soc->soc == SOC_AM35) in sysc_check_active_timer()
3205 error = -ENXIO; in sysc_check_active_timer()
3207 error = -EBUSY; in sysc_check_active_timer()
3209 if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) && in sysc_check_active_timer()
3210 (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE)) in sysc_check_active_timer()
3217 { .compatible = "simple-bus", },
3223 struct ti_sysc_platform_data *pdata = dev_get_platdata(&pdev->dev); in sysc_probe()
3227 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); in sysc_probe()
3229 return -ENOMEM; in sysc_probe()
3231 ddata->offsets[SYSC_REVISION] = -ENODEV; in sysc_probe()
3232 ddata->offsets[SYSC_SYSCONFIG] = -ENODEV; in sysc_probe()
3233 ddata->offsets[SYSC_SYSSTATUS] = -ENODEV; in sysc_probe()
3234 ddata->dev = &pdev->dev; in sysc_probe()
3276 if (error == -ENXIO) in sysc_probe()
3277 ddata->reserved = true; in sysc_probe()
3293 pm_runtime_enable(ddata->dev); in sysc_probe()
3294 error = pm_runtime_resume_and_get(ddata->dev); in sysc_probe()
3296 pm_runtime_disable(ddata->dev); in sysc_probe()
3301 if (!(ddata->cfg.quirks & in sysc_probe()
3308 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_probe()
3309 reset_control_assert(ddata->rsts); in sysc_probe()
3313 ddata->dev->type = &sysc_device_type; in sysc_probe()
3315 if (!ddata->reserved) { in sysc_probe()
3316 error = of_platform_populate(ddata->dev->of_node, in sysc_probe()
3318 pdata ? pdata->auxdata : NULL, in sysc_probe()
3319 ddata->dev); in sysc_probe()
3324 INIT_DELAYED_WORK(&ddata->idle_work, ti_sysc_idle); in sysc_probe()
3327 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in sysc_probe()
3330 schedule_delayed_work(&ddata->idle_work, 3000); in sysc_probe()
3332 pm_runtime_put(&pdev->dev); in sysc_probe()
3335 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_CTX_LOST) in sysc_probe()
3341 pm_runtime_put_sync(&pdev->dev); in sysc_probe()
3342 pm_runtime_disable(&pdev->dev); in sysc_probe()
3355 if (cancel_delayed_work_sync(&ddata->idle_work)) in sysc_remove()
3356 ti_sysc_idle(&ddata->idle_work.work); in sysc_remove()
3358 error = pm_runtime_resume_and_get(ddata->dev); in sysc_remove()
3360 pm_runtime_disable(ddata->dev); in sysc_remove()
3364 of_platform_depopulate(&pdev->dev); in sysc_remove()
3366 pm_runtime_put_sync(&pdev->dev); in sysc_remove()
3367 pm_runtime_disable(&pdev->dev); in sysc_remove()
3369 if (!reset_control_status(ddata->rsts)) in sysc_remove()
3370 reset_control_assert(ddata->rsts); in sysc_remove()
3379 { .compatible = "ti,sysc-omap2", .data = &sysc_omap2, },
3380 { .compatible = "ti,sysc-omap2-timer", .data = &sysc_omap2_timer, },
3381 { .compatible = "ti,sysc-omap4", .data = &sysc_omap4, },
3382 { .compatible = "ti,sysc-omap4-timer", .data = &sysc_omap4_timer, },
3383 { .compatible = "ti,sysc-omap4-simple", .data = &sysc_omap4_simple, },
3384 { .compatible = "ti,sysc-omap3430-sr", .data = &sysc_34xx_sr, },
3385 { .compatible = "ti,sysc-omap3630-sr", .data = &sysc_36xx_sr, },
3386 { .compatible = "ti,sysc-omap4-sr", .data = &sysc_omap4_sr, },
3387 { .compatible = "ti,sysc-omap3-sham", .data = &sysc_omap3_sham, },
3388 { .compatible = "ti,sysc-omap-aes", .data = &sysc_omap3_aes, },
3389 { .compatible = "ti,sysc-mcasp", .data = &sysc_omap4_mcasp, },
3390 { .compatible = "ti,sysc-dra7-mcasp", .data = &sysc_dra7_mcasp, },
3391 { .compatible = "ti,sysc-usb-host-fs",
3393 { .compatible = "ti,sysc-dra7-mcan", .data = &sysc_dra7_mcan, },
3394 { .compatible = "ti,sysc-pruss", .data = &sysc_pruss, },
3403 .name = "ti-sysc",