Lines Matching refs:ddata
69 struct sysc *ddata; member
170 static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np,
172 static int sysc_reset(struct sysc *ddata);
174 static void sysc_write(struct sysc *ddata, int offset, u32 value) in sysc_write() argument
176 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_write()
177 writew_relaxed(value & 0xffff, ddata->module_va + offset); in sysc_write()
180 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_write()
181 offset == ddata->offsets[SYSC_REVISION]) { in sysc_write()
184 writew_relaxed(hi, ddata->module_va + offset + 4); in sysc_write()
190 writel_relaxed(value, ddata->module_va + offset); in sysc_write()
193 static u32 sysc_read(struct sysc *ddata, int offset) in sysc_read() argument
195 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_read()
198 val = readw_relaxed(ddata->module_va + offset); in sysc_read()
201 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_read()
202 offset == ddata->offsets[SYSC_REVISION]) { in sysc_read()
203 u16 tmp = readw_relaxed(ddata->module_va + offset + 4); in sysc_read()
211 return readl_relaxed(ddata->module_va + offset); in sysc_read()
214 static bool sysc_opt_clks_needed(struct sysc *ddata) in sysc_opt_clks_needed() argument
216 return !!(ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_NEEDED); in sysc_opt_clks_needed()
219 static u32 sysc_read_revision(struct sysc *ddata) in sysc_read_revision() argument
221 int offset = ddata->offsets[SYSC_REVISION]; in sysc_read_revision()
226 return sysc_read(ddata, offset); in sysc_read_revision()
229 static u32 sysc_read_sysconfig(struct sysc *ddata) in sysc_read_sysconfig() argument
231 int offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_read_sysconfig()
236 return sysc_read(ddata, offset); in sysc_read_sysconfig()
239 static u32 sysc_read_sysstatus(struct sysc *ddata) in sysc_read_sysstatus() argument
241 int offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_read_sysstatus()
246 return sysc_read(ddata, offset); in sysc_read_sysstatus()
249 static int sysc_poll_reset_sysstatus(struct sysc *ddata) in sysc_poll_reset_sysstatus() argument
254 if (ddata->cfg.quirks & SYSS_QUIRK_RESETDONE_INVERTED) in sysc_poll_reset_sysstatus()
257 syss_done = ddata->cfg.syss_mask; in sysc_poll_reset_sysstatus()
260 error = readx_poll_timeout_atomic(sysc_read_sysstatus, ddata, in sysc_poll_reset_sysstatus()
261 rstval, (rstval & ddata->cfg.syss_mask) == in sysc_poll_reset_sysstatus()
266 rstval = sysc_read_sysstatus(ddata); in sysc_poll_reset_sysstatus()
267 if ((rstval & ddata->cfg.syss_mask) == syss_done) in sysc_poll_reset_sysstatus()
277 static int sysc_poll_reset_sysconfig(struct sysc *ddata) in sysc_poll_reset_sysconfig() argument
282 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_poll_reset_sysconfig()
285 error = readx_poll_timeout_atomic(sysc_read_sysconfig, ddata, in sysc_poll_reset_sysconfig()
291 rstval = sysc_read_sysconfig(ddata); in sysc_poll_reset_sysconfig()
303 static int sysc_wait_softreset(struct sysc *ddata) in sysc_wait_softreset() argument
307 if (ddata->cap->regbits->srst_shift < 0) in sysc_wait_softreset()
310 syss_offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_wait_softreset()
313 error = sysc_poll_reset_sysstatus(ddata); in sysc_wait_softreset()
314 else if (ddata->cfg.quirks & SYSC_QUIRK_RESET_STATUS) in sysc_wait_softreset()
315 error = sysc_poll_reset_sysconfig(ddata); in sysc_wait_softreset()
320 static int sysc_add_named_clock_from_child(struct sysc *ddata, in sysc_add_named_clock_from_child() argument
324 struct device_node *np = ddata->dev->of_node; in sysc_add_named_clock_from_child()
347 clock = devm_get_clk_from_child(ddata->dev, child, name); in sysc_add_named_clock_from_child()
361 cl->dev_id = dev_name(ddata->dev); in sysc_add_named_clock_from_child()
370 static int sysc_init_ext_opt_clock(struct sysc *ddata, const char *name) in sysc_init_ext_opt_clock() argument
375 if (ddata->nr_clocks < SYSC_OPTFCK0) in sysc_init_ext_opt_clock()
378 index = ddata->nr_clocks; in sysc_init_ext_opt_clock()
385 error = sysc_add_named_clock_from_child(ddata, name, optfck_name); in sysc_init_ext_opt_clock()
389 ddata->clock_roles[index] = optfck_name; in sysc_init_ext_opt_clock()
390 ddata->nr_clocks++; in sysc_init_ext_opt_clock()
395 static int sysc_get_one_clock(struct sysc *ddata, const char *name) in sysc_get_one_clock() argument
406 if (!ddata->clocks[i]) { in sysc_get_one_clock()
414 dev_err(ddata->dev, "clock %s not added\n", name); in sysc_get_one_clock()
418 ddata->clocks[index] = devm_clk_get(ddata->dev, name); in sysc_get_one_clock()
419 if (IS_ERR(ddata->clocks[index])) { in sysc_get_one_clock()
420 dev_err(ddata->dev, "clock get error for %s: %li\n", in sysc_get_one_clock()
421 name, PTR_ERR(ddata->clocks[index])); in sysc_get_one_clock()
423 return PTR_ERR(ddata->clocks[index]); in sysc_get_one_clock()
426 error = clk_prepare(ddata->clocks[index]); in sysc_get_one_clock()
428 dev_err(ddata->dev, "clock prepare error for %s: %i\n", in sysc_get_one_clock()
437 static int sysc_get_clocks(struct sysc *ddata) in sysc_get_clocks() argument
439 struct device_node *np = ddata->dev->of_node; in sysc_get_clocks()
444 ddata->clock_roles = devm_kcalloc(ddata->dev, in sysc_get_clocks()
446 sizeof(*ddata->clock_roles), in sysc_get_clocks()
448 if (!ddata->clock_roles) in sysc_get_clocks()
456 ddata->clock_roles[ddata->nr_clocks] = name; in sysc_get_clocks()
457 ddata->nr_clocks++; in sysc_get_clocks()
460 if (ddata->nr_clocks < 1) in sysc_get_clocks()
463 if ((ddata->cfg.quirks & SYSC_QUIRK_EXT_OPT_CLOCK)) { in sysc_get_clocks()
464 error = sysc_init_ext_opt_clock(ddata, NULL); in sysc_get_clocks()
469 if (ddata->nr_clocks > SYSC_MAX_CLOCKS) { in sysc_get_clocks()
470 dev_err(ddata->dev, "too many clocks for %pOF\n", np); in sysc_get_clocks()
476 dev_err(ddata->dev, "max one fck and ick for %pOF\n", np); in sysc_get_clocks()
483 ddata->nr_clocks++; in sysc_get_clocks()
485 ddata->nr_clocks++; in sysc_get_clocks()
487 ddata->clocks = devm_kcalloc(ddata->dev, in sysc_get_clocks()
488 ddata->nr_clocks, sizeof(*ddata->clocks), in sysc_get_clocks()
490 if (!ddata->clocks) in sysc_get_clocks()
494 const char *name = ddata->clock_roles[i]; in sysc_get_clocks()
499 error = sysc_get_one_clock(ddata, name); in sysc_get_clocks()
507 static int sysc_enable_main_clocks(struct sysc *ddata) in sysc_enable_main_clocks() argument
512 if (!ddata->clocks) in sysc_enable_main_clocks()
516 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
531 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
543 static void sysc_disable_main_clocks(struct sysc *ddata) in sysc_disable_main_clocks() argument
548 if (!ddata->clocks) in sysc_disable_main_clocks()
552 clock = ddata->clocks[i]; in sysc_disable_main_clocks()
560 static int sysc_enable_opt_clocks(struct sysc *ddata) in sysc_enable_opt_clocks() argument
565 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_enable_opt_clocks()
569 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
584 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
594 static void sysc_disable_opt_clocks(struct sysc *ddata) in sysc_disable_opt_clocks() argument
599 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_disable_opt_clocks()
603 clock = ddata->clocks[i]; in sysc_disable_opt_clocks()
613 static void sysc_clkdm_deny_idle(struct sysc *ddata) in sysc_clkdm_deny_idle() argument
617 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_deny_idle()
620 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_deny_idle()
622 pdata->clkdm_deny_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_deny_idle()
625 static void sysc_clkdm_allow_idle(struct sysc *ddata) in sysc_clkdm_allow_idle() argument
629 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_allow_idle()
632 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_allow_idle()
634 pdata->clkdm_allow_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_allow_idle()
643 static int sysc_init_resets(struct sysc *ddata) in sysc_init_resets() argument
645 ddata->rsts = in sysc_init_resets()
646 devm_reset_control_get_optional_shared(ddata->dev, "rstctrl"); in sysc_init_resets()
648 return PTR_ERR_OR_ZERO(ddata->rsts); in sysc_init_resets()
660 static int sysc_parse_and_check_child_range(struct sysc *ddata) in sysc_parse_and_check_child_range() argument
662 struct device_node *np = ddata->dev->of_node; in sysc_parse_and_check_child_range()
672 ddata->module_pa = range.cpu_addr; in sysc_parse_and_check_child_range()
673 ddata->module_size = range.size; in sysc_parse_and_check_child_range()
702 static int sysc_defer_non_critical(struct sysc *ddata) in sysc_defer_non_critical() argument
712 if (ddata->module_pa >= res->start && in sysc_defer_non_critical()
713 ddata->module_pa <= res->end) { in sysc_defer_non_critical()
727 static void sysc_init_stdout_path(struct sysc *ddata) in sysc_init_stdout_path() argument
758 static void sysc_check_quirk_stdout(struct sysc *ddata, in sysc_check_quirk_stdout() argument
761 sysc_init_stdout_path(ddata); in sysc_check_quirk_stdout()
765 ddata->cfg.quirks |= SYSC_QUIRK_NO_IDLE_ON_INIT | in sysc_check_quirk_stdout()
778 static void sysc_check_one_child(struct sysc *ddata, in sysc_check_one_child() argument
785 dev_warn(ddata->dev, "really a child ti,hwmods property?"); in sysc_check_one_child()
787 sysc_check_quirk_stdout(ddata, np); in sysc_check_one_child()
788 sysc_parse_dts_quirks(ddata, np, true); in sysc_check_one_child()
791 static void sysc_check_children(struct sysc *ddata) in sysc_check_children() argument
795 for_each_child_of_node(ddata->dev->of_node, child) in sysc_check_children()
796 sysc_check_one_child(ddata, child); in sysc_check_children()
805 static void sysc_check_quirk_16bit(struct sysc *ddata, struct resource *res) in sysc_check_quirk_16bit() argument
808 ddata->cfg.quirks |= SYSC_QUIRK_16BIT | SYSC_QUIRK_USE_CLOCKACT; in sysc_check_quirk_16bit()
816 static int sysc_parse_one(struct sysc *ddata, enum sysc_registers reg) in sysc_parse_one() argument
831 res = platform_get_resource_byname(to_platform_device(ddata->dev), in sysc_parse_one()
834 ddata->offsets[reg] = -ENODEV; in sysc_parse_one()
839 ddata->offsets[reg] = res->start - ddata->module_pa; in sysc_parse_one()
841 sysc_check_quirk_16bit(ddata, res); in sysc_parse_one()
846 static int sysc_parse_registers(struct sysc *ddata) in sysc_parse_registers() argument
851 error = sysc_parse_one(ddata, i); in sysc_parse_registers()
863 static int sysc_check_registers(struct sysc *ddata) in sysc_check_registers() argument
868 if (ddata->offsets[i] < 0) in sysc_check_registers()
871 if (ddata->offsets[i] > (ddata->module_size - 4)) { in sysc_check_registers()
872 dev_err(ddata->dev, "register outside module range"); in sysc_check_registers()
878 if (ddata->offsets[j] < 0) in sysc_check_registers()
881 if (ddata->offsets[i] == ddata->offsets[j]) in sysc_check_registers()
888 dev_err(ddata->dev, "overlapping registers: (%i/%i)", in sysc_check_registers()
908 static int sysc_ioremap(struct sysc *ddata) in sysc_ioremap() argument
912 if (ddata->offsets[SYSC_REVISION] < 0 && in sysc_ioremap()
913 ddata->offsets[SYSC_SYSCONFIG] < 0 && in sysc_ioremap()
914 ddata->offsets[SYSC_SYSSTATUS] < 0) { in sysc_ioremap()
915 size = ddata->module_size; in sysc_ioremap()
917 size = max3(ddata->offsets[SYSC_REVISION], in sysc_ioremap()
918 ddata->offsets[SYSC_SYSCONFIG], in sysc_ioremap()
919 ddata->offsets[SYSC_SYSSTATUS]); in sysc_ioremap()
924 if ((size + sizeof(u32)) > ddata->module_size) in sysc_ioremap()
925 size = ddata->module_size; in sysc_ioremap()
928 ddata->module_va = devm_ioremap(ddata->dev, in sysc_ioremap()
929 ddata->module_pa, in sysc_ioremap()
931 if (!ddata->module_va) in sysc_ioremap()
941 static int sysc_map_and_check_registers(struct sysc *ddata) in sysc_map_and_check_registers() argument
943 struct device_node *np = ddata->dev->of_node; in sysc_map_and_check_registers()
946 error = sysc_parse_and_check_child_range(ddata); in sysc_map_and_check_registers()
950 error = sysc_defer_non_critical(ddata); in sysc_map_and_check_registers()
954 sysc_check_children(ddata); in sysc_map_and_check_registers()
959 error = sysc_parse_registers(ddata); in sysc_map_and_check_registers()
963 error = sysc_ioremap(ddata); in sysc_map_and_check_registers()
967 error = sysc_check_registers(ddata); in sysc_map_and_check_registers()
979 static int sysc_show_rev(char *bufp, struct sysc *ddata) in sysc_show_rev() argument
983 if (ddata->offsets[SYSC_REVISION] < 0) in sysc_show_rev()
986 len = sprintf(bufp, ":%08x", ddata->revision); in sysc_show_rev()
991 static int sysc_show_reg(struct sysc *ddata, in sysc_show_reg() argument
994 if (ddata->offsets[reg] < 0) in sysc_show_reg()
997 return sprintf(bufp, ":%x", ddata->offsets[reg]); in sysc_show_reg()
1000 static int sysc_show_name(char *bufp, struct sysc *ddata) in sysc_show_name() argument
1002 if (!ddata->name) in sysc_show_name()
1005 return sprintf(bufp, ":%s", ddata->name); in sysc_show_name()
1012 static void sysc_show_registers(struct sysc *ddata) in sysc_show_registers() argument
1019 bufp += sysc_show_reg(ddata, bufp, i); in sysc_show_registers()
1021 bufp += sysc_show_rev(bufp, ddata); in sysc_show_registers()
1022 bufp += sysc_show_name(bufp, ddata); in sysc_show_registers()
1024 dev_dbg(ddata->dev, "%llx:%x%s\n", in sysc_show_registers()
1025 ddata->module_pa, ddata->module_size, in sysc_show_registers()
1034 static void sysc_write_sysconfig(struct sysc *ddata, u32 value) in sysc_write_sysconfig() argument
1036 if (ddata->module_unlock_quirk) in sysc_write_sysconfig()
1037 ddata->module_unlock_quirk(ddata); in sysc_write_sysconfig()
1039 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], value); in sysc_write_sysconfig()
1041 if (ddata->module_lock_quirk) in sysc_write_sysconfig()
1042 ddata->module_lock_quirk(ddata); in sysc_write_sysconfig()
1051 struct sysc *ddata; in sysc_enable_module() local
1056 ddata = dev_get_drvdata(dev); in sysc_enable_module()
1062 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) { in sysc_enable_module()
1063 error = sysc_enable_opt_clocks(ddata); in sysc_enable_module()
1065 dev_err(ddata->dev, in sysc_enable_module()
1075 if (!(ddata->cfg.quirks & SYSC_MODULE_QUIRK_ENA_RESETDONE)) { in sysc_enable_module()
1076 error = sysc_wait_softreset(ddata); in sysc_enable_module()
1078 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_enable_module()
1080 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) in sysc_enable_module()
1081 sysc_disable_opt_clocks(ddata); in sysc_enable_module()
1088 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_enable_module()
1091 regbits = ddata->cap->regbits; in sysc_enable_module()
1092 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1100 (ddata->cfg.quirks & SYSC_QUIRK_USE_CLOCKACT)) in sysc_enable_module()
1104 idlemodes = ddata->cfg.sidlemodes; in sysc_enable_module()
1108 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_SIDLE | in sysc_enable_module()
1114 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1117 best_mode = fls(ddata->cfg.sidlemodes) - 1; in sysc_enable_module()
1125 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1131 sysc_write_sysconfig(ddata, reg); in sysc_enable_module()
1135 idlemodes = ddata->cfg.midlemodes; in sysc_enable_module()
1139 best_mode = fls(ddata->cfg.midlemodes) - 1; in sysc_enable_module()
1146 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_MSTANDBY) in sysc_enable_module()
1151 sysc_write_sysconfig(ddata, reg); in sysc_enable_module()
1156 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) { in sysc_enable_module()
1158 sysc_write_sysconfig(ddata, reg); in sysc_enable_module()
1165 ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1167 if (ddata->module_enable_quirk) in sysc_enable_module()
1168 ddata->module_enable_quirk(ddata); in sysc_enable_module()
1190 struct sysc *ddata; in sysc_disable_module() local
1195 ddata = dev_get_drvdata(dev); in sysc_disable_module()
1196 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_disable_module()
1199 if (ddata->module_disable_quirk) in sysc_disable_module()
1200 ddata->module_disable_quirk(ddata); in sysc_disable_module()
1202 regbits = ddata->cap->regbits; in sysc_disable_module()
1203 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1206 idlemodes = ddata->cfg.midlemodes; in sysc_disable_module()
1216 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_MSTANDBY) || in sysc_disable_module()
1217 ddata->cfg.quirks & (SYSC_QUIRK_FORCE_MSTANDBY)) in sysc_disable_module()
1222 sysc_write_sysconfig(ddata, reg); in sysc_disable_module()
1226 idlemodes = ddata->cfg.sidlemodes; in sysc_disable_module()
1232 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE) { in sysc_disable_module()
1243 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE_ACT) { in sysc_disable_module()
1246 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_disable_module()
1253 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) in sysc_disable_module()
1255 sysc_write_sysconfig(ddata, reg); in sysc_disable_module()
1261 ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1267 struct sysc *ddata) in sysc_runtime_suspend_legacy() argument
1272 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_suspend_legacy()
1279 error = pdata->idle_module(dev, &ddata->cookie); in sysc_runtime_suspend_legacy()
1284 reset_control_assert(ddata->rsts); in sysc_runtime_suspend_legacy()
1290 struct sysc *ddata) in sysc_runtime_resume_legacy() argument
1295 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_resume_legacy()
1302 error = pdata->enable_module(dev, &ddata->cookie); in sysc_runtime_resume_legacy()
1307 reset_control_deassert(ddata->rsts); in sysc_runtime_resume_legacy()
1314 struct sysc *ddata; in sysc_runtime_suspend() local
1317 ddata = dev_get_drvdata(dev); in sysc_runtime_suspend()
1319 if (!ddata->enabled) in sysc_runtime_suspend()
1322 sysc_clkdm_deny_idle(ddata); in sysc_runtime_suspend()
1324 if (ddata->legacy_mode) { in sysc_runtime_suspend()
1325 error = sysc_runtime_suspend_legacy(dev, ddata); in sysc_runtime_suspend()
1334 sysc_disable_main_clocks(ddata); in sysc_runtime_suspend()
1336 if (sysc_opt_clks_needed(ddata)) in sysc_runtime_suspend()
1337 sysc_disable_opt_clocks(ddata); in sysc_runtime_suspend()
1339 ddata->enabled = false; in sysc_runtime_suspend()
1342 sysc_clkdm_allow_idle(ddata); in sysc_runtime_suspend()
1344 reset_control_assert(ddata->rsts); in sysc_runtime_suspend()
1351 struct sysc *ddata; in sysc_runtime_resume() local
1354 ddata = dev_get_drvdata(dev); in sysc_runtime_resume()
1356 if (ddata->enabled) in sysc_runtime_resume()
1360 sysc_clkdm_deny_idle(ddata); in sysc_runtime_resume()
1362 if (sysc_opt_clks_needed(ddata)) { in sysc_runtime_resume()
1363 error = sysc_enable_opt_clocks(ddata); in sysc_runtime_resume()
1368 error = sysc_enable_main_clocks(ddata); in sysc_runtime_resume()
1372 reset_control_deassert(ddata->rsts); in sysc_runtime_resume()
1374 if (ddata->legacy_mode) { in sysc_runtime_resume()
1375 error = sysc_runtime_resume_legacy(dev, ddata); in sysc_runtime_resume()
1384 ddata->enabled = true; in sysc_runtime_resume()
1386 sysc_clkdm_allow_idle(ddata); in sysc_runtime_resume()
1391 sysc_disable_main_clocks(ddata); in sysc_runtime_resume()
1393 if (sysc_opt_clks_needed(ddata)) in sysc_runtime_resume()
1394 sysc_disable_opt_clocks(ddata); in sysc_runtime_resume()
1396 sysc_clkdm_allow_idle(ddata); in sysc_runtime_resume()
1409 static int sysc_check_context(struct sysc *ddata) in sysc_check_context() argument
1413 if (!ddata->enabled) in sysc_check_context()
1416 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_check_context()
1417 if (reg == ddata->sysconfig) in sysc_check_context()
1423 static int sysc_reinit_module(struct sysc *ddata, bool leave_enabled) in sysc_reinit_module() argument
1425 struct device *dev = ddata->dev; in sysc_reinit_module()
1428 if (ddata->enabled) { in sysc_reinit_module()
1430 error = sysc_check_context(ddata); in sysc_reinit_module()
1446 if (ddata->cfg.quirks & SYSC_QUIRK_RESET_ON_CTX_LOST) { in sysc_reinit_module()
1447 error = sysc_reset(ddata); in sysc_reinit_module()
1451 sysc_write_sysconfig(ddata, ddata->sysconfig); in sysc_reinit_module()
1467 struct sysc *ddata; in sysc_noirq_suspend() local
1469 ddata = dev_get_drvdata(dev); in sysc_noirq_suspend()
1471 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in sysc_noirq_suspend()
1474 if (!ddata->enabled) in sysc_noirq_suspend()
1477 ddata->needs_resume = 1; in sysc_noirq_suspend()
1484 struct sysc *ddata; in sysc_noirq_resume() local
1487 ddata = dev_get_drvdata(dev); in sysc_noirq_resume()
1489 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in sysc_noirq_resume()
1492 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_RESUME) { in sysc_noirq_resume()
1493 error = sysc_reinit_module(ddata, ddata->needs_resume); in sysc_noirq_resume()
1496 } else if (ddata->needs_resume) { in sysc_noirq_resume()
1502 ddata->needs_resume = 0; in sysc_noirq_resume()
1715 static void sysc_init_early_quirks(struct sysc *ddata) in sysc_init_early_quirks() argument
1726 if (q->base != ddata->module_pa) in sysc_init_early_quirks()
1729 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_early_quirks()
1732 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_early_quirks()
1735 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_early_quirks()
1738 ddata->name = q->name; in sysc_init_early_quirks()
1739 ddata->cfg.quirks |= q->quirks; in sysc_init_early_quirks()
1744 static void sysc_init_revision_quirks(struct sysc *ddata) in sysc_init_revision_quirks() argument
1752 if (q->base && q->base != ddata->module_pa) in sysc_init_revision_quirks()
1755 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_revision_quirks()
1758 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_revision_quirks()
1761 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_revision_quirks()
1764 if (q->revision == ddata->revision || in sysc_init_revision_quirks()
1766 (ddata->revision & q->revision_mask)) { in sysc_init_revision_quirks()
1767 ddata->name = q->name; in sysc_init_revision_quirks()
1768 ddata->cfg.quirks |= q->quirks; in sysc_init_revision_quirks()
1778 static u32 sysc_quirk_dispc(struct sysc *ddata, int dispc_offset, in sysc_quirk_dispc() argument
1809 devm_iounmap(ddata->dev, ddata->module_va); in sysc_quirk_dispc()
1810 ddata->module_va = devm_ioremap(ddata->dev, in sysc_quirk_dispc()
1811 ddata->module_pa, in sysc_quirk_dispc()
1812 ddata->module_size); in sysc_quirk_dispc()
1813 if (!ddata->module_va) in sysc_quirk_dispc()
1817 val = sysc_read(ddata, dispc_offset + 0x40); in sysc_quirk_dispc()
1829 sysc_write(ddata, dispc_offset + 0x40, in sysc_quirk_dispc()
1836 val = sysc_read(ddata, dispc_offset + 0x238); in sysc_quirk_dispc()
1841 sysc_write(ddata, dispc_offset + 0x238, in sysc_quirk_dispc()
1848 val = sysc_read(ddata, dispc_offset + 0x848); in sysc_quirk_dispc()
1853 sysc_write(ddata, dispc_offset + 0x848, in sysc_quirk_dispc()
1860 static void sysc_pre_reset_quirk_dss(struct sysc *ddata) in sysc_pre_reset_quirk_dss() argument
1867 irq_mask = sysc_quirk_dispc(ddata, dispc_offset, false); in sysc_pre_reset_quirk_dss()
1872 sysc_write(ddata, dispc_offset + 0x18, irq_mask); in sysc_pre_reset_quirk_dss()
1875 val = sysc_quirk_dispc(ddata, dispc_offset, true); in sysc_pre_reset_quirk_dss()
1878 error = readl_poll_timeout(ddata->module_va + dispc_offset + 0x18, in sysc_pre_reset_quirk_dss()
1881 dev_warn(ddata->dev, "%s: timed out %08x !+ %08x\n", in sysc_pre_reset_quirk_dss()
1886 sysc_write(ddata, 0x44, 0); in sysc_pre_reset_quirk_dss()
1889 sysc_write(ddata, 0x48, 0); in sysc_pre_reset_quirk_dss()
1893 sysc_write(ddata, 0x40, 0); in sysc_pre_reset_quirk_dss()
1897 static void sysc_pre_reset_quirk_hdq1w(struct sysc *ddata) in sysc_pre_reset_quirk_hdq1w() argument
1902 val = sysc_read(ddata, offset); in sysc_pre_reset_quirk_hdq1w()
1904 sysc_write(ddata, offset, val); in sysc_pre_reset_quirk_hdq1w()
1908 static void sysc_module_enable_quirk_aess(struct sysc *ddata) in sysc_module_enable_quirk_aess() argument
1912 sysc_write(ddata, offset, 1); in sysc_module_enable_quirk_aess()
1916 static void sysc_clk_quirk_i2c(struct sysc *ddata, bool enable) in sysc_clk_quirk_i2c() argument
1922 if ((ddata->revision & 0xffffff00) == 0x001f0000) in sysc_clk_quirk_i2c()
1928 val = sysc_read(ddata, offset); in sysc_clk_quirk_i2c()
1933 sysc_write(ddata, offset, val); in sysc_clk_quirk_i2c()
1936 static void sysc_pre_reset_quirk_i2c(struct sysc *ddata) in sysc_pre_reset_quirk_i2c() argument
1938 sysc_clk_quirk_i2c(ddata, false); in sysc_pre_reset_quirk_i2c()
1941 static void sysc_post_reset_quirk_i2c(struct sysc *ddata) in sysc_post_reset_quirk_i2c() argument
1943 sysc_clk_quirk_i2c(ddata, true); in sysc_post_reset_quirk_i2c()
1947 static void sysc_quirk_rtc(struct sysc *ddata, bool lock) in sysc_quirk_rtc() argument
1960 error = readl_poll_timeout_atomic(ddata->module_va + 0x44, val, in sysc_quirk_rtc()
1963 dev_warn(ddata->dev, "rtc busy timeout\n"); in sysc_quirk_rtc()
1965 sysc_write(ddata, 0x6c, kick0_val); in sysc_quirk_rtc()
1966 sysc_write(ddata, 0x70, kick1_val); in sysc_quirk_rtc()
1970 static void sysc_module_unlock_quirk_rtc(struct sysc *ddata) in sysc_module_unlock_quirk_rtc() argument
1972 sysc_quirk_rtc(ddata, false); in sysc_module_unlock_quirk_rtc()
1975 static void sysc_module_lock_quirk_rtc(struct sysc *ddata) in sysc_module_lock_quirk_rtc() argument
1977 sysc_quirk_rtc(ddata, true); in sysc_module_lock_quirk_rtc()
1981 static void sysc_module_enable_quirk_otg(struct sysc *ddata) in sysc_module_enable_quirk_otg() argument
1985 sysc_write(ddata, offset, 0); in sysc_module_enable_quirk_otg()
1988 static void sysc_module_disable_quirk_otg(struct sysc *ddata) in sysc_module_disable_quirk_otg() argument
1993 sysc_write(ddata, offset, val); in sysc_module_disable_quirk_otg()
1997 static void sysc_module_enable_quirk_sgx(struct sysc *ddata) in sysc_module_enable_quirk_sgx() argument
2002 sysc_write(ddata, offset, val); in sysc_module_enable_quirk_sgx()
2006 static void sysc_reset_done_quirk_wdt(struct sysc *ddata) in sysc_reset_done_quirk_wdt() argument
2014 sysc_write(ddata, spr, 0xaaaa); in sysc_reset_done_quirk_wdt()
2015 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
2019 dev_warn(ddata->dev, "wdt disable step1 failed\n"); in sysc_reset_done_quirk_wdt()
2021 sysc_write(ddata, spr, 0x5555); in sysc_reset_done_quirk_wdt()
2022 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
2026 dev_warn(ddata->dev, "wdt disable step2 failed\n"); in sysc_reset_done_quirk_wdt()
2030 static void sysc_module_disable_quirk_pruss(struct sysc *ddata) in sysc_module_disable_quirk_pruss() argument
2034 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_module_disable_quirk_pruss()
2036 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg); in sysc_module_disable_quirk_pruss()
2039 static void sysc_init_module_quirks(struct sysc *ddata) in sysc_init_module_quirks() argument
2041 if (ddata->legacy_mode || !ddata->name) in sysc_init_module_quirks()
2044 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_HDQ1W) { in sysc_init_module_quirks()
2045 ddata->pre_reset_quirk = sysc_pre_reset_quirk_hdq1w; in sysc_init_module_quirks()
2051 if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) { in sysc_init_module_quirks()
2052 ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT; in sysc_init_module_quirks()
2058 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) { in sysc_init_module_quirks()
2059 ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c; in sysc_init_module_quirks()
2060 ddata->post_reset_quirk = sysc_post_reset_quirk_i2c; in sysc_init_module_quirks()
2065 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_AESS) in sysc_init_module_quirks()
2066 ddata->module_enable_quirk = sysc_module_enable_quirk_aess; in sysc_init_module_quirks()
2068 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_DSS_RESET) in sysc_init_module_quirks()
2069 ddata->pre_reset_quirk = sysc_pre_reset_quirk_dss; in sysc_init_module_quirks()
2071 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_RTC_UNLOCK) { in sysc_init_module_quirks()
2072 ddata->module_unlock_quirk = sysc_module_unlock_quirk_rtc; in sysc_init_module_quirks()
2073 ddata->module_lock_quirk = sysc_module_lock_quirk_rtc; in sysc_init_module_quirks()
2078 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_OTG) { in sysc_init_module_quirks()
2079 ddata->module_enable_quirk = sysc_module_enable_quirk_otg; in sysc_init_module_quirks()
2080 ddata->module_disable_quirk = sysc_module_disable_quirk_otg; in sysc_init_module_quirks()
2083 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_SGX) in sysc_init_module_quirks()
2084 ddata->module_enable_quirk = sysc_module_enable_quirk_sgx; in sysc_init_module_quirks()
2086 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_WDT) { in sysc_init_module_quirks()
2087 ddata->reset_done_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2088 ddata->module_disable_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2091 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_PRUSS) in sysc_init_module_quirks()
2092 ddata->module_disable_quirk = sysc_module_disable_quirk_pruss; in sysc_init_module_quirks()
2095 static int sysc_clockdomain_init(struct sysc *ddata) in sysc_clockdomain_init() argument
2097 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_clockdomain_init()
2104 switch (ddata->nr_clocks) { in sysc_clockdomain_init()
2106 ick = ddata->clocks[SYSC_ICK]; in sysc_clockdomain_init()
2109 fck = ddata->clocks[SYSC_FCK]; in sysc_clockdomain_init()
2115 error = pdata->init_clockdomain(ddata->dev, fck, ick, &ddata->cookie); in sysc_clockdomain_init()
2127 static int sysc_legacy_init(struct sysc *ddata) in sysc_legacy_init() argument
2129 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_legacy_init()
2135 error = pdata->init_module(ddata->dev, ddata->mdata, &ddata->cookie); in sysc_legacy_init()
2146 static int sysc_reset(struct sysc *ddata) in sysc_reset() argument
2151 sysc_offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_reset()
2153 if (ddata->legacy_mode || in sysc_reset()
2154 ddata->cap->regbits->srst_shift < 0) in sysc_reset()
2157 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_reset()
2159 if (ddata->pre_reset_quirk) in sysc_reset()
2160 ddata->pre_reset_quirk(ddata); in sysc_reset()
2163 sysc_val = sysc_read_sysconfig(ddata); in sysc_reset()
2165 sysc_write(ddata, sysc_offset, sysc_val); in sysc_reset()
2172 if (ddata->cfg.srst_udelay) in sysc_reset()
2173 fsleep(ddata->cfg.srst_udelay); in sysc_reset()
2180 sysc_val = sysc_read_sysconfig(ddata); in sysc_reset()
2183 if (ddata->post_reset_quirk) in sysc_reset()
2184 ddata->post_reset_quirk(ddata); in sysc_reset()
2186 error = sysc_wait_softreset(ddata); in sysc_reset()
2188 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_reset()
2190 if (ddata->reset_done_quirk) in sysc_reset()
2191 ddata->reset_done_quirk(ddata); in sysc_reset()
2202 static int sysc_init_module(struct sysc *ddata) in sysc_init_module() argument
2207 error = sysc_clockdomain_init(ddata); in sysc_init_module()
2211 sysc_clkdm_deny_idle(ddata); in sysc_init_module()
2217 error = sysc_enable_opt_clocks(ddata); in sysc_init_module()
2221 error = sysc_enable_main_clocks(ddata); in sysc_init_module()
2225 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) { in sysc_init_module()
2226 error = reset_control_deassert(ddata->rsts); in sysc_init_module()
2232 ddata->revision = sysc_read_revision(ddata); in sysc_init_module()
2233 sysc_init_revision_quirks(ddata); in sysc_init_module()
2234 sysc_init_module_quirks(ddata); in sysc_init_module()
2236 if (ddata->legacy_mode) { in sysc_init_module()
2237 error = sysc_legacy_init(ddata); in sysc_init_module()
2242 if (!ddata->legacy_mode) { in sysc_init_module()
2243 error = sysc_enable_module(ddata->dev); in sysc_init_module()
2248 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) { in sysc_init_module()
2249 error = sysc_reset(ddata); in sysc_init_module()
2251 dev_err(ddata->dev, "Reset failed with %d\n", error); in sysc_init_module()
2253 if (error && !ddata->legacy_mode) in sysc_init_module()
2254 sysc_disable_module(ddata->dev); in sysc_init_module()
2259 sysc_disable_main_clocks(ddata); in sysc_init_module()
2263 sysc_disable_opt_clocks(ddata); in sysc_init_module()
2264 sysc_clkdm_allow_idle(ddata); in sysc_init_module()
2268 !(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_init_module()
2269 reset_control_assert(ddata->rsts); in sysc_init_module()
2274 static int sysc_init_sysc_mask(struct sysc *ddata) in sysc_init_sysc_mask() argument
2276 struct device_node *np = ddata->dev->of_node; in sysc_init_sysc_mask()
2284 ddata->cfg.sysc_val = val & ddata->cap->sysc_mask; in sysc_init_sysc_mask()
2289 static int sysc_init_idlemode(struct sysc *ddata, u8 *idlemodes, in sysc_init_idlemode() argument
2292 struct device_node *np = ddata->dev->of_node; in sysc_init_idlemode()
2297 dev_err(ddata->dev, "invalid idlemode: %i\n", val); in sysc_init_idlemode()
2306 static int sysc_init_idlemodes(struct sysc *ddata) in sysc_init_idlemodes() argument
2310 error = sysc_init_idlemode(ddata, &ddata->cfg.midlemodes, in sysc_init_idlemodes()
2315 error = sysc_init_idlemode(ddata, &ddata->cfg.sidlemodes, in sysc_init_idlemodes()
2330 static int sysc_init_syss_mask(struct sysc *ddata) in sysc_init_syss_mask() argument
2332 struct device_node *np = ddata->dev->of_node; in sysc_init_syss_mask()
2338 if ((ddata->cap->type == TI_SYSC_OMAP4 || in sysc_init_syss_mask()
2339 ddata->cap->type == TI_SYSC_OMAP4_TIMER) && in sysc_init_syss_mask()
2340 (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2341 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2346 if (!(val & 1) && (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2347 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2349 ddata->cfg.syss_mask = val; in sysc_init_syss_mask()
2358 static int sysc_child_add_named_clock(struct sysc *ddata, in sysc_child_add_named_clock() argument
2375 clk = clk_get(ddata->dev, name); in sysc_child_add_named_clock()
2388 static int sysc_child_add_clocks(struct sysc *ddata, in sysc_child_add_clocks() argument
2393 for (i = 0; i < ddata->nr_clocks; i++) { in sysc_child_add_clocks()
2394 error = sysc_child_add_named_clock(ddata, in sysc_child_add_clocks()
2396 ddata->clock_roles[i]); in sysc_child_add_clocks()
2398 dev_err(ddata->dev, "could not add child clock %s: %i\n", in sysc_child_add_clocks()
2399 ddata->clock_roles[i], error); in sysc_child_add_clocks()
2423 struct sysc *ddata; in sysc_child_runtime_suspend() local
2426 ddata = sysc_child_to_parent(dev); in sysc_child_runtime_suspend()
2432 if (!ddata->enabled) in sysc_child_runtime_suspend()
2435 return sysc_runtime_suspend(ddata->dev); in sysc_child_runtime_suspend()
2440 struct sysc *ddata; in sysc_child_runtime_resume() local
2443 ddata = sysc_child_to_parent(dev); in sysc_child_runtime_resume()
2445 if (!ddata->enabled) { in sysc_child_runtime_resume()
2446 error = sysc_runtime_resume(ddata->dev); in sysc_child_runtime_resume()
2448 dev_err(ddata->dev, in sysc_child_runtime_resume()
2459 struct sysc *ddata; in sysc_reinit_modules() local
2462 ddata = module->ddata; in sysc_reinit_modules()
2463 sysc_reinit_module(ddata, ddata->enabled); in sysc_reinit_modules()
2501 static void sysc_add_restored(struct sysc *ddata) in sysc_add_restored() argument
2509 restored_module->ddata = ddata; in sysc_add_restored()
2529 struct sysc *ddata; in sysc_notifier_call() local
2532 ddata = sysc_child_to_parent(dev); in sysc_notifier_call()
2533 if (!ddata) in sysc_notifier_call()
2538 error = sysc_child_add_clocks(ddata, dev); in sysc_notifier_call()
2568 static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np, in sysc_parse_dts_quirks() argument
2579 ddata->cfg.quirks |= sysc_dts_quirks[i].mask; in sysc_parse_dts_quirks()
2581 dev_warn(ddata->dev, in sysc_parse_dts_quirks()
2588 static int sysc_init_dts_quirks(struct sysc *ddata) in sysc_init_dts_quirks() argument
2590 struct device_node *np = ddata->dev->of_node; in sysc_init_dts_quirks()
2594 ddata->legacy_mode = of_get_property(np, "ti,hwmods", NULL); in sysc_init_dts_quirks()
2596 sysc_parse_dts_quirks(ddata, np, false); in sysc_init_dts_quirks()
2600 dev_warn(ddata->dev, "bad ti,sysc-delay-us: %i\n", in sysc_init_dts_quirks()
2604 ddata->cfg.srst_udelay = (u8)val; in sysc_init_dts_quirks()
2610 static void sysc_unprepare(struct sysc *ddata) in sysc_unprepare() argument
2614 if (!ddata->clocks) in sysc_unprepare()
2618 if (!IS_ERR_OR_NULL(ddata->clocks[i])) in sysc_unprepare()
2619 clk_unprepare(ddata->clocks[i]); in sysc_unprepare()
2868 static int sysc_init_pdata(struct sysc *ddata) in sysc_init_pdata() argument
2870 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_init_pdata()
2876 mdata = devm_kzalloc(ddata->dev, sizeof(*mdata), GFP_KERNEL); in sysc_init_pdata()
2880 if (ddata->legacy_mode) { in sysc_init_pdata()
2881 mdata->name = ddata->legacy_mode; in sysc_init_pdata()
2882 mdata->module_pa = ddata->module_pa; in sysc_init_pdata()
2883 mdata->module_size = ddata->module_size; in sysc_init_pdata()
2884 mdata->offsets = ddata->offsets; in sysc_init_pdata()
2886 mdata->cap = ddata->cap; in sysc_init_pdata()
2887 mdata->cfg = &ddata->cfg; in sysc_init_pdata()
2890 ddata->mdata = mdata; in sysc_init_pdata()
2895 static int sysc_init_match(struct sysc *ddata) in sysc_init_match() argument
2899 cap = of_device_get_match_data(ddata->dev); in sysc_init_match()
2903 ddata->cap = cap; in sysc_init_match()
2904 if (ddata->cap) in sysc_init_match()
2905 ddata->cfg.quirks |= ddata->cap->mod_quirks; in sysc_init_match()
2912 struct sysc *ddata; in ti_sysc_idle() local
2914 ddata = container_of(work, struct sysc, idle_work.work); in ti_sysc_idle()
2922 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in ti_sysc_idle()
2924 sysc_disable_main_clocks(ddata); in ti_sysc_idle()
2925 sysc_disable_opt_clocks(ddata); in ti_sysc_idle()
2926 sysc_clkdm_allow_idle(ddata); in ti_sysc_idle()
2930 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in ti_sysc_idle()
2937 if (pm_runtime_active(ddata->dev)) in ti_sysc_idle()
2938 pm_runtime_put_sync(ddata->dev); in ti_sysc_idle()
3008 static int sysc_init_static_data(struct sysc *ddata) in sysc_init_static_data() argument
3027 pdata = dev_get_platdata(ddata->dev); in sysc_init_static_data()
3115 static int sysc_check_disabled_devices(struct sysc *ddata) in sysc_check_disabled_devices() argument
3122 if (ddata->module_pa == disabled_module->base) { in sysc_check_disabled_devices()
3123 dev_dbg(ddata->dev, "module disabled for this SoC\n"); in sysc_check_disabled_devices()
3138 static int sysc_check_active_timer(struct sysc *ddata) in sysc_check_active_timer() argument
3142 if (ddata->cap->type != TI_SYSC_OMAP2_TIMER && in sysc_check_active_timer()
3143 ddata->cap->type != TI_SYSC_OMAP4_TIMER) in sysc_check_active_timer()
3158 if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) && in sysc_check_active_timer()
3159 (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE)) in sysc_check_active_timer()
3173 struct sysc *ddata; in sysc_probe() local
3176 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); in sysc_probe()
3177 if (!ddata) in sysc_probe()
3180 ddata->offsets[SYSC_REVISION] = -ENODEV; in sysc_probe()
3181 ddata->offsets[SYSC_SYSCONFIG] = -ENODEV; in sysc_probe()
3182 ddata->offsets[SYSC_SYSSTATUS] = -ENODEV; in sysc_probe()
3183 ddata->dev = &pdev->dev; in sysc_probe()
3184 platform_set_drvdata(pdev, ddata); in sysc_probe()
3186 error = sysc_init_static_data(ddata); in sysc_probe()
3190 error = sysc_init_match(ddata); in sysc_probe()
3194 error = sysc_init_dts_quirks(ddata); in sysc_probe()
3198 error = sysc_map_and_check_registers(ddata); in sysc_probe()
3202 error = sysc_init_sysc_mask(ddata); in sysc_probe()
3206 error = sysc_init_idlemodes(ddata); in sysc_probe()
3210 error = sysc_init_syss_mask(ddata); in sysc_probe()
3214 error = sysc_init_pdata(ddata); in sysc_probe()
3218 sysc_init_early_quirks(ddata); in sysc_probe()
3220 error = sysc_check_disabled_devices(ddata); in sysc_probe()
3224 error = sysc_check_active_timer(ddata); in sysc_probe()
3226 ddata->reserved = true; in sysc_probe()
3230 error = sysc_get_clocks(ddata); in sysc_probe()
3234 error = sysc_init_resets(ddata); in sysc_probe()
3238 error = sysc_init_module(ddata); in sysc_probe()
3242 pm_runtime_enable(ddata->dev); in sysc_probe()
3243 error = pm_runtime_resume_and_get(ddata->dev); in sysc_probe()
3245 pm_runtime_disable(ddata->dev); in sysc_probe()
3250 if (!(ddata->cfg.quirks & in sysc_probe()
3252 sysc_disable_main_clocks(ddata); in sysc_probe()
3253 sysc_disable_opt_clocks(ddata); in sysc_probe()
3254 sysc_clkdm_allow_idle(ddata); in sysc_probe()
3257 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_probe()
3258 reset_control_assert(ddata->rsts); in sysc_probe()
3260 sysc_show_registers(ddata); in sysc_probe()
3262 ddata->dev->type = &sysc_device_type; in sysc_probe()
3264 if (!ddata->reserved) { in sysc_probe()
3265 error = of_platform_populate(ddata->dev->of_node, in sysc_probe()
3268 ddata->dev); in sysc_probe()
3273 INIT_DELAYED_WORK(&ddata->idle_work, ti_sysc_idle); in sysc_probe()
3276 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in sysc_probe()
3279 schedule_delayed_work(&ddata->idle_work, 3000); in sysc_probe()
3284 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_CTX_LOST) in sysc_probe()
3285 sysc_add_restored(ddata); in sysc_probe()
3293 sysc_unprepare(ddata); in sysc_probe()
3300 struct sysc *ddata = platform_get_drvdata(pdev); in sysc_remove() local
3304 if (cancel_delayed_work_sync(&ddata->idle_work)) in sysc_remove()
3305 ti_sysc_idle(&ddata->idle_work.work); in sysc_remove()
3307 error = pm_runtime_resume_and_get(ddata->dev); in sysc_remove()
3309 pm_runtime_disable(ddata->dev); in sysc_remove()
3318 if (!reset_control_status(ddata->rsts)) in sysc_remove()
3319 reset_control_assert(ddata->rsts); in sysc_remove()
3322 sysc_unprepare(ddata); in sysc_remove()