Lines Matching refs:ddata
57 struct sysc *ddata; member
157 static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np,
160 static void sysc_write(struct sysc *ddata, int offset, u32 value) in sysc_write() argument
162 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_write()
163 writew_relaxed(value & 0xffff, ddata->module_va + offset); in sysc_write()
166 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_write()
167 offset == ddata->offsets[SYSC_REVISION]) { in sysc_write()
170 writew_relaxed(hi, ddata->module_va + offset + 4); in sysc_write()
176 writel_relaxed(value, ddata->module_va + offset); in sysc_write()
179 static u32 sysc_read(struct sysc *ddata, int offset) in sysc_read() argument
181 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_read()
184 val = readw_relaxed(ddata->module_va + offset); in sysc_read()
187 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_read()
188 offset == ddata->offsets[SYSC_REVISION]) { in sysc_read()
189 u16 tmp = readw_relaxed(ddata->module_va + offset + 4); in sysc_read()
197 return readl_relaxed(ddata->module_va + offset); in sysc_read()
200 static bool sysc_opt_clks_needed(struct sysc *ddata) in sysc_opt_clks_needed() argument
202 return !!(ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_NEEDED); in sysc_opt_clks_needed()
205 static u32 sysc_read_revision(struct sysc *ddata) in sysc_read_revision() argument
207 int offset = ddata->offsets[SYSC_REVISION]; in sysc_read_revision()
212 return sysc_read(ddata, offset); in sysc_read_revision()
215 static u32 sysc_read_sysconfig(struct sysc *ddata) in sysc_read_sysconfig() argument
217 int offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_read_sysconfig()
222 return sysc_read(ddata, offset); in sysc_read_sysconfig()
225 static u32 sysc_read_sysstatus(struct sysc *ddata) in sysc_read_sysstatus() argument
227 int offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_read_sysstatus()
232 return sysc_read(ddata, offset); in sysc_read_sysstatus()
235 static int sysc_poll_reset_sysstatus(struct sysc *ddata) in sysc_poll_reset_sysstatus() argument
240 if (ddata->cfg.quirks & SYSS_QUIRK_RESETDONE_INVERTED) in sysc_poll_reset_sysstatus()
243 syss_done = ddata->cfg.syss_mask; in sysc_poll_reset_sysstatus()
246 error = readx_poll_timeout_atomic(sysc_read_sysstatus, ddata, in sysc_poll_reset_sysstatus()
247 rstval, (rstval & ddata->cfg.syss_mask) == in sysc_poll_reset_sysstatus()
252 rstval = sysc_read_sysstatus(ddata); in sysc_poll_reset_sysstatus()
253 if ((rstval & ddata->cfg.syss_mask) == syss_done) in sysc_poll_reset_sysstatus()
263 static int sysc_poll_reset_sysconfig(struct sysc *ddata) in sysc_poll_reset_sysconfig() argument
268 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_poll_reset_sysconfig()
271 error = readx_poll_timeout_atomic(sysc_read_sysconfig, ddata, in sysc_poll_reset_sysconfig()
277 rstval = sysc_read_sysconfig(ddata); in sysc_poll_reset_sysconfig()
289 static int sysc_wait_softreset(struct sysc *ddata) in sysc_wait_softreset() argument
293 if (ddata->cap->regbits->srst_shift < 0) in sysc_wait_softreset()
296 syss_offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_wait_softreset()
299 error = sysc_poll_reset_sysstatus(ddata); in sysc_wait_softreset()
300 else if (ddata->cfg.quirks & SYSC_QUIRK_RESET_STATUS) in sysc_wait_softreset()
301 error = sysc_poll_reset_sysconfig(ddata); in sysc_wait_softreset()
306 static int sysc_add_named_clock_from_child(struct sysc *ddata, in sysc_add_named_clock_from_child() argument
310 struct device_node *np = ddata->dev->of_node; in sysc_add_named_clock_from_child()
333 clock = devm_get_clk_from_child(ddata->dev, child, name); in sysc_add_named_clock_from_child()
347 cl->dev_id = dev_name(ddata->dev); in sysc_add_named_clock_from_child()
356 static int sysc_init_ext_opt_clock(struct sysc *ddata, const char *name) in sysc_init_ext_opt_clock() argument
361 if (ddata->nr_clocks < SYSC_OPTFCK0) in sysc_init_ext_opt_clock()
364 index = ddata->nr_clocks; in sysc_init_ext_opt_clock()
371 error = sysc_add_named_clock_from_child(ddata, name, optfck_name); in sysc_init_ext_opt_clock()
375 ddata->clock_roles[index] = optfck_name; in sysc_init_ext_opt_clock()
376 ddata->nr_clocks++; in sysc_init_ext_opt_clock()
381 static int sysc_get_one_clock(struct sysc *ddata, const char *name) in sysc_get_one_clock() argument
392 if (!ddata->clocks[i]) { in sysc_get_one_clock()
400 dev_err(ddata->dev, "clock %s not added\n", name); in sysc_get_one_clock()
404 ddata->clocks[index] = devm_clk_get(ddata->dev, name); in sysc_get_one_clock()
405 if (IS_ERR(ddata->clocks[index])) { in sysc_get_one_clock()
406 dev_err(ddata->dev, "clock get error for %s: %li\n", in sysc_get_one_clock()
407 name, PTR_ERR(ddata->clocks[index])); in sysc_get_one_clock()
409 return PTR_ERR(ddata->clocks[index]); in sysc_get_one_clock()
412 error = clk_prepare(ddata->clocks[index]); in sysc_get_one_clock()
414 dev_err(ddata->dev, "clock prepare error for %s: %i\n", in sysc_get_one_clock()
423 static int sysc_get_clocks(struct sysc *ddata) in sysc_get_clocks() argument
425 struct device_node *np = ddata->dev->of_node; in sysc_get_clocks()
430 ddata->clock_roles = devm_kcalloc(ddata->dev, in sysc_get_clocks()
432 sizeof(*ddata->clock_roles), in sysc_get_clocks()
434 if (!ddata->clock_roles) in sysc_get_clocks()
442 ddata->clock_roles[ddata->nr_clocks] = name; in sysc_get_clocks()
443 ddata->nr_clocks++; in sysc_get_clocks()
446 if (ddata->nr_clocks < 1) in sysc_get_clocks()
449 if ((ddata->cfg.quirks & SYSC_QUIRK_EXT_OPT_CLOCK)) { in sysc_get_clocks()
450 error = sysc_init_ext_opt_clock(ddata, NULL); in sysc_get_clocks()
455 if (ddata->nr_clocks > SYSC_MAX_CLOCKS) { in sysc_get_clocks()
456 dev_err(ddata->dev, "too many clocks for %pOF\n", np); in sysc_get_clocks()
462 dev_err(ddata->dev, "max one fck and ick for %pOF\n", np); in sysc_get_clocks()
469 ddata->nr_clocks++; in sysc_get_clocks()
471 ddata->nr_clocks++; in sysc_get_clocks()
473 ddata->clocks = devm_kcalloc(ddata->dev, in sysc_get_clocks()
474 ddata->nr_clocks, sizeof(*ddata->clocks), in sysc_get_clocks()
476 if (!ddata->clocks) in sysc_get_clocks()
480 const char *name = ddata->clock_roles[i]; in sysc_get_clocks()
485 error = sysc_get_one_clock(ddata, name); in sysc_get_clocks()
493 static int sysc_enable_main_clocks(struct sysc *ddata) in sysc_enable_main_clocks() argument
498 if (!ddata->clocks) in sysc_enable_main_clocks()
502 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
517 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
529 static void sysc_disable_main_clocks(struct sysc *ddata) in sysc_disable_main_clocks() argument
534 if (!ddata->clocks) in sysc_disable_main_clocks()
538 clock = ddata->clocks[i]; in sysc_disable_main_clocks()
546 static int sysc_enable_opt_clocks(struct sysc *ddata) in sysc_enable_opt_clocks() argument
551 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_enable_opt_clocks()
555 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
570 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
580 static void sysc_disable_opt_clocks(struct sysc *ddata) in sysc_disable_opt_clocks() argument
585 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_disable_opt_clocks()
589 clock = ddata->clocks[i]; in sysc_disable_opt_clocks()
599 static void sysc_clkdm_deny_idle(struct sysc *ddata) in sysc_clkdm_deny_idle() argument
603 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_deny_idle()
606 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_deny_idle()
608 pdata->clkdm_deny_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_deny_idle()
611 static void sysc_clkdm_allow_idle(struct sysc *ddata) in sysc_clkdm_allow_idle() argument
615 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_allow_idle()
618 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_allow_idle()
620 pdata->clkdm_allow_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_allow_idle()
629 static int sysc_init_resets(struct sysc *ddata) in sysc_init_resets() argument
631 ddata->rsts = in sysc_init_resets()
632 devm_reset_control_get_optional_shared(ddata->dev, "rstctrl"); in sysc_init_resets()
634 return PTR_ERR_OR_ZERO(ddata->rsts); in sysc_init_resets()
646 static int sysc_parse_and_check_child_range(struct sysc *ddata) in sysc_parse_and_check_child_range() argument
648 struct device_node *np = ddata->dev->of_node; in sysc_parse_and_check_child_range()
655 dev_err(ddata->dev, "missing ranges for %pOF\n", np); in sysc_parse_and_check_child_range()
663 dev_err(ddata->dev, "incomplete ranges for %pOF\n", np); in sysc_parse_and_check_child_range()
677 dev_err(ddata->dev, "invalid ranges for %pOF\n", np); in sysc_parse_and_check_child_range()
683 ddata->module_pa = of_translate_address(np, ranges++); in sysc_parse_and_check_child_range()
684 ddata->module_size = be32_to_cpup(ranges); in sysc_parse_and_check_child_range()
711 static int sysc_defer_non_critical(struct sysc *ddata) in sysc_defer_non_critical() argument
721 if (ddata->module_pa >= res->start && in sysc_defer_non_critical()
722 ddata->module_pa <= res->end) { in sysc_defer_non_critical()
736 static void sysc_init_stdout_path(struct sysc *ddata) in sysc_init_stdout_path() argument
767 static void sysc_check_quirk_stdout(struct sysc *ddata, in sysc_check_quirk_stdout() argument
770 sysc_init_stdout_path(ddata); in sysc_check_quirk_stdout()
774 ddata->cfg.quirks |= SYSC_QUIRK_NO_IDLE_ON_INIT | in sysc_check_quirk_stdout()
787 static void sysc_check_one_child(struct sysc *ddata, in sysc_check_one_child() argument
794 dev_warn(ddata->dev, "really a child ti,hwmods property?"); in sysc_check_one_child()
796 sysc_check_quirk_stdout(ddata, np); in sysc_check_one_child()
797 sysc_parse_dts_quirks(ddata, np, true); in sysc_check_one_child()
800 static void sysc_check_children(struct sysc *ddata) in sysc_check_children() argument
804 for_each_child_of_node(ddata->dev->of_node, child) in sysc_check_children()
805 sysc_check_one_child(ddata, child); in sysc_check_children()
814 static void sysc_check_quirk_16bit(struct sysc *ddata, struct resource *res) in sysc_check_quirk_16bit() argument
817 ddata->cfg.quirks |= SYSC_QUIRK_16BIT | SYSC_QUIRK_USE_CLOCKACT; in sysc_check_quirk_16bit()
825 static int sysc_parse_one(struct sysc *ddata, enum sysc_registers reg) in sysc_parse_one() argument
840 res = platform_get_resource_byname(to_platform_device(ddata->dev), in sysc_parse_one()
843 ddata->offsets[reg] = -ENODEV; in sysc_parse_one()
848 ddata->offsets[reg] = res->start - ddata->module_pa; in sysc_parse_one()
850 sysc_check_quirk_16bit(ddata, res); in sysc_parse_one()
855 static int sysc_parse_registers(struct sysc *ddata) in sysc_parse_registers() argument
860 error = sysc_parse_one(ddata, i); in sysc_parse_registers()
872 static int sysc_check_registers(struct sysc *ddata) in sysc_check_registers() argument
877 if (ddata->offsets[i] < 0) in sysc_check_registers()
880 if (ddata->offsets[i] > (ddata->module_size - 4)) { in sysc_check_registers()
881 dev_err(ddata->dev, "register outside module range"); in sysc_check_registers()
887 if (ddata->offsets[j] < 0) in sysc_check_registers()
890 if (ddata->offsets[i] == ddata->offsets[j]) in sysc_check_registers()
897 dev_err(ddata->dev, "overlapping registers: (%i/%i)", in sysc_check_registers()
917 static int sysc_ioremap(struct sysc *ddata) in sysc_ioremap() argument
921 if (ddata->offsets[SYSC_REVISION] < 0 && in sysc_ioremap()
922 ddata->offsets[SYSC_SYSCONFIG] < 0 && in sysc_ioremap()
923 ddata->offsets[SYSC_SYSSTATUS] < 0) { in sysc_ioremap()
924 size = ddata->module_size; in sysc_ioremap()
926 size = max3(ddata->offsets[SYSC_REVISION], in sysc_ioremap()
927 ddata->offsets[SYSC_SYSCONFIG], in sysc_ioremap()
928 ddata->offsets[SYSC_SYSSTATUS]); in sysc_ioremap()
933 if ((size + sizeof(u32)) > ddata->module_size) in sysc_ioremap()
934 size = ddata->module_size; in sysc_ioremap()
937 ddata->module_va = devm_ioremap(ddata->dev, in sysc_ioremap()
938 ddata->module_pa, in sysc_ioremap()
940 if (!ddata->module_va) in sysc_ioremap()
950 static int sysc_map_and_check_registers(struct sysc *ddata) in sysc_map_and_check_registers() argument
954 error = sysc_parse_and_check_child_range(ddata); in sysc_map_and_check_registers()
958 error = sysc_defer_non_critical(ddata); in sysc_map_and_check_registers()
962 sysc_check_children(ddata); in sysc_map_and_check_registers()
964 error = sysc_parse_registers(ddata); in sysc_map_and_check_registers()
968 error = sysc_ioremap(ddata); in sysc_map_and_check_registers()
972 error = sysc_check_registers(ddata); in sysc_map_and_check_registers()
984 static int sysc_show_rev(char *bufp, struct sysc *ddata) in sysc_show_rev() argument
988 if (ddata->offsets[SYSC_REVISION] < 0) in sysc_show_rev()
991 len = sprintf(bufp, ":%08x", ddata->revision); in sysc_show_rev()
996 static int sysc_show_reg(struct sysc *ddata, in sysc_show_reg() argument
999 if (ddata->offsets[reg] < 0) in sysc_show_reg()
1002 return sprintf(bufp, ":%x", ddata->offsets[reg]); in sysc_show_reg()
1005 static int sysc_show_name(char *bufp, struct sysc *ddata) in sysc_show_name() argument
1007 if (!ddata->name) in sysc_show_name()
1010 return sprintf(bufp, ":%s", ddata->name); in sysc_show_name()
1017 static void sysc_show_registers(struct sysc *ddata) in sysc_show_registers() argument
1024 bufp += sysc_show_reg(ddata, bufp, i); in sysc_show_registers()
1026 bufp += sysc_show_rev(bufp, ddata); in sysc_show_registers()
1027 bufp += sysc_show_name(bufp, ddata); in sysc_show_registers()
1029 dev_dbg(ddata->dev, "%llx:%x%s\n", in sysc_show_registers()
1030 ddata->module_pa, ddata->module_size, in sysc_show_registers()
1039 static void sysc_write_sysconfig(struct sysc *ddata, u32 value) in sysc_write_sysconfig() argument
1041 if (ddata->module_unlock_quirk) in sysc_write_sysconfig()
1042 ddata->module_unlock_quirk(ddata); in sysc_write_sysconfig()
1044 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], value); in sysc_write_sysconfig()
1046 if (ddata->module_lock_quirk) in sysc_write_sysconfig()
1047 ddata->module_lock_quirk(ddata); in sysc_write_sysconfig()
1056 struct sysc *ddata; in sysc_enable_module() local
1061 ddata = dev_get_drvdata(dev); in sysc_enable_module()
1067 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) { in sysc_enable_module()
1068 error = sysc_enable_opt_clocks(ddata); in sysc_enable_module()
1070 dev_err(ddata->dev, in sysc_enable_module()
1080 if (!(ddata->cfg.quirks & SYSC_MODULE_QUIRK_ENA_RESETDONE)) { in sysc_enable_module()
1081 error = sysc_wait_softreset(ddata); in sysc_enable_module()
1083 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_enable_module()
1085 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) in sysc_enable_module()
1086 sysc_disable_opt_clocks(ddata); in sysc_enable_module()
1093 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_enable_module()
1096 regbits = ddata->cap->regbits; in sysc_enable_module()
1097 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1105 (ddata->cfg.quirks & SYSC_QUIRK_USE_CLOCKACT)) in sysc_enable_module()
1109 idlemodes = ddata->cfg.sidlemodes; in sysc_enable_module()
1113 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_SIDLE | 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()
1145 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_MSTANDBY) in sysc_enable_module()
1150 sysc_write_sysconfig(ddata, reg); in sysc_enable_module()
1155 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) { in sysc_enable_module()
1157 sysc_write_sysconfig(ddata, reg); in sysc_enable_module()
1161 sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1163 if (ddata->module_enable_quirk) in sysc_enable_module()
1164 ddata->module_enable_quirk(ddata); in sysc_enable_module()
1186 struct sysc *ddata; in sysc_disable_module() local
1191 ddata = dev_get_drvdata(dev); in sysc_disable_module()
1192 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_disable_module()
1195 if (ddata->module_disable_quirk) in sysc_disable_module()
1196 ddata->module_disable_quirk(ddata); in sysc_disable_module()
1198 regbits = ddata->cap->regbits; in sysc_disable_module()
1199 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1202 idlemodes = ddata->cfg.midlemodes; in sysc_disable_module()
1212 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_MSTANDBY) || in sysc_disable_module()
1213 ddata->cfg.quirks & (SYSC_QUIRK_FORCE_MSTANDBY)) in sysc_disable_module()
1218 sysc_write_sysconfig(ddata, reg); in sysc_disable_module()
1222 idlemodes = ddata->cfg.sidlemodes; in sysc_disable_module()
1226 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE) { in sysc_disable_module()
1239 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) in sysc_disable_module()
1241 sysc_write_sysconfig(ddata, reg); in sysc_disable_module()
1244 sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1250 struct sysc *ddata) in sysc_runtime_suspend_legacy() argument
1255 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_suspend_legacy()
1262 error = pdata->idle_module(dev, &ddata->cookie); in sysc_runtime_suspend_legacy()
1267 reset_control_assert(ddata->rsts); in sysc_runtime_suspend_legacy()
1273 struct sysc *ddata) in sysc_runtime_resume_legacy() argument
1278 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_resume_legacy()
1285 error = pdata->enable_module(dev, &ddata->cookie); in sysc_runtime_resume_legacy()
1290 reset_control_deassert(ddata->rsts); in sysc_runtime_resume_legacy()
1297 struct sysc *ddata; in sysc_runtime_suspend() local
1300 ddata = dev_get_drvdata(dev); in sysc_runtime_suspend()
1302 if (!ddata->enabled) in sysc_runtime_suspend()
1305 sysc_clkdm_deny_idle(ddata); in sysc_runtime_suspend()
1307 if (ddata->legacy_mode) { in sysc_runtime_suspend()
1308 error = sysc_runtime_suspend_legacy(dev, ddata); in sysc_runtime_suspend()
1317 sysc_disable_main_clocks(ddata); in sysc_runtime_suspend()
1319 if (sysc_opt_clks_needed(ddata)) in sysc_runtime_suspend()
1320 sysc_disable_opt_clocks(ddata); in sysc_runtime_suspend()
1322 ddata->enabled = false; in sysc_runtime_suspend()
1325 reset_control_assert(ddata->rsts); in sysc_runtime_suspend()
1327 sysc_clkdm_allow_idle(ddata); in sysc_runtime_suspend()
1334 struct sysc *ddata; in sysc_runtime_resume() local
1337 ddata = dev_get_drvdata(dev); in sysc_runtime_resume()
1339 if (ddata->enabled) in sysc_runtime_resume()
1343 sysc_clkdm_deny_idle(ddata); in sysc_runtime_resume()
1345 if (sysc_opt_clks_needed(ddata)) { in sysc_runtime_resume()
1346 error = sysc_enable_opt_clocks(ddata); in sysc_runtime_resume()
1351 error = sysc_enable_main_clocks(ddata); in sysc_runtime_resume()
1355 reset_control_deassert(ddata->rsts); in sysc_runtime_resume()
1357 if (ddata->legacy_mode) { in sysc_runtime_resume()
1358 error = sysc_runtime_resume_legacy(dev, ddata); in sysc_runtime_resume()
1367 ddata->enabled = true; in sysc_runtime_resume()
1369 sysc_clkdm_allow_idle(ddata); in sysc_runtime_resume()
1374 sysc_disable_main_clocks(ddata); in sysc_runtime_resume()
1376 if (sysc_opt_clks_needed(ddata)) in sysc_runtime_resume()
1377 sysc_disable_opt_clocks(ddata); in sysc_runtime_resume()
1379 sysc_clkdm_allow_idle(ddata); in sysc_runtime_resume()
1384 static int sysc_reinit_module(struct sysc *ddata, bool leave_enabled) in sysc_reinit_module() argument
1386 struct device *dev = ddata->dev; in sysc_reinit_module()
1390 if (ddata->enabled) { in sysc_reinit_module()
1414 struct sysc *ddata; in sysc_noirq_suspend() local
1416 ddata = dev_get_drvdata(dev); in sysc_noirq_suspend()
1418 if (ddata->cfg.quirks & in sysc_noirq_suspend()
1422 if (!ddata->enabled) in sysc_noirq_suspend()
1425 ddata->needs_resume = 1; in sysc_noirq_suspend()
1432 struct sysc *ddata; in sysc_noirq_resume() local
1435 ddata = dev_get_drvdata(dev); in sysc_noirq_resume()
1437 if (ddata->cfg.quirks & in sysc_noirq_resume()
1441 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_RESUME) { in sysc_noirq_resume()
1442 error = sysc_reinit_module(ddata, ddata->needs_resume); in sysc_noirq_resume()
1445 } else if (ddata->needs_resume) { in sysc_noirq_resume()
1451 ddata->needs_resume = 0; in sysc_noirq_resume()
1650 static void sysc_init_early_quirks(struct sysc *ddata) in sysc_init_early_quirks() argument
1661 if (q->base != ddata->module_pa) in sysc_init_early_quirks()
1664 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_early_quirks()
1667 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_early_quirks()
1670 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_early_quirks()
1673 ddata->name = q->name; in sysc_init_early_quirks()
1674 ddata->cfg.quirks |= q->quirks; in sysc_init_early_quirks()
1679 static void sysc_init_revision_quirks(struct sysc *ddata) in sysc_init_revision_quirks() argument
1687 if (q->base && q->base != ddata->module_pa) in sysc_init_revision_quirks()
1690 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_revision_quirks()
1693 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_revision_quirks()
1696 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_revision_quirks()
1699 if (q->revision == ddata->revision || in sysc_init_revision_quirks()
1701 (ddata->revision & q->revision_mask)) { in sysc_init_revision_quirks()
1702 ddata->name = q->name; in sysc_init_revision_quirks()
1703 ddata->cfg.quirks |= q->quirks; in sysc_init_revision_quirks()
1713 static u32 sysc_quirk_dispc(struct sysc *ddata, int dispc_offset, in sysc_quirk_dispc() argument
1744 devm_iounmap(ddata->dev, ddata->module_va); in sysc_quirk_dispc()
1745 ddata->module_va = devm_ioremap(ddata->dev, in sysc_quirk_dispc()
1746 ddata->module_pa, in sysc_quirk_dispc()
1747 ddata->module_size); in sysc_quirk_dispc()
1748 if (!ddata->module_va) in sysc_quirk_dispc()
1752 val = sysc_read(ddata, dispc_offset + 0x40); in sysc_quirk_dispc()
1764 sysc_write(ddata, dispc_offset + 0x40, in sysc_quirk_dispc()
1771 val = sysc_read(ddata, dispc_offset + 0x238); in sysc_quirk_dispc()
1776 sysc_write(ddata, dispc_offset + 0x238, in sysc_quirk_dispc()
1783 val = sysc_read(ddata, dispc_offset + 0x848); in sysc_quirk_dispc()
1788 sysc_write(ddata, dispc_offset + 0x848, in sysc_quirk_dispc()
1795 static void sysc_pre_reset_quirk_dss(struct sysc *ddata) in sysc_pre_reset_quirk_dss() argument
1802 irq_mask = sysc_quirk_dispc(ddata, dispc_offset, false); in sysc_pre_reset_quirk_dss()
1807 sysc_write(ddata, dispc_offset + 0x18, irq_mask); in sysc_pre_reset_quirk_dss()
1810 val = sysc_quirk_dispc(ddata, dispc_offset, true); in sysc_pre_reset_quirk_dss()
1813 error = readl_poll_timeout(ddata->module_va + dispc_offset + 0x18, in sysc_pre_reset_quirk_dss()
1816 dev_warn(ddata->dev, "%s: timed out %08x !+ %08x\n", in sysc_pre_reset_quirk_dss()
1821 sysc_write(ddata, 0x44, 0); in sysc_pre_reset_quirk_dss()
1824 sysc_write(ddata, 0x48, 0); in sysc_pre_reset_quirk_dss()
1828 sysc_write(ddata, 0x40, 0); in sysc_pre_reset_quirk_dss()
1832 static void sysc_pre_reset_quirk_hdq1w(struct sysc *ddata) in sysc_pre_reset_quirk_hdq1w() argument
1837 val = sysc_read(ddata, offset); in sysc_pre_reset_quirk_hdq1w()
1839 sysc_write(ddata, offset, val); in sysc_pre_reset_quirk_hdq1w()
1843 static void sysc_module_enable_quirk_aess(struct sysc *ddata) in sysc_module_enable_quirk_aess() argument
1847 sysc_write(ddata, offset, 1); in sysc_module_enable_quirk_aess()
1851 static void sysc_clk_quirk_i2c(struct sysc *ddata, bool enable) in sysc_clk_quirk_i2c() argument
1857 if ((ddata->revision & 0xffffff00) == 0x001f0000) in sysc_clk_quirk_i2c()
1863 val = sysc_read(ddata, offset); in sysc_clk_quirk_i2c()
1868 sysc_write(ddata, offset, val); in sysc_clk_quirk_i2c()
1871 static void sysc_pre_reset_quirk_i2c(struct sysc *ddata) in sysc_pre_reset_quirk_i2c() argument
1873 sysc_clk_quirk_i2c(ddata, false); in sysc_pre_reset_quirk_i2c()
1876 static void sysc_post_reset_quirk_i2c(struct sysc *ddata) in sysc_post_reset_quirk_i2c() argument
1878 sysc_clk_quirk_i2c(ddata, true); in sysc_post_reset_quirk_i2c()
1882 static void sysc_quirk_rtc(struct sysc *ddata, bool lock) in sysc_quirk_rtc() argument
1895 error = readl_poll_timeout_atomic(ddata->module_va + 0x44, val, in sysc_quirk_rtc()
1898 dev_warn(ddata->dev, "rtc busy timeout\n"); in sysc_quirk_rtc()
1900 sysc_write(ddata, 0x6c, kick0_val); in sysc_quirk_rtc()
1901 sysc_write(ddata, 0x70, kick1_val); in sysc_quirk_rtc()
1905 static void sysc_module_unlock_quirk_rtc(struct sysc *ddata) in sysc_module_unlock_quirk_rtc() argument
1907 sysc_quirk_rtc(ddata, false); in sysc_module_unlock_quirk_rtc()
1910 static void sysc_module_lock_quirk_rtc(struct sysc *ddata) in sysc_module_lock_quirk_rtc() argument
1912 sysc_quirk_rtc(ddata, true); in sysc_module_lock_quirk_rtc()
1916 static void sysc_module_enable_quirk_sgx(struct sysc *ddata) in sysc_module_enable_quirk_sgx() argument
1921 sysc_write(ddata, offset, val); in sysc_module_enable_quirk_sgx()
1925 static void sysc_reset_done_quirk_wdt(struct sysc *ddata) in sysc_reset_done_quirk_wdt() argument
1933 sysc_write(ddata, spr, 0xaaaa); in sysc_reset_done_quirk_wdt()
1934 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
1938 dev_warn(ddata->dev, "wdt disable step1 failed\n"); in sysc_reset_done_quirk_wdt()
1940 sysc_write(ddata, spr, 0x5555); in sysc_reset_done_quirk_wdt()
1941 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
1945 dev_warn(ddata->dev, "wdt disable step2 failed\n"); in sysc_reset_done_quirk_wdt()
1949 static void sysc_module_disable_quirk_pruss(struct sysc *ddata) in sysc_module_disable_quirk_pruss() argument
1953 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_module_disable_quirk_pruss()
1955 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg); in sysc_module_disable_quirk_pruss()
1958 static void sysc_init_module_quirks(struct sysc *ddata) in sysc_init_module_quirks() argument
1960 if (ddata->legacy_mode || !ddata->name) in sysc_init_module_quirks()
1963 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_HDQ1W) { in sysc_init_module_quirks()
1964 ddata->pre_reset_quirk = sysc_pre_reset_quirk_hdq1w; in sysc_init_module_quirks()
1970 if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) { in sysc_init_module_quirks()
1971 ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT; in sysc_init_module_quirks()
1977 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) { in sysc_init_module_quirks()
1978 ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c; in sysc_init_module_quirks()
1979 ddata->post_reset_quirk = sysc_post_reset_quirk_i2c; in sysc_init_module_quirks()
1984 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_AESS) in sysc_init_module_quirks()
1985 ddata->module_enable_quirk = sysc_module_enable_quirk_aess; in sysc_init_module_quirks()
1987 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_DSS_RESET) in sysc_init_module_quirks()
1988 ddata->pre_reset_quirk = sysc_pre_reset_quirk_dss; in sysc_init_module_quirks()
1990 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_RTC_UNLOCK) { in sysc_init_module_quirks()
1991 ddata->module_unlock_quirk = sysc_module_unlock_quirk_rtc; in sysc_init_module_quirks()
1992 ddata->module_lock_quirk = sysc_module_lock_quirk_rtc; in sysc_init_module_quirks()
1997 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_SGX) in sysc_init_module_quirks()
1998 ddata->module_enable_quirk = sysc_module_enable_quirk_sgx; in sysc_init_module_quirks()
2000 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_WDT) { in sysc_init_module_quirks()
2001 ddata->reset_done_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2002 ddata->module_disable_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2005 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_PRUSS) in sysc_init_module_quirks()
2006 ddata->module_disable_quirk = sysc_module_disable_quirk_pruss; in sysc_init_module_quirks()
2009 static int sysc_clockdomain_init(struct sysc *ddata) in sysc_clockdomain_init() argument
2011 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_clockdomain_init()
2018 switch (ddata->nr_clocks) { in sysc_clockdomain_init()
2020 ick = ddata->clocks[SYSC_ICK]; in sysc_clockdomain_init()
2023 fck = ddata->clocks[SYSC_FCK]; in sysc_clockdomain_init()
2029 error = pdata->init_clockdomain(ddata->dev, fck, ick, &ddata->cookie); in sysc_clockdomain_init()
2041 static int sysc_legacy_init(struct sysc *ddata) in sysc_legacy_init() argument
2043 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_legacy_init()
2049 error = pdata->init_module(ddata->dev, ddata->mdata, &ddata->cookie); in sysc_legacy_init()
2060 static int sysc_reset(struct sysc *ddata) in sysc_reset() argument
2065 sysc_offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_reset()
2067 if (ddata->legacy_mode || in sysc_reset()
2068 ddata->cap->regbits->srst_shift < 0 || in sysc_reset()
2069 ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) in sysc_reset()
2072 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_reset()
2074 if (ddata->pre_reset_quirk) in sysc_reset()
2075 ddata->pre_reset_quirk(ddata); in sysc_reset()
2078 sysc_val = sysc_read_sysconfig(ddata); in sysc_reset()
2080 sysc_write(ddata, sysc_offset, sysc_val); in sysc_reset()
2083 if (ddata->cfg.srst_udelay) in sysc_reset()
2084 usleep_range(ddata->cfg.srst_udelay, in sysc_reset()
2085 ddata->cfg.srst_udelay * 2); in sysc_reset()
2087 if (ddata->post_reset_quirk) in sysc_reset()
2088 ddata->post_reset_quirk(ddata); in sysc_reset()
2090 error = sysc_wait_softreset(ddata); in sysc_reset()
2092 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_reset()
2094 if (ddata->reset_done_quirk) in sysc_reset()
2095 ddata->reset_done_quirk(ddata); in sysc_reset()
2106 static int sysc_init_module(struct sysc *ddata) in sysc_init_module() argument
2110 error = sysc_clockdomain_init(ddata); in sysc_init_module()
2114 sysc_clkdm_deny_idle(ddata); in sysc_init_module()
2120 error = sysc_enable_opt_clocks(ddata); in sysc_init_module()
2124 error = sysc_enable_main_clocks(ddata); in sysc_init_module()
2128 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) { in sysc_init_module()
2129 error = reset_control_deassert(ddata->rsts); in sysc_init_module()
2134 ddata->revision = sysc_read_revision(ddata); in sysc_init_module()
2135 sysc_init_revision_quirks(ddata); in sysc_init_module()
2136 sysc_init_module_quirks(ddata); in sysc_init_module()
2138 if (ddata->legacy_mode) { in sysc_init_module()
2139 error = sysc_legacy_init(ddata); in sysc_init_module()
2144 if (!ddata->legacy_mode) { in sysc_init_module()
2145 error = sysc_enable_module(ddata->dev); in sysc_init_module()
2150 error = sysc_reset(ddata); in sysc_init_module()
2152 dev_err(ddata->dev, "Reset failed with %d\n", error); in sysc_init_module()
2154 if (error && !ddata->legacy_mode) in sysc_init_module()
2155 sysc_disable_module(ddata->dev); in sysc_init_module()
2158 if (error && !(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_init_module()
2159 reset_control_assert(ddata->rsts); in sysc_init_module()
2163 sysc_disable_main_clocks(ddata); in sysc_init_module()
2167 sysc_disable_opt_clocks(ddata); in sysc_init_module()
2168 sysc_clkdm_allow_idle(ddata); in sysc_init_module()
2174 static int sysc_init_sysc_mask(struct sysc *ddata) in sysc_init_sysc_mask() argument
2176 struct device_node *np = ddata->dev->of_node; in sysc_init_sysc_mask()
2184 ddata->cfg.sysc_val = val & ddata->cap->sysc_mask; in sysc_init_sysc_mask()
2189 static int sysc_init_idlemode(struct sysc *ddata, u8 *idlemodes, in sysc_init_idlemode() argument
2192 struct device_node *np = ddata->dev->of_node; in sysc_init_idlemode()
2199 dev_err(ddata->dev, "invalid idlemode: %i\n", val); in sysc_init_idlemode()
2208 static int sysc_init_idlemodes(struct sysc *ddata) in sysc_init_idlemodes() argument
2212 error = sysc_init_idlemode(ddata, &ddata->cfg.midlemodes, in sysc_init_idlemodes()
2217 error = sysc_init_idlemode(ddata, &ddata->cfg.sidlemodes, in sysc_init_idlemodes()
2232 static int sysc_init_syss_mask(struct sysc *ddata) in sysc_init_syss_mask() argument
2234 struct device_node *np = ddata->dev->of_node; in sysc_init_syss_mask()
2240 if ((ddata->cap->type == TI_SYSC_OMAP4 || in sysc_init_syss_mask()
2241 ddata->cap->type == TI_SYSC_OMAP4_TIMER) && in sysc_init_syss_mask()
2242 (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2243 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2248 if (!(val & 1) && (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2249 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2251 ddata->cfg.syss_mask = val; in sysc_init_syss_mask()
2260 static int sysc_child_add_named_clock(struct sysc *ddata, in sysc_child_add_named_clock() argument
2277 clk = clk_get(ddata->dev, name); in sysc_child_add_named_clock()
2290 static int sysc_child_add_clocks(struct sysc *ddata, in sysc_child_add_clocks() argument
2295 for (i = 0; i < ddata->nr_clocks; i++) { in sysc_child_add_clocks()
2296 error = sysc_child_add_named_clock(ddata, in sysc_child_add_clocks()
2298 ddata->clock_roles[i]); in sysc_child_add_clocks()
2300 dev_err(ddata->dev, "could not add child clock %s: %i\n", in sysc_child_add_clocks()
2301 ddata->clock_roles[i], error); in sysc_child_add_clocks()
2325 struct sysc *ddata; in sysc_child_runtime_suspend() local
2328 ddata = sysc_child_to_parent(dev); in sysc_child_runtime_suspend()
2334 if (!ddata->enabled) in sysc_child_runtime_suspend()
2337 return sysc_runtime_suspend(ddata->dev); in sysc_child_runtime_suspend()
2342 struct sysc *ddata; in sysc_child_runtime_resume() local
2345 ddata = sysc_child_to_parent(dev); in sysc_child_runtime_resume()
2347 if (!ddata->enabled) { in sysc_child_runtime_resume()
2348 error = sysc_runtime_resume(ddata->dev); in sysc_child_runtime_resume()
2350 dev_err(ddata->dev, in sysc_child_runtime_resume()
2360 struct sysc *ddata; in sysc_child_suspend_noirq() local
2363 ddata = sysc_child_to_parent(dev); in sysc_child_suspend_noirq()
2365 dev_dbg(ddata->dev, "%s %s\n", __func__, in sysc_child_suspend_noirq()
2366 ddata->name ? ddata->name : ""); in sysc_child_suspend_noirq()
2385 error = sysc_runtime_suspend(ddata->dev); in sysc_child_suspend_noirq()
2393 ddata->child_needs_resume = true; in sysc_child_suspend_noirq()
2401 struct sysc *ddata; in sysc_child_resume_noirq() local
2404 ddata = sysc_child_to_parent(dev); in sysc_child_resume_noirq()
2406 dev_dbg(ddata->dev, "%s %s\n", __func__, in sysc_child_resume_noirq()
2407 ddata->name ? ddata->name : ""); in sysc_child_resume_noirq()
2409 if (ddata->child_needs_resume) { in sysc_child_resume_noirq()
2410 ddata->child_needs_resume = false; in sysc_child_resume_noirq()
2412 error = sysc_runtime_resume(ddata->dev); in sysc_child_resume_noirq()
2414 dev_err(ddata->dev, in sysc_child_resume_noirq()
2420 dev_err(ddata->dev, in sysc_child_resume_noirq()
2445 struct sysc *ddata; in sysc_reinit_modules() local
2449 ddata = module->ddata; in sysc_reinit_modules()
2450 sysc_reinit_module(ddata, ddata->enabled); in sysc_reinit_modules()
2488 static void sysc_add_restored(struct sysc *ddata) in sysc_add_restored() argument
2496 restored_module->ddata = ddata; in sysc_add_restored()
2525 static void sysc_legacy_idle_quirk(struct sysc *ddata, struct device *child) in sysc_legacy_idle_quirk() argument
2527 if (ddata->cfg.quirks & SYSC_QUIRK_LEGACY_IDLE) in sysc_legacy_idle_quirk()
2535 struct sysc *ddata; in sysc_notifier_call() local
2538 ddata = sysc_child_to_parent(dev); in sysc_notifier_call()
2539 if (!ddata) in sysc_notifier_call()
2544 error = sysc_child_add_clocks(ddata, dev); in sysc_notifier_call()
2547 sysc_legacy_idle_quirk(ddata, dev); in sysc_notifier_call()
2575 static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np, in sysc_parse_dts_quirks() argument
2588 ddata->cfg.quirks |= sysc_dts_quirks[i].mask; in sysc_parse_dts_quirks()
2590 dev_warn(ddata->dev, in sysc_parse_dts_quirks()
2597 static int sysc_init_dts_quirks(struct sysc *ddata) in sysc_init_dts_quirks() argument
2599 struct device_node *np = ddata->dev->of_node; in sysc_init_dts_quirks()
2603 ddata->legacy_mode = of_get_property(np, "ti,hwmods", NULL); in sysc_init_dts_quirks()
2605 sysc_parse_dts_quirks(ddata, np, false); in sysc_init_dts_quirks()
2609 dev_warn(ddata->dev, "bad ti,sysc-delay-us: %i\n", in sysc_init_dts_quirks()
2613 ddata->cfg.srst_udelay = (u8)val; in sysc_init_dts_quirks()
2619 static void sysc_unprepare(struct sysc *ddata) in sysc_unprepare() argument
2623 if (!ddata->clocks) in sysc_unprepare()
2627 if (!IS_ERR_OR_NULL(ddata->clocks[i])) in sysc_unprepare()
2628 clk_unprepare(ddata->clocks[i]); in sysc_unprepare()
2879 static int sysc_init_pdata(struct sysc *ddata) in sysc_init_pdata() argument
2881 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_init_pdata()
2887 mdata = devm_kzalloc(ddata->dev, sizeof(*mdata), GFP_KERNEL); in sysc_init_pdata()
2891 if (ddata->legacy_mode) { in sysc_init_pdata()
2892 mdata->name = ddata->legacy_mode; in sysc_init_pdata()
2893 mdata->module_pa = ddata->module_pa; in sysc_init_pdata()
2894 mdata->module_size = ddata->module_size; in sysc_init_pdata()
2895 mdata->offsets = ddata->offsets; in sysc_init_pdata()
2897 mdata->cap = ddata->cap; in sysc_init_pdata()
2898 mdata->cfg = &ddata->cfg; in sysc_init_pdata()
2901 ddata->mdata = mdata; in sysc_init_pdata()
2906 static int sysc_init_match(struct sysc *ddata) in sysc_init_match() argument
2910 cap = of_device_get_match_data(ddata->dev); in sysc_init_match()
2914 ddata->cap = cap; in sysc_init_match()
2915 if (ddata->cap) in sysc_init_match()
2916 ddata->cfg.quirks |= ddata->cap->mod_quirks; in sysc_init_match()
2923 struct sysc *ddata; in ti_sysc_idle() local
2925 ddata = container_of(work, struct sysc, idle_work.work); in ti_sysc_idle()
2933 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in ti_sysc_idle()
2935 sysc_disable_main_clocks(ddata); in ti_sysc_idle()
2936 sysc_disable_opt_clocks(ddata); in ti_sysc_idle()
2937 sysc_clkdm_allow_idle(ddata); in ti_sysc_idle()
2941 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in ti_sysc_idle()
2948 if (pm_runtime_active(ddata->dev)) in ti_sysc_idle()
2949 pm_runtime_put_sync(ddata->dev); in ti_sysc_idle()
3018 static int sysc_init_static_data(struct sysc *ddata) in sysc_init_static_data() argument
3036 pdata = dev_get_platdata(ddata->dev); in sysc_init_static_data()
3106 static int sysc_check_disabled_devices(struct sysc *ddata) in sysc_check_disabled_devices() argument
3115 if (ddata->module_pa == disabled_module->base) { in sysc_check_disabled_devices()
3116 dev_dbg(ddata->dev, "module disabled for this SoC\n"); in sysc_check_disabled_devices()
3131 static int sysc_check_active_timer(struct sysc *ddata) in sysc_check_active_timer() argument
3135 if (ddata->cap->type != TI_SYSC_OMAP2_TIMER && in sysc_check_active_timer()
3136 ddata->cap->type != TI_SYSC_OMAP4_TIMER) in sysc_check_active_timer()
3151 if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) && in sysc_check_active_timer()
3152 (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE)) in sysc_check_active_timer()
3166 struct sysc *ddata; in sysc_probe() local
3169 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); in sysc_probe()
3170 if (!ddata) in sysc_probe()
3173 ddata->dev = &pdev->dev; in sysc_probe()
3174 platform_set_drvdata(pdev, ddata); in sysc_probe()
3176 error = sysc_init_static_data(ddata); in sysc_probe()
3180 error = sysc_init_match(ddata); in sysc_probe()
3184 error = sysc_init_dts_quirks(ddata); in sysc_probe()
3188 error = sysc_map_and_check_registers(ddata); in sysc_probe()
3192 error = sysc_init_sysc_mask(ddata); in sysc_probe()
3196 error = sysc_init_idlemodes(ddata); in sysc_probe()
3200 error = sysc_init_syss_mask(ddata); in sysc_probe()
3204 error = sysc_init_pdata(ddata); in sysc_probe()
3208 sysc_init_early_quirks(ddata); in sysc_probe()
3210 error = sysc_check_disabled_devices(ddata); in sysc_probe()
3214 error = sysc_check_active_timer(ddata); in sysc_probe()
3216 ddata->reserved = true; in sysc_probe()
3220 error = sysc_get_clocks(ddata); in sysc_probe()
3224 error = sysc_init_resets(ddata); in sysc_probe()
3228 error = sysc_init_module(ddata); in sysc_probe()
3232 pm_runtime_enable(ddata->dev); in sysc_probe()
3233 error = pm_runtime_get_sync(ddata->dev); in sysc_probe()
3235 pm_runtime_put_noidle(ddata->dev); in sysc_probe()
3236 pm_runtime_disable(ddata->dev); in sysc_probe()
3241 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_probe()
3242 reset_control_assert(ddata->rsts); in sysc_probe()
3244 if (!(ddata->cfg.quirks & in sysc_probe()
3246 sysc_disable_main_clocks(ddata); in sysc_probe()
3247 sysc_disable_opt_clocks(ddata); in sysc_probe()
3248 sysc_clkdm_allow_idle(ddata); in sysc_probe()
3251 sysc_show_registers(ddata); in sysc_probe()
3253 ddata->dev->type = &sysc_device_type; in sysc_probe()
3255 if (!ddata->reserved) { in sysc_probe()
3256 error = of_platform_populate(ddata->dev->of_node, in sysc_probe()
3259 ddata->dev); in sysc_probe()
3264 INIT_DELAYED_WORK(&ddata->idle_work, ti_sysc_idle); in sysc_probe()
3267 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in sysc_probe()
3270 schedule_delayed_work(&ddata->idle_work, 3000); in sysc_probe()
3275 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_CTX_LOST) in sysc_probe()
3276 sysc_add_restored(ddata); in sysc_probe()
3284 sysc_unprepare(ddata); in sysc_probe()
3291 struct sysc *ddata = platform_get_drvdata(pdev); in sysc_remove() local
3295 if (cancel_delayed_work_sync(&ddata->idle_work)) in sysc_remove()
3296 ti_sysc_idle(&ddata->idle_work.work); in sysc_remove()
3298 error = pm_runtime_get_sync(ddata->dev); in sysc_remove()
3300 pm_runtime_put_noidle(ddata->dev); in sysc_remove()
3301 pm_runtime_disable(ddata->dev); in sysc_remove()
3310 if (!reset_control_status(ddata->rsts)) in sysc_remove()
3311 reset_control_assert(ddata->rsts); in sysc_remove()
3314 sysc_unprepare(ddata); in sysc_remove()