Lines Matching refs:ddata
70 struct sysc *ddata; member
171 static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np,
173 static int sysc_reset(struct sysc *ddata);
175 static void sysc_write(struct sysc *ddata, int offset, u32 value) in sysc_write() argument
177 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_write()
178 writew_relaxed(value & 0xffff, ddata->module_va + offset); in sysc_write()
181 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_write()
182 offset == ddata->offsets[SYSC_REVISION]) { in sysc_write()
185 writew_relaxed(hi, ddata->module_va + offset + 4); in sysc_write()
191 writel_relaxed(value, ddata->module_va + offset); in sysc_write()
194 static u32 sysc_read(struct sysc *ddata, int offset) in sysc_read() argument
196 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_read()
199 val = readw_relaxed(ddata->module_va + offset); in sysc_read()
202 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_read()
203 offset == ddata->offsets[SYSC_REVISION]) { in sysc_read()
204 u16 tmp = readw_relaxed(ddata->module_va + offset + 4); in sysc_read()
212 return readl_relaxed(ddata->module_va + offset); in sysc_read()
215 static bool sysc_opt_clks_needed(struct sysc *ddata) in sysc_opt_clks_needed() argument
217 return !!(ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_NEEDED); in sysc_opt_clks_needed()
220 static u32 sysc_read_revision(struct sysc *ddata) in sysc_read_revision() argument
222 int offset = ddata->offsets[SYSC_REVISION]; in sysc_read_revision()
227 return sysc_read(ddata, offset); in sysc_read_revision()
230 static u32 sysc_read_sysconfig(struct sysc *ddata) in sysc_read_sysconfig() argument
232 int offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_read_sysconfig()
237 return sysc_read(ddata, offset); in sysc_read_sysconfig()
240 static u32 sysc_read_sysstatus(struct sysc *ddata) in sysc_read_sysstatus() argument
242 int offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_read_sysstatus()
247 return sysc_read(ddata, offset); in sysc_read_sysstatus()
250 static int sysc_poll_reset_sysstatus(struct sysc *ddata) in sysc_poll_reset_sysstatus() argument
255 if (ddata->cfg.quirks & SYSS_QUIRK_RESETDONE_INVERTED) in sysc_poll_reset_sysstatus()
258 syss_done = ddata->cfg.syss_mask; in sysc_poll_reset_sysstatus()
261 error = readx_poll_timeout_atomic(sysc_read_sysstatus, ddata, in sysc_poll_reset_sysstatus()
262 rstval, (rstval & ddata->cfg.syss_mask) == in sysc_poll_reset_sysstatus()
267 rstval = sysc_read_sysstatus(ddata); in sysc_poll_reset_sysstatus()
268 if ((rstval & ddata->cfg.syss_mask) == syss_done) in sysc_poll_reset_sysstatus()
278 static int sysc_poll_reset_sysconfig(struct sysc *ddata) in sysc_poll_reset_sysconfig() argument
283 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_poll_reset_sysconfig()
286 error = readx_poll_timeout_atomic(sysc_read_sysconfig, ddata, in sysc_poll_reset_sysconfig()
292 rstval = sysc_read_sysconfig(ddata); in sysc_poll_reset_sysconfig()
304 static int sysc_wait_softreset(struct sysc *ddata) in sysc_wait_softreset() argument
308 if (ddata->cap->regbits->srst_shift < 0) in sysc_wait_softreset()
311 syss_offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_wait_softreset()
314 error = sysc_poll_reset_sysstatus(ddata); in sysc_wait_softreset()
315 else if (ddata->cfg.quirks & SYSC_QUIRK_RESET_STATUS) in sysc_wait_softreset()
316 error = sysc_poll_reset_sysconfig(ddata); in sysc_wait_softreset()
321 static int sysc_add_named_clock_from_child(struct sysc *ddata, in sysc_add_named_clock_from_child() argument
325 struct device_node *np = ddata->dev->of_node; in sysc_add_named_clock_from_child()
348 clock = devm_get_clk_from_child(ddata->dev, child, name); in sysc_add_named_clock_from_child()
362 cl->dev_id = dev_name(ddata->dev); in sysc_add_named_clock_from_child()
371 static int sysc_init_ext_opt_clock(struct sysc *ddata, const char *name) in sysc_init_ext_opt_clock() argument
376 if (ddata->nr_clocks < SYSC_OPTFCK0) in sysc_init_ext_opt_clock()
379 index = ddata->nr_clocks; in sysc_init_ext_opt_clock()
386 error = sysc_add_named_clock_from_child(ddata, name, optfck_name); in sysc_init_ext_opt_clock()
390 ddata->clock_roles[index] = optfck_name; in sysc_init_ext_opt_clock()
391 ddata->nr_clocks++; in sysc_init_ext_opt_clock()
396 static int sysc_get_one_clock(struct sysc *ddata, const char *name) in sysc_get_one_clock() argument
407 if (!ddata->clocks[i]) { in sysc_get_one_clock()
415 dev_err(ddata->dev, "clock %s not added\n", name); in sysc_get_one_clock()
419 ddata->clocks[index] = devm_clk_get(ddata->dev, name); in sysc_get_one_clock()
420 if (IS_ERR(ddata->clocks[index])) { in sysc_get_one_clock()
421 dev_err(ddata->dev, "clock get error for %s: %li\n", in sysc_get_one_clock()
422 name, PTR_ERR(ddata->clocks[index])); in sysc_get_one_clock()
424 return PTR_ERR(ddata->clocks[index]); in sysc_get_one_clock()
427 error = clk_prepare(ddata->clocks[index]); in sysc_get_one_clock()
429 dev_err(ddata->dev, "clock prepare error for %s: %i\n", in sysc_get_one_clock()
438 static int sysc_get_clocks(struct sysc *ddata) in sysc_get_clocks() argument
440 struct device_node *np = ddata->dev->of_node; in sysc_get_clocks()
445 ddata->clock_roles = devm_kcalloc(ddata->dev, in sysc_get_clocks()
447 sizeof(*ddata->clock_roles), in sysc_get_clocks()
449 if (!ddata->clock_roles) in sysc_get_clocks()
457 ddata->clock_roles[ddata->nr_clocks] = name; in sysc_get_clocks()
458 ddata->nr_clocks++; in sysc_get_clocks()
461 if (ddata->nr_clocks < 1) in sysc_get_clocks()
464 if ((ddata->cfg.quirks & SYSC_QUIRK_EXT_OPT_CLOCK)) { in sysc_get_clocks()
465 error = sysc_init_ext_opt_clock(ddata, NULL); in sysc_get_clocks()
470 if (ddata->nr_clocks > SYSC_MAX_CLOCKS) { in sysc_get_clocks()
471 dev_err(ddata->dev, "too many clocks for %pOF\n", np); in sysc_get_clocks()
477 dev_err(ddata->dev, "max one fck and ick for %pOF\n", np); in sysc_get_clocks()
484 ddata->nr_clocks++; in sysc_get_clocks()
486 ddata->nr_clocks++; in sysc_get_clocks()
488 ddata->clocks = devm_kcalloc(ddata->dev, in sysc_get_clocks()
489 ddata->nr_clocks, sizeof(*ddata->clocks), in sysc_get_clocks()
491 if (!ddata->clocks) in sysc_get_clocks()
495 const char *name = ddata->clock_roles[i]; in sysc_get_clocks()
500 error = sysc_get_one_clock(ddata, name); in sysc_get_clocks()
508 static int sysc_enable_main_clocks(struct sysc *ddata) in sysc_enable_main_clocks() argument
513 if (!ddata->clocks) in sysc_enable_main_clocks()
517 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
532 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
544 static void sysc_disable_main_clocks(struct sysc *ddata) in sysc_disable_main_clocks() argument
549 if (!ddata->clocks) in sysc_disable_main_clocks()
553 clock = ddata->clocks[i]; in sysc_disable_main_clocks()
561 static int sysc_enable_opt_clocks(struct sysc *ddata) in sysc_enable_opt_clocks() argument
566 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_enable_opt_clocks()
570 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
585 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
595 static void sysc_disable_opt_clocks(struct sysc *ddata) in sysc_disable_opt_clocks() argument
600 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_disable_opt_clocks()
604 clock = ddata->clocks[i]; in sysc_disable_opt_clocks()
614 static void sysc_clkdm_deny_idle(struct sysc *ddata) in sysc_clkdm_deny_idle() argument
618 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_deny_idle()
621 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_deny_idle()
623 pdata->clkdm_deny_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_deny_idle()
626 static void sysc_clkdm_allow_idle(struct sysc *ddata) in sysc_clkdm_allow_idle() argument
630 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_allow_idle()
633 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_allow_idle()
635 pdata->clkdm_allow_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_allow_idle()
644 static int sysc_init_resets(struct sysc *ddata) in sysc_init_resets() argument
646 ddata->rsts = in sysc_init_resets()
647 devm_reset_control_get_optional_shared(ddata->dev, "rstctrl"); in sysc_init_resets()
649 return PTR_ERR_OR_ZERO(ddata->rsts); in sysc_init_resets()
661 static int sysc_parse_and_check_child_range(struct sysc *ddata) in sysc_parse_and_check_child_range() argument
663 struct device_node *np = ddata->dev->of_node; in sysc_parse_and_check_child_range()
673 ddata->module_pa = range.cpu_addr; in sysc_parse_and_check_child_range()
674 ddata->module_size = range.size; in sysc_parse_and_check_child_range()
683 static void sysc_init_stdout_path(struct sysc *ddata) in sysc_init_stdout_path() argument
714 static void sysc_check_quirk_stdout(struct sysc *ddata, in sysc_check_quirk_stdout() argument
717 sysc_init_stdout_path(ddata); in sysc_check_quirk_stdout()
721 ddata->cfg.quirks |= SYSC_QUIRK_NO_IDLE_ON_INIT | in sysc_check_quirk_stdout()
734 static void sysc_check_one_child(struct sysc *ddata, in sysc_check_one_child() argument
741 dev_warn(ddata->dev, "really a child ti,hwmods property?"); in sysc_check_one_child()
743 sysc_check_quirk_stdout(ddata, np); in sysc_check_one_child()
744 sysc_parse_dts_quirks(ddata, np, true); in sysc_check_one_child()
747 static void sysc_check_children(struct sysc *ddata) in sysc_check_children() argument
751 for_each_child_of_node(ddata->dev->of_node, child) in sysc_check_children()
752 sysc_check_one_child(ddata, child); in sysc_check_children()
761 static void sysc_check_quirk_16bit(struct sysc *ddata, struct resource *res) in sysc_check_quirk_16bit() argument
764 ddata->cfg.quirks |= SYSC_QUIRK_16BIT | SYSC_QUIRK_USE_CLOCKACT; in sysc_check_quirk_16bit()
772 static int sysc_parse_one(struct sysc *ddata, enum sysc_registers reg) in sysc_parse_one() argument
787 res = platform_get_resource_byname(to_platform_device(ddata->dev), in sysc_parse_one()
790 ddata->offsets[reg] = -ENODEV; in sysc_parse_one()
795 ddata->offsets[reg] = res->start - ddata->module_pa; in sysc_parse_one()
797 sysc_check_quirk_16bit(ddata, res); in sysc_parse_one()
802 static int sysc_parse_registers(struct sysc *ddata) in sysc_parse_registers() argument
807 error = sysc_parse_one(ddata, i); in sysc_parse_registers()
819 static int sysc_check_registers(struct sysc *ddata) in sysc_check_registers() argument
824 if (ddata->offsets[i] < 0) in sysc_check_registers()
827 if (ddata->offsets[i] > (ddata->module_size - 4)) { in sysc_check_registers()
828 dev_err(ddata->dev, "register outside module range"); in sysc_check_registers()
834 if (ddata->offsets[j] < 0) in sysc_check_registers()
837 if (ddata->offsets[i] == ddata->offsets[j]) in sysc_check_registers()
844 dev_err(ddata->dev, "overlapping registers: (%i/%i)", in sysc_check_registers()
864 static int sysc_ioremap(struct sysc *ddata) in sysc_ioremap() argument
868 if (ddata->offsets[SYSC_REVISION] < 0 && in sysc_ioremap()
869 ddata->offsets[SYSC_SYSCONFIG] < 0 && in sysc_ioremap()
870 ddata->offsets[SYSC_SYSSTATUS] < 0) { in sysc_ioremap()
871 size = ddata->module_size; in sysc_ioremap()
873 size = max3(ddata->offsets[SYSC_REVISION], in sysc_ioremap()
874 ddata->offsets[SYSC_SYSCONFIG], in sysc_ioremap()
875 ddata->offsets[SYSC_SYSSTATUS]); in sysc_ioremap()
880 if ((size + sizeof(u32)) > ddata->module_size) in sysc_ioremap()
881 size = ddata->module_size; in sysc_ioremap()
884 ddata->module_va = devm_ioremap(ddata->dev, in sysc_ioremap()
885 ddata->module_pa, in sysc_ioremap()
887 if (!ddata->module_va) in sysc_ioremap()
897 static int sysc_map_and_check_registers(struct sysc *ddata) in sysc_map_and_check_registers() argument
899 struct device_node *np = ddata->dev->of_node; in sysc_map_and_check_registers()
902 error = sysc_parse_and_check_child_range(ddata); in sysc_map_and_check_registers()
906 sysc_check_children(ddata); in sysc_map_and_check_registers()
911 error = sysc_parse_registers(ddata); in sysc_map_and_check_registers()
915 error = sysc_ioremap(ddata); in sysc_map_and_check_registers()
919 error = sysc_check_registers(ddata); in sysc_map_and_check_registers()
931 static int sysc_show_rev(char *bufp, struct sysc *ddata) in sysc_show_rev() argument
935 if (ddata->offsets[SYSC_REVISION] < 0) in sysc_show_rev()
938 len = sprintf(bufp, ":%08x", ddata->revision); in sysc_show_rev()
943 static int sysc_show_reg(struct sysc *ddata, in sysc_show_reg() argument
946 if (ddata->offsets[reg] < 0) in sysc_show_reg()
949 return sprintf(bufp, ":%x", ddata->offsets[reg]); in sysc_show_reg()
952 static int sysc_show_name(char *bufp, struct sysc *ddata) in sysc_show_name() argument
954 if (!ddata->name) in sysc_show_name()
957 return sprintf(bufp, ":%s", ddata->name); in sysc_show_name()
964 static void sysc_show_registers(struct sysc *ddata) in sysc_show_registers() argument
971 bufp += sysc_show_reg(ddata, bufp, i); in sysc_show_registers()
973 bufp += sysc_show_rev(bufp, ddata); in sysc_show_registers()
974 bufp += sysc_show_name(bufp, ddata); in sysc_show_registers()
976 dev_dbg(ddata->dev, "%llx:%x%s\n", in sysc_show_registers()
977 ddata->module_pa, ddata->module_size, in sysc_show_registers()
986 static void sysc_write_sysconfig(struct sysc *ddata, u32 value) in sysc_write_sysconfig() argument
988 if (ddata->module_unlock_quirk) in sysc_write_sysconfig()
989 ddata->module_unlock_quirk(ddata); in sysc_write_sysconfig()
991 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], value); in sysc_write_sysconfig()
993 if (ddata->module_lock_quirk) in sysc_write_sysconfig()
994 ddata->module_lock_quirk(ddata); in sysc_write_sysconfig()
1003 struct sysc *ddata; in sysc_enable_module() local
1008 ddata = dev_get_drvdata(dev); in sysc_enable_module()
1014 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) { in sysc_enable_module()
1015 error = sysc_enable_opt_clocks(ddata); in sysc_enable_module()
1017 dev_err(ddata->dev, in sysc_enable_module()
1027 if (!(ddata->cfg.quirks & SYSC_MODULE_QUIRK_ENA_RESETDONE)) { in sysc_enable_module()
1028 error = sysc_wait_softreset(ddata); in sysc_enable_module()
1030 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_enable_module()
1032 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) in sysc_enable_module()
1033 sysc_disable_opt_clocks(ddata); in sysc_enable_module()
1040 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_enable_module()
1043 regbits = ddata->cap->regbits; in sysc_enable_module()
1044 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1052 (ddata->cfg.quirks & SYSC_QUIRK_USE_CLOCKACT)) in sysc_enable_module()
1056 idlemodes = ddata->cfg.sidlemodes; in sysc_enable_module()
1060 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_SIDLE | in sysc_enable_module()
1066 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1069 best_mode = fls(ddata->cfg.sidlemodes) - 1; in sysc_enable_module()
1077 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1083 sysc_write_sysconfig(ddata, reg); in sysc_enable_module()
1087 idlemodes = ddata->cfg.midlemodes; in sysc_enable_module()
1091 best_mode = fls(ddata->cfg.midlemodes) - 1; in sysc_enable_module()
1098 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_MSTANDBY) in sysc_enable_module()
1103 sysc_write_sysconfig(ddata, reg); in sysc_enable_module()
1108 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) { in sysc_enable_module()
1110 sysc_write_sysconfig(ddata, reg); in sysc_enable_module()
1117 ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1119 if (ddata->module_enable_quirk) in sysc_enable_module()
1120 ddata->module_enable_quirk(ddata); in sysc_enable_module()
1142 struct sysc *ddata; in sysc_disable_module() local
1147 ddata = dev_get_drvdata(dev); in sysc_disable_module()
1148 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_disable_module()
1151 if (ddata->module_disable_quirk) in sysc_disable_module()
1152 ddata->module_disable_quirk(ddata); in sysc_disable_module()
1154 regbits = ddata->cap->regbits; in sysc_disable_module()
1155 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1158 idlemodes = ddata->cfg.midlemodes; in sysc_disable_module()
1168 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_MSTANDBY) || in sysc_disable_module()
1169 ddata->cfg.quirks & (SYSC_QUIRK_FORCE_MSTANDBY)) in sysc_disable_module()
1174 sysc_write_sysconfig(ddata, reg); in sysc_disable_module()
1178 idlemodes = ddata->cfg.sidlemodes; in sysc_disable_module()
1184 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE) { in sysc_disable_module()
1195 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE_ACT) { in sysc_disable_module()
1198 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_disable_module()
1205 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) in sysc_disable_module()
1207 sysc_write_sysconfig(ddata, reg); in sysc_disable_module()
1213 ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1219 struct sysc *ddata) in sysc_runtime_suspend_legacy() argument
1224 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_suspend_legacy()
1231 error = pdata->idle_module(dev, &ddata->cookie); in sysc_runtime_suspend_legacy()
1236 reset_control_assert(ddata->rsts); in sysc_runtime_suspend_legacy()
1242 struct sysc *ddata) in sysc_runtime_resume_legacy() argument
1247 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_resume_legacy()
1254 error = pdata->enable_module(dev, &ddata->cookie); in sysc_runtime_resume_legacy()
1259 reset_control_deassert(ddata->rsts); in sysc_runtime_resume_legacy()
1266 struct sysc *ddata; in sysc_runtime_suspend() local
1269 ddata = dev_get_drvdata(dev); in sysc_runtime_suspend()
1271 if (!ddata->enabled) in sysc_runtime_suspend()
1274 sysc_clkdm_deny_idle(ddata); in sysc_runtime_suspend()
1276 if (ddata->legacy_mode) { in sysc_runtime_suspend()
1277 error = sysc_runtime_suspend_legacy(dev, ddata); in sysc_runtime_suspend()
1286 sysc_disable_main_clocks(ddata); in sysc_runtime_suspend()
1288 if (sysc_opt_clks_needed(ddata)) in sysc_runtime_suspend()
1289 sysc_disable_opt_clocks(ddata); in sysc_runtime_suspend()
1291 ddata->enabled = false; in sysc_runtime_suspend()
1294 sysc_clkdm_allow_idle(ddata); in sysc_runtime_suspend()
1296 reset_control_assert(ddata->rsts); in sysc_runtime_suspend()
1303 struct sysc *ddata; in sysc_runtime_resume() local
1306 ddata = dev_get_drvdata(dev); in sysc_runtime_resume()
1308 if (ddata->enabled) in sysc_runtime_resume()
1312 sysc_clkdm_deny_idle(ddata); in sysc_runtime_resume()
1314 if (sysc_opt_clks_needed(ddata)) { in sysc_runtime_resume()
1315 error = sysc_enable_opt_clocks(ddata); in sysc_runtime_resume()
1320 error = sysc_enable_main_clocks(ddata); in sysc_runtime_resume()
1324 reset_control_deassert(ddata->rsts); in sysc_runtime_resume()
1326 if (ddata->legacy_mode) { in sysc_runtime_resume()
1327 error = sysc_runtime_resume_legacy(dev, ddata); in sysc_runtime_resume()
1336 ddata->enabled = true; in sysc_runtime_resume()
1338 sysc_clkdm_allow_idle(ddata); in sysc_runtime_resume()
1343 sysc_disable_main_clocks(ddata); in sysc_runtime_resume()
1345 if (sysc_opt_clks_needed(ddata)) in sysc_runtime_resume()
1346 sysc_disable_opt_clocks(ddata); in sysc_runtime_resume()
1348 sysc_clkdm_allow_idle(ddata); in sysc_runtime_resume()
1361 static int sysc_check_context(struct sysc *ddata) in sysc_check_context() argument
1365 if (!ddata->enabled) in sysc_check_context()
1368 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_check_context()
1369 if (reg == ddata->sysconfig) in sysc_check_context()
1375 static int sysc_reinit_module(struct sysc *ddata, bool leave_enabled) in sysc_reinit_module() argument
1377 struct device *dev = ddata->dev; in sysc_reinit_module()
1380 if (ddata->enabled) { in sysc_reinit_module()
1382 error = sysc_check_context(ddata); in sysc_reinit_module()
1398 if (ddata->cfg.quirks & SYSC_QUIRK_RESET_ON_CTX_LOST) { in sysc_reinit_module()
1399 error = sysc_reset(ddata); in sysc_reinit_module()
1403 sysc_write_sysconfig(ddata, ddata->sysconfig); in sysc_reinit_module()
1419 struct sysc *ddata; in sysc_noirq_suspend() local
1421 ddata = dev_get_drvdata(dev); in sysc_noirq_suspend()
1423 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in sysc_noirq_suspend()
1426 if (!ddata->enabled) in sysc_noirq_suspend()
1429 ddata->needs_resume = 1; in sysc_noirq_suspend()
1436 struct sysc *ddata; in sysc_noirq_resume() local
1439 ddata = dev_get_drvdata(dev); in sysc_noirq_resume()
1441 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in sysc_noirq_resume()
1444 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_RESUME) { in sysc_noirq_resume()
1445 error = sysc_reinit_module(ddata, ddata->needs_resume); in sysc_noirq_resume()
1448 } else if (ddata->needs_resume) { in sysc_noirq_resume()
1454 ddata->needs_resume = 0; in sysc_noirq_resume()
1667 static void sysc_init_early_quirks(struct sysc *ddata) in sysc_init_early_quirks() argument
1678 if (q->base != ddata->module_pa) in sysc_init_early_quirks()
1681 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_early_quirks()
1684 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_early_quirks()
1687 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_early_quirks()
1690 ddata->name = q->name; in sysc_init_early_quirks()
1691 ddata->cfg.quirks |= q->quirks; in sysc_init_early_quirks()
1696 static void sysc_init_revision_quirks(struct sysc *ddata) in sysc_init_revision_quirks() argument
1704 if (q->base && q->base != ddata->module_pa) in sysc_init_revision_quirks()
1707 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_revision_quirks()
1710 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_revision_quirks()
1713 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_revision_quirks()
1716 if (q->revision == ddata->revision || in sysc_init_revision_quirks()
1718 (ddata->revision & q->revision_mask)) { in sysc_init_revision_quirks()
1719 ddata->name = q->name; in sysc_init_revision_quirks()
1720 ddata->cfg.quirks |= q->quirks; in sysc_init_revision_quirks()
1730 static u32 sysc_quirk_dispc(struct sysc *ddata, int dispc_offset, in sysc_quirk_dispc() argument
1761 devm_iounmap(ddata->dev, ddata->module_va); in sysc_quirk_dispc()
1762 ddata->module_va = devm_ioremap(ddata->dev, in sysc_quirk_dispc()
1763 ddata->module_pa, in sysc_quirk_dispc()
1764 ddata->module_size); in sysc_quirk_dispc()
1765 if (!ddata->module_va) in sysc_quirk_dispc()
1769 val = sysc_read(ddata, dispc_offset + 0x40); in sysc_quirk_dispc()
1781 sysc_write(ddata, dispc_offset + 0x40, in sysc_quirk_dispc()
1788 val = sysc_read(ddata, dispc_offset + 0x238); in sysc_quirk_dispc()
1793 sysc_write(ddata, dispc_offset + 0x238, in sysc_quirk_dispc()
1800 val = sysc_read(ddata, dispc_offset + 0x848); in sysc_quirk_dispc()
1805 sysc_write(ddata, dispc_offset + 0x848, in sysc_quirk_dispc()
1812 static void sysc_pre_reset_quirk_dss(struct sysc *ddata) in sysc_pre_reset_quirk_dss() argument
1819 irq_mask = sysc_quirk_dispc(ddata, dispc_offset, false); in sysc_pre_reset_quirk_dss()
1824 sysc_write(ddata, dispc_offset + 0x18, irq_mask); in sysc_pre_reset_quirk_dss()
1827 val = sysc_quirk_dispc(ddata, dispc_offset, true); in sysc_pre_reset_quirk_dss()
1830 error = readl_poll_timeout(ddata->module_va + dispc_offset + 0x18, in sysc_pre_reset_quirk_dss()
1833 dev_warn(ddata->dev, "%s: timed out %08x !+ %08x\n", in sysc_pre_reset_quirk_dss()
1838 sysc_write(ddata, 0x44, 0); in sysc_pre_reset_quirk_dss()
1841 sysc_write(ddata, 0x48, 0); in sysc_pre_reset_quirk_dss()
1845 sysc_write(ddata, 0x40, 0); in sysc_pre_reset_quirk_dss()
1849 static void sysc_pre_reset_quirk_hdq1w(struct sysc *ddata) in sysc_pre_reset_quirk_hdq1w() argument
1854 val = sysc_read(ddata, offset); in sysc_pre_reset_quirk_hdq1w()
1856 sysc_write(ddata, offset, val); in sysc_pre_reset_quirk_hdq1w()
1860 static void sysc_module_enable_quirk_aess(struct sysc *ddata) in sysc_module_enable_quirk_aess() argument
1864 sysc_write(ddata, offset, 1); in sysc_module_enable_quirk_aess()
1868 static void sysc_clk_quirk_i2c(struct sysc *ddata, bool enable) in sysc_clk_quirk_i2c() argument
1874 if ((ddata->revision & 0xffffff00) == 0x001f0000) in sysc_clk_quirk_i2c()
1880 val = sysc_read(ddata, offset); in sysc_clk_quirk_i2c()
1885 sysc_write(ddata, offset, val); in sysc_clk_quirk_i2c()
1888 static void sysc_pre_reset_quirk_i2c(struct sysc *ddata) in sysc_pre_reset_quirk_i2c() argument
1890 sysc_clk_quirk_i2c(ddata, false); in sysc_pre_reset_quirk_i2c()
1893 static void sysc_post_reset_quirk_i2c(struct sysc *ddata) in sysc_post_reset_quirk_i2c() argument
1895 sysc_clk_quirk_i2c(ddata, true); in sysc_post_reset_quirk_i2c()
1899 static void sysc_quirk_rtc(struct sysc *ddata, bool lock) in sysc_quirk_rtc() argument
1912 error = readl_poll_timeout_atomic(ddata->module_va + 0x44, val, in sysc_quirk_rtc()
1915 dev_warn(ddata->dev, "rtc busy timeout\n"); in sysc_quirk_rtc()
1917 sysc_write(ddata, 0x6c, kick0_val); in sysc_quirk_rtc()
1918 sysc_write(ddata, 0x70, kick1_val); in sysc_quirk_rtc()
1922 static void sysc_module_unlock_quirk_rtc(struct sysc *ddata) in sysc_module_unlock_quirk_rtc() argument
1924 sysc_quirk_rtc(ddata, false); in sysc_module_unlock_quirk_rtc()
1927 static void sysc_module_lock_quirk_rtc(struct sysc *ddata) in sysc_module_lock_quirk_rtc() argument
1929 sysc_quirk_rtc(ddata, true); in sysc_module_lock_quirk_rtc()
1933 static void sysc_module_enable_quirk_otg(struct sysc *ddata) in sysc_module_enable_quirk_otg() argument
1937 sysc_write(ddata, offset, 0); in sysc_module_enable_quirk_otg()
1940 static void sysc_module_disable_quirk_otg(struct sysc *ddata) in sysc_module_disable_quirk_otg() argument
1945 sysc_write(ddata, offset, val); in sysc_module_disable_quirk_otg()
1949 static void sysc_module_enable_quirk_sgx(struct sysc *ddata) in sysc_module_enable_quirk_sgx() argument
1954 sysc_write(ddata, offset, val); in sysc_module_enable_quirk_sgx()
1958 static void sysc_reset_done_quirk_wdt(struct sysc *ddata) in sysc_reset_done_quirk_wdt() argument
1966 sysc_write(ddata, spr, 0xaaaa); 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 step1 failed\n"); in sysc_reset_done_quirk_wdt()
1973 sysc_write(ddata, spr, 0x5555); in sysc_reset_done_quirk_wdt()
1974 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
1978 dev_warn(ddata->dev, "wdt disable step2 failed\n"); in sysc_reset_done_quirk_wdt()
1982 static void sysc_module_disable_quirk_pruss(struct sysc *ddata) in sysc_module_disable_quirk_pruss() argument
1986 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_module_disable_quirk_pruss()
1988 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg); in sysc_module_disable_quirk_pruss()
1991 static void sysc_module_enable_quirk_pruss(struct sysc *ddata) in sysc_module_enable_quirk_pruss() argument
1995 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_module_enable_quirk_pruss()
2003 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg); in sysc_module_enable_quirk_pruss()
2006 static void sysc_init_module_quirks(struct sysc *ddata) in sysc_init_module_quirks() argument
2008 if (ddata->legacy_mode || !ddata->name) in sysc_init_module_quirks()
2011 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_HDQ1W) { in sysc_init_module_quirks()
2012 ddata->pre_reset_quirk = sysc_pre_reset_quirk_hdq1w; in sysc_init_module_quirks()
2018 if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) { in sysc_init_module_quirks()
2019 ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT; in sysc_init_module_quirks()
2025 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) { in sysc_init_module_quirks()
2026 ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c; in sysc_init_module_quirks()
2027 ddata->post_reset_quirk = sysc_post_reset_quirk_i2c; in sysc_init_module_quirks()
2032 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_AESS) in sysc_init_module_quirks()
2033 ddata->module_enable_quirk = sysc_module_enable_quirk_aess; in sysc_init_module_quirks()
2035 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_DSS_RESET) in sysc_init_module_quirks()
2036 ddata->pre_reset_quirk = sysc_pre_reset_quirk_dss; in sysc_init_module_quirks()
2038 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_RTC_UNLOCK) { in sysc_init_module_quirks()
2039 ddata->module_unlock_quirk = sysc_module_unlock_quirk_rtc; in sysc_init_module_quirks()
2040 ddata->module_lock_quirk = sysc_module_lock_quirk_rtc; in sysc_init_module_quirks()
2045 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_OTG) { in sysc_init_module_quirks()
2046 ddata->module_enable_quirk = sysc_module_enable_quirk_otg; in sysc_init_module_quirks()
2047 ddata->module_disable_quirk = sysc_module_disable_quirk_otg; in sysc_init_module_quirks()
2050 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_SGX) in sysc_init_module_quirks()
2051 ddata->module_enable_quirk = sysc_module_enable_quirk_sgx; in sysc_init_module_quirks()
2053 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_WDT) { in sysc_init_module_quirks()
2054 ddata->reset_done_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2055 ddata->module_disable_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
2058 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_PRUSS) { in sysc_init_module_quirks()
2059 ddata->module_enable_quirk = sysc_module_enable_quirk_pruss; in sysc_init_module_quirks()
2060 ddata->module_disable_quirk = sysc_module_disable_quirk_pruss; in sysc_init_module_quirks()
2064 static int sysc_clockdomain_init(struct sysc *ddata) in sysc_clockdomain_init() argument
2066 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_clockdomain_init()
2073 switch (ddata->nr_clocks) { in sysc_clockdomain_init()
2075 ick = ddata->clocks[SYSC_ICK]; in sysc_clockdomain_init()
2078 fck = ddata->clocks[SYSC_FCK]; in sysc_clockdomain_init()
2084 error = pdata->init_clockdomain(ddata->dev, fck, ick, &ddata->cookie); in sysc_clockdomain_init()
2096 static int sysc_legacy_init(struct sysc *ddata) in sysc_legacy_init() argument
2098 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_legacy_init()
2104 error = pdata->init_module(ddata->dev, ddata->mdata, &ddata->cookie); in sysc_legacy_init()
2115 static int sysc_reset(struct sysc *ddata) in sysc_reset() argument
2120 sysc_offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_reset()
2122 if (ddata->legacy_mode || in sysc_reset()
2123 ddata->cap->regbits->srst_shift < 0) in sysc_reset()
2126 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_reset()
2128 if (ddata->pre_reset_quirk) in sysc_reset()
2129 ddata->pre_reset_quirk(ddata); in sysc_reset()
2132 sysc_val = sysc_read_sysconfig(ddata); in sysc_reset()
2134 sysc_write(ddata, sysc_offset, sysc_val); in sysc_reset()
2141 if (ddata->cfg.srst_udelay) in sysc_reset()
2142 fsleep(ddata->cfg.srst_udelay); in sysc_reset()
2149 sysc_val = sysc_read_sysconfig(ddata); in sysc_reset()
2152 if (ddata->post_reset_quirk) in sysc_reset()
2153 ddata->post_reset_quirk(ddata); in sysc_reset()
2155 error = sysc_wait_softreset(ddata); in sysc_reset()
2157 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_reset()
2159 if (ddata->reset_done_quirk) in sysc_reset()
2160 ddata->reset_done_quirk(ddata); in sysc_reset()
2171 static int sysc_init_module(struct sysc *ddata) in sysc_init_module() argument
2174 int error = sysc_clockdomain_init(ddata); in sysc_init_module()
2179 sysc_clkdm_deny_idle(ddata); in sysc_init_module()
2185 error = sysc_enable_opt_clocks(ddata); in sysc_init_module()
2189 error = sysc_enable_main_clocks(ddata); in sysc_init_module()
2193 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) { in sysc_init_module()
2194 error = reset_control_deassert(ddata->rsts); in sysc_init_module()
2200 ddata->revision = sysc_read_revision(ddata); in sysc_init_module()
2201 sysc_init_revision_quirks(ddata); in sysc_init_module()
2202 sysc_init_module_quirks(ddata); in sysc_init_module()
2204 if (ddata->legacy_mode) { in sysc_init_module()
2205 error = sysc_legacy_init(ddata); in sysc_init_module()
2210 if (!ddata->legacy_mode) { in sysc_init_module()
2211 error = sysc_enable_module(ddata->dev); in sysc_init_module()
2216 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) { in sysc_init_module()
2217 error = sysc_reset(ddata); in sysc_init_module()
2219 dev_err(ddata->dev, "Reset failed with %d\n", error); in sysc_init_module()
2221 if (error && !ddata->legacy_mode) in sysc_init_module()
2222 sysc_disable_module(ddata->dev); in sysc_init_module()
2227 sysc_disable_main_clocks(ddata); in sysc_init_module()
2231 sysc_disable_opt_clocks(ddata); in sysc_init_module()
2232 sysc_clkdm_allow_idle(ddata); in sysc_init_module()
2236 !(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_init_module()
2237 reset_control_assert(ddata->rsts); in sysc_init_module()
2242 static int sysc_init_sysc_mask(struct sysc *ddata) in sysc_init_sysc_mask() argument
2244 struct device_node *np = ddata->dev->of_node; in sysc_init_sysc_mask()
2252 ddata->cfg.sysc_val = val & ddata->cap->sysc_mask; in sysc_init_sysc_mask()
2257 static int sysc_init_idlemode(struct sysc *ddata, u8 *idlemodes, in sysc_init_idlemode() argument
2260 struct device_node *np = ddata->dev->of_node; in sysc_init_idlemode()
2265 dev_err(ddata->dev, "invalid idlemode: %i\n", val); in sysc_init_idlemode()
2274 static int sysc_init_idlemodes(struct sysc *ddata) in sysc_init_idlemodes() argument
2278 error = sysc_init_idlemode(ddata, &ddata->cfg.midlemodes, in sysc_init_idlemodes()
2283 error = sysc_init_idlemode(ddata, &ddata->cfg.sidlemodes, in sysc_init_idlemodes()
2298 static int sysc_init_syss_mask(struct sysc *ddata) in sysc_init_syss_mask() argument
2300 struct device_node *np = ddata->dev->of_node; in sysc_init_syss_mask()
2306 if ((ddata->cap->type == TI_SYSC_OMAP4 || in sysc_init_syss_mask()
2307 ddata->cap->type == TI_SYSC_OMAP4_TIMER) && in sysc_init_syss_mask()
2308 (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2309 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2314 if (!(val & 1) && (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2315 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2317 ddata->cfg.syss_mask = val; in sysc_init_syss_mask()
2326 static int sysc_child_add_named_clock(struct sysc *ddata, in sysc_child_add_named_clock() argument
2343 clk = clk_get(ddata->dev, name); in sysc_child_add_named_clock()
2356 static int sysc_child_add_clocks(struct sysc *ddata, in sysc_child_add_clocks() argument
2361 for (i = 0; i < ddata->nr_clocks; i++) { in sysc_child_add_clocks()
2362 error = sysc_child_add_named_clock(ddata, in sysc_child_add_clocks()
2364 ddata->clock_roles[i]); in sysc_child_add_clocks()
2366 dev_err(ddata->dev, "could not add child clock %s: %i\n", in sysc_child_add_clocks()
2367 ddata->clock_roles[i], error); in sysc_child_add_clocks()
2391 struct sysc *ddata; in sysc_child_runtime_suspend() local
2394 ddata = sysc_child_to_parent(dev); in sysc_child_runtime_suspend()
2400 if (!ddata->enabled) in sysc_child_runtime_suspend()
2403 return sysc_runtime_suspend(ddata->dev); in sysc_child_runtime_suspend()
2408 struct sysc *ddata; in sysc_child_runtime_resume() local
2411 ddata = sysc_child_to_parent(dev); in sysc_child_runtime_resume()
2413 if (!ddata->enabled) { in sysc_child_runtime_resume()
2414 error = sysc_runtime_resume(ddata->dev); in sysc_child_runtime_resume()
2416 dev_err(ddata->dev, in sysc_child_runtime_resume()
2427 struct sysc *ddata; in sysc_reinit_modules() local
2430 ddata = module->ddata; in sysc_reinit_modules()
2431 sysc_reinit_module(ddata, ddata->enabled); in sysc_reinit_modules()
2469 static void sysc_add_restored(struct sysc *ddata) in sysc_add_restored() argument
2477 restored_module->ddata = ddata; in sysc_add_restored()
2497 struct sysc *ddata; in sysc_notifier_call() local
2500 ddata = sysc_child_to_parent(dev); in sysc_notifier_call()
2501 if (!ddata) in sysc_notifier_call()
2506 error = sysc_child_add_clocks(ddata, dev); in sysc_notifier_call()
2536 static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np, in sysc_parse_dts_quirks() argument
2547 ddata->cfg.quirks |= sysc_dts_quirks[i].mask; in sysc_parse_dts_quirks()
2549 dev_warn(ddata->dev, in sysc_parse_dts_quirks()
2556 static int sysc_init_dts_quirks(struct sysc *ddata) in sysc_init_dts_quirks() argument
2558 struct device_node *np = ddata->dev->of_node; in sysc_init_dts_quirks()
2562 ddata->legacy_mode = of_get_property(np, "ti,hwmods", NULL); in sysc_init_dts_quirks()
2564 sysc_parse_dts_quirks(ddata, np, false); in sysc_init_dts_quirks()
2568 dev_warn(ddata->dev, "bad ti,sysc-delay-us: %i\n", in sysc_init_dts_quirks()
2572 ddata->cfg.srst_udelay = (u8)val; in sysc_init_dts_quirks()
2578 static void sysc_unprepare(struct sysc *ddata) in sysc_unprepare() argument
2582 if (!ddata->clocks) in sysc_unprepare()
2586 if (!IS_ERR_OR_NULL(ddata->clocks[i])) in sysc_unprepare()
2587 clk_unprepare(ddata->clocks[i]); in sysc_unprepare()
2836 static int sysc_init_pdata(struct sysc *ddata) in sysc_init_pdata() argument
2838 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_init_pdata()
2844 mdata = devm_kzalloc(ddata->dev, sizeof(*mdata), GFP_KERNEL); in sysc_init_pdata()
2848 if (ddata->legacy_mode) { in sysc_init_pdata()
2849 mdata->name = ddata->legacy_mode; in sysc_init_pdata()
2850 mdata->module_pa = ddata->module_pa; in sysc_init_pdata()
2851 mdata->module_size = ddata->module_size; in sysc_init_pdata()
2852 mdata->offsets = ddata->offsets; in sysc_init_pdata()
2854 mdata->cap = ddata->cap; in sysc_init_pdata()
2855 mdata->cfg = &ddata->cfg; in sysc_init_pdata()
2858 ddata->mdata = mdata; in sysc_init_pdata()
2863 static int sysc_init_match(struct sysc *ddata) in sysc_init_match() argument
2867 cap = of_device_get_match_data(ddata->dev); in sysc_init_match()
2871 ddata->cap = cap; in sysc_init_match()
2872 if (ddata->cap) in sysc_init_match()
2873 ddata->cfg.quirks |= ddata->cap->mod_quirks; in sysc_init_match()
2880 struct sysc *ddata; in ti_sysc_idle() local
2882 ddata = container_of(work, struct sysc, idle_work.work); in ti_sysc_idle()
2890 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in ti_sysc_idle()
2892 sysc_disable_main_clocks(ddata); in ti_sysc_idle()
2893 sysc_disable_opt_clocks(ddata); in ti_sysc_idle()
2894 sysc_clkdm_allow_idle(ddata); in ti_sysc_idle()
2898 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in ti_sysc_idle()
2905 if (pm_runtime_active(ddata->dev)) in ti_sysc_idle()
2906 pm_runtime_put_sync(ddata->dev); in ti_sysc_idle()
2977 static int sysc_init_static_data(struct sysc *ddata) in sysc_init_static_data() argument
2996 pdata = dev_get_platdata(ddata->dev); in sysc_init_static_data()
3084 static int sysc_check_disabled_devices(struct sysc *ddata) in sysc_check_disabled_devices() argument
3091 if (ddata->module_pa == disabled_module->base) { in sysc_check_disabled_devices()
3092 dev_dbg(ddata->dev, "module disabled for this SoC\n"); in sysc_check_disabled_devices()
3107 static int sysc_check_active_timer(struct sysc *ddata) in sysc_check_active_timer() argument
3111 if (ddata->cap->type != TI_SYSC_OMAP2_TIMER && in sysc_check_active_timer()
3112 ddata->cap->type != TI_SYSC_OMAP4_TIMER) in sysc_check_active_timer()
3132 if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) && in sysc_check_active_timer()
3133 (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE)) in sysc_check_active_timer()
3147 struct sysc *ddata; in sysc_probe() local
3150 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); in sysc_probe()
3151 if (!ddata) in sysc_probe()
3154 ddata->offsets[SYSC_REVISION] = -ENODEV; in sysc_probe()
3155 ddata->offsets[SYSC_SYSCONFIG] = -ENODEV; in sysc_probe()
3156 ddata->offsets[SYSC_SYSSTATUS] = -ENODEV; in sysc_probe()
3157 ddata->dev = &pdev->dev; in sysc_probe()
3158 platform_set_drvdata(pdev, ddata); in sysc_probe()
3160 error = sysc_init_static_data(ddata); in sysc_probe()
3164 error = sysc_init_match(ddata); in sysc_probe()
3168 error = sysc_init_dts_quirks(ddata); in sysc_probe()
3172 error = sysc_map_and_check_registers(ddata); in sysc_probe()
3176 error = sysc_init_sysc_mask(ddata); in sysc_probe()
3180 error = sysc_init_idlemodes(ddata); in sysc_probe()
3184 error = sysc_init_syss_mask(ddata); in sysc_probe()
3188 error = sysc_init_pdata(ddata); in sysc_probe()
3192 sysc_init_early_quirks(ddata); in sysc_probe()
3194 error = sysc_check_disabled_devices(ddata); in sysc_probe()
3198 error = sysc_check_active_timer(ddata); in sysc_probe()
3200 ddata->reserved = true; in sysc_probe()
3204 error = sysc_get_clocks(ddata); in sysc_probe()
3208 error = sysc_init_resets(ddata); in sysc_probe()
3212 error = sysc_init_module(ddata); in sysc_probe()
3216 pm_runtime_enable(ddata->dev); in sysc_probe()
3217 error = pm_runtime_resume_and_get(ddata->dev); in sysc_probe()
3219 pm_runtime_disable(ddata->dev); in sysc_probe()
3224 if (!(ddata->cfg.quirks & in sysc_probe()
3226 sysc_disable_main_clocks(ddata); in sysc_probe()
3227 sysc_disable_opt_clocks(ddata); in sysc_probe()
3228 sysc_clkdm_allow_idle(ddata); in sysc_probe()
3231 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_probe()
3232 reset_control_assert(ddata->rsts); in sysc_probe()
3234 sysc_show_registers(ddata); in sysc_probe()
3236 ddata->dev->type = &sysc_device_type; in sysc_probe()
3238 if (!ddata->reserved) { in sysc_probe()
3239 error = of_platform_populate(ddata->dev->of_node, in sysc_probe()
3242 ddata->dev); in sysc_probe()
3247 INIT_DELAYED_WORK(&ddata->idle_work, ti_sysc_idle); in sysc_probe()
3250 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in sysc_probe()
3253 schedule_delayed_work(&ddata->idle_work, 3000); in sysc_probe()
3258 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_CTX_LOST) in sysc_probe()
3259 sysc_add_restored(ddata); in sysc_probe()
3267 sysc_unprepare(ddata); in sysc_probe()
3274 struct sysc *ddata = platform_get_drvdata(pdev); in sysc_remove() local
3278 if (cancel_delayed_work_sync(&ddata->idle_work)) in sysc_remove()
3279 ti_sysc_idle(&ddata->idle_work.work); in sysc_remove()
3281 error = pm_runtime_resume_and_get(ddata->dev); in sysc_remove()
3283 pm_runtime_disable(ddata->dev); in sysc_remove()
3292 if (!reset_control_status(ddata->rsts)) in sysc_remove()
3293 reset_control_assert(ddata->rsts); in sysc_remove()
3296 sysc_unprepare(ddata); in sysc_remove()