Lines Matching +full:omap4 +full:- +full:mcspi
1 // SPDX-License-Identifier: GPL-2.0
3 * ti-sysc.c - Texas Instruments sysc interconnect target driver
22 #include <linux/platform_data/ti-sysc.h>
24 #include <dt-bindings/bus/ti-sysc.h>
86 * struct sysc - TI sysc interconnect target module registers and capabilities
92 * @mdata: ti-sysc to hwmod translation data for a module
109 * @pre_reset_quirk: module specific pre-reset quirk
110 * @post_reset_quirk: module specific post-reset quirk
153 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_write()
154 writew_relaxed(value & 0xffff, ddata->module_va + offset); in sysc_write()
157 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_write()
158 offset == ddata->offsets[SYSC_REVISION]) { in sysc_write()
161 writew_relaxed(hi, ddata->module_va + offset + 4); in sysc_write()
167 writel_relaxed(value, ddata->module_va + offset); in sysc_write()
172 if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { in sysc_read()
175 val = readw_relaxed(ddata->module_va + offset); in sysc_read()
178 if (ddata->offsets[SYSC_REVISION] >= 0 && in sysc_read()
179 offset == ddata->offsets[SYSC_REVISION]) { in sysc_read()
180 u16 tmp = readw_relaxed(ddata->module_va + offset + 4); in sysc_read()
188 return readl_relaxed(ddata->module_va + offset); in sysc_read()
193 return !!(ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_NEEDED); in sysc_opt_clks_needed()
198 int offset = ddata->offsets[SYSC_REVISION]; in sysc_read_revision()
208 int offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_read_sysconfig()
218 int offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_read_sysstatus()
232 if (ddata->cap->regbits->srst_shift < 0) in sysc_wait_softreset()
235 syss_offset = ddata->offsets[SYSC_SYSSTATUS]; in sysc_wait_softreset()
236 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_wait_softreset()
238 if (ddata->cfg.quirks & SYSS_QUIRK_RESETDONE_INVERTED) in sysc_wait_softreset()
241 syss_done = ddata->cfg.syss_mask; in sysc_wait_softreset()
245 rstval, (rstval & ddata->cfg.syss_mask) == in sysc_wait_softreset()
248 } else if (ddata->cfg.quirks & SYSC_QUIRK_RESET_STATUS) { in sysc_wait_softreset()
261 struct device_node *np = ddata->dev->of_node; in sysc_add_named_clock_from_child()
282 return -ENODEV; in sysc_add_named_clock_from_child()
284 clock = devm_get_clk_from_child(ddata->dev, child, name); in sysc_add_named_clock_from_child()
295 return -ENOMEM; in sysc_add_named_clock_from_child()
297 cl->con_id = n; in sysc_add_named_clock_from_child()
298 cl->dev_id = dev_name(ddata->dev); in sysc_add_named_clock_from_child()
299 cl->clk = clock; in sysc_add_named_clock_from_child()
312 if (ddata->nr_clocks < SYSC_OPTFCK0) in sysc_init_ext_opt_clock()
315 index = ddata->nr_clocks; in sysc_init_ext_opt_clock()
326 ddata->clock_roles[index] = optfck_name; in sysc_init_ext_opt_clock()
327 ddata->nr_clocks++; in sysc_init_ext_opt_clock()
334 int error, i, index = -ENODEV; in sysc_get_one_clock()
343 if (!ddata->clocks[i]) { in sysc_get_one_clock()
351 dev_err(ddata->dev, "clock %s not added\n", name); in sysc_get_one_clock()
355 ddata->clocks[index] = devm_clk_get(ddata->dev, name); in sysc_get_one_clock()
356 if (IS_ERR(ddata->clocks[index])) { in sysc_get_one_clock()
357 dev_err(ddata->dev, "clock get error for %s: %li\n", in sysc_get_one_clock()
358 name, PTR_ERR(ddata->clocks[index])); in sysc_get_one_clock()
360 return PTR_ERR(ddata->clocks[index]); in sysc_get_one_clock()
363 error = clk_prepare(ddata->clocks[index]); in sysc_get_one_clock()
365 dev_err(ddata->dev, "clock prepare error for %s: %i\n", in sysc_get_one_clock()
376 struct device_node *np = ddata->dev->of_node; in sysc_get_clocks()
381 ddata->clock_roles = devm_kcalloc(ddata->dev, in sysc_get_clocks()
383 sizeof(*ddata->clock_roles), in sysc_get_clocks()
385 if (!ddata->clock_roles) in sysc_get_clocks()
386 return -ENOMEM; in sysc_get_clocks()
388 of_property_for_each_string(np, "clock-names", prop, name) { in sysc_get_clocks()
393 ddata->clock_roles[ddata->nr_clocks] = name; in sysc_get_clocks()
394 ddata->nr_clocks++; in sysc_get_clocks()
397 if (ddata->nr_clocks < 1) in sysc_get_clocks()
400 if ((ddata->cfg.quirks & SYSC_QUIRK_EXT_OPT_CLOCK)) { in sysc_get_clocks()
406 if (ddata->nr_clocks > SYSC_MAX_CLOCKS) { in sysc_get_clocks()
407 dev_err(ddata->dev, "too many clocks for %pOF\n", np); in sysc_get_clocks()
409 return -EINVAL; in sysc_get_clocks()
413 dev_err(ddata->dev, "max one fck and ick for %pOF\n", np); in sysc_get_clocks()
415 return -EINVAL; in sysc_get_clocks()
420 ddata->nr_clocks++; in sysc_get_clocks()
422 ddata->nr_clocks++; in sysc_get_clocks()
424 ddata->clocks = devm_kcalloc(ddata->dev, in sysc_get_clocks()
425 ddata->nr_clocks, sizeof(*ddata->clocks), in sysc_get_clocks()
427 if (!ddata->clocks) in sysc_get_clocks()
428 return -ENOMEM; in sysc_get_clocks()
431 const char *name = ddata->clock_roles[i]; in sysc_get_clocks()
449 if (!ddata->clocks) in sysc_enable_main_clocks()
453 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
467 for (i--; i >= 0; i--) { in sysc_enable_main_clocks()
468 clock = ddata->clocks[i]; in sysc_enable_main_clocks()
485 if (!ddata->clocks) in sysc_disable_main_clocks()
489 clock = ddata->clocks[i]; in sysc_disable_main_clocks()
502 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_enable_opt_clocks()
506 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
520 for (i--; i >= 0; i--) { in sysc_enable_opt_clocks()
521 clock = ddata->clocks[i]; in sysc_enable_opt_clocks()
536 if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1) in sysc_disable_opt_clocks()
540 clock = ddata->clocks[i]; in sysc_disable_opt_clocks()
554 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_deny_idle()
557 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_deny_idle()
558 if (pdata && pdata->clkdm_deny_idle) in sysc_clkdm_deny_idle()
559 pdata->clkdm_deny_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_deny_idle()
566 if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO)) in sysc_clkdm_allow_idle()
569 pdata = dev_get_platdata(ddata->dev); in sysc_clkdm_allow_idle()
570 if (pdata && pdata->clkdm_allow_idle) in sysc_clkdm_allow_idle()
571 pdata->clkdm_allow_idle(ddata->dev, &ddata->cookie); in sysc_clkdm_allow_idle()
575 * sysc_init_resets - init rstctrl reset line if configured
582 ddata->rsts = in sysc_init_resets()
583 devm_reset_control_get_optional_shared(ddata->dev, "rstctrl"); in sysc_init_resets()
585 return PTR_ERR_OR_ZERO(ddata->rsts); in sysc_init_resets()
589 * sysc_parse_and_check_child_range - parses module IO region from ranges
599 struct device_node *np = ddata->dev->of_node; in sysc_parse_and_check_child_range()
606 dev_err(ddata->dev, "missing ranges for %pOF\n", np); in sysc_parse_and_check_child_range()
608 return -ENOENT; in sysc_parse_and_check_child_range()
614 dev_err(ddata->dev, "incomplete ranges for %pOF\n", np); in sysc_parse_and_check_child_range()
616 return -EINVAL; in sysc_parse_and_check_child_range()
619 error = of_property_read_u32(np, "#address-cells", &nr_addr); in sysc_parse_and_check_child_range()
621 return -ENOENT; in sysc_parse_and_check_child_range()
623 error = of_property_read_u32(np, "#size-cells", &nr_size); in sysc_parse_and_check_child_range()
625 return -ENOENT; in sysc_parse_and_check_child_range()
628 dev_err(ddata->dev, "invalid ranges for %pOF\n", np); in sysc_parse_and_check_child_range()
630 return -EINVAL; in sysc_parse_and_check_child_range()
634 ddata->module_pa = of_translate_address(np, ranges++); in sysc_parse_and_check_child_range()
635 ddata->module_size = be32_to_cpup(ranges); in sysc_parse_and_check_child_range()
644 /* omap4/5 and dra7 l4_cfg */
646 /* omap4 l4_wkup */
655 * sysc_defer_non_critical - defer non_critical interconnect probing
672 if (ddata->module_pa >= res->start && in sysc_defer_non_critical()
673 ddata->module_pa <= res->end) { in sysc_defer_non_critical()
682 return -EPROBE_DEFER; in sysc_defer_non_critical()
702 uart = of_get_property(np, "stdout-path", NULL); in sysc_init_stdout_path()
715 stdout_path = ERR_PTR(-ENODEV); in sysc_init_stdout_path()
725 ddata->cfg.quirks |= SYSC_QUIRK_NO_IDLE_ON_INIT | in sysc_check_quirk_stdout()
730 * sysc_check_one_child - check child configuration
745 dev_warn(ddata->dev, "really a child ti,hwmods property?"); in sysc_check_one_child()
755 for_each_child_of_node(ddata->dev->of_node, child) in sysc_check_children()
760 * So far only I2C uses 16-bit read access with clockactivity with revision
768 ddata->cfg.quirks |= SYSC_QUIRK_16BIT | SYSC_QUIRK_USE_CLOCKACT; in sysc_check_quirk_16bit()
772 * sysc_parse_one - parses the interconnect target module registers
788 return -EINVAL; in sysc_parse_one()
791 res = platform_get_resource_byname(to_platform_device(ddata->dev), in sysc_parse_one()
794 ddata->offsets[reg] = -ENODEV; in sysc_parse_one()
799 ddata->offsets[reg] = res->start - ddata->module_pa; in sysc_parse_one()
820 * sysc_check_registers - check for misconfigured register overlaps
828 if (ddata->offsets[i] < 0) in sysc_check_registers()
831 if (ddata->offsets[i] > (ddata->module_size - 4)) { in sysc_check_registers()
832 dev_err(ddata->dev, "register outside module range"); in sysc_check_registers()
834 return -EINVAL; in sysc_check_registers()
838 if (ddata->offsets[j] < 0) in sysc_check_registers()
841 if (ddata->offsets[i] == ddata->offsets[j]) in sysc_check_registers()
848 dev_err(ddata->dev, "overlapping registers: (%i/%i)", in sysc_check_registers()
851 return -EINVAL; in sysc_check_registers()
858 * sysc_ioremap - ioremap register space for the interconnect target module
872 if (ddata->offsets[SYSC_REVISION] < 0 && in sysc_ioremap()
873 ddata->offsets[SYSC_SYSCONFIG] < 0 && in sysc_ioremap()
874 ddata->offsets[SYSC_SYSSTATUS] < 0) { in sysc_ioremap()
875 size = ddata->module_size; in sysc_ioremap()
877 size = max3(ddata->offsets[SYSC_REVISION], in sysc_ioremap()
878 ddata->offsets[SYSC_SYSCONFIG], in sysc_ioremap()
879 ddata->offsets[SYSC_SYSSTATUS]); in sysc_ioremap()
884 if ((size + sizeof(u32)) > ddata->module_size) in sysc_ioremap()
885 size = ddata->module_size; in sysc_ioremap()
888 ddata->module_va = devm_ioremap(ddata->dev, in sysc_ioremap()
889 ddata->module_pa, in sysc_ioremap()
891 if (!ddata->module_va) in sysc_ioremap()
892 return -EIO; in sysc_ioremap()
898 * sysc_map_and_check_registers - ioremap and check device registers
903 struct device_node *np = ddata->dev->of_node; in sysc_map_and_check_registers()
935 * sysc_show_rev - read and show interconnect target module revision
943 if (ddata->offsets[SYSC_REVISION] < 0) in sysc_show_rev()
946 len = sprintf(bufp, ":%08x", ddata->revision); in sysc_show_rev()
954 if (ddata->offsets[reg] < 0) in sysc_show_reg()
957 return sprintf(bufp, ":%x", ddata->offsets[reg]); in sysc_show_reg()
962 if (!ddata->name) in sysc_show_name()
965 return sprintf(bufp, ":%s", ddata->name); in sysc_show_name()
969 * sysc_show_registers - show information about interconnect target module
984 dev_dbg(ddata->dev, "%llx:%x%s\n", in sysc_show_registers()
985 ddata->module_pa, ddata->module_size, in sysc_show_registers()
990 * sysc_write_sysconfig - handle sysconfig quirks for register write
996 if (ddata->module_unlock_quirk) in sysc_write_sysconfig()
997 ddata->module_unlock_quirk(ddata); in sysc_write_sysconfig()
999 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], value); in sysc_write_sysconfig()
1001 if (ddata->module_lock_quirk) in sysc_write_sysconfig()
1002 ddata->module_lock_quirk(ddata); in sysc_write_sysconfig()
1005 #define SYSC_IDLE_MASK (SYSC_NR_IDLEMODES - 1)
1022 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) { in sysc_enable_module()
1025 dev_err(ddata->dev, in sysc_enable_module()
1035 if (!(ddata->cfg.quirks & SYSC_MODULE_QUIRK_ENA_RESETDONE)) { in sysc_enable_module()
1038 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_enable_module()
1040 if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) in sysc_enable_module()
1048 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_enable_module()
1051 regbits = ddata->cap->regbits; in sysc_enable_module()
1052 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1059 if (regbits->clkact_shift >= 0 && in sysc_enable_module()
1060 (ddata->cfg.quirks & SYSC_QUIRK_USE_CLOCKACT)) in sysc_enable_module()
1061 reg |= SYSC_CLOCACT_ICK << regbits->clkact_shift; in sysc_enable_module()
1064 idlemodes = ddata->cfg.sidlemodes; in sysc_enable_module()
1065 if (!idlemodes || regbits->sidle_shift < 0) in sysc_enable_module()
1068 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_SIDLE | in sysc_enable_module()
1072 best_mode = fls(ddata->cfg.sidlemodes) - 1; in sysc_enable_module()
1075 return -EINVAL; in sysc_enable_module()
1079 if (regbits->enwkup_shift >= 0 && in sysc_enable_module()
1080 ddata->cfg.sysc_val & BIT(regbits->enwkup_shift)) in sysc_enable_module()
1081 reg |= BIT(regbits->enwkup_shift); in sysc_enable_module()
1084 reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift); in sysc_enable_module()
1085 reg |= best_mode << regbits->sidle_shift; in sysc_enable_module()
1090 idlemodes = ddata->cfg.midlemodes; in sysc_enable_module()
1091 if (!idlemodes || regbits->midle_shift < 0) in sysc_enable_module()
1094 best_mode = fls(ddata->cfg.midlemodes) - 1; in sysc_enable_module()
1097 return -EINVAL; in sysc_enable_module()
1100 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_MSTANDBY) in sysc_enable_module()
1103 reg &= ~(SYSC_IDLE_MASK << regbits->midle_shift); in sysc_enable_module()
1104 reg |= best_mode << regbits->midle_shift; in sysc_enable_module()
1109 if (regbits->autoidle_shift >= 0 && in sysc_enable_module()
1110 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) { in sysc_enable_module()
1111 reg |= 1 << regbits->autoidle_shift; in sysc_enable_module()
1116 sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_enable_module()
1118 if (ddata->module_enable_quirk) in sysc_enable_module()
1119 ddata->module_enable_quirk(ddata); in sysc_enable_module()
1133 return -EINVAL; in sysc_best_idle_mode()
1147 if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV) in sysc_disable_module()
1150 if (ddata->module_disable_quirk) in sysc_disable_module()
1151 ddata->module_disable_quirk(ddata); in sysc_disable_module()
1153 regbits = ddata->cap->regbits; in sysc_disable_module()
1154 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1157 idlemodes = ddata->cfg.midlemodes; in sysc_disable_module()
1158 if (!idlemodes || regbits->midle_shift < 0) in sysc_disable_module()
1167 if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_MSTANDBY) || in sysc_disable_module()
1168 ddata->cfg.quirks & (SYSC_QUIRK_FORCE_MSTANDBY)) in sysc_disable_module()
1171 reg &= ~(SYSC_IDLE_MASK << regbits->midle_shift); in sysc_disable_module()
1172 reg |= best_mode << regbits->midle_shift; in sysc_disable_module()
1177 idlemodes = ddata->cfg.sidlemodes; in sysc_disable_module()
1178 if (!idlemodes || regbits->sidle_shift < 0) in sysc_disable_module()
1181 if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE) { in sysc_disable_module()
1191 reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift); in sysc_disable_module()
1192 reg |= best_mode << regbits->sidle_shift; in sysc_disable_module()
1193 if (regbits->autoidle_shift >= 0 && in sysc_disable_module()
1194 ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) in sysc_disable_module()
1195 reg |= 1 << regbits->autoidle_shift; in sysc_disable_module()
1199 sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_disable_module()
1210 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_suspend_legacy()
1214 if (!pdata->idle_module) in sysc_runtime_suspend_legacy()
1215 return -ENODEV; in sysc_runtime_suspend_legacy()
1217 error = pdata->idle_module(dev, &ddata->cookie); in sysc_runtime_suspend_legacy()
1222 reset_control_assert(ddata->rsts); in sysc_runtime_suspend_legacy()
1233 pdata = dev_get_platdata(ddata->dev); in sysc_runtime_resume_legacy()
1237 if (!pdata->enable_module) in sysc_runtime_resume_legacy()
1238 return -ENODEV; in sysc_runtime_resume_legacy()
1240 error = pdata->enable_module(dev, &ddata->cookie); in sysc_runtime_resume_legacy()
1245 reset_control_deassert(ddata->rsts); in sysc_runtime_resume_legacy()
1257 if (!ddata->enabled) in sysc_runtime_suspend()
1262 if (ddata->legacy_mode) { in sysc_runtime_suspend()
1277 ddata->enabled = false; in sysc_runtime_suspend()
1282 reset_control_assert(ddata->rsts); in sysc_runtime_suspend()
1294 if (ddata->enabled) in sysc_runtime_resume()
1310 reset_control_deassert(ddata->rsts); in sysc_runtime_resume()
1312 if (ddata->legacy_mode) { in sysc_runtime_resume()
1322 ddata->enabled = true; in sysc_runtime_resume()
1341 struct device *dev = ddata->dev; in sysc_reinit_module()
1345 if (ddata->enabled) { in sysc_reinit_module()
1373 if (ddata->cfg.quirks & in sysc_noirq_suspend()
1377 if (!ddata->enabled) in sysc_noirq_suspend()
1380 ddata->needs_resume = 1; in sysc_noirq_suspend()
1392 if (ddata->cfg.quirks & in sysc_noirq_resume()
1396 if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_RESUME) { in sysc_noirq_resume()
1397 error = sysc_reinit_module(ddata, ddata->needs_resume); in sysc_noirq_resume()
1400 } else if (ddata->needs_resume) { in sysc_noirq_resume()
1406 ddata->needs_resume = 0; in sysc_noirq_resume()
1453 /* Uarts on omap4 and later */
1460 SYSC_QUIRK("mcpdm", 0x40132000, 0, 0x10, -ENODEV, 0x50000800, 0xffffffff,
1465 SYSC_QUIRK("aess", 0, 0, 0x10, -ENODEV, 0x40000000, 0xffffffff,
1468 SYSC_QUIRK("dcan", 0x4ae3c000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff,
1470 SYSC_QUIRK("dcan", 0x48480000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff,
1474 SYSC_QUIRK("dss", 0x58000000, 0, -ENODEV, 0x14, 0x00000040, 0xffffffff,
1476 SYSC_QUIRK("dss", 0x58000000, 0, -ENODEV, 0x14, 0x00000061, 0xffffffff,
1478 SYSC_QUIRK("dwc3", 0x48880000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
1480 SYSC_QUIRK("dwc3", 0x488c0000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
1484 SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50030200, 0xffffffff,
1498 SYSC_QUIRK("gpu", 0x50000000, 0x14, -ENODEV, -ENODEV, 0x00010201, 0xffffffff, 0),
1499 SYSC_QUIRK("gpu", 0x50000000, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff,
1501 SYSC_QUIRK("lcdc", 0, 0, 0x54, -ENODEV, 0x4f201000, 0xffffffff,
1503 SYSC_QUIRK("mcasp", 0, 0, 0x4, -ENODEV, 0x44306302, 0xffffffff,
1505 SYSC_QUIRK("rtc", 0, 0x74, 0x78, -ENODEV, 0x4eb01908, 0xffff00f0,
1507 SYSC_QUIRK("tptc", 0, 0, 0x10, -ENODEV, 0x40006c00, 0xffffefff,
1509 SYSC_QUIRK("tptc", 0, 0, -ENODEV, -ENODEV, 0x40007c00, 0xffffffff,
1511 SYSC_QUIRK("sata", 0, 0xfc, 0x1100, -ENODEV, 0x5e412000, 0xffffffff,
1515 SYSC_QUIRK("usb_host_hs", 0, 0, 0x10, -ENODEV, 0x50700101, 0xffffffff,
1519 SYSC_QUIRK("usb_otg_hs", 0, 0, 0x10, -ENODEV, 0x4ea2080d, 0xffffffff,
1525 SYSC_QUIRK("pruss", 0, 0x26000, 0x26004, -ENODEV, 0x47000000, 0xff000000,
1532 SYSC_QUIRK("adc", 0, 0, 0x10, -ENODEV, 0x47300001, 0xffffffff, 0),
1533 SYSC_QUIRK("atl", 0, 0, -ENODEV, -ENODEV, 0x0a070100, 0xffffffff, 0),
1534 SYSC_QUIRK("cm", 0, 0, -ENODEV, -ENODEV, 0x40000301, 0xffffffff, 0),
1535 SYSC_QUIRK("control", 0, 0, 0x10, -ENODEV, 0x40000900, 0xffffffff, 0),
1538 SYSC_QUIRK("dcan", 0, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff, 0),
1539 SYSC_QUIRK("dcan", 0, 0x20, -ENODEV, -ENODEV, 0x4edb1902, 0xffffffff, 0),
1543 SYSC_QUIRK("dmic", 0, 0, 0x10, -ENODEV, 0x50010000, 0xffffffff, 0),
1548 SYSC_QUIRK("dwc3", 0, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff, 0),
1552 SYSC_QUIRK("emif", 0, 0, -ENODEV, -ENODEV, 0x40441403, 0xffff0fff, 0),
1553 SYSC_QUIRK("emif", 0, 0, -ENODEV, -ENODEV, 0x50440500, 0xffffffff, 0),
1554 SYSC_QUIRK("epwmss", 0, 0, 0x4, -ENODEV, 0x47400001, 0xffffffff, 0),
1555 SYSC_QUIRK("gpu", 0, 0x1fc00, 0x1fc10, -ENODEV, 0, 0, 0),
1556 SYSC_QUIRK("gpu", 0, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff, 0),
1557 SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50031d00, 0xffffffff, 0),
1559 SYSC_QUIRK("iss", 0, 0, 0x10, -ENODEV, 0x40000101, 0xffffffff, 0),
1561 SYSC_QUIRK("mcasp", 0, 0, 0x4, -ENODEV, 0x44307b02, 0xffffffff, 0),
1562 SYSC_QUIRK("mcbsp", 0, -ENODEV, 0x8c, -ENODEV, 0, 0, 0),
1563 SYSC_QUIRK("mcspi", 0, 0, 0x10, -ENODEV, 0x40300a0b, 0xffff00ff, 0),
1564 SYSC_QUIRK("mcspi", 0, 0, 0x110, 0x114, 0x40300a0b, 0xffffffff, 0),
1565 SYSC_QUIRK("mailbox", 0, 0, 0x10, -ENODEV, 0x00000400, 0xffffffff, 0),
1566 SYSC_QUIRK("m3", 0, 0, -ENODEV, -ENODEV, 0x5f580105, 0x0fff0f00, 0),
1568 SYSC_QUIRK("ocp2scp", 0, 0, -ENODEV, -ENODEV, 0x50060007, 0xffffffff, 0),
1569 SYSC_QUIRK("padconf", 0, 0, 0x10, -ENODEV, 0x4fff0800, 0xffffffff, 0),
1570 SYSC_QUIRK("padconf", 0, 0, -ENODEV, -ENODEV, 0x40001100, 0xffffffff, 0),
1571 SYSC_QUIRK("pcie", 0x51000000, -ENODEV, -ENODEV, -ENODEV, 0, 0, 0),
1572 SYSC_QUIRK("pcie", 0x51800000, -ENODEV, -ENODEV, -ENODEV, 0, 0, 0),
1573 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x40000100, 0xffffffff, 0),
1574 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x00004102, 0xffffffff, 0),
1575 SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x40000400, 0xffffffff, 0),
1578 SYSC_QUIRK("scm", 0, 0, 0x10, -ENODEV, 0x40000900, 0xffffffff, 0),
1579 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4e8b0100, 0xffffffff, 0),
1580 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4f000100, 0xffffffff, 0),
1581 SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x40000900, 0xffffffff, 0),
1582 SYSC_QUIRK("scrm", 0, 0, -ENODEV, -ENODEV, 0x00000010, 0xffffffff, 0),
1583 SYSC_QUIRK("sdio", 0, 0, 0x10, -ENODEV, 0x40202301, 0xffff0ff0, 0),
1586 SYSC_QUIRK("slimbus", 0, 0, 0x10, -ENODEV, 0x40000902, 0xffffffff, 0),
1587 SYSC_QUIRK("slimbus", 0, 0, 0x10, -ENODEV, 0x40002903, 0xffffffff, 0),
1588 SYSC_QUIRK("smartreflex", 0, -ENODEV, 0x24, -ENODEV, 0x00000000, 0xffffffff, 0),
1589 SYSC_QUIRK("smartreflex", 0, -ENODEV, 0x38, -ENODEV, 0x00000000, 0xffffffff, 0),
1590 SYSC_QUIRK("spinlock", 0, 0, 0x10, -ENODEV, 0x50020000, 0xffffffff, 0),
1591 SYSC_QUIRK("rng", 0, 0x1fe0, 0x1fe4, -ENODEV, 0x00000020, 0xffffffff, 0),
1594 /* Some timers on omap4 and later */
1595 SYSC_QUIRK("timer", 0, 0, 0x10, -ENODEV, 0x50002100, 0xffffffff, 0),
1596 SYSC_QUIRK("timer", 0, 0, 0x10, -ENODEV, 0x4fff1301, 0xffff00ff, 0),
1597 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000040, 0xffffffff, 0),
1598 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000011, 0xffffffff, 0),
1599 SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000060, 0xffffffff, 0),
1600 SYSC_QUIRK("tpcc", 0, 0, -ENODEV, -ENODEV, 0x40014c00, 0xffffffff, 0),
1603 SYSC_QUIRK("venc", 0x58003000, 0, -ENODEV, -ENODEV, 0x00000002, 0xffffffff, 0),
1604 SYSC_QUIRK("vfpe", 0, 0, 0x104, -ENODEV, 0x4d001200, 0xffffffff, 0),
1620 if (!q->base) in sysc_init_early_quirks()
1623 if (q->base != ddata->module_pa) in sysc_init_early_quirks()
1626 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_early_quirks()
1629 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_early_quirks()
1632 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_early_quirks()
1635 ddata->name = q->name; in sysc_init_early_quirks()
1636 ddata->cfg.quirks |= q->quirks; in sysc_init_early_quirks()
1649 if (q->base && q->base != ddata->module_pa) in sysc_init_revision_quirks()
1652 if (q->rev_offset != ddata->offsets[SYSC_REVISION]) in sysc_init_revision_quirks()
1655 if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG]) in sysc_init_revision_quirks()
1658 if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS]) in sysc_init_revision_quirks()
1661 if (q->revision == ddata->revision || in sysc_init_revision_quirks()
1662 (q->revision & q->revision_mask) == in sysc_init_revision_quirks()
1663 (ddata->revision & q->revision_mask)) { in sysc_init_revision_quirks()
1664 ddata->name = q->name; in sysc_init_revision_quirks()
1665 ddata->cfg.quirks |= q->quirks; in sysc_init_revision_quirks()
1673 * dispc init rather than top-level DSS init.
1684 switch (sysc_soc->soc) { in sysc_quirk_dispc()
1706 devm_iounmap(ddata->dev, ddata->module_va); in sysc_quirk_dispc()
1707 ddata->module_va = devm_ioremap(ddata->dev, in sysc_quirk_dispc()
1708 ddata->module_pa, in sysc_quirk_dispc()
1709 ddata->module_size); in sysc_quirk_dispc()
1710 if (!ddata->module_va) in sysc_quirk_dispc()
1711 return -EIO; in sysc_quirk_dispc()
1775 error = readl_poll_timeout(ddata->module_va + dispc_offset + 0x18, in sysc_pre_reset_quirk_dss()
1778 dev_warn(ddata->dev, "%s: timed out %08x !+ %08x\n", in sysc_pre_reset_quirk_dss()
1781 if (sysc_soc->soc == SOC_3430) { in sysc_pre_reset_quirk_dss()
1793 /* 1-wire needs module's internal clocks enabled for reset */
1818 /* I2C_CON, omap2/3 is different from omap4 and later */ in sysc_clk_quirk_i2c()
1819 if ((ddata->revision & 0xffffff00) == 0x001f0000) in sysc_clk_quirk_i2c()
1857 error = readl_poll_timeout_atomic(ddata->module_va + 0x44, val, in sysc_quirk_rtc()
1860 dev_warn(ddata->dev, "rtc busy timeout\n"); in sysc_quirk_rtc()
1896 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
1900 dev_warn(ddata->dev, "wdt disable step1 failed\n"); in sysc_reset_done_quirk_wdt()
1903 error = readl_poll_timeout(ddata->module_va + wps, val, in sysc_reset_done_quirk_wdt()
1907 dev_warn(ddata->dev, "wdt disable step2 failed\n"); in sysc_reset_done_quirk_wdt()
1915 reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); in sysc_module_disable_quirk_pruss()
1917 sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg); in sysc_module_disable_quirk_pruss()
1922 if (ddata->legacy_mode || !ddata->name) in sysc_init_module_quirks()
1925 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_HDQ1W) { in sysc_init_module_quirks()
1926 ddata->pre_reset_quirk = sysc_pre_reset_quirk_hdq1w; in sysc_init_module_quirks()
1932 if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) { in sysc_init_module_quirks()
1933 ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT; in sysc_init_module_quirks()
1939 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) { in sysc_init_module_quirks()
1940 ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c; in sysc_init_module_quirks()
1941 ddata->post_reset_quirk = sysc_post_reset_quirk_i2c; in sysc_init_module_quirks()
1946 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_AESS) in sysc_init_module_quirks()
1947 ddata->module_enable_quirk = sysc_module_enable_quirk_aess; in sysc_init_module_quirks()
1949 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_DSS_RESET) in sysc_init_module_quirks()
1950 ddata->pre_reset_quirk = sysc_pre_reset_quirk_dss; in sysc_init_module_quirks()
1952 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_RTC_UNLOCK) { in sysc_init_module_quirks()
1953 ddata->module_unlock_quirk = sysc_module_unlock_quirk_rtc; in sysc_init_module_quirks()
1954 ddata->module_lock_quirk = sysc_module_lock_quirk_rtc; in sysc_init_module_quirks()
1959 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_SGX) in sysc_init_module_quirks()
1960 ddata->module_enable_quirk = sysc_module_enable_quirk_sgx; in sysc_init_module_quirks()
1962 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_WDT) { in sysc_init_module_quirks()
1963 ddata->reset_done_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
1964 ddata->module_disable_quirk = sysc_reset_done_quirk_wdt; in sysc_init_module_quirks()
1967 if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_PRUSS) in sysc_init_module_quirks()
1968 ddata->module_disable_quirk = sysc_module_disable_quirk_pruss; in sysc_init_module_quirks()
1973 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_clockdomain_init()
1977 if (!pdata || !pdata->init_clockdomain) in sysc_clockdomain_init()
1980 switch (ddata->nr_clocks) { in sysc_clockdomain_init()
1982 ick = ddata->clocks[SYSC_ICK]; in sysc_clockdomain_init()
1985 fck = ddata->clocks[SYSC_FCK]; in sysc_clockdomain_init()
1991 error = pdata->init_clockdomain(ddata->dev, fck, ick, &ddata->cookie); in sysc_clockdomain_init()
1992 if (!error || error == -ENODEV) in sysc_clockdomain_init()
1999 * Note that pdata->init_module() typically does a reset first. After
2000 * pdata->init_module() is done, PM runtime can be used for the interconnect
2005 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_legacy_init()
2008 if (!pdata || !pdata->init_module) in sysc_legacy_init()
2011 error = pdata->init_module(ddata->dev, ddata->mdata, &ddata->cookie); in sysc_legacy_init()
2012 if (error == -EEXIST) in sysc_legacy_init()
2027 sysc_offset = ddata->offsets[SYSC_SYSCONFIG]; in sysc_reset()
2029 if (ddata->legacy_mode || in sysc_reset()
2030 ddata->cap->regbits->srst_shift < 0 || in sysc_reset()
2031 ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) in sysc_reset()
2034 sysc_mask = BIT(ddata->cap->regbits->srst_shift); in sysc_reset()
2036 if (ddata->pre_reset_quirk) in sysc_reset()
2037 ddata->pre_reset_quirk(ddata); in sysc_reset()
2045 if (ddata->cfg.srst_udelay) in sysc_reset()
2046 usleep_range(ddata->cfg.srst_udelay, in sysc_reset()
2047 ddata->cfg.srst_udelay * 2); in sysc_reset()
2049 if (ddata->post_reset_quirk) in sysc_reset()
2050 ddata->post_reset_quirk(ddata); in sysc_reset()
2054 dev_warn(ddata->dev, "OCP softreset timed out\n"); in sysc_reset()
2056 if (ddata->reset_done_quirk) in sysc_reset()
2057 ddata->reset_done_quirk(ddata); in sysc_reset()
2091 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) { in sysc_init_module()
2092 error = reset_control_deassert(ddata->rsts); in sysc_init_module()
2098 ddata->revision = sysc_read_revision(ddata); in sysc_init_module()
2102 if (ddata->legacy_mode) { in sysc_init_module()
2108 if (!ddata->legacy_mode) { in sysc_init_module()
2109 error = sysc_enable_module(ddata->dev); in sysc_init_module()
2116 dev_err(ddata->dev, "Reset failed with %d\n", error); in sysc_init_module()
2118 if (error && !ddata->legacy_mode) in sysc_init_module()
2119 sysc_disable_module(ddata->dev); in sysc_init_module()
2125 /* No re-enable of clockdomain autoidle to prevent module autoidle */ in sysc_init_module()
2132 !(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_init_module()
2133 reset_control_assert(ddata->rsts); in sysc_init_module()
2140 struct device_node *np = ddata->dev->of_node; in sysc_init_sysc_mask()
2144 error = of_property_read_u32(np, "ti,sysc-mask", &val); in sysc_init_sysc_mask()
2148 ddata->cfg.sysc_val = val & ddata->cap->sysc_mask; in sysc_init_sysc_mask()
2156 struct device_node *np = ddata->dev->of_node; in sysc_init_idlemode()
2163 dev_err(ddata->dev, "invalid idlemode: %i\n", val); in sysc_init_idlemode()
2164 return -EINVAL; in sysc_init_idlemode()
2176 error = sysc_init_idlemode(ddata, &ddata->cfg.midlemodes, in sysc_init_idlemodes()
2177 "ti,sysc-midle"); in sysc_init_idlemodes()
2181 error = sysc_init_idlemode(ddata, &ddata->cfg.sidlemodes, in sysc_init_idlemodes()
2182 "ti,sysc-sidle"); in sysc_init_idlemodes()
2190 * Only some devices on omap4 and later have SYSCONFIG reset done
2198 struct device_node *np = ddata->dev->of_node; in sysc_init_syss_mask()
2202 error = of_property_read_u32(np, "ti,syss-mask", &val); in sysc_init_syss_mask()
2204 if ((ddata->cap->type == TI_SYSC_OMAP4 || in sysc_init_syss_mask()
2205 ddata->cap->type == TI_SYSC_OMAP4_TIMER) && in sysc_init_syss_mask()
2206 (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2207 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2212 if (!(val & 1) && (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET)) in sysc_init_syss_mask()
2213 ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS; in sysc_init_syss_mask()
2215 ddata->cfg.syss_mask = val; in sysc_init_syss_mask()
2237 error = -EEXIST; in sysc_child_add_named_clock()
2241 clk = clk_get(ddata->dev, name); in sysc_child_add_named_clock()
2243 return -ENODEV; in sysc_child_add_named_clock()
2247 error = -ENOMEM; in sysc_child_add_named_clock()
2259 for (i = 0; i < ddata->nr_clocks; i++) { in sysc_child_add_clocks()
2262 ddata->clock_roles[i]); in sysc_child_add_clocks()
2263 if (error && error != -EEXIST) { in sysc_child_add_clocks()
2264 dev_err(ddata->dev, "could not add child clock %s: %i\n", in sysc_child_add_clocks()
2265 ddata->clock_roles[i], error); in sysc_child_add_clocks()
2279 struct device *parent = dev->parent; in sysc_child_to_parent()
2281 if (!parent || parent->type != &sysc_device_type) in sysc_child_to_parent()
2298 if (!ddata->enabled) in sysc_child_runtime_suspend()
2301 return sysc_runtime_suspend(ddata->dev); in sysc_child_runtime_suspend()
2311 if (!ddata->enabled) { in sysc_child_runtime_resume()
2312 error = sysc_runtime_resume(ddata->dev); in sysc_child_runtime_resume()
2314 dev_err(ddata->dev, in sysc_child_runtime_resume()
2329 dev_dbg(ddata->dev, "%s %s\n", __func__, in sysc_child_suspend_noirq()
2330 ddata->name ? ddata->name : ""); in sysc_child_suspend_noirq()
2349 error = sysc_runtime_suspend(ddata->dev); in sysc_child_suspend_noirq()
2357 ddata->child_needs_resume = true; in sysc_child_suspend_noirq()
2370 dev_dbg(ddata->dev, "%s %s\n", __func__, in sysc_child_resume_noirq()
2371 ddata->name ? ddata->name : ""); in sysc_child_resume_noirq()
2373 if (ddata->child_needs_resume) { in sysc_child_resume_noirq()
2374 ddata->child_needs_resume = false; in sysc_child_resume_noirq()
2376 error = sysc_runtime_resume(ddata->dev); in sysc_child_resume_noirq()
2378 dev_err(ddata->dev, in sysc_child_resume_noirq()
2384 dev_err(ddata->dev, in sysc_child_resume_noirq()
2405 * sysc_legacy_idle_quirk - handle children in omap_device compatible way
2419 if (ddata->cfg.quirks & SYSC_QUIRK_LEGACY_IDLE) in sysc_legacy_idle_quirk()
2459 { .name = "ti,no-idle-on-init",
2461 { .name = "ti,no-reset-on-init",
2463 { .name = "ti,no-idle",
2480 ddata->cfg.quirks |= sysc_dts_quirks[i].mask; in sysc_parse_dts_quirks()
2482 dev_warn(ddata->dev, in sysc_parse_dts_quirks()
2491 struct device_node *np = ddata->dev->of_node; in sysc_init_dts_quirks()
2495 ddata->legacy_mode = of_get_property(np, "ti,hwmods", NULL); in sysc_init_dts_quirks()
2498 error = of_property_read_u32(np, "ti,sysc-delay-us", &val); in sysc_init_dts_quirks()
2501 dev_warn(ddata->dev, "bad ti,sysc-delay-us: %i\n", in sysc_init_dts_quirks()
2505 ddata->cfg.srst_udelay = (u8)val; in sysc_init_dts_quirks()
2515 if (!ddata->clocks) in sysc_unprepare()
2519 if (!IS_ERR_OR_NULL(ddata->clocks[i])) in sysc_unprepare()
2520 clk_unprepare(ddata->clocks[i]); in sysc_unprepare()
2528 .dmadisable_shift = -ENODEV,
2561 .dmadisable_shift = -ENODEV,
2562 .midle_shift = -ENODEV,
2564 .clkact_shift = -ENODEV,
2565 .enwkup_shift = -ENODEV,
2568 .emufree_shift = -ENODEV,
2582 .dmadisable_shift = -ENODEV,
2583 .midle_shift = -ENODEV,
2585 .clkact_shift = -ENODEV,
2586 .enwkup_shift = -ENODEV,
2589 .emufree_shift = -ENODEV,
2599 * Common sysc register bits found on omap4, also known as type2
2605 .clkact_shift = -ENODEV,
2606 .enwkup_shift = -ENODEV,
2609 .autoidle_shift = -ENODEV,
2627 * Common sysc register bits found on omap4, also known as type3
2630 .dmadisable_shift = -ENODEV,
2633 .clkact_shift = -ENODEV,
2634 .enwkup_shift = -ENODEV,
2635 .srst_shift = -ENODEV,
2636 .emufree_shift = -ENODEV,
2637 .autoidle_shift = -ENODEV,
2649 .dmadisable_shift = -ENODEV,
2650 .midle_shift = -ENODEV,
2651 .sidle_shift = -ENODEV,
2653 .enwkup_shift = -ENODEV,
2654 .srst_shift = -ENODEV,
2655 .emufree_shift = -ENODEV,
2656 .autoidle_shift = -ENODEV,
2671 .dmadisable_shift = -ENODEV,
2672 .midle_shift = -ENODEV,
2674 .clkact_shift = -ENODEV,
2676 .srst_shift = -ENODEV,
2677 .emufree_shift = -ENODEV,
2678 .autoidle_shift = -ENODEV,
2695 * McASP register bits found on omap4 and later
2698 .dmadisable_shift = -ENODEV,
2699 .midle_shift = -ENODEV,
2701 .clkact_shift = -ENODEV,
2702 .enwkup_shift = -ENODEV,
2703 .srst_shift = -ENODEV,
2704 .emufree_shift = -ENODEV,
2705 .autoidle_shift = -ENODEV,
2724 * FS USB host found on omap4 and later
2727 .dmadisable_shift = -ENODEV,
2728 .midle_shift = -ENODEV,
2730 .clkact_shift = -ENODEV,
2732 .srst_shift = -ENODEV,
2733 .emufree_shift = -ENODEV,
2734 .autoidle_shift = -ENODEV,
2744 .dmadisable_shift = -ENODEV,
2745 .midle_shift = -ENODEV,
2746 .sidle_shift = -ENODEV,
2747 .clkact_shift = -ENODEV,
2750 .emufree_shift = -ENODEV,
2751 .autoidle_shift = -ENODEV,
2773 struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); in sysc_init_pdata()
2779 mdata = devm_kzalloc(ddata->dev, sizeof(*mdata), GFP_KERNEL); in sysc_init_pdata()
2781 return -ENOMEM; in sysc_init_pdata()
2783 if (ddata->legacy_mode) { in sysc_init_pdata()
2784 mdata->name = ddata->legacy_mode; in sysc_init_pdata()
2785 mdata->module_pa = ddata->module_pa; in sysc_init_pdata()
2786 mdata->module_size = ddata->module_size; in sysc_init_pdata()
2787 mdata->offsets = ddata->offsets; in sysc_init_pdata()
2788 mdata->nr_offsets = SYSC_MAX_REGS; in sysc_init_pdata()
2789 mdata->cap = ddata->cap; in sysc_init_pdata()
2790 mdata->cfg = &ddata->cfg; in sysc_init_pdata()
2793 ddata->mdata = mdata; in sysc_init_pdata()
2802 cap = of_device_get_match_data(ddata->dev); in sysc_init_match()
2804 return -EINVAL; in sysc_init_match()
2806 ddata->cap = cap; in sysc_init_match()
2807 if (ddata->cap) in sysc_init_match()
2808 ddata->cfg.quirks |= ddata->cap->mod_quirks; in sysc_init_match()
2825 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in ti_sysc_idle()
2833 if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE) in ti_sysc_idle()
2840 if (pm_runtime_active(ddata->dev)) in ti_sysc_idle()
2841 pm_runtime_put_sync(ddata->dev); in ti_sysc_idle()
2891 return -ENOMEM; in sysc_add_disabled()
2893 disabled_module->base = base; in sysc_add_disabled()
2895 mutex_lock(&sysc_soc->list_lock); in sysc_add_disabled()
2896 list_add(&disabled_module->node, &sysc_soc->disabled_modules); in sysc_add_disabled()
2897 mutex_unlock(&sysc_soc->list_lock); in sysc_add_disabled()
2904 * Note that we initialize static data shared across all ti-sysc instances
2920 return -ENOMEM; in sysc_init_soc()
2922 mutex_init(&sysc_soc->list_lock); in sysc_init_soc()
2923 INIT_LIST_HEAD(&sysc_soc->disabled_modules); in sysc_init_soc()
2924 sysc_soc->general_purpose = true; in sysc_init_soc()
2926 pdata = dev_get_platdata(ddata->dev); in sysc_init_soc()
2927 if (pdata && pdata->soc_type_gp) in sysc_init_soc()
2928 sysc_soc->general_purpose = pdata->soc_type_gp(); in sysc_init_soc()
2931 if (match && match->data) in sysc_init_soc()
2932 sysc_soc->soc = (int)match->data; in sysc_init_soc()
2936 * simple-pm-bus instead of simple-bus in the dtb for genpd using SoCs. in sysc_init_soc()
2938 switch (sysc_soc->soc) { in sysc_init_soc()
2945 WARN_ONCE(np && of_device_is_compatible(np, "simple-bus"), in sysc_init_soc()
2946 "ti-sysc: Incomplete old dtb, please update\n"); in sysc_init_soc()
2953 if (!sysc_soc->general_purpose) { in sysc_init_soc()
2954 switch (sysc_soc->soc) { in sysc_init_soc()
2970 if (match->data) in sysc_init_soc()
2971 features = (unsigned long)match->data; in sysc_init_soc()
2996 mutex_lock(&sysc_soc->list_lock); in sysc_cleanup_soc()
2997 list_for_each_safe(pos, tmp, &sysc_soc->disabled_modules) { in sysc_cleanup_soc()
3002 mutex_unlock(&sysc_soc->list_lock); in sysc_cleanup_soc()
3011 mutex_lock(&sysc_soc->list_lock); in sysc_check_disabled_devices()
3012 list_for_each(pos, &sysc_soc->disabled_modules) { in sysc_check_disabled_devices()
3014 if (ddata->module_pa == disabled_module->base) { in sysc_check_disabled_devices()
3015 dev_dbg(ddata->dev, "module disabled for this SoC\n"); in sysc_check_disabled_devices()
3016 error = -ENODEV; in sysc_check_disabled_devices()
3020 mutex_unlock(&sysc_soc->list_lock); in sysc_check_disabled_devices()
3026 * Ignore timers tagged with no-reset and no-idle. These are likely in use,
3027 * for example by drivers/clocksource/timer-ti-dm-systimer.c. If more checks
3032 if (ddata->cap->type != TI_SYSC_OMAP2_TIMER && in sysc_check_active_timer()
3033 ddata->cap->type != TI_SYSC_OMAP4_TIMER) in sysc_check_active_timer()
3036 if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) && in sysc_check_active_timer()
3037 (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE)) in sysc_check_active_timer()
3038 return -ENXIO; in sysc_check_active_timer()
3044 { .compatible = "simple-bus", },
3050 struct ti_sysc_platform_data *pdata = dev_get_platdata(&pdev->dev); in sysc_probe()
3054 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); in sysc_probe()
3056 return -ENOMEM; in sysc_probe()
3058 ddata->offsets[SYSC_REVISION] = -ENODEV; in sysc_probe()
3059 ddata->offsets[SYSC_SYSCONFIG] = -ENODEV; in sysc_probe()
3060 ddata->offsets[SYSC_SYSSTATUS] = -ENODEV; in sysc_probe()
3061 ddata->dev = &pdev->dev; in sysc_probe()
3103 if (error == -ENXIO) in sysc_probe()
3104 ddata->reserved = true; in sysc_probe()
3120 pm_runtime_enable(ddata->dev); in sysc_probe()
3121 error = pm_runtime_resume_and_get(ddata->dev); in sysc_probe()
3123 pm_runtime_disable(ddata->dev); in sysc_probe()
3128 if (!(ddata->cfg.quirks & in sysc_probe()
3135 if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) in sysc_probe()
3136 reset_control_assert(ddata->rsts); in sysc_probe()
3140 ddata->dev->type = &sysc_device_type; in sysc_probe()
3142 if (!ddata->reserved) { in sysc_probe()
3143 error = of_platform_populate(ddata->dev->of_node, in sysc_probe()
3145 pdata ? pdata->auxdata : NULL, in sysc_probe()
3146 ddata->dev); in sysc_probe()
3151 INIT_DELAYED_WORK(&ddata->idle_work, ti_sysc_idle); in sysc_probe()
3154 if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE | in sysc_probe()
3157 schedule_delayed_work(&ddata->idle_work, 3000); in sysc_probe()
3159 pm_runtime_put(&pdev->dev); in sysc_probe()
3165 pm_runtime_put_sync(&pdev->dev); in sysc_probe()
3166 pm_runtime_disable(&pdev->dev); in sysc_probe()
3178 cancel_delayed_work_sync(&ddata->idle_work); in sysc_remove()
3180 error = pm_runtime_resume_and_get(ddata->dev); in sysc_remove()
3182 pm_runtime_disable(ddata->dev); in sysc_remove()
3186 of_platform_depopulate(&pdev->dev); in sysc_remove()
3188 pm_runtime_put_sync(&pdev->dev); in sysc_remove()
3189 pm_runtime_disable(&pdev->dev); in sysc_remove()
3191 if (!reset_control_status(ddata->rsts)) in sysc_remove()
3192 reset_control_assert(ddata->rsts); in sysc_remove()
3201 { .compatible = "ti,sysc-omap2", .data = &sysc_omap2, },
3202 { .compatible = "ti,sysc-omap2-timer", .data = &sysc_omap2_timer, },
3203 { .compatible = "ti,sysc-omap4", .data = &sysc_omap4, },
3204 { .compatible = "ti,sysc-omap4-timer", .data = &sysc_omap4_timer, },
3205 { .compatible = "ti,sysc-omap4-simple", .data = &sysc_omap4_simple, },
3206 { .compatible = "ti,sysc-omap3430-sr", .data = &sysc_34xx_sr, },
3207 { .compatible = "ti,sysc-omap3630-sr", .data = &sysc_36xx_sr, },
3208 { .compatible = "ti,sysc-omap4-sr", .data = &sysc_omap4_sr, },
3209 { .compatible = "ti,sysc-omap3-sham", .data = &sysc_omap3_sham, },
3210 { .compatible = "ti,sysc-omap-aes", .data = &sysc_omap3_aes, },
3211 { .compatible = "ti,sysc-mcasp", .data = &sysc_omap4_mcasp, },
3212 { .compatible = "ti,sysc-dra7-mcasp", .data = &sysc_dra7_mcasp, },
3213 { .compatible = "ti,sysc-usb-host-fs",
3215 { .compatible = "ti,sysc-dra7-mcan", .data = &sysc_dra7_mcan, },
3216 { .compatible = "ti,sysc-pruss", .data = &sysc_pruss, },
3225 .name = "ti-sysc",