1 // SPDX-License-Identifier: GPL-2.0
3  * ti-sysc.c - Texas Instruments sysc interconnect target driver
24 #include <linux/platform_data/ti-sysc.h>
26 #include <dt-bindings/bus/ti-sysc.h>
57 	struct sysc *ddata;
85 static const char * const reg_names[] = { "rev", "sysc", "syss", };
95  * struct sysc - TI sysc interconnect target module registers and capabilities
101  * @mdata: ti-sysc to hwmod translation data for a module
113  * @enabled: sysc runtime enabled status
118  * @pre_reset_quirk: module specific pre-reset quirk
119  * @post_reset_quirk: module specific post-reset quirk
126 struct sysc {  struct
149 	void (*pre_reset_quirk)(struct sysc *sysc);  argument
150 	void (*post_reset_quirk)(struct sysc *sysc);  argument
151 	void (*reset_done_quirk)(struct sysc *sysc);  argument
152 	void (*module_enable_quirk)(struct sysc *sysc);  argument
153 	void (*module_disable_quirk)(struct sysc *sysc);  argument
154 	void (*module_unlock_quirk)(struct sysc *sysc);  argument
155 	void (*module_lock_quirk)(struct sysc *sysc);  argument
158 static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np,
160 static int sysc_reset(struct sysc *ddata);
162 static void sysc_write(struct sysc *ddata, int offset, u32 value)  in sysc_write()
164 	if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) {  in sysc_write()
165 		writew_relaxed(value & 0xffff, ddata->module_va + offset);  in sysc_write()
168 		if (ddata->offsets[SYSC_REVISION] >= 0 &&  in sysc_write()
169 		    offset == ddata->offsets[SYSC_REVISION]) {  in sysc_write()
172 			writew_relaxed(hi, ddata->module_va + offset + 4);  in sysc_write()
178 	writel_relaxed(value, ddata->module_va + offset);  in sysc_write()
181 static u32 sysc_read(struct sysc *ddata, int offset)  in sysc_read()
183 	if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) {  in sysc_read()
186 		val = readw_relaxed(ddata->module_va + offset);  in sysc_read()
189 		if (ddata->offsets[SYSC_REVISION] >= 0 &&  in sysc_read()
190 		    offset == ddata->offsets[SYSC_REVISION]) {  in sysc_read()
191 			u16 tmp = readw_relaxed(ddata->module_va + offset + 4);  in sysc_read()
199 	return readl_relaxed(ddata->module_va + offset);  in sysc_read()
202 static bool sysc_opt_clks_needed(struct sysc *ddata)  in sysc_opt_clks_needed()
204 	return !!(ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_NEEDED);  in sysc_opt_clks_needed()
207 static u32 sysc_read_revision(struct sysc *ddata)  in sysc_read_revision()
209 	int offset = ddata->offsets[SYSC_REVISION];  in sysc_read_revision()
217 static u32 sysc_read_sysconfig(struct sysc *ddata)  in sysc_read_sysconfig()
219 	int offset = ddata->offsets[SYSC_SYSCONFIG];  in sysc_read_sysconfig()
227 static u32 sysc_read_sysstatus(struct sysc *ddata)  in sysc_read_sysstatus()
229 	int offset = ddata->offsets[SYSC_SYSSTATUS];  in sysc_read_sysstatus()
237 static int sysc_poll_reset_sysstatus(struct sysc *ddata)  in sysc_poll_reset_sysstatus()
242 	if (ddata->cfg.quirks & SYSS_QUIRK_RESETDONE_INVERTED)  in sysc_poll_reset_sysstatus()
245 		syss_done = ddata->cfg.syss_mask;  in sysc_poll_reset_sysstatus()
249 				rstval, (rstval & ddata->cfg.syss_mask) ==  in sysc_poll_reset_sysstatus()
253 		while (retries--) {  in sysc_poll_reset_sysstatus()
255 			if ((rstval & ddata->cfg.syss_mask) == syss_done)  in sysc_poll_reset_sysstatus()
259 		error = -ETIMEDOUT;  in sysc_poll_reset_sysstatus()
265 static int sysc_poll_reset_sysconfig(struct sysc *ddata)  in sysc_poll_reset_sysconfig()
270 	sysc_mask = BIT(ddata->cap->regbits->srst_shift);  in sysc_poll_reset_sysconfig()
278 		while (retries--) {  in sysc_poll_reset_sysconfig()
284 		error = -ETIMEDOUT;  in sysc_poll_reset_sysconfig()
291 static int sysc_wait_softreset(struct sysc *ddata)  in sysc_wait_softreset()
295 	if (ddata->cap->regbits->srst_shift < 0)  in sysc_wait_softreset()
298 	syss_offset = ddata->offsets[SYSC_SYSSTATUS];  in sysc_wait_softreset()
302 	else if (ddata->cfg.quirks & SYSC_QUIRK_RESET_STATUS)  in sysc_wait_softreset()
308 static int sysc_add_named_clock_from_child(struct sysc *ddata,  in sysc_add_named_clock_from_child()
312 	struct device_node *np = ddata->dev->of_node;  in sysc_add_named_clock_from_child()
333 		return -ENODEV;  in sysc_add_named_clock_from_child()
335 	clock = devm_get_clk_from_child(ddata->dev, child, name);  in sysc_add_named_clock_from_child()
346 		return -ENOMEM;  in sysc_add_named_clock_from_child()
348 	cl->con_id = n;  in sysc_add_named_clock_from_child()
349 	cl->dev_id = dev_name(ddata->dev);  in sysc_add_named_clock_from_child()
350 	cl->clk = clock;  in sysc_add_named_clock_from_child()
358 static int sysc_init_ext_opt_clock(struct sysc *ddata, const char *name)  in sysc_init_ext_opt_clock()
363 	if (ddata->nr_clocks < SYSC_OPTFCK0)  in sysc_init_ext_opt_clock()
366 		index = ddata->nr_clocks;  in sysc_init_ext_opt_clock()
377 	ddata->clock_roles[index] = optfck_name;  in sysc_init_ext_opt_clock()
378 	ddata->nr_clocks++;  in sysc_init_ext_opt_clock()
383 static int sysc_get_one_clock(struct sysc *ddata, const char *name)  in sysc_get_one_clock()
385 	int error, i, index = -ENODEV;  in sysc_get_one_clock()
394 			if (!ddata->clocks[i]) {  in sysc_get_one_clock()
402 		dev_err(ddata->dev, "clock %s not added\n", name);  in sysc_get_one_clock()
406 	ddata->clocks[index] = devm_clk_get(ddata->dev, name);  in sysc_get_one_clock()
407 	if (IS_ERR(ddata->clocks[index])) {  in sysc_get_one_clock()
408 		dev_err(ddata->dev, "clock get error for %s: %li\n",  in sysc_get_one_clock()
409 			name, PTR_ERR(ddata->clocks[index]));  in sysc_get_one_clock()
411 		return PTR_ERR(ddata->clocks[index]);  in sysc_get_one_clock()
414 	error = clk_prepare(ddata->clocks[index]);  in sysc_get_one_clock()
416 		dev_err(ddata->dev, "clock prepare error for %s: %i\n",  in sysc_get_one_clock()
425 static int sysc_get_clocks(struct sysc *ddata)  in sysc_get_clocks()
427 	struct device_node *np = ddata->dev->of_node;  in sysc_get_clocks()
432 	ddata->clock_roles = devm_kcalloc(ddata->dev,  in sysc_get_clocks()
434 					  sizeof(*ddata->clock_roles),  in sysc_get_clocks()
436 	if (!ddata->clock_roles)  in sysc_get_clocks()
437 		return -ENOMEM;  in sysc_get_clocks()
439 	of_property_for_each_string(np, "clock-names", prop, name) {  in sysc_get_clocks()
444 		ddata->clock_roles[ddata->nr_clocks] = name;  in sysc_get_clocks()
445 		ddata->nr_clocks++;  in sysc_get_clocks()
448 	if (ddata->nr_clocks < 1)  in sysc_get_clocks()
451 	if ((ddata->cfg.quirks & SYSC_QUIRK_EXT_OPT_CLOCK)) {  in sysc_get_clocks()
457 	if (ddata->nr_clocks > SYSC_MAX_CLOCKS) {  in sysc_get_clocks()
458 		dev_err(ddata->dev, "too many clocks for %pOF\n", np);  in sysc_get_clocks()
460 		return -EINVAL;  in sysc_get_clocks()
464 		dev_err(ddata->dev, "max one fck and ick for %pOF\n", np);  in sysc_get_clocks()
466 		return -EINVAL;  in sysc_get_clocks()
471 		ddata->nr_clocks++;  in sysc_get_clocks()
473 		ddata->nr_clocks++;  in sysc_get_clocks()
475 	ddata->clocks = devm_kcalloc(ddata->dev,  in sysc_get_clocks()
476 				     ddata->nr_clocks, sizeof(*ddata->clocks),  in sysc_get_clocks()
478 	if (!ddata->clocks)  in sysc_get_clocks()
479 		return -ENOMEM;  in sysc_get_clocks()
482 		const char *name = ddata->clock_roles[i];  in sysc_get_clocks()
495 static int sysc_enable_main_clocks(struct sysc *ddata)  in sysc_enable_main_clocks()
500 	if (!ddata->clocks)  in sysc_enable_main_clocks()
504 		clock = ddata->clocks[i];  in sysc_enable_main_clocks()
518 	for (i--; i >= 0; i--) {  in sysc_enable_main_clocks()
519 		clock = ddata->clocks[i];  in sysc_enable_main_clocks()
531 static void sysc_disable_main_clocks(struct sysc *ddata)  in sysc_disable_main_clocks()
536 	if (!ddata->clocks)  in sysc_disable_main_clocks()
540 		clock = ddata->clocks[i];  in sysc_disable_main_clocks()
548 static int sysc_enable_opt_clocks(struct sysc *ddata)  in sysc_enable_opt_clocks()
553 	if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1)  in sysc_enable_opt_clocks()
557 		clock = ddata->clocks[i];  in sysc_enable_opt_clocks()
571 	for (i--; i >= 0; i--) {  in sysc_enable_opt_clocks()
572 		clock = ddata->clocks[i];  in sysc_enable_opt_clocks()
582 static void sysc_disable_opt_clocks(struct sysc *ddata)  in sysc_disable_opt_clocks()
587 	if (!ddata->clocks || ddata->nr_clocks < SYSC_OPTFCK0 + 1)  in sysc_disable_opt_clocks()
591 		clock = ddata->clocks[i];  in sysc_disable_opt_clocks()
601 static void sysc_clkdm_deny_idle(struct sysc *ddata)  in sysc_clkdm_deny_idle()
605 	if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO))  in sysc_clkdm_deny_idle()
608 	pdata = dev_get_platdata(ddata->dev);  in sysc_clkdm_deny_idle()
609 	if (pdata && pdata->clkdm_deny_idle)  in sysc_clkdm_deny_idle()
610 		pdata->clkdm_deny_idle(ddata->dev, &ddata->cookie);  in sysc_clkdm_deny_idle()
613 static void sysc_clkdm_allow_idle(struct sysc *ddata)  in sysc_clkdm_allow_idle()
617 	if (ddata->legacy_mode || (ddata->cfg.quirks & SYSC_QUIRK_CLKDM_NOAUTO))  in sysc_clkdm_allow_idle()
620 	pdata = dev_get_platdata(ddata->dev);  in sysc_clkdm_allow_idle()
621 	if (pdata && pdata->clkdm_allow_idle)  in sysc_clkdm_allow_idle()
622 		pdata->clkdm_allow_idle(ddata->dev, &ddata->cookie);  in sysc_clkdm_allow_idle()
626  * sysc_init_resets - init rstctrl reset line if configured
631 static int sysc_init_resets(struct sysc *ddata)  in sysc_init_resets()
633 	ddata->rsts =  in sysc_init_resets()
634 		devm_reset_control_get_optional_shared(ddata->dev, "rstctrl");  in sysc_init_resets()
636 	return PTR_ERR_OR_ZERO(ddata->rsts);  in sysc_init_resets()
640  * sysc_parse_and_check_child_range - parses module IO region from ranges
643  * In general we only need rev, syss, and sysc registers and not the whole
648 static int sysc_parse_and_check_child_range(struct sysc *ddata)  in sysc_parse_and_check_child_range()
650 	struct device_node *np = ddata->dev->of_node;  in sysc_parse_and_check_child_range()
657 		dev_err(ddata->dev, "missing ranges for %pOF\n", np);  in sysc_parse_and_check_child_range()
659 		return -ENOENT;  in sysc_parse_and_check_child_range()
665 		dev_err(ddata->dev, "incomplete ranges for %pOF\n", np);  in sysc_parse_and_check_child_range()
667 		return -EINVAL;  in sysc_parse_and_check_child_range()
670 	error = of_property_read_u32(np, "#address-cells", &nr_addr);  in sysc_parse_and_check_child_range()
672 		return -ENOENT;  in sysc_parse_and_check_child_range()
674 	error = of_property_read_u32(np, "#size-cells", &nr_size);  in sysc_parse_and_check_child_range()
676 		return -ENOENT;  in sysc_parse_and_check_child_range()
679 		dev_err(ddata->dev, "invalid ranges for %pOF\n", np);  in sysc_parse_and_check_child_range()
681 		return -EINVAL;  in sysc_parse_and_check_child_range()
685 	ddata->module_pa = of_translate_address(np, ranges++);  in sysc_parse_and_check_child_range()
686 	ddata->module_size = be32_to_cpup(ranges);  in sysc_parse_and_check_child_range()
706  * sysc_defer_non_critical - defer non_critical interconnect probing
713 static int sysc_defer_non_critical(struct sysc *ddata)  in sysc_defer_non_critical()
723 		if (ddata->module_pa >= res->start &&  in sysc_defer_non_critical()
724 		    ddata->module_pa <= res->end) {  in sysc_defer_non_critical()
733 	return -EPROBE_DEFER;  in sysc_defer_non_critical()
738 static void sysc_init_stdout_path(struct sysc *ddata)  in sysc_init_stdout_path()
753 	uart = of_get_property(np, "stdout-path", NULL);  in sysc_init_stdout_path()
766 	stdout_path = ERR_PTR(-ENODEV);  in sysc_init_stdout_path()
769 static void sysc_check_quirk_stdout(struct sysc *ddata,  in sysc_check_quirk_stdout()
776 	ddata->cfg.quirks |= SYSC_QUIRK_NO_IDLE_ON_INIT |  in sysc_check_quirk_stdout()
781  * sysc_check_one_child - check child configuration
789 static void sysc_check_one_child(struct sysc *ddata,  in sysc_check_one_child()
795 	if (name && !of_device_is_compatible(np, "ti,sysc"))  in sysc_check_one_child()
796 		dev_warn(ddata->dev, "really a child ti,hwmods property?");  in sysc_check_one_child()
802 static void sysc_check_children(struct sysc *ddata)  in sysc_check_children()
806 	for_each_child_of_node(ddata->dev->of_node, child)  in sysc_check_children()
811  * So far only I2C uses 16-bit read access with clockactivity with revision
816 static void sysc_check_quirk_16bit(struct sysc *ddata, struct resource *res)  in sysc_check_quirk_16bit()
819 		ddata->cfg.quirks |= SYSC_QUIRK_16BIT | SYSC_QUIRK_USE_CLOCKACT;  in sysc_check_quirk_16bit()
823  * sysc_parse_one - parses the interconnect target module registers
827 static int sysc_parse_one(struct sysc *ddata, enum sysc_registers reg)  in sysc_parse_one()
839 		return -EINVAL;  in sysc_parse_one()
842 	res = platform_get_resource_byname(to_platform_device(ddata->dev),  in sysc_parse_one()
845 		ddata->offsets[reg] = -ENODEV;  in sysc_parse_one()
850 	ddata->offsets[reg] = res->start - ddata->module_pa;  in sysc_parse_one()
857 static int sysc_parse_registers(struct sysc *ddata)  in sysc_parse_registers()
871  * sysc_check_registers - check for misconfigured register overlaps
874 static int sysc_check_registers(struct sysc *ddata)  in sysc_check_registers()
879 		if (ddata->offsets[i] < 0)  in sysc_check_registers()
882 		if (ddata->offsets[i] > (ddata->module_size - 4)) {  in sysc_check_registers()
883 			dev_err(ddata->dev, "register outside module range");  in sysc_check_registers()
885 				return -EINVAL;  in sysc_check_registers()
889 			if (ddata->offsets[j] < 0)  in sysc_check_registers()
892 			if (ddata->offsets[i] == ddata->offsets[j])  in sysc_check_registers()
899 		dev_err(ddata->dev, "overlapping registers: (%i/%i)",  in sysc_check_registers()
902 		return -EINVAL;  in sysc_check_registers()
909  * sysc_ioremap - ioremap register space for the interconnect target module
919 static int sysc_ioremap(struct sysc *ddata)  in sysc_ioremap()
923 	if (ddata->offsets[SYSC_REVISION] < 0 &&  in sysc_ioremap()
924 	    ddata->offsets[SYSC_SYSCONFIG] < 0 &&  in sysc_ioremap()
925 	    ddata->offsets[SYSC_SYSSTATUS] < 0) {  in sysc_ioremap()
926 		size = ddata->module_size;  in sysc_ioremap()
928 		size = max3(ddata->offsets[SYSC_REVISION],  in sysc_ioremap()
929 			    ddata->offsets[SYSC_SYSCONFIG],  in sysc_ioremap()
930 			    ddata->offsets[SYSC_SYSSTATUS]);  in sysc_ioremap()
935 		if ((size + sizeof(u32)) > ddata->module_size)  in sysc_ioremap()
936 			size = ddata->module_size;  in sysc_ioremap()
939 	ddata->module_va = devm_ioremap(ddata->dev,  in sysc_ioremap()
940 					ddata->module_pa,  in sysc_ioremap()
942 	if (!ddata->module_va)  in sysc_ioremap()
943 		return -EIO;  in sysc_ioremap()
949  * sysc_map_and_check_registers - ioremap and check device registers
952 static int sysc_map_and_check_registers(struct sysc *ddata)  in sysc_map_and_check_registers()
954 	struct device_node *np = ddata->dev->of_node;  in sysc_map_and_check_registers()
986  * sysc_show_rev - read and show interconnect target module revision
990 static int sysc_show_rev(char *bufp, struct sysc *ddata)  in sysc_show_rev()
994 	if (ddata->offsets[SYSC_REVISION] < 0)  in sysc_show_rev()
997 	len = sprintf(bufp, ":%08x", ddata->revision);  in sysc_show_rev()
1002 static int sysc_show_reg(struct sysc *ddata,  in sysc_show_reg()
1005 	if (ddata->offsets[reg] < 0)  in sysc_show_reg()
1008 	return sprintf(bufp, ":%x", ddata->offsets[reg]);  in sysc_show_reg()
1011 static int sysc_show_name(char *bufp, struct sysc *ddata)  in sysc_show_name()
1013 	if (!ddata->name)  in sysc_show_name()
1016 	return sprintf(bufp, ":%s", ddata->name);  in sysc_show_name()
1020  * sysc_show_registers - show information about interconnect target module
1023 static void sysc_show_registers(struct sysc *ddata)  in sysc_show_registers()
1035 	dev_dbg(ddata->dev, "%llx:%x%s\n",  in sysc_show_registers()
1036 		ddata->module_pa, ddata->module_size,  in sysc_show_registers()
1041  * sysc_write_sysconfig - handle sysconfig quirks for register write
1045 static void sysc_write_sysconfig(struct sysc *ddata, u32 value)  in sysc_write_sysconfig()
1047 	if (ddata->module_unlock_quirk)  in sysc_write_sysconfig()
1048 		ddata->module_unlock_quirk(ddata);  in sysc_write_sysconfig()
1050 	sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], value);  in sysc_write_sysconfig()
1052 	if (ddata->module_lock_quirk)  in sysc_write_sysconfig()
1053 		ddata->module_lock_quirk(ddata);  in sysc_write_sysconfig()
1056 #define SYSC_IDLE_MASK	(SYSC_NR_IDLEMODES - 1)
1062 	struct sysc *ddata;  in sysc_enable_module()
1073 	if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET) {  in sysc_enable_module()
1076 			dev_err(ddata->dev,  in sysc_enable_module()
1086 	if (!(ddata->cfg.quirks & SYSC_MODULE_QUIRK_ENA_RESETDONE)) {  in sysc_enable_module()
1089 			dev_warn(ddata->dev, "OCP softreset timed out\n");  in sysc_enable_module()
1091 	if (ddata->cfg.quirks & SYSC_QUIRK_OPT_CLKS_IN_RESET)  in sysc_enable_module()
1099 	if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV)  in sysc_enable_module()
1102 	regbits = ddata->cap->regbits;  in sysc_enable_module()
1103 	reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]);  in sysc_enable_module()
1110 	if (regbits->clkact_shift >= 0 &&  in sysc_enable_module()
1111 	    (ddata->cfg.quirks & SYSC_QUIRK_USE_CLOCKACT))  in sysc_enable_module()
1112 		reg |= SYSC_CLOCACT_ICK << regbits->clkact_shift;  in sysc_enable_module()
1115 	idlemodes = ddata->cfg.sidlemodes;  in sysc_enable_module()
1116 	if (!idlemodes || regbits->sidle_shift < 0)  in sysc_enable_module()
1119 	if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_SIDLE |  in sysc_enable_module()
1123 		best_mode = fls(ddata->cfg.sidlemodes) - 1;  in sysc_enable_module()
1126 			return -EINVAL;  in sysc_enable_module()
1130 		if (regbits->enwkup_shift >= 0 &&  in sysc_enable_module()
1131 		    ddata->cfg.sysc_val & BIT(regbits->enwkup_shift))  in sysc_enable_module()
1132 			reg |= BIT(regbits->enwkup_shift);  in sysc_enable_module()
1135 	reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift);  in sysc_enable_module()
1136 	reg |= best_mode << regbits->sidle_shift;  in sysc_enable_module()
1141 	idlemodes = ddata->cfg.midlemodes;  in sysc_enable_module()
1142 	if (!idlemodes || regbits->midle_shift < 0)  in sysc_enable_module()
1145 	best_mode = fls(ddata->cfg.midlemodes) - 1;  in sysc_enable_module()
1148 		error = -EINVAL;  in sysc_enable_module()
1152 	if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_MSTANDBY)  in sysc_enable_module()
1155 	reg &= ~(SYSC_IDLE_MASK << regbits->midle_shift);  in sysc_enable_module()
1156 	reg |= best_mode << regbits->midle_shift;  in sysc_enable_module()
1161 	if (regbits->autoidle_shift >= 0 &&  in sysc_enable_module()
1162 	    ddata->cfg.sysc_val & BIT(regbits->autoidle_shift)) {  in sysc_enable_module()
1163 		reg |= 1 << regbits->autoidle_shift;  in sysc_enable_module()
1171 	ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]);  in sysc_enable_module()
1173 	if (ddata->module_enable_quirk)  in sysc_enable_module()
1174 		ddata->module_enable_quirk(ddata);  in sysc_enable_module()
1188 		return -EINVAL;  in sysc_best_idle_mode()
1196 	struct sysc *ddata;  in sysc_disable_module()
1202 	if (ddata->offsets[SYSC_SYSCONFIG] == -ENODEV)  in sysc_disable_module()
1205 	if (ddata->module_disable_quirk)  in sysc_disable_module()
1206 		ddata->module_disable_quirk(ddata);  in sysc_disable_module()
1208 	regbits = ddata->cap->regbits;  in sysc_disable_module()
1209 	reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]);  in sysc_disable_module()
1212 	idlemodes = ddata->cfg.midlemodes;  in sysc_disable_module()
1213 	if (!idlemodes || regbits->midle_shift < 0)  in sysc_disable_module()
1222 	if (ddata->cfg.quirks & (SYSC_QUIRK_SWSUP_MSTANDBY) ||  in sysc_disable_module()
1223 	    ddata->cfg.quirks & (SYSC_QUIRK_FORCE_MSTANDBY))  in sysc_disable_module()
1226 	reg &= ~(SYSC_IDLE_MASK << regbits->midle_shift);  in sysc_disable_module()
1227 	reg |= best_mode << regbits->midle_shift;  in sysc_disable_module()
1232 	idlemodes = ddata->cfg.sidlemodes;  in sysc_disable_module()
1233 	if (!idlemodes || regbits->sidle_shift < 0) {  in sysc_disable_module()
1238 	if (ddata->cfg.quirks & SYSC_QUIRK_SWSUP_SIDLE) {  in sysc_disable_module()
1244 			ret = -EINVAL;  in sysc_disable_module()
1249 	reg &= ~(SYSC_IDLE_MASK << regbits->sidle_shift);  in sysc_disable_module()
1250 	reg |= best_mode << regbits->sidle_shift;  in sysc_disable_module()
1251 	if (regbits->autoidle_shift >= 0 &&  in sysc_disable_module()
1252 	    ddata->cfg.sysc_val & BIT(regbits->autoidle_shift))  in sysc_disable_module()
1253 		reg |= 1 << regbits->autoidle_shift;  in sysc_disable_module()
1260 	ddata->sysconfig = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]);  in sysc_disable_module()
1266 						      struct sysc *ddata)  in sysc_runtime_suspend_legacy()
1271 	pdata = dev_get_platdata(ddata->dev);  in sysc_runtime_suspend_legacy()
1275 	if (!pdata->idle_module)  in sysc_runtime_suspend_legacy()
1276 		return -ENODEV;  in sysc_runtime_suspend_legacy()
1278 	error = pdata->idle_module(dev, &ddata->cookie);  in sysc_runtime_suspend_legacy()
1283 	reset_control_assert(ddata->rsts);  in sysc_runtime_suspend_legacy()
1289 						     struct sysc *ddata)  in sysc_runtime_resume_legacy()
1294 	pdata = dev_get_platdata(ddata->dev);  in sysc_runtime_resume_legacy()
1298 	if (!pdata->enable_module)  in sysc_runtime_resume_legacy()
1299 		return -ENODEV;  in sysc_runtime_resume_legacy()
1301 	error = pdata->enable_module(dev, &ddata->cookie);  in sysc_runtime_resume_legacy()
1306 	reset_control_deassert(ddata->rsts);  in sysc_runtime_resume_legacy()
1313 	struct sysc *ddata;  in sysc_runtime_suspend()
1318 	if (!ddata->enabled)  in sysc_runtime_suspend()
1323 	if (ddata->legacy_mode) {  in sysc_runtime_suspend()
1338 	ddata->enabled = false;  in sysc_runtime_suspend()
1343 	reset_control_assert(ddata->rsts);  in sysc_runtime_suspend()
1350 	struct sysc *ddata;  in sysc_runtime_resume()
1355 	if (ddata->enabled)  in sysc_runtime_resume()
1371 	reset_control_deassert(ddata->rsts);  in sysc_runtime_resume()
1373 	if (ddata->legacy_mode) {  in sysc_runtime_resume()
1383 	ddata->enabled = true;  in sysc_runtime_resume()
1408 static int sysc_check_context(struct sysc *ddata)  in sysc_check_context()
1412 	if (!ddata->enabled)  in sysc_check_context()
1413 		return -ENODATA;  in sysc_check_context()
1415 	reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]);  in sysc_check_context()
1416 	if (reg == ddata->sysconfig)  in sysc_check_context()
1419 	return -EACCES;  in sysc_check_context()
1422 static int sysc_reinit_module(struct sysc *ddata, bool leave_enabled)  in sysc_reinit_module()
1424 	struct device *dev = ddata->dev;  in sysc_reinit_module()
1427 	if (ddata->enabled) {  in sysc_reinit_module()
1445 	if (ddata->cfg.quirks & SYSC_QUIRK_RESET_ON_CTX_LOST) {  in sysc_reinit_module()
1450 		sysc_write_sysconfig(ddata, ddata->sysconfig);  in sysc_reinit_module()
1466 	struct sysc *ddata;  in sysc_noirq_suspend()
1470 	if (ddata->cfg.quirks &  in sysc_noirq_suspend()
1474 	if (!ddata->enabled)  in sysc_noirq_suspend()
1477 	ddata->needs_resume = 1;  in sysc_noirq_suspend()
1484 	struct sysc *ddata;  in sysc_noirq_resume()
1489 	if (ddata->cfg.quirks &  in sysc_noirq_resume()
1493 	if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_RESUME) {  in sysc_noirq_resume()
1494 		error = sysc_reinit_module(ddata, ddata->needs_resume);  in sysc_noirq_resume()
1497 	} else if (ddata->needs_resume) {  in sysc_noirq_resume()
1503 	ddata->needs_resume = 0;  in sysc_noirq_resume()
1553 	SYSC_QUIRK("mcpdm", 0x40132000, 0, 0x10, -ENODEV, 0x50000800, 0xffffffff,
1558 	SYSC_QUIRK("aess", 0, 0, 0x10, -ENODEV, 0x40000000, 0xffffffff,
1561 	SYSC_QUIRK("dcan", 0x4ae3c000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff,
1563 	SYSC_QUIRK("dcan", 0x48480000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff,
1567 	SYSC_QUIRK("dss", 0x58000000, 0, -ENODEV, 0x14, 0x00000040, 0xffffffff,
1569 	SYSC_QUIRK("dss", 0x58000000, 0, -ENODEV, 0x14, 0x00000061, 0xffffffff,
1571 	SYSC_QUIRK("dwc3", 0x48880000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
1573 	SYSC_QUIRK("dwc3", 0x488c0000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
1580 	SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50030200, 0xffffffff,
1594 	SYSC_QUIRK("gpu", 0x50000000, 0x14, -ENODEV, -ENODEV, 0x00010201, 0xffffffff, 0),
1595 	SYSC_QUIRK("gpu", 0x50000000, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff,
1597 	SYSC_QUIRK("lcdc", 0, 0, 0x54, -ENODEV, 0x4f201000, 0xffffffff,
1599 	SYSC_QUIRK("mcasp", 0, 0, 0x4, -ENODEV, 0x44306302, 0xffffffff,
1601 	SYSC_QUIRK("rtc", 0, 0x74, 0x78, -ENODEV, 0x4eb01908, 0xffff00f0,
1603 	SYSC_QUIRK("tptc", 0, 0, 0x10, -ENODEV, 0x40006c00, 0xffffefff,
1605 	SYSC_QUIRK("tptc", 0, 0, -ENODEV, -ENODEV, 0x40007c00, 0xffffffff,
1607 	SYSC_QUIRK("sata", 0, 0xfc, 0x1100, -ENODEV, 0x5e412000, 0xffffffff,
1611 	SYSC_QUIRK("usb_host_hs", 0, 0, 0x10, -ENODEV, 0x50700101, 0xffffffff,
1616 	SYSC_QUIRK("usb_otg_hs", 0, 0, 0x10, -ENODEV, 0x4ea2080d, 0xffffffff,
1621 	/* PRUSS on am3, am4 and am5 */
1622 	SYSC_QUIRK("pruss", 0, 0x26000, 0x26004, -ENODEV, 0x47000000, 0xff000000,
1629 	SYSC_QUIRK("adc", 0, 0, 0x10, -ENODEV, 0x47300001, 0xffffffff, 0),
1630 	SYSC_QUIRK("atl", 0, 0, -ENODEV, -ENODEV, 0x0a070100, 0xffffffff, 0),
1631 	SYSC_QUIRK("cm", 0, 0, -ENODEV, -ENODEV, 0x40000301, 0xffffffff, 0),
1632 	SYSC_QUIRK("control", 0, 0, 0x10, -ENODEV, 0x40000900, 0xffffffff, 0),
1635 	SYSC_QUIRK("dcan", 0, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff, 0),
1636 	SYSC_QUIRK("dcan", 0, 0x20, -ENODEV, -ENODEV, 0x4edb1902, 0xffffffff, 0),
1640 	SYSC_QUIRK("dmic", 0, 0, 0x10, -ENODEV, 0x50010000, 0xffffffff, 0),
1645 	SYSC_QUIRK("dwc3", 0, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff, 0),
1649 	SYSC_QUIRK("emif", 0, 0, -ENODEV, -ENODEV, 0x40441403, 0xffff0fff, 0),
1650 	SYSC_QUIRK("emif", 0, 0, -ENODEV, -ENODEV, 0x50440500, 0xffffffff, 0),
1651 	SYSC_QUIRK("epwmss", 0, 0, 0x4, -ENODEV, 0x47400001, 0xffffffff, 0),
1652 	SYSC_QUIRK("gpu", 0, 0x1fc00, 0x1fc10, -ENODEV, 0, 0, 0),
1653 	SYSC_QUIRK("gpu", 0, 0xfe00, 0xfe10, -ENODEV, 0x40000000 , 0xffffffff, 0),
1654 	SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50031d00, 0xffffffff, 0),
1656 	SYSC_QUIRK("iss", 0, 0, 0x10, -ENODEV, 0x40000101, 0xffffffff, 0),
1658 	SYSC_QUIRK("mcasp", 0, 0, 0x4, -ENODEV, 0x44307b02, 0xffffffff, 0),
1659 	SYSC_QUIRK("mcbsp", 0, -ENODEV, 0x8c, -ENODEV, 0, 0, 0),
1660 	SYSC_QUIRK("mcspi", 0, 0, 0x10, -ENODEV, 0x40300a0b, 0xffff00ff, 0),
1662 	SYSC_QUIRK("mailbox", 0, 0, 0x10, -ENODEV, 0x00000400, 0xffffffff, 0),
1663 	SYSC_QUIRK("m3", 0, 0, -ENODEV, -ENODEV, 0x5f580105, 0x0fff0f00, 0),
1665 	SYSC_QUIRK("ocp2scp", 0, 0, -ENODEV, -ENODEV, 0x50060007, 0xffffffff, 0),
1666 	SYSC_QUIRK("padconf", 0, 0, 0x10, -ENODEV, 0x4fff0800, 0xffffffff, 0),
1667 	SYSC_QUIRK("padconf", 0, 0, -ENODEV, -ENODEV, 0x40001100, 0xffffffff, 0),
1668 	SYSC_QUIRK("pcie", 0x51000000, -ENODEV, -ENODEV, -ENODEV, 0, 0, 0),
1669 	SYSC_QUIRK("pcie", 0x51800000, -ENODEV, -ENODEV, -ENODEV, 0, 0, 0),
1670 	SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x40000100, 0xffffffff, 0),
1671 	SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x00004102, 0xffffffff, 0),
1672 	SYSC_QUIRK("prcm", 0, 0, -ENODEV, -ENODEV, 0x40000400, 0xffffffff, 0),
1675 	SYSC_QUIRK("scm", 0, 0, 0x10, -ENODEV, 0x40000900, 0xffffffff, 0),
1676 	SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4e8b0100, 0xffffffff, 0),
1677 	SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x4f000100, 0xffffffff, 0),
1678 	SYSC_QUIRK("scm", 0, 0, -ENODEV, -ENODEV, 0x40000900, 0xffffffff, 0),
1679 	SYSC_QUIRK("scrm", 0, 0, -ENODEV, -ENODEV, 0x00000010, 0xffffffff, 0),
1680 	SYSC_QUIRK("sdio", 0, 0, 0x10, -ENODEV, 0x40202301, 0xffff0ff0, 0),
1684 	SYSC_QUIRK("slimbus", 0, 0, 0x10, -ENODEV, 0x40000902, 0xffffffff, 0),
1685 	SYSC_QUIRK("slimbus", 0, 0, 0x10, -ENODEV, 0x40002903, 0xffffffff, 0),
1686 	SYSC_QUIRK("smartreflex", 0, -ENODEV, 0x24, -ENODEV, 0x00000000, 0xffffffff, 0),
1687 	SYSC_QUIRK("smartreflex", 0, -ENODEV, 0x38, -ENODEV, 0x00000000, 0xffffffff, 0),
1688 	SYSC_QUIRK("spinlock", 0, 0, 0x10, -ENODEV, 0x50020000, 0xffffffff, 0),
1689 	SYSC_QUIRK("rng", 0, 0x1fe0, 0x1fe4, -ENODEV, 0x00000020, 0xffffffff, 0),
1693 	SYSC_QUIRK("timer", 0, 0, 0x10, -ENODEV, 0x50002100, 0xffffffff, 0),
1694 	SYSC_QUIRK("timer", 0, 0, 0x10, -ENODEV, 0x4fff1301, 0xffff00ff, 0),
1695 	SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000040, 0xffffffff, 0),
1696 	SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000011, 0xffffffff, 0),
1697 	SYSC_QUIRK("timer32k", 0, 0, 0x4, -ENODEV, 0x00000060, 0xffffffff, 0),
1698 	SYSC_QUIRK("tpcc", 0, 0, -ENODEV, -ENODEV, 0x40014c00, 0xffffffff, 0),
1701 	SYSC_QUIRK("venc", 0x58003000, 0, -ENODEV, -ENODEV, 0x00000002, 0xffffffff, 0),
1702 	SYSC_QUIRK("vfpe", 0, 0, 0x104, -ENODEV, 0x4d001200, 0xffffffff, 0),
1710 static void sysc_init_early_quirks(struct sysc *ddata)  in sysc_init_early_quirks()
1718 		if (!q->base)  in sysc_init_early_quirks()
1721 		if (q->base != ddata->module_pa)  in sysc_init_early_quirks()
1724 		if (q->rev_offset != ddata->offsets[SYSC_REVISION])  in sysc_init_early_quirks()
1727 		if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG])  in sysc_init_early_quirks()
1730 		if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS])  in sysc_init_early_quirks()
1733 		ddata->name = q->name;  in sysc_init_early_quirks()
1734 		ddata->cfg.quirks |= q->quirks;  in sysc_init_early_quirks()
1739 static void sysc_init_revision_quirks(struct sysc *ddata)  in sysc_init_revision_quirks()
1747 		if (q->base && q->base != ddata->module_pa)  in sysc_init_revision_quirks()
1750 		if (q->rev_offset != ddata->offsets[SYSC_REVISION])  in sysc_init_revision_quirks()
1753 		if (q->sysc_offset != ddata->offsets[SYSC_SYSCONFIG])  in sysc_init_revision_quirks()
1756 		if (q->syss_offset != ddata->offsets[SYSC_SYSSTATUS])  in sysc_init_revision_quirks()
1759 		if (q->revision == ddata->revision ||  in sysc_init_revision_quirks()
1760 		    (q->revision & q->revision_mask) ==  in sysc_init_revision_quirks()
1761 		    (ddata->revision & q->revision_mask)) {  in sysc_init_revision_quirks()
1762 			ddata->name = q->name;  in sysc_init_revision_quirks()
1763 			ddata->cfg.quirks |= q->quirks;  in sysc_init_revision_quirks()
1771  * dispc init rather than top-level DSS init.
1773 static u32 sysc_quirk_dispc(struct sysc *ddata, int dispc_offset,  in sysc_quirk_dispc()
1782 	switch (sysc_soc->soc) {  in sysc_quirk_dispc()
1804 	devm_iounmap(ddata->dev, ddata->module_va);  in sysc_quirk_dispc()
1805 	ddata->module_va = devm_ioremap(ddata->dev,  in sysc_quirk_dispc()
1806 					ddata->module_pa,  in sysc_quirk_dispc()
1807 					ddata->module_size);  in sysc_quirk_dispc()
1808 	if (!ddata->module_va)  in sysc_quirk_dispc()
1809 		return -EIO;  in sysc_quirk_dispc()
1855 static void sysc_pre_reset_quirk_dss(struct sysc *ddata)  in sysc_pre_reset_quirk_dss()
1873 	error = readl_poll_timeout(ddata->module_va + dispc_offset + 0x18,  in sysc_pre_reset_quirk_dss()
1876 		dev_warn(ddata->dev, "%s: timed out %08x !+ %08x\n",  in sysc_pre_reset_quirk_dss()
1879 	if (sysc_soc->soc == SOC_3430) {  in sysc_pre_reset_quirk_dss()
1891 /* 1-wire needs module's internal clocks enabled for reset */
1892 static void sysc_pre_reset_quirk_hdq1w(struct sysc *ddata)  in sysc_pre_reset_quirk_hdq1w()
1903 static void sysc_module_enable_quirk_aess(struct sysc *ddata)  in sysc_module_enable_quirk_aess()
1911 static void sysc_clk_quirk_i2c(struct sysc *ddata, bool enable)  in sysc_clk_quirk_i2c()
1917 	if ((ddata->revision & 0xffffff00) == 0x001f0000)  in sysc_clk_quirk_i2c()
1931 static void sysc_pre_reset_quirk_i2c(struct sysc *ddata)  in sysc_pre_reset_quirk_i2c()
1936 static void sysc_post_reset_quirk_i2c(struct sysc *ddata)  in sysc_post_reset_quirk_i2c()
1942 static void sysc_quirk_rtc(struct sysc *ddata, bool lock)  in sysc_quirk_rtc()
1955 	error = readl_poll_timeout_atomic(ddata->module_va + 0x44, val,  in sysc_quirk_rtc()
1958 		dev_warn(ddata->dev, "rtc busy timeout\n");  in sysc_quirk_rtc()
1965 static void sysc_module_unlock_quirk_rtc(struct sysc *ddata)  in sysc_module_unlock_quirk_rtc()
1970 static void sysc_module_lock_quirk_rtc(struct sysc *ddata)  in sysc_module_lock_quirk_rtc()
1976 static void sysc_module_enable_quirk_otg(struct sysc *ddata)  in sysc_module_enable_quirk_otg()
1983 static void sysc_module_disable_quirk_otg(struct sysc *ddata)  in sysc_module_disable_quirk_otg()
1992 static void sysc_module_enable_quirk_sgx(struct sysc *ddata)  in sysc_module_enable_quirk_sgx()
2001 static void sysc_reset_done_quirk_wdt(struct sysc *ddata)  in sysc_reset_done_quirk_wdt()
2010 	error = readl_poll_timeout(ddata->module_va + wps, val,  in sysc_reset_done_quirk_wdt()
2014 		dev_warn(ddata->dev, "wdt disable step1 failed\n");  in sysc_reset_done_quirk_wdt()
2017 	error = readl_poll_timeout(ddata->module_va + wps, val,  in sysc_reset_done_quirk_wdt()
2021 		dev_warn(ddata->dev, "wdt disable step2 failed\n");  in sysc_reset_done_quirk_wdt()
2024 /* PRUSS needs to set MSTANDBY_INIT inorder to idle properly */
2025 static void sysc_module_disable_quirk_pruss(struct sysc *ddata)  in sysc_module_disable_quirk_pruss()
2029 	reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]);  in sysc_module_disable_quirk_pruss()
2031 	sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg);  in sysc_module_disable_quirk_pruss()
2034 static void sysc_init_module_quirks(struct sysc *ddata)  in sysc_init_module_quirks()
2036 	if (ddata->legacy_mode || !ddata->name)  in sysc_init_module_quirks()
2039 	if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_HDQ1W) {  in sysc_init_module_quirks()
2040 		ddata->pre_reset_quirk = sysc_pre_reset_quirk_hdq1w;  in sysc_init_module_quirks()
2046 	if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) {  in sysc_init_module_quirks()
2047 		ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT;  in sysc_init_module_quirks()
2053 	if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) {  in sysc_init_module_quirks()
2054 		ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c;  in sysc_init_module_quirks()
2055 		ddata->post_reset_quirk = sysc_post_reset_quirk_i2c;  in sysc_init_module_quirks()
2060 	if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_AESS)  in sysc_init_module_quirks()
2061 		ddata->module_enable_quirk = sysc_module_enable_quirk_aess;  in sysc_init_module_quirks()
2063 	if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_DSS_RESET)  in sysc_init_module_quirks()
2064 		ddata->pre_reset_quirk = sysc_pre_reset_quirk_dss;  in sysc_init_module_quirks()
2066 	if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_RTC_UNLOCK) {  in sysc_init_module_quirks()
2067 		ddata->module_unlock_quirk = sysc_module_unlock_quirk_rtc;  in sysc_init_module_quirks()
2068 		ddata->module_lock_quirk = sysc_module_lock_quirk_rtc;  in sysc_init_module_quirks()
2073 	if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_OTG) {  in sysc_init_module_quirks()
2074 		ddata->module_enable_quirk = sysc_module_enable_quirk_otg;  in sysc_init_module_quirks()
2075 		ddata->module_disable_quirk = sysc_module_disable_quirk_otg;  in sysc_init_module_quirks()
2078 	if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_SGX)  in sysc_init_module_quirks()
2079 		ddata->module_enable_quirk = sysc_module_enable_quirk_sgx;  in sysc_init_module_quirks()
2081 	if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_WDT) {  in sysc_init_module_quirks()
2082 		ddata->reset_done_quirk = sysc_reset_done_quirk_wdt;  in sysc_init_module_quirks()
2083 		ddata->module_disable_quirk = sysc_reset_done_quirk_wdt;  in sysc_init_module_quirks()
2086 	if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_PRUSS)  in sysc_init_module_quirks()
2087 		ddata->module_disable_quirk = sysc_module_disable_quirk_pruss;  in sysc_init_module_quirks()
2090 static int sysc_clockdomain_init(struct sysc *ddata)  in sysc_clockdomain_init()
2092 	struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev);  in sysc_clockdomain_init()
2096 	if (!pdata || !pdata->init_clockdomain)  in sysc_clockdomain_init()
2099 	switch (ddata->nr_clocks) {  in sysc_clockdomain_init()
2101 		ick = ddata->clocks[SYSC_ICK];  in sysc_clockdomain_init()
2104 		fck = ddata->clocks[SYSC_FCK];  in sysc_clockdomain_init()
2110 	error = pdata->init_clockdomain(ddata->dev, fck, ick, &ddata->cookie);  in sysc_clockdomain_init()
2111 	if (!error || error == -ENODEV)  in sysc_clockdomain_init()
2118  * Note that pdata->init_module() typically does a reset first. After
2119  * pdata->init_module() is done, PM runtime can be used for the interconnect
2122 static int sysc_legacy_init(struct sysc *ddata)  in sysc_legacy_init()
2124 	struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev);  in sysc_legacy_init()
2127 	if (!pdata || !pdata->init_module)  in sysc_legacy_init()
2130 	error = pdata->init_module(ddata->dev, ddata->mdata, &ddata->cookie);  in sysc_legacy_init()
2131 	if (error == -EEXIST)  in sysc_legacy_init()
2141 static int sysc_reset(struct sysc *ddata)  in sysc_reset()
2146 	sysc_offset = ddata->offsets[SYSC_SYSCONFIG];  in sysc_reset()
2148 	if (ddata->legacy_mode ||  in sysc_reset()
2149 	    ddata->cap->regbits->srst_shift < 0 ||  in sysc_reset()
2150 	    ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)  in sysc_reset()
2153 	sysc_mask = BIT(ddata->cap->regbits->srst_shift);  in sysc_reset()
2155 	if (ddata->pre_reset_quirk)  in sysc_reset()
2156 		ddata->pre_reset_quirk(ddata);  in sysc_reset()
2164 	if (ddata->cfg.srst_udelay)  in sysc_reset()
2165 		usleep_range(ddata->cfg.srst_udelay,  in sysc_reset()
2166 			     ddata->cfg.srst_udelay * 2);  in sysc_reset()
2168 	if (ddata->post_reset_quirk)  in sysc_reset()
2169 		ddata->post_reset_quirk(ddata);  in sysc_reset()
2173 		dev_warn(ddata->dev, "OCP softreset timed out\n");  in sysc_reset()
2175 	if (ddata->reset_done_quirk)  in sysc_reset()
2176 		ddata->reset_done_quirk(ddata);  in sysc_reset()
2187 static int sysc_init_module(struct sysc *ddata)  in sysc_init_module()
2210 	if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT)) {  in sysc_init_module()
2211 		error = reset_control_deassert(ddata->rsts);  in sysc_init_module()
2217 	ddata->revision = sysc_read_revision(ddata);  in sysc_init_module()
2221 	if (ddata->legacy_mode) {  in sysc_init_module()
2227 	if (!ddata->legacy_mode) {  in sysc_init_module()
2228 		error = sysc_enable_module(ddata->dev);  in sysc_init_module()
2235 		dev_err(ddata->dev, "Reset failed with %d\n", error);  in sysc_init_module()
2237 	if (error && !ddata->legacy_mode)  in sysc_init_module()
2238 		sysc_disable_module(ddata->dev);  in sysc_init_module()
2244 	/* No re-enable of clockdomain autoidle to prevent module autoidle */  in sysc_init_module()
2251 	    !(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT))  in sysc_init_module()
2252 		reset_control_assert(ddata->rsts);  in sysc_init_module()
2257 static int sysc_init_sysc_mask(struct sysc *ddata)  in sysc_init_sysc_mask()
2259 	struct device_node *np = ddata->dev->of_node;  in sysc_init_sysc_mask()
2263 	error = of_property_read_u32(np, "ti,sysc-mask", &val);  in sysc_init_sysc_mask()
2267 	ddata->cfg.sysc_val = val & ddata->cap->sysc_mask;  in sysc_init_sysc_mask()
2272 static int sysc_init_idlemode(struct sysc *ddata, u8 *idlemodes,  in sysc_init_idlemode()
2275 	struct device_node *np = ddata->dev->of_node;  in sysc_init_idlemode()
2282 			dev_err(ddata->dev, "invalid idlemode: %i\n", val);  in sysc_init_idlemode()
2283 			return -EINVAL;  in sysc_init_idlemode()
2291 static int sysc_init_idlemodes(struct sysc *ddata)  in sysc_init_idlemodes()
2295 	error = sysc_init_idlemode(ddata, &ddata->cfg.midlemodes,  in sysc_init_idlemodes()
2296 				   "ti,sysc-midle");  in sysc_init_idlemodes()
2300 	error = sysc_init_idlemode(ddata, &ddata->cfg.sidlemodes,  in sysc_init_idlemodes()
2301 				   "ti,sysc-sidle");  in sysc_init_idlemodes()
2313  * Depends on SYSC being parsed first.
2315 static int sysc_init_syss_mask(struct sysc *ddata)  in sysc_init_syss_mask()
2317 	struct device_node *np = ddata->dev->of_node;  in sysc_init_syss_mask()
2321 	error = of_property_read_u32(np, "ti,syss-mask", &val);  in sysc_init_syss_mask()
2323 		if ((ddata->cap->type == TI_SYSC_OMAP4 ||  in sysc_init_syss_mask()
2324 		     ddata->cap->type == TI_SYSC_OMAP4_TIMER) &&  in sysc_init_syss_mask()
2325 		    (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET))  in sysc_init_syss_mask()
2326 			ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS;  in sysc_init_syss_mask()
2331 	if (!(val & 1) && (ddata->cfg.sysc_val & SYSC_OMAP4_SOFTRESET))  in sysc_init_syss_mask()
2332 		ddata->cfg.quirks |= SYSC_QUIRK_RESET_STATUS;  in sysc_init_syss_mask()
2334 	ddata->cfg.syss_mask = val;  in sysc_init_syss_mask()
2343 static int sysc_child_add_named_clock(struct sysc *ddata,  in sysc_child_add_named_clock()
2356 		error = -EEXIST;  in sysc_child_add_named_clock()
2360 	clk = clk_get(ddata->dev, name);  in sysc_child_add_named_clock()
2362 		return -ENODEV;  in sysc_child_add_named_clock()
2366 		error = -ENOMEM;  in sysc_child_add_named_clock()
2373 static int sysc_child_add_clocks(struct sysc *ddata,  in sysc_child_add_clocks()
2378 	for (i = 0; i < ddata->nr_clocks; i++) {  in sysc_child_add_clocks()
2381 						   ddata->clock_roles[i]);  in sysc_child_add_clocks()
2382 		if (error && error != -EEXIST) {  in sysc_child_add_clocks()
2383 			dev_err(ddata->dev, "could not add child clock %s: %i\n",  in sysc_child_add_clocks()
2384 				ddata->clock_roles[i], error);  in sysc_child_add_clocks()
2396 static struct sysc *sysc_child_to_parent(struct device *dev)  in sysc_child_to_parent()
2398 	struct device *parent = dev->parent;  in sysc_child_to_parent()
2400 	if (!parent || parent->type != &sysc_device_type)  in sysc_child_to_parent()
2408 	struct sysc *ddata;  in sysc_child_runtime_suspend()
2417 	if (!ddata->enabled)  in sysc_child_runtime_suspend()
2420 	return sysc_runtime_suspend(ddata->dev);  in sysc_child_runtime_suspend()
2425 	struct sysc *ddata;  in sysc_child_runtime_resume()
2430 	if (!ddata->enabled) {  in sysc_child_runtime_resume()
2431 		error = sysc_runtime_resume(ddata->dev);  in sysc_child_runtime_resume()
2433 			dev_err(ddata->dev,  in sysc_child_runtime_resume()
2443 	struct sysc *ddata;  in sysc_child_suspend_noirq()
2448 	dev_dbg(ddata->dev, "%s %s\n", __func__,  in sysc_child_suspend_noirq()
2449 		ddata->name ? ddata->name : "");  in sysc_child_suspend_noirq()
2468 		error = sysc_runtime_suspend(ddata->dev);  in sysc_child_suspend_noirq()
2476 		ddata->child_needs_resume = true;  in sysc_child_suspend_noirq()
2484 	struct sysc *ddata;  in sysc_child_resume_noirq()
2489 	dev_dbg(ddata->dev, "%s %s\n", __func__,  in sysc_child_resume_noirq()
2490 		ddata->name ? ddata->name : "");  in sysc_child_resume_noirq()
2492 	if (ddata->child_needs_resume) {  in sysc_child_resume_noirq()
2493 		ddata->child_needs_resume = false;  in sysc_child_resume_noirq()
2495 		error = sysc_runtime_resume(ddata->dev);  in sysc_child_resume_noirq()
2497 			dev_err(ddata->dev,  in sysc_child_resume_noirq()
2503 			dev_err(ddata->dev,  in sysc_child_resume_noirq()
2528 	struct sysc *ddata;  in sysc_reinit_modules()
2530 	list_for_each(pos, &sysc_soc->restored_modules) {  in sysc_reinit_modules()
2532 		ddata = module->ddata;  in sysc_reinit_modules()
2533 		sysc_reinit_module(ddata, ddata->enabled);  in sysc_reinit_modules()
2538  * sysc_context_notifier - optionally reset and restore module after idle
2568  * sysc_add_restored - optionally add reset and restore quirk hanlling
2571 static void sysc_add_restored(struct sysc *ddata)  in sysc_add_restored()
2579 	restored_module->ddata = ddata;  in sysc_add_restored()
2581 	mutex_lock(&sysc_soc->list_lock);  in sysc_add_restored()
2583 	list_add(&restored_module->node, &sysc_soc->restored_modules);  in sysc_add_restored()
2585 	if (sysc_soc->nb.notifier_call)  in sysc_add_restored()
2588 	sysc_soc->nb.notifier_call = sysc_context_notifier;  in sysc_add_restored()
2589 	cpu_pm_register_notifier(&sysc_soc->nb);  in sysc_add_restored()
2592 	mutex_unlock(&sysc_soc->list_lock);  in sysc_add_restored()
2596  * sysc_legacy_idle_quirk - handle children in omap_device compatible way
2608 static void sysc_legacy_idle_quirk(struct sysc *ddata, struct device *child)  in sysc_legacy_idle_quirk()
2610 	if (ddata->cfg.quirks & SYSC_QUIRK_LEGACY_IDLE)  in sysc_legacy_idle_quirk()
2618 	struct sysc *ddata;  in sysc_notifier_call()
2650 	{ .name = "ti,no-idle-on-init",
2652 	{ .name = "ti,no-reset-on-init",
2654 	{ .name = "ti,no-idle",
2658 static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np,  in sysc_parse_dts_quirks()
2671 		ddata->cfg.quirks |= sysc_dts_quirks[i].mask;  in sysc_parse_dts_quirks()
2673 			dev_warn(ddata->dev,  in sysc_parse_dts_quirks()
2680 static int sysc_init_dts_quirks(struct sysc *ddata)  in sysc_init_dts_quirks()
2682 	struct device_node *np = ddata->dev->of_node;  in sysc_init_dts_quirks()
2686 	ddata->legacy_mode = of_get_property(np, "ti,hwmods", NULL);  in sysc_init_dts_quirks()
2689 	error = of_property_read_u32(np, "ti,sysc-delay-us", &val);  in sysc_init_dts_quirks()
2692 			dev_warn(ddata->dev, "bad ti,sysc-delay-us: %i\n",  in sysc_init_dts_quirks()
2696 		ddata->cfg.srst_udelay = (u8)val;  in sysc_init_dts_quirks()
2702 static void sysc_unprepare(struct sysc *ddata)  in sysc_unprepare()
2706 	if (!ddata->clocks)  in sysc_unprepare()
2710 		if (!IS_ERR_OR_NULL(ddata->clocks[i]))  in sysc_unprepare()
2711 			clk_unprepare(ddata->clocks[i]);  in sysc_unprepare()
2716  * Common sysc register bits found on omap2, also known as type1
2719 	.dmadisable_shift = -ENODEV,
2748  * SHAM2 (SHA1/MD5) sysc found on omap3, a variant of sysc_regbits_omap2
2752 	.dmadisable_shift = -ENODEV,
2753 	.midle_shift = -ENODEV,
2755 	.clkact_shift = -ENODEV,
2756 	.enwkup_shift = -ENODEV,
2759 	.emufree_shift = -ENODEV,
2773 	.dmadisable_shift = -ENODEV,
2774 	.midle_shift = -ENODEV,
2776 	.clkact_shift = -ENODEV,
2777 	.enwkup_shift = -ENODEV,
2780 	.emufree_shift = -ENODEV,
2790  * Common sysc register bits found on omap4, also known as type2
2796 	.clkact_shift = -ENODEV,
2797 	.enwkup_shift = -ENODEV,
2800 	.autoidle_shift = -ENODEV,
2818  * Common sysc register bits found on omap4, also known as type3
2821 	.dmadisable_shift = -ENODEV,
2824 	.clkact_shift = -ENODEV,
2825 	.enwkup_shift = -ENODEV,
2826 	.srst_shift = -ENODEV,
2827 	.emufree_shift = -ENODEV,
2828 	.autoidle_shift = -ENODEV,
2837  * SmartReflex sysc found on omap34xx
2840 	.dmadisable_shift = -ENODEV,
2841 	.midle_shift = -ENODEV,
2842 	.sidle_shift = -ENODEV,
2844 	.enwkup_shift = -ENODEV,
2845 	.srst_shift = -ENODEV,
2846 	.emufree_shift = -ENODEV,
2847 	.autoidle_shift = -ENODEV,
2859  * SmartReflex sysc found on omap36xx and later
2862 	.dmadisable_shift = -ENODEV,
2863 	.midle_shift = -ENODEV,
2865 	.clkact_shift = -ENODEV,
2867 	.srst_shift = -ENODEV,
2868 	.emufree_shift = -ENODEV,
2869 	.autoidle_shift = -ENODEV,
2889 	.dmadisable_shift = -ENODEV,
2890 	.midle_shift = -ENODEV,
2892 	.clkact_shift = -ENODEV,
2893 	.enwkup_shift = -ENODEV,
2894 	.srst_shift = -ENODEV,
2895 	.emufree_shift = -ENODEV,
2896 	.autoidle_shift = -ENODEV,
2918 	.dmadisable_shift = -ENODEV,
2919 	.midle_shift = -ENODEV,
2921 	.clkact_shift = -ENODEV,
2923 	.srst_shift = -ENODEV,
2924 	.emufree_shift = -ENODEV,
2925 	.autoidle_shift = -ENODEV,
2935 	.dmadisable_shift = -ENODEV,
2936 	.midle_shift = -ENODEV,
2937 	.sidle_shift = -ENODEV,
2938 	.clkact_shift = -ENODEV,
2941 	.emufree_shift = -ENODEV,
2942 	.autoidle_shift = -ENODEV,
2953  * PRUSS found on some AM33xx, AM437x and AM57xx SoCs
2962 static int sysc_init_pdata(struct sysc *ddata)  in sysc_init_pdata()
2964 	struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev);  in sysc_init_pdata()
2970 	mdata = devm_kzalloc(ddata->dev, sizeof(*mdata), GFP_KERNEL);  in sysc_init_pdata()
2972 		return -ENOMEM;  in sysc_init_pdata()
2974 	if (ddata->legacy_mode) {  in sysc_init_pdata()
2975 		mdata->name = ddata->legacy_mode;  in sysc_init_pdata()
2976 		mdata->module_pa = ddata->module_pa;  in sysc_init_pdata()
2977 		mdata->module_size = ddata->module_size;  in sysc_init_pdata()
2978 		mdata->offsets = ddata->offsets;  in sysc_init_pdata()
2979 		mdata->nr_offsets = SYSC_MAX_REGS;  in sysc_init_pdata()
2980 		mdata->cap = ddata->cap;  in sysc_init_pdata()
2981 		mdata->cfg = &ddata->cfg;  in sysc_init_pdata()
2984 	ddata->mdata = mdata;  in sysc_init_pdata()
2989 static int sysc_init_match(struct sysc *ddata)  in sysc_init_match()
2993 	cap = of_device_get_match_data(ddata->dev);  in sysc_init_match()
2995 		return -EINVAL;  in sysc_init_match()
2997 	ddata->cap = cap;  in sysc_init_match()
2998 	if (ddata->cap)  in sysc_init_match()
2999 		ddata->cfg.quirks |= ddata->cap->mod_quirks;  in sysc_init_match()
3006 	struct sysc *ddata;  in ti_sysc_idle()
3008 	ddata = container_of(work, struct sysc, idle_work.work);  in ti_sysc_idle()
3016 	if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE |  in ti_sysc_idle()
3024 	if (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE)  in ti_sysc_idle()
3031 	if (pm_runtime_active(ddata->dev))  in ti_sysc_idle()
3032 		pm_runtime_put_sync(ddata->dev);  in ti_sysc_idle()
3082 		return -ENOMEM;  in sysc_add_disabled()
3084 	disabled_module->base = base;  in sysc_add_disabled()
3086 	mutex_lock(&sysc_soc->list_lock);  in sysc_add_disabled()
3087 	list_add(&disabled_module->node, &sysc_soc->disabled_modules);  in sysc_add_disabled()
3088 	mutex_unlock(&sysc_soc->list_lock);  in sysc_add_disabled()
3097  * Note that we initialize static data shared across all ti-sysc instances
3101 static int sysc_init_static_data(struct sysc *ddata)  in sysc_init_static_data()
3113 		return -ENOMEM;  in sysc_init_static_data()
3115 	mutex_init(&sysc_soc->list_lock);  in sysc_init_static_data()
3116 	INIT_LIST_HEAD(&sysc_soc->disabled_modules);  in sysc_init_static_data()
3117 	INIT_LIST_HEAD(&sysc_soc->restored_modules);  in sysc_init_static_data()
3118 	sysc_soc->general_purpose = true;  in sysc_init_static_data()
3120 	pdata = dev_get_platdata(ddata->dev);  in sysc_init_static_data()
3121 	if (pdata && pdata->soc_type_gp)  in sysc_init_static_data()
3122 		sysc_soc->general_purpose = pdata->soc_type_gp();  in sysc_init_static_data()
3125 	if (match && match->data)  in sysc_init_static_data()
3126 		sysc_soc->soc = (int)match->data;  in sysc_init_static_data()
3130 	 * simple-pm-bus instead of simple-bus in the dtb for genpd using SoCs.  in sysc_init_static_data()
3132 	switch (sysc_soc->soc) {  in sysc_init_static_data()
3139 		WARN_ONCE(np && of_device_is_compatible(np, "simple-bus"),  in sysc_init_static_data()
3140 			  "ti-sysc: Incomplete old dtb, please update\n");  in sysc_init_static_data()
3147 	if (!sysc_soc->general_purpose) {  in sysc_init_static_data()
3148 		switch (sysc_soc->soc) {  in sysc_init_static_data()
3164 	if (match->data)  in sysc_init_static_data()
3165 		features = (unsigned long)match->data;  in sysc_init_static_data()
3191 	if (sysc_soc->nb.notifier_call)  in sysc_cleanup_static_data()
3192 		cpu_pm_unregister_notifier(&sysc_soc->nb);  in sysc_cleanup_static_data()
3194 	mutex_lock(&sysc_soc->list_lock);  in sysc_cleanup_static_data()
3195 	list_for_each_safe(pos, tmp, &sysc_soc->restored_modules) {  in sysc_cleanup_static_data()
3200 	list_for_each_safe(pos, tmp, &sysc_soc->disabled_modules) {  in sysc_cleanup_static_data()
3205 	mutex_unlock(&sysc_soc->list_lock);  in sysc_cleanup_static_data()
3208 static int sysc_check_disabled_devices(struct sysc *ddata)  in sysc_check_disabled_devices()
3214 	mutex_lock(&sysc_soc->list_lock);  in sysc_check_disabled_devices()
3215 	list_for_each(pos, &sysc_soc->disabled_modules) {  in sysc_check_disabled_devices()
3217 		if (ddata->module_pa == disabled_module->base) {  in sysc_check_disabled_devices()
3218 			dev_dbg(ddata->dev, "module disabled for this SoC\n");  in sysc_check_disabled_devices()
3219 			error = -ENODEV;  in sysc_check_disabled_devices()
3223 	mutex_unlock(&sysc_soc->list_lock);  in sysc_check_disabled_devices()
3229  * Ignore timers tagged with no-reset and no-idle. These are likely in use,
3230  * for example by drivers/clocksource/timer-ti-dm-systimer.c. If more checks
3233 static int sysc_check_active_timer(struct sysc *ddata)  in sysc_check_active_timer()
3237 	if (ddata->cap->type != TI_SYSC_OMAP2_TIMER &&  in sysc_check_active_timer()
3238 	    ddata->cap->type != TI_SYSC_OMAP4_TIMER)  in sysc_check_active_timer()
3248 	if (sysc_soc->soc == SOC_3430)  in sysc_check_active_timer()
3249 		error = -ENXIO;  in sysc_check_active_timer()
3251 		error = -EBUSY;  in sysc_check_active_timer()
3253 	if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) &&  in sysc_check_active_timer()
3254 	    (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE))  in sysc_check_active_timer()
3261 	{ .compatible = "simple-bus", },
3267 	struct ti_sysc_platform_data *pdata = dev_get_platdata(&pdev->dev);  in sysc_probe()
3268 	struct sysc *ddata;  in sysc_probe()
3271 	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);  in sysc_probe()
3273 		return -ENOMEM;  in sysc_probe()
3275 	ddata->offsets[SYSC_REVISION] = -ENODEV;  in sysc_probe()
3276 	ddata->offsets[SYSC_SYSCONFIG] = -ENODEV;  in sysc_probe()
3277 	ddata->offsets[SYSC_SYSSTATUS] = -ENODEV;  in sysc_probe()
3278 	ddata->dev = &pdev->dev;  in sysc_probe()
3320 	if (error == -ENXIO)  in sysc_probe()
3321 		ddata->reserved = true;  in sysc_probe()
3337 	pm_runtime_enable(ddata->dev);  in sysc_probe()
3338 	error = pm_runtime_resume_and_get(ddata->dev);  in sysc_probe()
3340 		pm_runtime_disable(ddata->dev);  in sysc_probe()
3345 	if (!(ddata->cfg.quirks &  in sysc_probe()
3352 	if (!(ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT))  in sysc_probe()
3353 		reset_control_assert(ddata->rsts);  in sysc_probe()
3357 	ddata->dev->type = &sysc_device_type;  in sysc_probe()
3359 	if (!ddata->reserved) {  in sysc_probe()
3360 		error = of_platform_populate(ddata->dev->of_node,  in sysc_probe()
3362 					     pdata ? pdata->auxdata : NULL,  in sysc_probe()
3363 					     ddata->dev);  in sysc_probe()
3368 	INIT_DELAYED_WORK(&ddata->idle_work, ti_sysc_idle);  in sysc_probe()
3371 	if (ddata->cfg.quirks & (SYSC_QUIRK_NO_IDLE |  in sysc_probe()
3374 		schedule_delayed_work(&ddata->idle_work, 3000);  in sysc_probe()
3376 		pm_runtime_put(&pdev->dev);  in sysc_probe()
3379 	if (ddata->cfg.quirks & SYSC_QUIRK_REINIT_ON_CTX_LOST)  in sysc_probe()
3385 	pm_runtime_put_sync(&pdev->dev);  in sysc_probe()
3386 	pm_runtime_disable(&pdev->dev);  in sysc_probe()
3395 	struct sysc *ddata = platform_get_drvdata(pdev);  in sysc_remove()
3399 	if (cancel_delayed_work_sync(&ddata->idle_work))  in sysc_remove()
3400 		ti_sysc_idle(&ddata->idle_work.work);  in sysc_remove()
3402 	error = pm_runtime_resume_and_get(ddata->dev);  in sysc_remove()
3404 		pm_runtime_disable(ddata->dev);  in sysc_remove()
3408 	of_platform_depopulate(&pdev->dev);  in sysc_remove()
3410 	pm_runtime_put_sync(&pdev->dev);  in sysc_remove()
3411 	pm_runtime_disable(&pdev->dev);  in sysc_remove()
3413 	if (!reset_control_status(ddata->rsts))  in sysc_remove()
3414 		reset_control_assert(ddata->rsts);  in sysc_remove()
3423 	{ .compatible = "ti,sysc-omap2", .data = &sysc_omap2, },
3424 	{ .compatible = "ti,sysc-omap2-timer", .data = &sysc_omap2_timer, },
3425 	{ .compatible = "ti,sysc-omap4", .data = &sysc_omap4, },
3426 	{ .compatible = "ti,sysc-omap4-timer", .data = &sysc_omap4_timer, },
3427 	{ .compatible = "ti,sysc-omap4-simple", .data = &sysc_omap4_simple, },
3428 	{ .compatible = "ti,sysc-omap3430-sr", .data = &sysc_34xx_sr, },
3429 	{ .compatible = "ti,sysc-omap3630-sr", .data = &sysc_36xx_sr, },
3430 	{ .compatible = "ti,sysc-omap4-sr", .data = &sysc_omap4_sr, },
3431 	{ .compatible = "ti,sysc-omap3-sham", .data = &sysc_omap3_sham, },
3432 	{ .compatible = "ti,sysc-omap-aes", .data = &sysc_omap3_aes, },
3433 	{ .compatible = "ti,sysc-mcasp", .data = &sysc_omap4_mcasp, },
3434 	{ .compatible = "ti,sysc-dra7-mcasp", .data = &sysc_dra7_mcasp, },
3435 	{ .compatible = "ti,sysc-usb-host-fs",
3437 	{ .compatible = "ti,sysc-dra7-mcan", .data = &sysc_dra7_mcan, },
3438 	{ .compatible = "ti,sysc-pruss", .data = &sysc_pruss, },
3447 		.name   = "ti-sysc",
3469 MODULE_DESCRIPTION("TI sysc interconnect target driver");