588 	unsigned int retries = 100;  in tegra20_powergate_set()
621 				 status == true, 1, 100);  in tegra114_powergate_set()
629 				 status == true, 1, 100);  in tegra114_powergate_set()
707 static int tegra_powergate_prepare_clocks(struct tegra_powergate *pg)  in tegra_powergate_prepare_clocks()  argument
709 	unsigned long safe_rate = 100 * 1000 * 1000;  in tegra_powergate_prepare_clocks()
713 	for (i = 0; i < pg->num_clks; i++) {  in tegra_powergate_prepare_clocks()
714 		pg->clk_rates[i] = clk_get_rate(pg->clks[i]);  in tegra_powergate_prepare_clocks()
716 		if (!pg->clk_rates[i]) {  in tegra_powergate_prepare_clocks()
721 		if (pg->clk_rates[i] <= safe_rate)  in tegra_powergate_prepare_clocks()
730 		err = clk_set_rate(pg->clks[i], safe_rate);  in tegra_powergate_prepare_clocks()
739 		clk_set_rate(pg->clks[i], pg->clk_rates[i]);  in tegra_powergate_prepare_clocks()
744 static int tegra_powergate_unprepare_clocks(struct tegra_powergate *pg)  in tegra_powergate_unprepare_clocks()  argument
749 	for (i = 0; i < pg->num_clks; i++) {  in tegra_powergate_unprepare_clocks()
750 		err = clk_set_rate(pg->clks[i], pg->clk_rates[i]);  in tegra_powergate_unprepare_clocks()
758 static void tegra_powergate_disable_clocks(struct tegra_powergate *pg)  in tegra_powergate_disable_clocks()  argument
762 	for (i = 0; i < pg->num_clks; i++)  in tegra_powergate_disable_clocks()
763 		clk_disable_unprepare(pg->clks[i]);  in tegra_powergate_disable_clocks()
766 static int tegra_powergate_enable_clocks(struct tegra_powergate *pg)  in tegra_powergate_enable_clocks()  argument
771 	for (i = 0; i < pg->num_clks; i++) {  in tegra_powergate_enable_clocks()
772 		err = clk_prepare_enable(pg->clks[i]);  in tegra_powergate_enable_clocks()
781 		clk_disable_unprepare(pg->clks[i]);  in tegra_powergate_enable_clocks()
786 static int tegra_powergate_power_up(struct tegra_powergate *pg,  in tegra_powergate_power_up()  argument
791 	err = reset_control_assert(pg->reset);  in tegra_powergate_power_up()
797 	err = tegra_powergate_set(pg->pmc, pg->id, true);  in tegra_powergate_power_up()
803 	err = tegra_powergate_prepare_clocks(pg);  in tegra_powergate_power_up()
807 	err = tegra_powergate_enable_clocks(pg);  in tegra_powergate_power_up()
813 	err = __tegra_powergate_remove_clamping(pg->pmc, pg->id);  in tegra_powergate_power_up()
819 	err = reset_control_deassert(pg->reset);  in tegra_powergate_power_up()
825 	if (pg->pmc->soc->needs_mbist_war)  in tegra_powergate_power_up()
826 		err = tegra210_clk_handle_mbist_war(pg->id);  in tegra_powergate_power_up()
831 		tegra_powergate_disable_clocks(pg);  in tegra_powergate_power_up()
833 	err = tegra_powergate_unprepare_clocks(pg);  in tegra_powergate_power_up()
840 	tegra_powergate_disable_clocks(pg);  in tegra_powergate_power_up()
844 	tegra_powergate_unprepare_clocks(pg);  in tegra_powergate_power_up()
847 	tegra_powergate_set(pg->pmc, pg->id, false);  in tegra_powergate_power_up()
852 static int tegra_powergate_power_down(struct tegra_powergate *pg)  in tegra_powergate_power_down()  argument
856 	err = tegra_powergate_prepare_clocks(pg);  in tegra_powergate_power_down()
860 	err = tegra_powergate_enable_clocks(pg);  in tegra_powergate_power_down()
866 	err = reset_control_assert(pg->reset);  in tegra_powergate_power_down()
872 	tegra_powergate_disable_clocks(pg);  in tegra_powergate_power_down()
876 	err = tegra_powergate_set(pg->pmc, pg->id, false);  in tegra_powergate_power_down()
880 	err = tegra_powergate_unprepare_clocks(pg);  in tegra_powergate_power_down()
887 	tegra_powergate_enable_clocks(pg);  in tegra_powergate_power_down()
889 	reset_control_deassert(pg->reset);  in tegra_powergate_power_down()
893 	tegra_powergate_disable_clocks(pg);  in tegra_powergate_power_down()
896 	tegra_powergate_unprepare_clocks(pg);  in tegra_powergate_power_down()
903 	struct tegra_powergate *pg = to_powergate(domain);  in tegra_genpd_power_on()  local
904 	struct device *dev = pg->pmc->dev;  in tegra_genpd_power_on()
907 	err = tegra_powergate_power_up(pg, true);  in tegra_genpd_power_on()
910 			pg->genpd.name, err);  in tegra_genpd_power_on()
914 	reset_control_release(pg->reset);  in tegra_genpd_power_on()
922 	struct tegra_powergate *pg = to_powergate(domain);  in tegra_genpd_power_off()  local
923 	struct device *dev = pg->pmc->dev;  in tegra_genpd_power_off()
926 	err = reset_control_acquire(pg->reset);  in tegra_genpd_power_off()
929 			pg->genpd.name, err);  in tegra_genpd_power_off()
933 	err = tegra_powergate_power_down(pg);  in tegra_genpd_power_off()
936 			pg->genpd.name, err);  in tegra_genpd_power_off()
937 		reset_control_release(pg->reset);  in tegra_genpd_power_off()
1006 	struct tegra_powergate *pg;  in tegra_powergate_sequence_power_up()  local
1012 	pg = kzalloc(sizeof(*pg), GFP_KERNEL);  in tegra_powergate_sequence_power_up()
1013 	if (!pg)  in tegra_powergate_sequence_power_up()
1016 	pg->clk_rates = kzalloc(sizeof(*pg->clk_rates), GFP_KERNEL);  in tegra_powergate_sequence_power_up()
1017 	if (!pg->clk_rates) {  in tegra_powergate_sequence_power_up()
1018 		kfree(pg->clks);  in tegra_powergate_sequence_power_up()
1022 	pg->id = id;  in tegra_powergate_sequence_power_up()
1023 	pg->clks = &clk;  in tegra_powergate_sequence_power_up()
1024 	pg->num_clks = 1;  in tegra_powergate_sequence_power_up()
1025 	pg->reset = rst;  in tegra_powergate_sequence_power_up()
1026 	pg->pmc = pmc;  in tegra_powergate_sequence_power_up()
1028 	err = tegra_powergate_power_up(pg, false);  in tegra_powergate_sequence_power_up()
1033 	kfree(pg->clk_rates);  in tegra_powergate_sequence_power_up()
1034 	kfree(pg);  in tegra_powergate_sequence_power_up()
1192 static int tegra_powergate_of_get_clks(struct tegra_powergate *pg,  in tegra_powergate_of_get_clks()  argument
1203 	pg->clks = kcalloc(count, sizeof(clk), GFP_KERNEL);  in tegra_powergate_of_get_clks()
1204 	if (!pg->clks)  in tegra_powergate_of_get_clks()
1207 	pg->clk_rates = kcalloc(count, sizeof(*pg->clk_rates), GFP_KERNEL);  in tegra_powergate_of_get_clks()
1208 	if (!pg->clk_rates) {  in tegra_powergate_of_get_clks()
1209 		kfree(pg->clks);  in tegra_powergate_of_get_clks()
1214 		pg->clks[i] = of_clk_get(np, i);  in tegra_powergate_of_get_clks()
1215 		if (IS_ERR(pg->clks[i])) {  in tegra_powergate_of_get_clks()
1216 			err = PTR_ERR(pg->clks[i]);  in tegra_powergate_of_get_clks()
1221 	pg->num_clks = count;  in tegra_powergate_of_get_clks()
1227 		clk_put(pg->clks[i]);  in tegra_powergate_of_get_clks()
1229 	kfree(pg->clk_rates);  in tegra_powergate_of_get_clks()
1230 	kfree(pg->clks);  in tegra_powergate_of_get_clks()
1235 static int tegra_powergate_of_get_resets(struct tegra_powergate *pg,  in tegra_powergate_of_get_resets()  argument
1238 	struct device *dev = pg->pmc->dev;  in tegra_powergate_of_get_resets()
1241 	pg->reset = of_reset_control_array_get_exclusive_released(np);  in tegra_powergate_of_get_resets()
1242 	if (IS_ERR(pg->reset)) {  in tegra_powergate_of_get_resets()
1243 		err = PTR_ERR(pg->reset);  in tegra_powergate_of_get_resets()
1248 	err = reset_control_acquire(pg->reset);  in tegra_powergate_of_get_resets()
1255 		err = reset_control_assert(pg->reset);  in tegra_powergate_of_get_resets()
1257 		err = reset_control_deassert(pg->reset);  in tegra_powergate_of_get_resets()
1261 		reset_control_release(pg->reset);  in tegra_powergate_of_get_resets()
1266 		reset_control_release(pg->reset);  in tegra_powergate_of_get_resets()
1267 		reset_control_put(pg->reset);  in tegra_powergate_of_get_resets()
1276 	struct tegra_powergate *pg;  in tegra_powergate_add()  local
1280 	pg = kzalloc(sizeof(*pg), GFP_KERNEL);  in tegra_powergate_add()
1281 	if (!pg)  in tegra_powergate_add()
1297 	pg->id = id;  in tegra_powergate_add()
1298 	pg->genpd.name = np->name;  in tegra_powergate_add()
1299 	pg->genpd.power_off = tegra_genpd_power_off;  in tegra_powergate_add()
1300 	pg->genpd.power_on = tegra_genpd_power_on;  in tegra_powergate_add()
1301 	pg->pmc = pmc;  in tegra_powergate_add()
1303 	off = !tegra_powergate_is_powered(pmc, pg->id);  in tegra_powergate_add()
1305 	err = tegra_powergate_of_get_clks(pg, np);  in tegra_powergate_add()
1311 	err = tegra_powergate_of_get_resets(pg, np, off);  in tegra_powergate_add()
1319 			WARN_ON(tegra_powergate_power_up(pg, true));  in tegra_powergate_add()
1324 	err = pm_genpd_init(&pg->genpd, NULL, off);  in tegra_powergate_add()
1331 	err = of_genpd_add_provider_simple(np, &pg->genpd);  in tegra_powergate_add()
1338 	dev_dbg(dev, "added PM domain %s\n", pg->genpd.name);  in tegra_powergate_add()
1343 	pm_genpd_remove(&pg->genpd);  in tegra_powergate_add()
1346 	reset_control_put(pg->reset);  in tegra_powergate_add()
1349 	while (pg->num_clks--)  in tegra_powergate_add()
1350 		clk_put(pg->clks[pg->num_clks]);  in tegra_powergate_add()
1352 	kfree(pg->clks);  in tegra_powergate_add()
1358 	kfree(pg);  in tegra_powergate_add()
1486 	struct tegra_powergate *pg = to_powergate(genpd);  in tegra_powergate_remove()  local
1488 	reset_control_put(pg->reset);  in tegra_powergate_remove()
1490 	while (pg->num_clks--)  in tegra_powergate_remove()
1491 		clk_put(pg->clks[pg->num_clks]);  in tegra_powergate_remove()
1493 	kfree(pg->clks);  in tegra_powergate_remove()
1495 	set_bit(pg->id, pmc->powergates_available);  in tegra_powergate_remove()
1497 	kfree(pg);  in tegra_powergate_remove()
1749 	usleep_range(100, 250);  in tegra_io_pad_set_voltage()