1 // SPDX-License-Identifier: GPL-2.0-or-later
6 #include <linux/clk-provider.h>
73 	struct clk_main_osc *osc = to_clk_main_osc(hw);  in clk_main_osc_prepare()  local
74 	struct regmap *regmap = osc->regmap;  in clk_main_osc_prepare()
96 	struct clk_main_osc *osc = to_clk_main_osc(hw);  in clk_main_osc_unprepare()  local
97 	struct regmap *regmap = osc->regmap;  in clk_main_osc_unprepare()
113 	struct clk_main_osc *osc = to_clk_main_osc(hw);  in clk_main_osc_is_prepared()  local
114 	struct regmap *regmap = osc->regmap;  in clk_main_osc_is_prepared()
128 	struct clk_main_osc *osc = to_clk_main_osc(hw);  in clk_main_osc_save_context()  local
130 	osc->pms.status = clk_main_osc_is_prepared(hw);  in clk_main_osc_save_context()
137 	struct clk_main_osc *osc = to_clk_main_osc(hw);  in clk_main_osc_restore_context()  local
139 	if (osc->pms.status)  in clk_main_osc_restore_context()
156 			   bool bypass)  in at91_clk_register_main_osc()  argument
158 	struct clk_main_osc *osc;  in at91_clk_register_main_osc()  local
164 		return ERR_PTR(-EINVAL);  in at91_clk_register_main_osc()
166 	osc = kzalloc(sizeof(*osc), GFP_KERNEL);  in at91_clk_register_main_osc()
167 	if (!osc)  in at91_clk_register_main_osc()
168 		return ERR_PTR(-ENOMEM);  in at91_clk_register_main_osc()
179 	osc->hw.init = &init;  in at91_clk_register_main_osc()
180 	osc->regmap = regmap;  in at91_clk_register_main_osc()
182 	if (bypass)  in at91_clk_register_main_osc()
188 	hw = &osc->hw;  in at91_clk_register_main_osc()
189 	ret = clk_hw_register(NULL, &osc->hw);  in at91_clk_register_main_osc()
191 		kfree(osc);  in at91_clk_register_main_osc()
209 	struct clk_main_rc_osc *osc = to_clk_main_rc_osc(hw);  in clk_main_rc_osc_prepare()  local
210 	struct regmap *regmap = osc->regmap;  in clk_main_rc_osc_prepare()
228 	struct clk_main_rc_osc *osc = to_clk_main_rc_osc(hw);  in clk_main_rc_osc_unprepare()  local
229 	struct regmap *regmap = osc->regmap;  in clk_main_rc_osc_unprepare()
243 	struct clk_main_rc_osc *osc = to_clk_main_rc_osc(hw);  in clk_main_rc_osc_is_prepared()  local
244 	struct regmap *regmap = osc->regmap;  in clk_main_rc_osc_is_prepared()
256 	struct clk_main_rc_osc *osc = to_clk_main_rc_osc(hw);  in clk_main_rc_osc_recalc_rate()  local
258 	return osc->frequency;  in clk_main_rc_osc_recalc_rate()
264 	struct clk_main_rc_osc *osc = to_clk_main_rc_osc(hw);  in clk_main_rc_osc_recalc_accuracy()  local
266 	return osc->accuracy;  in clk_main_rc_osc_recalc_accuracy()
271 	struct clk_main_rc_osc *osc = to_clk_main_rc_osc(hw);  in clk_main_rc_osc_save_context()  local
273 	osc->pms.status = clk_main_rc_osc_is_prepared(hw);  in clk_main_rc_osc_save_context()
280 	struct clk_main_rc_osc *osc = to_clk_main_rc_osc(hw);  in clk_main_rc_osc_restore_context()  local
282 	if (osc->pms.status)  in clk_main_rc_osc_restore_context()
301 	struct clk_main_rc_osc *osc;  in at91_clk_register_main_rc_osc()  local
307 		return ERR_PTR(-EINVAL);  in at91_clk_register_main_rc_osc()
309 	osc = kzalloc(sizeof(*osc), GFP_KERNEL);  in at91_clk_register_main_rc_osc()
310 	if (!osc)  in at91_clk_register_main_rc_osc()
311 		return ERR_PTR(-ENOMEM);  in at91_clk_register_main_rc_osc()
319 	osc->hw.init = &init;  in at91_clk_register_main_rc_osc()
320 	osc->regmap = regmap;  in at91_clk_register_main_rc_osc()
321 	osc->frequency = frequency;  in at91_clk_register_main_rc_osc()
322 	osc->accuracy = accuracy;  in at91_clk_register_main_rc_osc()
324 	hw = &osc->hw;  in at91_clk_register_main_rc_osc()
327 		kfree(osc);  in at91_clk_register_main_rc_osc()
351 	return -ETIMEDOUT;  in clk_main_probe_frequency()
374 	return clk_main_probe_frequency(clkmain->regmap);  in clk_rm9200_main_prepare()
382 	regmap_read(clkmain->regmap, AT91_CKGR_MCFR, &status);  in clk_rm9200_main_is_prepared()
392 	return clk_main_recalc_rate(clkmain->regmap, parent_rate);  in clk_rm9200_main_recalc_rate()
413 		return ERR_PTR(-EINVAL);  in at91_clk_register_rm9200_main()
416 		return ERR_PTR(-EINVAL);  in at91_clk_register_rm9200_main()
420 		return ERR_PTR(-ENOMEM);  in at91_clk_register_rm9200_main()
431 	clkmain->hw.init = &init;  in at91_clk_register_rm9200_main()
432 	clkmain->regmap = regmap;  in at91_clk_register_rm9200_main()
434 	hw = &clkmain->hw;  in at91_clk_register_rm9200_main()
435 	ret = clk_hw_register(NULL, &clkmain->hw);  in at91_clk_register_rm9200_main()
456 	struct regmap *regmap = clkmain->regmap;  in clk_sam9x5_main_prepare()
468 	return clk_sam9x5_main_ready(clkmain->regmap);  in clk_sam9x5_main_is_prepared()
476 	return clk_main_recalc_rate(clkmain->regmap, parent_rate);  in clk_sam9x5_main_recalc_rate()
482 	struct regmap *regmap = clkmain->regmap;  in clk_sam9x5_main_set_parent()
486 		return -EINVAL;  in clk_sam9x5_main_set_parent()
512 	regmap_read(clkmain->regmap, AT91_CKGR_MOR, &status);  in clk_sam9x5_main_get_parent()
521 	clkmain->pms.status = clk_main_rc_osc_is_prepared(&clkmain->hw);  in clk_sam9x5_main_save_context()
522 	clkmain->pms.parent = clk_sam9x5_main_get_parent(&clkmain->hw);  in clk_sam9x5_main_save_context()
532 	ret = clk_sam9x5_main_set_parent(hw, clkmain->pms.parent);  in clk_sam9x5_main_restore_context()
536 	if (clkmain->pms.status)  in clk_sam9x5_main_restore_context()
565 		return ERR_PTR(-EINVAL);  in at91_clk_register_sam9x5_main()
568 		return ERR_PTR(-EINVAL);  in at91_clk_register_sam9x5_main()
572 		return ERR_PTR(-ENOMEM);  in at91_clk_register_sam9x5_main()
583 	clkmain->hw.init = &init;  in at91_clk_register_sam9x5_main()
584 	clkmain->regmap = regmap;  in at91_clk_register_sam9x5_main()
585 	regmap_read(clkmain->regmap, AT91_CKGR_MOR, &status);  in at91_clk_register_sam9x5_main()
586 	clkmain->parent = clk_main_parent_select(status);  in at91_clk_register_sam9x5_main()
588 	hw = &clkmain->hw;  in at91_clk_register_sam9x5_main()
589 	ret = clk_hw_register(NULL, &clkmain->hw);  in at91_clk_register_sam9x5_main()