1 // SPDX-License-Identifier: GPL-2.0+
6  * Keerthy <j-keerthy@ti.com>
26 static const char palmas_smps_ctrl[][PALMAS_SMPS_NUM] = {
32 static const char palmas_smps_volt[][PALMAS_SMPS_NUM] = {
38 static const char palmas_ldo_ctrl[][PALMAS_LDO_NUM] = {
44 static const char palmas_ldo_volt[][PALMAS_LDO_NUM] = {
50 static int palmas_smps_enable(struct udevice *dev, int op, bool *enable)  in palmas_smps_enable()  argument
57 	adr = uc_pdata->ctrl_reg;  in palmas_smps_enable()
59 	ret = pmic_reg_read(dev->parent, adr);  in palmas_smps_enable()
67 			*enable = true;  in palmas_smps_enable()
69 			*enable = false;  in palmas_smps_enable()
73 		if (*enable)  in palmas_smps_enable()
78 		ret = pmic_reg_write(dev->parent, adr, ret);  in palmas_smps_enable()
86 static int palmas_smps_volt2hex(int uV)  in palmas_smps_volt2hex()
89 		return -EINVAL;  in palmas_smps_volt2hex()
92 		return (uV - 1000000) / 20000 + 0x6;  in palmas_smps_volt2hex()
97 		return 0x6 + ((uV - 500000) / 10000);  in palmas_smps_volt2hex()
100 static int palmas_smps_hex2volt(int hex, bool range)  in palmas_smps_hex2volt()
105 		return -EINVAL;  in palmas_smps_hex2volt()
110 		uV = 500000 + (hex - 0x6) * 10000;  in palmas_smps_hex2volt()
118 static int palmas_smps_val(struct udevice *dev, int op, int *uV)  in palmas_smps_val()
130 	adr = uc_pdata->volt_reg;  in palmas_smps_val()
132 	ret = pmic_reg_read(dev->parent, adr);  in palmas_smps_val()
160 	return pmic_reg_write(dev->parent, adr, ret);  in palmas_smps_val()
163 static int palmas_ldo_bypass_enable(struct udevice *dev, bool enabled)  in palmas_ldo_bypass_enable()
172 		if (dev->driver_data > 2)  in palmas_ldo_bypass_enable()
173 			return -ENOTSUPP;  in palmas_ldo_bypass_enable()
176 		if (dev->driver_data != 9)  in palmas_ldo_bypass_enable()
177 			return -ENOTSUPP;  in palmas_ldo_bypass_enable()
181 	adr = p->ctrl_reg;  in palmas_ldo_bypass_enable()
183 	reg = pmic_reg_read(dev->parent, adr);  in palmas_ldo_bypass_enable()
192 	return pmic_reg_write(dev->parent, adr, reg);  in palmas_ldo_bypass_enable()
195 static int palmas_ldo_enable(struct udevice *dev, int op, bool *enable)  in palmas_ldo_enable()  argument
202 	adr = uc_pdata->ctrl_reg;  in palmas_ldo_enable()
204 	ret = pmic_reg_read(dev->parent, adr);  in palmas_ldo_enable()
212 			*enable = true;  in palmas_ldo_enable()
214 			*enable = false;  in palmas_ldo_enable()
218 		if (*enable)  in palmas_ldo_enable()
223 		ret = pmic_reg_write(dev->parent, adr, ret);  in palmas_ldo_enable()
228 		if (ret && (ret != -ENOTSUPP))  in palmas_ldo_enable()
235 static int palmas_ldo_volt2hex(int uV)  in palmas_ldo_volt2hex()
238 		return -EINVAL;  in palmas_ldo_volt2hex()
240 	return (uV - 850000) / 50000;  in palmas_ldo_volt2hex()
243 static int palmas_ldo_hex2volt(int hex)  in palmas_ldo_hex2volt()
246 		return -EINVAL;  in palmas_ldo_hex2volt()
254 static int palmas_ldo_val(struct udevice *dev, int op, int *uV)  in palmas_ldo_val()
266 	adr = uc_pdata->volt_reg;  in palmas_ldo_val()
268 	ret = pmic_reg_read(dev->parent, adr);  in palmas_ldo_val()
290 	return pmic_reg_write(dev->parent, adr, ret);  in palmas_ldo_val()
293 static int palmas_ldo_probe(struct udevice *dev)  in palmas_ldo_probe()
303 	uc_pdata->type = REGULATOR_TYPE_LDO;  in palmas_ldo_probe()
305 	if (dev->driver_data) {  in palmas_ldo_probe()
306 		u8 idx = dev->driver_data - 1;  in palmas_ldo_probe()
307 		uc_pdata->ctrl_reg = palmas_ldo_ctrl[type][idx];  in palmas_ldo_probe()
308 		uc_pdata->volt_reg = palmas_ldo_volt[type][idx];  in palmas_ldo_probe()
311 		if (!strcmp("ldoln", dev->name)) {  in palmas_ldo_probe()
312 			uc_pdata->ctrl_reg = palmas_ldo_ctrl[type][9];  in palmas_ldo_probe()
313 			uc_pdata->volt_reg = palmas_ldo_volt[type][9];  in palmas_ldo_probe()
314 		} else if (!strcmp("ldousb", dev->name)) {  in palmas_ldo_probe()
315 			uc_pdata->ctrl_reg = palmas_ldo_ctrl[type][10];  in palmas_ldo_probe()
316 			uc_pdata->volt_reg = palmas_ldo_volt[type][10];  in palmas_ldo_probe()
323 static int ldo_get_value(struct udevice *dev)  in ldo_get_value()
335 static int ldo_set_value(struct udevice *dev, int uV)  in ldo_set_value()
340 static int ldo_get_enable(struct udevice *dev)  in ldo_get_enable()
342 	bool enable = false;  in ldo_get_enable()  local
345 	ret = palmas_ldo_enable(dev, PMIC_OP_GET, &enable);  in ldo_get_enable()
349 	return enable;  in ldo_get_enable()
352 static int ldo_set_enable(struct udevice *dev, bool enable)  in ldo_set_enable()  argument
354 	return palmas_ldo_enable(dev, PMIC_OP_SET, &enable);  in ldo_set_enable()
357 static int palmas_smps_probe(struct udevice *dev)  in palmas_smps_probe()
368 	uc_pdata->type = REGULATOR_TYPE_BUCK;  in palmas_smps_probe()
373 		switch (dev->driver_data) {  in palmas_smps_probe()
376 			uc_pdata->ctrl_reg = palmas_smps_ctrl[type][0];  in palmas_smps_probe()
377 			uc_pdata->volt_reg = palmas_smps_volt[type][0];  in palmas_smps_probe()
380 			uc_pdata->ctrl_reg = palmas_smps_ctrl[type][1];  in palmas_smps_probe()
381 			uc_pdata->volt_reg = palmas_smps_volt[type][1];  in palmas_smps_probe()
384 			uc_pdata->ctrl_reg = palmas_smps_ctrl[type][2];  in palmas_smps_probe()
385 			uc_pdata->volt_reg = palmas_smps_volt[type][2];  in palmas_smps_probe()
392 			idx = dev->driver_data - 3;  in palmas_smps_probe()
393 			uc_pdata->ctrl_reg = palmas_smps_ctrl[type][idx];  in palmas_smps_probe()
394 			uc_pdata->volt_reg = palmas_smps_volt[type][idx];  in palmas_smps_probe()
403 		switch (dev->driver_data) {  in palmas_smps_probe()
409 			idx = dev->driver_data - 1;  in palmas_smps_probe()
410 			uc_pdata->ctrl_reg = palmas_smps_ctrl[type][idx];  in palmas_smps_probe()
411 			uc_pdata->volt_reg = palmas_smps_volt[type][idx];  in palmas_smps_probe()
415 			uc_pdata->ctrl_reg = palmas_smps_ctrl[type][idx];  in palmas_smps_probe()
416 			uc_pdata->volt_reg = palmas_smps_volt[type][idx];  in palmas_smps_probe()
430 static int smps_get_value(struct udevice *dev)  in smps_get_value()
442 static int smps_set_value(struct udevice *dev, int uV)  in smps_set_value()
447 static int smps_get_enable(struct udevice *dev)  in smps_get_enable()
449 	bool enable = false;  in smps_get_enable()  local
452 	ret = palmas_smps_enable(dev, PMIC_OP_GET, &enable);  in smps_get_enable()
456 	return enable;  in smps_get_enable()
459 static int smps_set_enable(struct udevice *dev, bool enable)  in smps_set_enable()  argument
461 	return palmas_smps_enable(dev, PMIC_OP_SET, &enable);  in smps_set_enable()
464 static const struct dm_regulator_ops palmas_ldo_ops = {
478 static const struct dm_regulator_ops palmas_smps_ops = {