power/regulator/max77686.c

69 static int max77686_buck_volt2hex(int buck, int uV)
78 		/* hex = (uV - 600000) / 12500; */
79 		hex = (uV - MAX77686_BUCK_UV_LMIN) / MAX77686_BUCK_UV_LSTEP;
84 		 * hex = (uV - 750000) / 50000. We assume that dynamic voltage
90 		hex = (uV - MAX77686_BUCK_UV_HMIN) / MAX77686_BUCK_UV_HSTEP;
98 	pr_err("Value: %d uV is wrong for BUCK%d", uV, buck);
104 	unsigned uV = 0;
118 		/* uV = hex * 12500 + 600000; */
119 		uV = hex * MAX77686_BUCK_UV_LSTEP + MAX77686_BUCK_UV_LMIN;
126 		/* uV = hex * 50000 + 750000; */
127 		uV = hex * MAX77686_BUCK_UV_HSTEP + MAX77686_BUCK_UV_HMIN;
131 	return uV;
138 static int max77686_ldo_volt2hex(int ldo, int uV)
149 		hex = (uV - MAX77686_LDO_UV_MIN) / MAX77686_LDO_UV_LSTEP;
150 		/* hex = (uV - 800000) / 25000; */
153 		hex = (uV - MAX77686_LDO_UV_MIN) / MAX77686_LDO_UV_HSTEP;
154 		/* hex = (uV - 800000) / 50000; */
160 	pr_err("Value: %d uV is wrong for LDO%d", uV, ldo);
166 	unsigned int uV = 0;
178 		/* uV = hex * 25000 + 800000; */
179 		uV = hex * MAX77686_LDO_UV_LSTEP + MAX77686_LDO_UV_MIN;
182 		/* uV = hex * 50000 + 800000; */
183 		uV = hex * MAX77686_LDO_UV_HSTEP + MAX77686_LDO_UV_MIN;
186 	return uV;
317 static int max77686_ldo_val(struct udevice *dev, int op, int *uV)
324 		*uV = 0;
343 		*uV = ret;
347 	hex = max77686_ldo_volt2hex(ldo, *uV);
358 static int max77686_buck_val(struct udevice *dev, int op, int *uV)
371 		*uV = 0;
397 		*uV = ret;
401 	hex = max77686_buck_volt2hex(buck, *uV);
673 	int uV;
676 	ret = max77686_ldo_val(dev, PMIC_OP_GET, &uV);
680 	return uV;
683 static int ldo_set_value(struct udevice *dev, int uV)
685 	return max77686_ldo_val(dev, PMIC_OP_SET, &uV);
737 	int uV;
740 	ret = max77686_buck_val(dev, PMIC_OP_GET, &uV);
744 	return uV;
747 static int buck_set_value(struct udevice *dev, int uV)
749 	return max77686_buck_val(dev, PMIC_OP_SET, &uV);