diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile index 64382b9deb..85ab176c0a 100644 --- a/drivers/power/pmic/Makefile +++ b/drivers/power/pmic/Makefile @@ -28,7 +28,6 @@ obj-$(CONFIG_POWER_MAX77696) += pmic_max77696.o obj-$(CONFIG_POWER_MAX8998) += pmic_max8998.o obj-$(CONFIG_POWER_MAX8997) += pmic_max8997.o obj-$(CONFIG_POWER_MUIC_MAX8997) += muic_max8997.o -obj-$(CONFIG_POWER_MAX77686) += pmic_max77686.o obj-$(CONFIG_POWER_PFUZE100) += pmic_pfuze100.o obj-$(CONFIG_POWER_PFUZE3000) += pmic_pfuze3000.o obj-$(CONFIG_POWER_TPS65217) += pmic_tps65217.o diff --git a/drivers/power/pmic/pmic_max77686.c b/drivers/power/pmic/pmic_max77686.c deleted file mode 100644 index 8b3d3f44e5..0000000000 --- a/drivers/power/pmic/pmic_max77686.c +++ /dev/null @@ -1,303 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (C) 2012 Samsung Electronics - * Rajeshwari Shinde - */ - -#include -#include -#include -#include -#include -#include - -DECLARE_GLOBAL_DATA_PTR; - -static const char max77686_buck_addr[] = { - 0xff, 0x10, 0x12, 0x1c, 0x26, 0x30, 0x32, 0x34, 0x36, 0x38 -}; - -static unsigned int max77686_ldo_volt2hex(int ldo, ulong uV) -{ - unsigned int hex = 0; - - switch (ldo) { - case 1: - case 2: - case 6: - case 7: - case 8: - case 15: - hex = (uV - 800000) / 25000; - break; - default: - hex = (uV - 800000) / 50000; - } - - if (hex >= 0 && hex <= MAX77686_LDO_VOLT_MAX_HEX) - return hex; - - debug("%s: %ld is wrong voltage value for LDO%d\n", __func__, uV, ldo); - return 0; -} - -static int max77686_buck_volt2hex(int buck, ulong uV) -{ - int hex = 0; - - if (buck < 5 || buck > 9) { - debug("%s: buck %d is not supported\n", __func__, buck); - return -EINVAL; - } - - hex = (uV - 750000) / 50000; - - if (hex >= 0 && hex <= MAX77686_BUCK_VOLT_MAX_HEX) - return hex; - - debug("%s: %ld is wrong voltage value for BUCK%d\n", - __func__, uV, buck); - return -EINVAL; -} - -int max77686_set_ldo_voltage(struct pmic *p, int ldo, ulong uV) -{ - unsigned int val, ret, hex, adr; - - if (ldo < 1 || ldo > 26) { - printf("%s: %d is wrong ldo number\n", __func__, ldo); - return -EINVAL; - } - - adr = MAX77686_REG_PMIC_LDO1CTRL1 + ldo - 1; - hex = max77686_ldo_volt2hex(ldo, uV); - - if (!hex) - return -EINVAL; - - ret = pmic_reg_read(p, adr, &val); - if (ret) - return ret; - - val &= ~MAX77686_LDO_VOLT_MASK; - val |= hex; - ret |= pmic_reg_write(p, adr, val); - - return ret; -} - -int max77686_set_buck_voltage(struct pmic *p, int buck, ulong uV) -{ - unsigned int val, adr; - int hex, ret; - - if (buck < 5 || buck > 9) { - printf("%s: %d is an unsupported bucket number\n", - __func__, buck); - return -EINVAL; - } - - adr = max77686_buck_addr[buck] + 1; - hex = max77686_buck_volt2hex(buck, uV); - - if (hex < 0) - return hex; - - ret = pmic_reg_read(p, adr, &val); - if (ret) - return ret; - - val &= ~MAX77686_BUCK_VOLT_MASK; - ret |= pmic_reg_write(p, adr, val | hex); - - return ret; -} - -int max77686_set_ldo_mode(struct pmic *p, int ldo, char opmode) -{ - unsigned int val, ret, adr, mode; - - if (ldo < 1 || 26 < ldo) { - printf("%s: %d is wrong ldo number\n", __func__, ldo); - return -EINVAL; - } - - adr = MAX77686_REG_PMIC_LDO1CTRL1 + ldo - 1; - - /* mode */ - switch (opmode) { - case OPMODE_OFF: - mode = MAX77686_LDO_MODE_OFF; - break; - case OPMODE_STANDBY: - switch (ldo) { - case 2: - case 6: - case 7: - case 8: - case 10: - case 11: - case 12: - case 14: - case 15: - case 16: - mode = MAX77686_LDO_MODE_STANDBY; - break; - default: - mode = 0xff; - } - break; - case OPMODE_LPM: - mode = MAX77686_LDO_MODE_LPM; - break; - case OPMODE_ON: - mode = MAX77686_LDO_MODE_ON; - break; - default: - mode = 0xff; - } - - if (mode == 0xff) { - printf("%s: %d is not supported on LDO%d\n", - __func__, opmode, ldo); - return -ENOTSUPP; - } - - ret = pmic_reg_read(p, adr, &val); - if (ret) - return ret; - - val &= ~MAX77686_LDO_MODE_MASK; - val |= mode; - ret |= pmic_reg_write(p, adr, val); - - return ret; -} - -int max77686_set_buck_mode(struct pmic *p, int buck, char opmode) -{ - unsigned int val, ret, mask, adr, size, mode, mode_shift; - - size = ARRAY_SIZE(max77686_buck_addr); - if (buck >= size) { - printf("%s: %d is wrong buck number\n", __func__, buck); - return -EINVAL; - } - - adr = max77686_buck_addr[buck]; - - /* mask */ - switch (buck) { - case 2: - case 3: - case 4: - mode_shift = MAX77686_BUCK_MODE_SHIFT_2; - break; - default: - mode_shift = MAX77686_BUCK_MODE_SHIFT_1; - } - - mask = MAX77686_BUCK_MODE_MASK << mode_shift; - - /* mode */ - switch (opmode) { - case OPMODE_OFF: - mode = MAX77686_BUCK_MODE_OFF << mode_shift; - break; - case OPMODE_STANDBY: - switch (buck) { - case 1: - case 2: - case 3: - case 4: - mode = MAX77686_BUCK_MODE_STANDBY << mode_shift; - break; - default: - mode = 0xff; - } - break; - case OPMODE_LPM: - switch (buck) { - case 2: - case 3: - case 4: - mode = MAX77686_BUCK_MODE_LPM << mode_shift; - break; - default: - mode = 0xff; - } - break; - case OPMODE_ON: - mode = MAX77686_BUCK_MODE_ON << mode_shift; - break; - default: - mode = 0xff; - } - - if (mode == 0xff) { - printf("%s: %d is not supported on BUCK%d\n", - __func__, opmode, buck); - return -ENOTSUPP; - } - - ret = pmic_reg_read(p, adr, &val); - if (ret) - return ret; - - val &= ~mask; - val |= mode; - ret |= pmic_reg_write(p, adr, val); - - return ret; -} - -int pmic_init(unsigned char bus) -{ - static const char name[] = "MAX77686_PMIC"; - struct pmic *p = pmic_alloc(); -#if CONFIG_IS_ENABLED(OF_CONTROL) - const void *blob = gd->fdt_blob; - int node, parent, tmp; -#endif - - if (!p) { - printf("%s: POWER allocation error!\n", __func__); - return -ENOMEM; - } - -#if CONFIG_IS_ENABLED(OF_CONTROL) - node = fdtdec_next_compatible(blob, 0, COMPAT_MAXIM_MAX77686_PMIC); - if (node < 0) { - debug("PMIC: No node for PMIC Chip in device tree\n"); - debug("node = %d\n", node); - return -ENODEV; - } - - parent = fdt_parent_offset(blob, node); - if (parent < 0) { - debug("%s: Cannot find node parent\n", __func__); - return -ENODEV; - } - - /* tmp since p->bus is unsigned */ - tmp = i2c_get_bus_num_fdt(parent); - if (tmp < 0) { - debug("%s: Cannot find I2C bus\n", __func__); - return -ENODEV; - } - p->bus = tmp; - p->hw.i2c.addr = fdtdec_get_int(blob, node, "reg", 9); -#else - p->bus = bus; - p->hw.i2c.addr = MAX77686_I2C_ADDR; -#endif - - p->name = name; - p->interface = PMIC_I2C; - p->number_of_regs = MAX77686_NUM_OF_REGS; - p->hw.i2c.tx_num = 1; - - puts("Board PMIC init\n"); - - return 0; -}