623 lines
17 KiB
C
623 lines
17 KiB
C
/*
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* Copyright (c) 2024 Cirrus Logic, Inc.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define DT_DRV_COMPAT cirrus_cp9314
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#include <zephyr/device.h>
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#include <zephyr/devicetree.h>
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#include <zephyr/drivers/gpio.h>
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#include <zephyr/drivers/i2c.h>
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#include <zephyr/kernel.h>
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#include <zephyr/logging/log.h>
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#include <zephyr/drivers/regulator.h>
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#include <zephyr/sys_clock.h>
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#include <zephyr/sys/util.h>
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LOG_MODULE_REGISTER(CP9314, CONFIG_REGULATOR_LOG_LEVEL);
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#define CP9314_REG_DEVICE_ID 0x0
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#define CP9314_DEV_ID 0xA4
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#define CP9314_REG_VOUT_UVP 0x2
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#define CP9314_VOUT_UVP_DIS_0 BIT(7)
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#define CP9314_VOUT_UVP_DIS_1 BIT(3)
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#define CP9314_VOUT_UVP_DIS CP9314_VOUT_UVP_DIS_0 | CP9314_VOUT_UVP_DIS_1
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#define CP9314_VOUT_UVP GENMASK(1, 0)
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#define CP9314_REG_OPTION_REG_1 0x3
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#define CP9314_LB1_DELAY_CFG GENMASK(5, 4)
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#define CP9314_LB1_DELTA_CFG_0 GENMASK(3, 0)
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#define CP9314_REG_OPTION_REG_2 0x4
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#define CP9314_LB2_DELTA_CFG_0 GENMASK(7, 5)
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#define CP9314_MODE_CTRL_MIN_FREQ_0 GENMASK(2, 0)
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#define CP9314_REG_IIN_OCP 0x5
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#define CP9314_IIN_OCP_DIS BIT(7)
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#define CP9314_TM_IIN_OC_CFG GENMASK(2, 0)
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#define CP9314_REG_IIN_PEAK_OCP 0x6
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#define CP9314_IIN_PEAK_OCP_DIS BIT(7)
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#define CP9314_IIN_PEAK_OCP GENMASK(2, 0)
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#define CP9314_REG_VIN2OUT_OVP 0x7
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#define CP9314_VIN2OUT_OVP GENMASK(1, 0)
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#define CP9314_REG_VIN2OUT_UVP 0x8
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#define CP9314_VIN2OUT_UVP GENMASK(1, 0)
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#define CP9314_REG_CONVERTER 0x9
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#define CP9314_FASTSHDN_PIN_STS BIT(6)
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#define CP9314_PGOOD_PIN_STS BIT(5)
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#define CP9314_ACTIVE_STS BIT(1)
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#define CP9314_REG_CTRL1 0xA
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#define CP9314_CP_EN BIT(7)
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#define CP9314_MODE_CTRL_EN BIT(3)
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#define CP9314_REG_CTRL4 0xD
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#define CP9314_SYNC_FUNCTION_EN BIT(7)
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#define CP9314_SYNC_HOST_EN BIT(6)
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#define CP9314_FRC_SYNC_MODE BIT(5)
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#define CP9314_FRC_OP_MODE BIT(3)
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#define CP9314_MODE_MASK GENMASK(2, 0)
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#define CP9314_MODE_2TO1 1
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#define CP9314_MODE_3TO1 2
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#define CP9314_REG_FLT_FLAG 0x12
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#define CP9314_VIN_OVP_FLAG BIT(1)
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#define CP9314_VOUT_OVP_FLAG BIT(0)
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#define CP9314_REG_COMP_FLAG0 0x2A
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#define CP9314_IIN_OCP_FLAG BIT(4)
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#define CP9314_REG_COMP_FLAG1 0x2C
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#define CP9314_VIN2OUT_OVP_FLAG BIT(0)
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#define CP9314_REG_LION_CFG_1 0x31
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#define CP9314_LB2_DELTA_CFG_1 GENMASK(7, 5)
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#define CP9314_REG_LION_INT_MASK_2 0x32
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#define CP9314_CLEAR_INT BIT(6)
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#define CP9314_REG_LION_CFG_3 0x34
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#define CP9314_LB_MIN_FREQ_SEL_0 GENMASK(7, 6)
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#define CP9314_MODE_CTRL_UPDATE_BW_1 GENMASK(5, 3)
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#define CP9314_REG_LB_CTRL 0x38
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#define CP9314_LB1_DELTA_CFG_1 GENMASK(6, 3)
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#define CP9314_LB_MIN_FREQ_SEL_1 GENMASK(2, 1)
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#define CP9314_REG_CRUS_CTRL 0x40
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#define CP9314_CRUS_KEY_LOCK 0x0
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#define CP9314_CRUS_KEY_UNLOCK 0xAA
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#define CP9314_CRUS_KEY_SOFT_RESET 0xC6
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#define CP9314_REG_TRIM_5 0x46
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#define CP9314_CSI_CHOP_EN BIT(2)
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#define CP9314_REG_TRIM_8 0x49
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#define CP9314_MODE_CTRL_UPDATE_BW_0 GENMASK(2, 0)
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#define CP9314_REG_TRIM_9 0x4A
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#define CP9314_FORCE_KEY_POLARITY BIT(2)
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#define CP9314_TM_KEY_POLARITY BIT(1)
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#define CP9314_KEY_ACTIVE_LOW 0
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#define CP9314_KEY_ACTIVE_HIGH CP9314_TM_KEY_POLARITY
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#define CP9314_REG_BST_CP_PD_CFG 0x58
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#define CP9314_LB1_BLANK_CFG BIT(5)
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#define CP9314_REG_CFG_9 0x59
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#define CP9314_VOUT_PCHG_TIME_CFG_0 GENMASK(2, 1)
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#define CP9314_REG_CFG_10 0x5A
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#define CP9314_VOUT_PCHG_TIME_CFG_1 GENMASK(1, 0)
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#define CP9314_REG_BC_STS_C 0x62
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#define CP9314_CHIP_REV_MASK GENMASK(7, 4)
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#define CP9314_CHIP_REV_B0 0x10
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#define CP9314_REG_FORCE_SC_MISC 0x69
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#define CP9314_FORCE_CSI_EN BIT(0)
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#define CP9314_REG_TSBAT_CTRL 0x72
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#define CP9314_LB1_STOP_PHASE_SEL BIT(4)
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#define CP9314_REG_TEST_MODE_CTRL 0x66
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#define CP9314_SOFT_RESET_REQ BIT(0)
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#define CP9314_REG_LION_COMP_CTRL_1 0x79
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#define CP9314_VIN_SWITCH_OK_DIS_0 BIT(3)
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#define CP9314_VOUT_OV_CFG_0 GENMASK(5, 4)
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#define CP9314_VIN_SWITCH_OK_CFG GENMASK(1, 0)
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#define CP9314_REG_LION_COMP_CTRL_2 0x7A
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#define CP9314_VOUT_OV_CFG_1 GENMASK(3, 2)
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#define CP9314_REG_LION_COMP_CTRL_3 0x7B
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#define CP9314_VIN_OV_CFG_0 GENMASK(4, 3)
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#define CP9314_VIN_OV_CFG_1 GENMASK(1, 0)
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#define CP9314_VIN_OV_CFG CP9314_VIN_OV_CFG_0 | CP9314_VIN_OV_CFG_1
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#define CP9314_REG_LION_COMP_CTRL_4 0x7C
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#define CP9314_FORCE_IIN_OC_CFG BIT(1)
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#define CP9314_VIN_SWITCH_OK_DIS_1 BIT(5)
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#define CP9314_REG_PTE_REG_2 0x8B
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#define CP9314_PTE_2_MASK GENMASK(7, 5)
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#define CP9314_PTE_2_OTP_1 0x0
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#define CP9314_PTE_2_OTP_2 0x1
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#define CP9314_FAULT1_STS 0x9A
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#define CP9314_VIN_OV_STS BIT(4)
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#define CP9314_SYS_STS 0x98
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#define CP9314_VIN_UV_STS BIT(7)
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#define CP9314_REG_TM_SEQ_CTRL_1 0xAA
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#define CP9314_TM_CSI_EN BIT(5)
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#define CP9314_REG_STS_PIN_ADC_0 0xB4
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#define CP9314_STS_PROG_LVL GENMASK(7, 4)
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#define CP9314_STS_ADDR_LVL GENMASK(3, 0)
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#define CP9314_SOFT_RESET_DELAY_MSEC 200
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#define CP9314_EN_DEBOUNCE_USEC 3000
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#define CP9314_T_STARTUP_MSEC 120
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#define CP9314_DEVICE_MODE_HOST_4GANG_0x78 0x0
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#define CP9314_DEVICE_MODE_HOST_4GANG_0x72 0x1
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#define CP9314_DEVICE_MODE_HOST_3GANG_0x78 0x2
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#define CP9314_DEVICE_MODE_HOST_3GANG_0x72 0x3
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#define CP9314_DEVICE_MODE_HOST_2GANG_0x78 0x4
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#define CP9314_DEVICE_MODE_HOST_2GANG_0x72 0x5
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#define CP9314_DEVICE_MODE_HOST_STANDALONE_0x78 0x6
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#define CP9314_DEVICE_MODE_HOST_STANDALONE_0x72 0x7
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#define CP9314_DEVICE_MODE_DEVICE_4_0x68 0x8
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#define CP9314_DEVICE_MODE_DEVICE_4_0x54 0x9
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#define CP9314_DEVICE_MODE_DEVICE_3_0x56 0xA
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#define CP9314_DEVICE_MODE_DEVICE_3_0x53 0xB
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#define CP9314_DEVICE_MODE_DEVICE_2_0x79 0xC
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#define CP9314_DEVICE_MODE_DEVICE_2_0x73 0xD
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enum cp9314_sync_roles {
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CP9314_ROLE_HOST,
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CP9314_ROLE_DEV2,
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CP9314_ROLE_DEV3,
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CP9314_ROLE_DEV4,
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CP9314_ROLE_STANDALONE,
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};
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struct regulator_cp9314_config {
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struct regulator_common_config common;
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struct i2c_dt_spec i2c;
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struct gpio_dt_spec en_pin;
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struct gpio_dt_spec pgood_pin;
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uint8_t initial_op_mode_idx;
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};
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struct regulator_cp9314_data {
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struct regulator_common_data data;
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enum cp9314_sync_roles sync_role;
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};
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struct cp9314_reg_patch {
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uint8_t reg_addr;
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uint8_t mask;
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uint8_t value;
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};
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/*
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* HW errata patch for B0 silicon. Intended to correct POR configuration values for protection
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* comparators, disable OCP comparators, and enable the output undervoltage comparator.
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*/
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static struct cp9314_reg_patch b0_reg_patch[18] = {
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{CP9314_REG_CRUS_CTRL, GENMASK(7, 0), CP9314_CRUS_KEY_UNLOCK},
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{CP9314_REG_LION_COMP_CTRL_3, CP9314_VIN_OV_CFG, 0x1B},
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{CP9314_REG_LION_COMP_CTRL_1, CP9314_VOUT_OV_CFG_0, 0x30},
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{CP9314_REG_LION_COMP_CTRL_2, CP9314_VOUT_OV_CFG_1, 0xC},
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{CP9314_REG_VIN2OUT_OVP, CP9314_VIN2OUT_OVP, 0x2},
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{CP9314_REG_VIN2OUT_UVP, CP9314_VIN2OUT_UVP, 0x1},
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{CP9314_REG_VOUT_UVP, CP9314_VOUT_UVP_DIS, 0},
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{CP9314_REG_VOUT_UVP, CP9314_VOUT_UVP, 0},
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{CP9314_REG_LION_COMP_CTRL_1, CP9314_VIN_SWITCH_OK_DIS_0, 0},
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{CP9314_REG_LION_COMP_CTRL_4, CP9314_VIN_SWITCH_OK_DIS_1, 0},
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{CP9314_REG_LION_COMP_CTRL_1, CP9314_VIN_SWITCH_OK_CFG, 0},
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{CP9314_REG_LION_CFG_3, CP9314_LB_MIN_FREQ_SEL_0, 0x80},
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{CP9314_REG_LB_CTRL, CP9314_LB_MIN_FREQ_SEL_1, 0x4},
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{CP9314_REG_TRIM_8, CP9314_MODE_CTRL_UPDATE_BW_0, 0x2},
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{CP9314_REG_LION_CFG_3, CP9314_MODE_CTRL_UPDATE_BW_1, 0x2},
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{CP9314_REG_IIN_OCP, CP9314_IIN_OCP_DIS, CP9314_IIN_OCP_DIS},
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{CP9314_REG_IIN_PEAK_OCP, CP9314_IIN_PEAK_OCP_DIS, CP9314_IIN_PEAK_OCP_DIS},
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{CP9314_REG_CRUS_CTRL, GENMASK(7, 0), CP9314_CRUS_KEY_LOCK},
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};
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/* OTP memory errata patch for OTP v1. Corrects trim errata. */
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static struct cp9314_reg_patch otp_1_patch[3] = {
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{CP9314_REG_OPTION_REG_1, CP9314_LB1_DELAY_CFG, 0},
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{CP9314_REG_BST_CP_PD_CFG, CP9314_LB1_BLANK_CFG, CP9314_LB1_BLANK_CFG},
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{CP9314_REG_TSBAT_CTRL, CP9314_LB1_STOP_PHASE_SEL, CP9314_LB1_STOP_PHASE_SEL},
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};
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static int regulator_cp9314_get_error_flags(const struct device *dev,
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regulator_error_flags_t *flags)
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{
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const struct regulator_cp9314_config *config = dev->config;
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uint8_t val[3];
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int ret;
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*flags = 0U;
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ret = i2c_reg_read_byte_dt(&config->i2c, CP9314_REG_FLT_FLAG, &val[0]);
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if (ret < 0) {
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return ret;
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}
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if (FIELD_GET(CP9314_VIN_OVP_FLAG, val[0]) || FIELD_GET(CP9314_VOUT_OVP_FLAG, val[0])) {
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*flags |= REGULATOR_ERROR_OVER_VOLTAGE;
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}
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ret = i2c_reg_read_byte_dt(&config->i2c, CP9314_REG_COMP_FLAG0, &val[1]);
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if (ret < 0) {
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return ret;
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}
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if (FIELD_GET(CP9314_IIN_OCP_FLAG, val[1])) {
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*flags |= REGULATOR_ERROR_OVER_CURRENT;
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}
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ret = i2c_reg_read_byte_dt(&config->i2c, CP9314_REG_COMP_FLAG1, &val[2]);
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if (ret < 0) {
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return ret;
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}
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if (FIELD_GET(CP9314_VIN2OUT_OVP_FLAG, val[2])) {
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*flags |= REGULATOR_ERROR_OVER_VOLTAGE;
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}
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LOG_DBG("FLT_FLAG = 0x%x, COMP_FLAG0 = 0x%x, COMP_FLAG1 = 0x%x", val[0], val[1], val[2]);
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return 0;
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}
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static int regulator_cp9314_disable(const struct device *dev)
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{
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const struct regulator_cp9314_config *config = dev->config;
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if (config->en_pin.port != NULL) {
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return gpio_pin_set_dt(&config->en_pin, 0);
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}
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return i2c_reg_update_byte_dt(&config->i2c, CP9314_REG_CTRL1, CP9314_CP_EN, 0);
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}
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static int regulator_cp9314_enable(const struct device *dev)
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{
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const struct regulator_cp9314_config *config = dev->config;
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uint8_t value;
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int ret;
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ret = i2c_reg_read_byte_dt(&config->i2c, CP9314_REG_CONVERTER, &value);
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if (ret < 0) {
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return ret;
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}
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if (value & CP9314_ACTIVE_STS) {
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return 0;
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}
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ret = i2c_reg_update_byte_dt(&config->i2c, CP9314_REG_LION_INT_MASK_2, CP9314_CLEAR_INT,
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CP9314_CLEAR_INT);
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if (ret < 0) {
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return ret;
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}
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ret = i2c_reg_update_byte_dt(&config->i2c, CP9314_REG_LION_INT_MASK_2, CP9314_CLEAR_INT, 0);
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if (ret < 0) {
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return ret;
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}
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if (config->en_pin.port != NULL) {
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ret = gpio_pin_set_dt(&config->en_pin, 1);
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if (ret < 0) {
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return ret;
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}
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} else {
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ret = i2c_reg_update_byte_dt(&config->i2c, CP9314_REG_CTRL1, CP9314_CP_EN,
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CP9314_CP_EN);
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if (ret < 0) {
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LOG_ERR("Unable to set CP_EN");
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return ret;
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}
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}
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k_msleep(CP9314_T_STARTUP_MSEC);
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if (config->pgood_pin.port != NULL) {
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ret = gpio_pin_get_dt(&config->pgood_pin);
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if (ret < 0) {
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return ret;
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} else if (ret == 0) {
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return -EINVAL;
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}
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} else {
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ret = i2c_reg_read_byte_dt(&config->i2c, CP9314_REG_CONVERTER, &value);
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if (ret < 0) {
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return ret;
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} else if (FIELD_GET(CP9314_PGOOD_PIN_STS, value) == 0U) {
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return -EINVAL;
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}
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}
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return 0;
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}
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static int cp9314_cfg_sync(const struct device *dev)
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{
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const struct regulator_cp9314_config *config = dev->config;
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struct regulator_cp9314_data *data = dev->data;
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uint8_t value = 0;
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int ret;
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if (data->sync_role == CP9314_ROLE_HOST) {
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value = CP9314_SYNC_HOST_EN;
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}
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ret = i2c_reg_update_byte_dt(&config->i2c, CP9314_REG_CTRL4, CP9314_SYNC_HOST_EN, value);
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if (ret < 0) {
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return ret;
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}
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ret = i2c_reg_update_byte_dt(&config->i2c, CP9314_REG_CTRL4, CP9314_SYNC_FUNCTION_EN,
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CP9314_SYNC_FUNCTION_EN);
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if (ret < 0) {
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return ret;
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}
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return i2c_reg_update_byte_dt(&config->i2c, CP9314_REG_CTRL4, CP9314_FRC_SYNC_MODE,
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CP9314_FRC_SYNC_MODE);
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}
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static int regulator_cp9314_b0_init(const struct device *dev)
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{
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const struct regulator_cp9314_config *config = dev->config;
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int ret;
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for (size_t i = 0U; i < ARRAY_SIZE(b0_reg_patch); i++) {
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ret = i2c_reg_update_byte_dt(&config->i2c, b0_reg_patch[i].reg_addr,
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b0_reg_patch[i].mask, b0_reg_patch[i].value);
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if (ret < 0) {
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return ret;
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}
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}
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return 0;
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}
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static int cp9314_do_soft_reset(const struct device *dev)
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{
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const struct regulator_cp9314_config *config = dev->config;
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int ret;
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ret = i2c_reg_write_byte_dt(&config->i2c, CP9314_REG_CRUS_CTRL, CP9314_CRUS_KEY_SOFT_RESET);
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if (ret < 0) {
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return ret;
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}
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ret = i2c_reg_update_byte_dt(&config->i2c, CP9314_REG_TEST_MODE_CTRL, CP9314_SOFT_RESET_REQ,
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CP9314_SOFT_RESET_REQ);
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if (ret < 0) {
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return ret;
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}
|
|
|
|
k_msleep(CP9314_SOFT_RESET_DELAY_MSEC);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int regulator_cp9314_otp_init(const struct device *dev)
|
|
{
|
|
const struct regulator_cp9314_config *config = dev->config;
|
|
uint8_t value;
|
|
int i, ret;
|
|
|
|
/*
|
|
* The PTE_2 field in the PTE_REG_2 register contains the value representing the OTP
|
|
* burned on the CP9314 device. The PTE_2 values in relation to the OTP table names
|
|
* are shown below.
|
|
*
|
|
* OTP-1 = 0x0, OTP-2 = 0x1, OTP-3 = 0x3, OTP-4 = 0x4
|
|
*/
|
|
|
|
ret = i2c_reg_read_byte_dt(&config->i2c, CP9314_REG_PTE_REG_2, &value);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
value = FIELD_GET(CP9314_PTE_2_MASK, value);
|
|
|
|
ret = i2c_reg_write_byte_dt(&config->i2c, CP9314_REG_CRUS_CTRL, CP9314_CRUS_KEY_UNLOCK);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
if (value == CP9314_PTE_2_OTP_1) {
|
|
for (i = 0; i < ARRAY_SIZE(otp_1_patch); i++) {
|
|
i2c_reg_update_byte_dt(&config->i2c, otp_1_patch[i].reg_addr,
|
|
otp_1_patch[i].mask, otp_1_patch[i].value);
|
|
}
|
|
}
|
|
|
|
if (value <= CP9314_PTE_2_OTP_2) {
|
|
i2c_reg_update_byte_dt(&config->i2c, CP9314_REG_CFG_9, CP9314_VOUT_PCHG_TIME_CFG_0,
|
|
0);
|
|
}
|
|
|
|
return i2c_reg_write_byte_dt(&config->i2c, CP9314_REG_CRUS_CTRL, CP9314_CRUS_KEY_LOCK);
|
|
}
|
|
|
|
static int regulator_cp9314_init(const struct device *dev)
|
|
{
|
|
const struct regulator_cp9314_config *config = dev->config;
|
|
struct regulator_cp9314_data *data = dev->data;
|
|
uint8_t value;
|
|
int ret;
|
|
|
|
if (!i2c_is_ready_dt(&config->i2c)) {
|
|
LOG_ERR("Bus device is not ready");
|
|
return -ENODEV;
|
|
}
|
|
|
|
ret = i2c_reg_read_byte_dt(&config->i2c, CP9314_REG_DEVICE_ID, &value);
|
|
if (ret < 0) {
|
|
LOG_ERR("No device found:%d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
if (value != CP9314_DEV_ID) {
|
|
LOG_ERR("Invalid device ID found:0x%x!\n", value);
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
if (config->pgood_pin.port != NULL) {
|
|
if (!gpio_is_ready_dt(&config->pgood_pin)) {
|
|
return -ENODEV;
|
|
}
|
|
|
|
ret = gpio_pin_configure_dt(&config->pgood_pin, GPIO_INPUT);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (config->en_pin.port != NULL) {
|
|
if (!gpio_is_ready_dt(&config->en_pin)) {
|
|
return -ENODEV;
|
|
}
|
|
|
|
ret = gpio_pin_configure_dt(&config->en_pin, GPIO_OUTPUT_INACTIVE);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
k_usleep(CP9314_EN_DEBOUNCE_USEC);
|
|
}
|
|
|
|
ret = cp9314_do_soft_reset(dev);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
ret = i2c_reg_read_byte_dt(&config->i2c, CP9314_REG_BC_STS_C, &value);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
value &= CP9314_CHIP_REV_MASK;
|
|
|
|
switch (value) {
|
|
case CP9314_CHIP_REV_B0:
|
|
LOG_INF("Found CP9314 REV:0x%x\n", value);
|
|
ret = regulator_cp9314_b0_init(dev);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
break;
|
|
default:
|
|
LOG_ERR("Invalid CP9314 REV:0x%x\n", value);
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
ret = regulator_cp9314_otp_init(dev);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
ret = i2c_reg_update_byte_dt(&config->i2c, CP9314_REG_CTRL4, CP9314_FRC_OP_MODE,
|
|
CP9314_FRC_OP_MODE);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
ret = i2c_reg_read_byte_dt(&config->i2c, CP9314_REG_STS_PIN_ADC_0, &value);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
value = FIELD_PREP(CP9314_STS_ADDR_LVL, value);
|
|
|
|
switch (value) {
|
|
case CP9314_DEVICE_MODE_HOST_4GANG_0x78:
|
|
case CP9314_DEVICE_MODE_HOST_4GANG_0x72:
|
|
case CP9314_DEVICE_MODE_HOST_3GANG_0x78:
|
|
case CP9314_DEVICE_MODE_HOST_3GANG_0x72:
|
|
case CP9314_DEVICE_MODE_HOST_2GANG_0x78:
|
|
case CP9314_DEVICE_MODE_HOST_2GANG_0x72:
|
|
data->sync_role = CP9314_ROLE_HOST;
|
|
break;
|
|
case CP9314_DEVICE_MODE_HOST_STANDALONE_0x78:
|
|
case CP9314_DEVICE_MODE_HOST_STANDALONE_0x72:
|
|
data->sync_role = CP9314_ROLE_STANDALONE;
|
|
break;
|
|
case CP9314_DEVICE_MODE_DEVICE_4_0x68:
|
|
case CP9314_DEVICE_MODE_DEVICE_4_0x54:
|
|
data->sync_role = CP9314_ROLE_DEV4;
|
|
break;
|
|
case CP9314_DEVICE_MODE_DEVICE_3_0x56:
|
|
case CP9314_DEVICE_MODE_DEVICE_3_0x53:
|
|
data->sync_role = CP9314_ROLE_DEV3;
|
|
break;
|
|
case CP9314_DEVICE_MODE_DEVICE_2_0x79:
|
|
case CP9314_DEVICE_MODE_DEVICE_2_0x73:
|
|
data->sync_role = CP9314_ROLE_DEV2;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (data->sync_role != CP9314_ROLE_STANDALONE) {
|
|
ret = cp9314_cfg_sync(dev);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (config->initial_op_mode_idx != 0) {
|
|
ret = i2c_reg_update_byte_dt(&config->i2c, CP9314_REG_CTRL4, CP9314_MODE_MASK,
|
|
config->initial_op_mode_idx);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
regulator_common_data_init(dev);
|
|
|
|
return regulator_common_init(dev, false);
|
|
}
|
|
|
|
static const struct regulator_driver_api api = {
|
|
.enable = regulator_cp9314_enable,
|
|
.disable = regulator_cp9314_disable,
|
|
.get_error_flags = regulator_cp9314_get_error_flags,
|
|
};
|
|
|
|
#define REGULATOR_CP9314_DEFINE(inst) \
|
|
static struct regulator_cp9314_data data_##inst; \
|
|
\
|
|
static const struct regulator_cp9314_config config_##inst = { \
|
|
.common = REGULATOR_DT_INST_COMMON_CONFIG_INIT(inst), \
|
|
.i2c = I2C_DT_SPEC_INST_GET(inst), \
|
|
.en_pin = GPIO_DT_SPEC_INST_GET_OR(inst, cirrus_en_gpios, {}), \
|
|
.pgood_pin = GPIO_DT_SPEC_INST_GET_OR(inst, cirrus_pgood_gpios, {}), \
|
|
.initial_op_mode_idx = \
|
|
DT_INST_ENUM_IDX_OR(inst, cirrus_initial_switched_capacitor_mode, -1) + 1, \
|
|
}; \
|
|
\
|
|
DEVICE_DT_INST_DEFINE(inst, regulator_cp9314_init, NULL, &data_##inst, &config_##inst, \
|
|
POST_KERNEL, CONFIG_REGULATOR_CP9314_INIT_PRIORITY, &api);
|
|
|
|
DT_INST_FOREACH_STATUS_OKAY(REGULATOR_CP9314_DEFINE)
|