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authorSimon Glass2023-02-01 13:19:13 -0700
committerTom Rini2023-02-07 14:33:47 -0500
commit9c6e0ee6e184e99797bf92b4587c36db40a24096 (patch)
tree35b43165054da04e2ecfc69c565c52bdf238c7de /drivers/power
parent65e62037dd13840f9638632f5a6048c677a68a74 (diff)
power: Drop fg_max77693
This is not used in U-Boot. Drop it. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/mfd/Makefile1
-rw-r--r--drivers/power/mfd/fg_max77693.c137
2 files changed, 0 insertions, 138 deletions
diff --git a/drivers/power/mfd/Makefile b/drivers/power/mfd/Makefile
index a8eb7f81e72..5dfbdbd1b0f 100644
--- a/drivers/power/mfd/Makefile
+++ b/drivers/power/mfd/Makefile
@@ -5,4 +5,3 @@
obj-$(CONFIG_POWER_PMIC_MAX77693) += pmic_max77693.o
obj-$(CONFIG_POWER_MUIC_MAX77693) += muic_max77693.o
-obj-$(CONFIG_POWER_FG_MAX77693) += fg_max77693.o
diff --git a/drivers/power/mfd/fg_max77693.c b/drivers/power/mfd/fg_max77693.c
deleted file mode 100644
index 983a6d4a2bd..00000000000
--- a/drivers/power/mfd/fg_max77693.c
+++ /dev/null
@@ -1,137 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2013 Samsung Electronics
- * Piotr Wilczek <p.wilczek@samsung.com>
- */
-
-#include <common.h>
-#include <log.h>
-#include <power/pmic.h>
-#include <power/max77693_fg.h>
-#include <i2c.h>
-#include <power/power_chrg.h>
-#include <power/battery.h>
-#include <power/fg_battery_cell_params.h>
-#include <errno.h>
-
-static int max77693_get_vcell(u32 *vcell)
-{
- u16 value;
- u8 ret;
-
- ret = i2c_read(MAX77693_FUEL_I2C_ADDR, MAX77693_VCELL, 1,
- (u8 *)&value, 2);
- if (ret)
- return ret;
-
- *vcell = (u32)(value >> 3);
- *vcell = *vcell * 625;
-
- return 0;
-}
-
-static int max77693_get_soc(u32 *soc)
-{
- u16 value;
- u8 ret;
-
- ret = i2c_read(MAX77693_FUEL_I2C_ADDR, MAX77693_VFSOC, 1,
- (u8 *)&value, 2);
- if (ret)
- return ret;
-
- *soc = (u32)(value >> 8);
-
- return 0;
-}
-
-static int power_update_battery(struct pmic *p, struct pmic *bat)
-{
- struct power_battery *pb = bat->pbat;
- int ret;
-
- if (pmic_probe(p)) {
- puts("Can't find max77693 fuel gauge\n");
- return -ENODEV;
- }
-
- ret = max77693_get_soc(&pb->bat->state_of_chrg);
- if (ret)
- return ret;
-
- max77693_get_vcell(&pb->bat->voltage_uV);
-
- return 0;
-}
-
-static int power_check_battery(struct pmic *p, struct pmic *bat)
-{
- struct power_battery *pb = bat->pbat;
- unsigned int val;
- int ret = 0;
-
- if (pmic_probe(p)) {
- puts("Can't find max77693 fuel gauge\n");
- return -ENODEV;
- }
-
- ret = pmic_reg_read(p, MAX77693_STATUS, &val);
- if (ret)
- return ret;
- debug("fg status: 0x%x\n", val);
-
- ret = pmic_reg_read(p, MAX77693_VERSION, &pb->bat->version);
- if (ret)
- return ret;
-
- ret = power_update_battery(p, bat);
- if (ret)
- return ret;
- debug("fg ver: 0x%x\n", pb->bat->version);
- printf("BAT: state_of_charge(SOC):%d%%\n",
- pb->bat->state_of_chrg);
-
- printf(" voltage: %d.%6.6d [V] (expected to be %d [mAh])\n",
- pb->bat->voltage_uV / 1000000,
- pb->bat->voltage_uV % 1000000,
- pb->bat->capacity);
-
- if (pb->bat->voltage_uV > 3850000)
- pb->bat->state = EXT_SOURCE;
- else if (pb->bat->voltage_uV < 3600000 || pb->bat->state_of_chrg < 5)
- pb->bat->state = CHARGE;
- else
- pb->bat->state = NORMAL;
-
- return 0;
-}
-
-static struct power_fg power_fg_ops = {
- .fg_battery_check = power_check_battery,
- .fg_battery_update = power_update_battery,
-};
-
-int power_fg_init(unsigned char bus)
-{
- static const char name[] = "MAX77693_FG";
- struct pmic *p = pmic_alloc();
-
- if (!p) {
- printf("%s: POWER allocation error!\n", __func__);
- return -ENOMEM;
- }
-
- debug("Board Fuel Gauge init\n");
-
- p->name = name;
- p->interface = PMIC_I2C;
- p->number_of_regs = FG_NUM_OF_REGS;
- p->hw.i2c.addr = MAX77693_FUEL_I2C_ADDR;
- p->hw.i2c.tx_num = 2;
- p->sensor_byte_order = PMIC_SENSOR_BYTE_ORDER_BIG;
- p->bus = bus;
-
- p->fg = &power_fg_ops;
-
- return 0;
-}