diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/power/pmic/Kconfig | 7 | ||||
-rw-r--r-- | drivers/power/pmic/Makefile | 1 | ||||
-rw-r--r-- | drivers/power/pmic/max8998.c | 61 |
3 files changed, 69 insertions, 0 deletions
diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig index ce204b36ca..5e244c8741 100644 --- a/drivers/power/pmic/Kconfig +++ b/drivers/power/pmic/Kconfig @@ -54,6 +54,13 @@ config DM_PMIC_MAX77686 This config enables implementation of driver-model pmic uclass features for PMIC MAX77686. The driver implements read/write operations. +config DM_PMIC_MAX8998 + bool "Enable Driver Model for PMIC MAX8998" + depends on DM_PMIC + ---help--- + This config enables implementation of driver-model pmic uclass features + for PMIC MAX8998. The driver implements read/write operations. + config PMIC_PM8916 bool "Enable Driver Model for Qualcomm PM8916 PMIC" depends on DM_PMIC diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile index cd1c6945cd..b4ac7d26d0 100644 --- a/drivers/power/pmic/Makefile +++ b/drivers/power/pmic/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_DM_PMIC) += pmic-uclass.o obj-$(CONFIG_DM_PMIC_MAX77686) += max77686.o +obj-$(CONFIG_DM_PMIC_MAX8998) += max8998.o obj-$(CONFIG_DM_PMIC_PFUZE100) += pfuze100.o obj-$(CONFIG_PMIC_S2MPS11) += s2mps11.o obj-$(CONFIG_DM_PMIC_SANDBOX) += sandbox.o i2c_pmic_emul.o diff --git a/drivers/power/pmic/max8998.c b/drivers/power/pmic/max8998.c new file mode 100644 index 0000000000..3baa8da032 --- /dev/null +++ b/drivers/power/pmic/max8998.c @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2016 Samsung Electronics + * Jaehoon Chung <jh80.chung@samsung.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <i2c.h> +#include <power/pmic.h> +#include <power/max8998_pmic.h> +#include <errno.h> + +DECLARE_GLOBAL_DATA_PTR; + +static int max8998_reg_count(struct udevice *dev) +{ + return PMIC_NUM_OF_REGS; +} + +static int max8998_write(struct udevice *dev, uint reg, const uint8_t *buff, + int len) +{ + int ret; + + ret = dm_i2c_write(dev, reg, buff, len); + if (ret) + error("write error to device: %p register: %#x!", dev, reg); + + return ret; +} + +static int max8998_read(struct udevice *dev, uint reg, uint8_t *buff, int len) +{ + int ret; + + ret = dm_i2c_read(dev, reg, buff, len); + if (ret) + error("read error from device: %p register: %#x!", dev, reg); + + return ret; +} + +static struct dm_pmic_ops max8998_ops = { + .reg_count = max8998_reg_count, + .read = max8998_read, + .write = max8998_write, +}; + +static const struct udevice_id max8998_ids[] = { + { .compatible = "maxim,max8998" }, + { } +}; + +U_BOOT_DRIVER(pmic_max8998) = { + .name = "max8998_pmic", + .id = UCLASS_PMIC, + .of_match = max8998_ids, + .ops = &max8998_ops, +}; |