diff options
author | Tom Rini <trini@konsulko.com> | 2016-12-23 10:17:22 -0500 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2016-12-23 10:17:22 -0500 |
commit | 0683e7e0f3cf9e5e1d02c9a0bb57eecb203ab800 (patch) | |
tree | d753d9b52fecbccd6f26909221052645c2887f5b /drivers/power/pmic/max8998.c | |
parent | 9c4132b5267b8d58712077c1c231717c76c4d52f (diff) | |
parent | 9e26834f4945f7b1deb16bea1c06e7e0faaad848 (diff) | |
download | u-boot-imx-0683e7e0f3cf9e5e1d02c9a0bb57eecb203ab800.zip u-boot-imx-0683e7e0f3cf9e5e1d02c9a0bb57eecb203ab800.tar.gz u-boot-imx-0683e7e0f3cf9e5e1d02c9a0bb57eecb203ab800.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-samsung
Diffstat (limited to 'drivers/power/pmic/max8998.c')
-rw-r--r-- | drivers/power/pmic/max8998.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/power/pmic/max8998.c b/drivers/power/pmic/max8998.c new file mode 100644 index 0000000..3baa8da --- /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, +}; |