diff options
author | Tom Rini <trini@konsulko.com> | 2016-10-07 22:02:10 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2016-10-08 09:33:37 -0400 |
commit | f5fd45ff64e28a73499548358e3d1ceda0de7daf (patch) | |
tree | ec595a705a2ec1f256c5c83b4e4ee7427aec58f4 /drivers/power/pmic/rn5t567.c | |
parent | 1f957708072e153637718497f7a1a6e364220337 (diff) | |
parent | 3dddc793e0114eb7dfc68b98a4316644d4031fcb (diff) | |
download | u-boot-f5fd45ff64e28a73499548358e3d1ceda0de7daf.tar.gz |
Merge branch 'master' of git://www.denx.de/git/u-boot-imx
Diffstat (limited to 'drivers/power/pmic/rn5t567.c')
-rw-r--r-- | drivers/power/pmic/rn5t567.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/power/pmic/rn5t567.c b/drivers/power/pmic/rn5t567.c new file mode 100644 index 0000000000..001e69553e --- /dev/null +++ b/drivers/power/pmic/rn5t567.c @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2016 Toradex AG + * Stefan Agner <stefan.agner@toradex.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <fdtdec.h> +#include <libfdt.h> +#include <power/rn5t567_pmic.h> +#include <power/pmic.h> + +static int rn5t567_reg_count(struct udevice *dev) +{ + return RN5T567_NUM_OF_REGS; +} + +static int rn5t567_write(struct udevice *dev, uint reg, const uint8_t *buff, + int len) +{ + int ret; + + ret = dm_i2c_write(dev, reg, buff, len); + if (ret) { + debug("write error to device: %p register: %#x!", dev, reg); + return ret; + } + + return 0; +} + +static int rn5t567_read(struct udevice *dev, uint reg, uint8_t *buff, int len) +{ + int ret; + + ret = dm_i2c_read(dev, reg, buff, len); + if (ret) { + debug("read error from device: %p register: %#x!", dev, reg); + return ret; + } + + return 0; +} + +static struct dm_pmic_ops rn5t567_ops = { + .reg_count = rn5t567_reg_count, + .read = rn5t567_read, + .write = rn5t567_write, +}; + +static const struct udevice_id rn5t567_ids[] = { + { .compatible = "ricoh,rn5t567" }, + { } +}; + +U_BOOT_DRIVER(pmic_rn5t567) = { + .name = "rn5t567 pmic", + .id = UCLASS_PMIC, + .of_match = rn5t567_ids, + .ops = &rn5t567_ops, +}; |