diff options
Diffstat (limited to 'drivers/spmi/spmi-uclass.c')
-rw-r--r-- | drivers/spmi/spmi-uclass.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/spmi/spmi-uclass.c b/drivers/spmi/spmi-uclass.c new file mode 100644 index 0000000000..4ddd51b556 --- /dev/null +++ b/drivers/spmi/spmi-uclass.c @@ -0,0 +1,48 @@ +/* + * SPMI bus uclass driver + * + * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <dm/root.h> +#include <spmi/spmi.h> +#include <linux/ctype.h> + +DECLARE_GLOBAL_DATA_PTR; + +int spmi_reg_read(struct udevice *dev, int usid, int pid, int reg) +{ + const struct dm_spmi_ops *ops = dev_get_driver_ops(dev); + + if (!ops || !ops->read) + return -ENOSYS; + + return ops->read(dev, usid, pid, reg); +} + +int spmi_reg_write(struct udevice *dev, int usid, int pid, int reg, + uint8_t value) +{ + const struct dm_spmi_ops *ops = dev_get_driver_ops(dev); + + if (!ops || !ops->write) + return -ENOSYS; + + return ops->write(dev, usid, pid, reg, value); +} + +static int spmi_post_bind(struct udevice *dev) +{ + return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false); +} + +UCLASS_DRIVER(spmi) = { + .id = UCLASS_SPMI, + .name = "spmi", + .post_bind = spmi_post_bind, +}; |