[people/ms/u-boot.git] / drivers / spmi / spmi-uclass.c

/*
 * 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,
};
Commit	Line	Data
04868b40 MK	1	/*
	2	* SPMI bus uclass driver
	3	*
	4	* (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
	5	*
	6	* SPDX-License-Identifier: GPL-2.0+
	7	*/
	8
	9	#include <common.h>
	10	#include <dm.h>
	11	#include <errno.h>
	12	#include <dm/root.h>
	13	#include <spmi/spmi.h>
	14	#include <linux/ctype.h>
	15
	16	DECLARE_GLOBAL_DATA_PTR;
	17
	18	int spmi_reg_read(struct udevice *dev, int usid, int pid, int reg)
	19	{
	20	const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
	21
	22	if (!ops \|\| !ops->read)
	23	return -ENOSYS;
	24
	25	return ops->read(dev, usid, pid, reg);
	26	}
	27
	28	int spmi_reg_write(struct udevice *dev, int usid, int pid, int reg,
	29	uint8_t value)
	30	{
	31	const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
	32
	33	if (!ops \|\| !ops->write)
	34	return -ENOSYS;
	35
	36	return ops->write(dev, usid, pid, reg, value);
	37	}
	38
	39	static int spmi_post_bind(struct udevice *dev)
	40	{
	41	return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
	42	}
	43
	44	UCLASS_DRIVER(spmi) = {
	45	.id = UCLASS_SPMI,
	46	.name = "spmi",
	47	.post_bind = spmi_post_bind,
	48	};