[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 <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);
}

UCLASS_DRIVER(spmi) = {
	.id		= UCLASS_SPMI,
	.name		= "spmi",
	.post_bind	= dm_scan_fdt_dev,
};
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>
04868b40 MK	12	#include <spmi/spmi.h>
	13	#include <linux/ctype.h>
	14
	15	DECLARE_GLOBAL_DATA_PTR;
	16
	17	int spmi_reg_read(struct udevice *dev, int usid, int pid, int reg)
	18	{
	19	const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
	20
	21	if (!ops \|\| !ops->read)
	22	return -ENOSYS;
	23
	24	return ops->read(dev, usid, pid, reg);
	25	}
	26
	27	int spmi_reg_write(struct udevice *dev, int usid, int pid, int reg,
	28	uint8_t value)
	29	{
	30	const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
	31
	32	if (!ops \|\| !ops->write)
	33	return -ENOSYS;
	34
	35	return ops->write(dev, usid, pid, reg, value);
	36	}
	37
04868b40 MK	38	UCLASS_DRIVER(spmi) = {
	39	.id = UCLASS_SPMI,
	40	.name = "spmi",
91195485	41	.post_bind = dm_scan_fdt_dev,
04868b40	42	};