xref: /openbmc/u-boot/drivers/spmi/spmi-uclass.c (revision 83d290c56fab2d38cd1ab4c4cc7099559c1d5046)
1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
204868b40SMateusz Kulikowski /*
304868b40SMateusz Kulikowski  * SPMI bus uclass driver
404868b40SMateusz Kulikowski  *
504868b40SMateusz Kulikowski  * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
604868b40SMateusz Kulikowski  */
704868b40SMateusz Kulikowski 
804868b40SMateusz Kulikowski #include <common.h>
904868b40SMateusz Kulikowski #include <dm.h>
1004868b40SMateusz Kulikowski #include <errno.h>
1104868b40SMateusz Kulikowski #include <spmi/spmi.h>
1204868b40SMateusz Kulikowski #include <linux/ctype.h>
1304868b40SMateusz Kulikowski 
spmi_reg_read(struct udevice * dev,int usid,int pid,int reg)1404868b40SMateusz Kulikowski int spmi_reg_read(struct udevice *dev, int usid, int pid, int reg)
1504868b40SMateusz Kulikowski {
1604868b40SMateusz Kulikowski 	const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
1704868b40SMateusz Kulikowski 
1804868b40SMateusz Kulikowski 	if (!ops || !ops->read)
1904868b40SMateusz Kulikowski 		return -ENOSYS;
2004868b40SMateusz Kulikowski 
2104868b40SMateusz Kulikowski 	return ops->read(dev, usid, pid, reg);
2204868b40SMateusz Kulikowski }
2304868b40SMateusz Kulikowski 
spmi_reg_write(struct udevice * dev,int usid,int pid,int reg,uint8_t value)2404868b40SMateusz Kulikowski int spmi_reg_write(struct udevice *dev, int usid, int pid, int reg,
2504868b40SMateusz Kulikowski 		   uint8_t value)
2604868b40SMateusz Kulikowski {
2704868b40SMateusz Kulikowski 	const struct dm_spmi_ops *ops = dev_get_driver_ops(dev);
2804868b40SMateusz Kulikowski 
2904868b40SMateusz Kulikowski 	if (!ops || !ops->write)
3004868b40SMateusz Kulikowski 		return -ENOSYS;
3104868b40SMateusz Kulikowski 
3204868b40SMateusz Kulikowski 	return ops->write(dev, usid, pid, reg, value);
3304868b40SMateusz Kulikowski }
3404868b40SMateusz Kulikowski 
3504868b40SMateusz Kulikowski UCLASS_DRIVER(spmi) = {
3604868b40SMateusz Kulikowski 	.id		= UCLASS_SPMI,
3704868b40SMateusz Kulikowski 	.name		= "spmi",
3891195485SSimon Glass 	.post_bind	= dm_scan_fdt_dev,
3904868b40SMateusz Kulikowski };
40