xref: /OK3568_Linux_fs/u-boot/drivers/pch/pch-uclass.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (c) 2015 Google, Inc
3*4882a593Smuzhiyun  * Written by Simon Glass <sjg@chromium.org>
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <dm.h>
10*4882a593Smuzhiyun #include <pch.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
13*4882a593Smuzhiyun 
pch_get_spi_base(struct udevice * dev,ulong * sbasep)14*4882a593Smuzhiyun int pch_get_spi_base(struct udevice *dev, ulong *sbasep)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun 	struct pch_ops *ops = pch_get_ops(dev);
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun 	*sbasep = 0;
19*4882a593Smuzhiyun 	if (!ops->get_spi_base)
20*4882a593Smuzhiyun 		return -ENOSYS;
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun 	return ops->get_spi_base(dev, sbasep);
23*4882a593Smuzhiyun }
24*4882a593Smuzhiyun 
pch_set_spi_protect(struct udevice * dev,bool protect)25*4882a593Smuzhiyun int pch_set_spi_protect(struct udevice *dev, bool protect)
26*4882a593Smuzhiyun {
27*4882a593Smuzhiyun 	struct pch_ops *ops = pch_get_ops(dev);
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun 	if (!ops->set_spi_protect)
30*4882a593Smuzhiyun 		return -ENOSYS;
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun 	return ops->set_spi_protect(dev, protect);
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun 
pch_get_gpio_base(struct udevice * dev,u32 * gbasep)35*4882a593Smuzhiyun int pch_get_gpio_base(struct udevice *dev, u32 *gbasep)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun 	struct pch_ops *ops = pch_get_ops(dev);
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun 	*gbasep = 0;
40*4882a593Smuzhiyun 	if (!ops->get_gpio_base)
41*4882a593Smuzhiyun 		return -ENOSYS;
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun 	return ops->get_gpio_base(dev, gbasep);
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun 
pch_get_io_base(struct udevice * dev,u32 * iobasep)46*4882a593Smuzhiyun int pch_get_io_base(struct udevice *dev, u32 *iobasep)
47*4882a593Smuzhiyun {
48*4882a593Smuzhiyun 	struct pch_ops *ops = pch_get_ops(dev);
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun 	*iobasep = 0;
51*4882a593Smuzhiyun 	if (!ops->get_io_base)
52*4882a593Smuzhiyun 		return -ENOSYS;
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun 	return ops->get_io_base(dev, iobasep);
55*4882a593Smuzhiyun }
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun UCLASS_DRIVER(pch) = {
58*4882a593Smuzhiyun 	.id		= UCLASS_PCH,
59*4882a593Smuzhiyun 	.name		= "pch",
60*4882a593Smuzhiyun 	.post_bind	= dm_scan_fdt_dev,
61*4882a593Smuzhiyun };
62