xref: /OK3568_Linux_fs/kernel/drivers/soc/renesas/r8a7796-sysc.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Renesas R-Car M3-W/W+ System Controller
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2016 Glider bvba
6*4882a593Smuzhiyun  * Copyright (C) 2018-2019 Renesas Electronics Corporation
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <linux/bits.h>
10*4882a593Smuzhiyun #include <linux/kernel.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <dt-bindings/power/r8a7796-sysc.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include "rcar-sysc.h"
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun static struct rcar_sysc_area r8a7796_areas[] __initdata = {
17*4882a593Smuzhiyun 	{ "always-on",	    0, 0, R8A7796_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
18*4882a593Smuzhiyun 	{ "ca57-scu",	0x1c0, 0, R8A7796_PD_CA57_SCU,	R8A7796_PD_ALWAYS_ON,
19*4882a593Smuzhiyun 	  PD_SCU },
20*4882a593Smuzhiyun 	{ "ca57-cpu0",	 0x80, 0, R8A7796_PD_CA57_CPU0,	R8A7796_PD_CA57_SCU,
21*4882a593Smuzhiyun 	  PD_CPU_NOCR },
22*4882a593Smuzhiyun 	{ "ca57-cpu1",	 0x80, 1, R8A7796_PD_CA57_CPU1,	R8A7796_PD_CA57_SCU,
23*4882a593Smuzhiyun 	  PD_CPU_NOCR },
24*4882a593Smuzhiyun 	{ "ca53-scu",	0x140, 0, R8A7796_PD_CA53_SCU,	R8A7796_PD_ALWAYS_ON,
25*4882a593Smuzhiyun 	  PD_SCU },
26*4882a593Smuzhiyun 	{ "ca53-cpu0",	0x200, 0, R8A7796_PD_CA53_CPU0,	R8A7796_PD_CA53_SCU,
27*4882a593Smuzhiyun 	  PD_CPU_NOCR },
28*4882a593Smuzhiyun 	{ "ca53-cpu1",	0x200, 1, R8A7796_PD_CA53_CPU1,	R8A7796_PD_CA53_SCU,
29*4882a593Smuzhiyun 	  PD_CPU_NOCR },
30*4882a593Smuzhiyun 	{ "ca53-cpu2",	0x200, 2, R8A7796_PD_CA53_CPU2,	R8A7796_PD_CA53_SCU,
31*4882a593Smuzhiyun 	  PD_CPU_NOCR },
32*4882a593Smuzhiyun 	{ "ca53-cpu3",	0x200, 3, R8A7796_PD_CA53_CPU3,	R8A7796_PD_CA53_SCU,
33*4882a593Smuzhiyun 	  PD_CPU_NOCR },
34*4882a593Smuzhiyun 	{ "cr7",	0x240, 0, R8A7796_PD_CR7,	R8A7796_PD_ALWAYS_ON },
35*4882a593Smuzhiyun 	{ "a3vc",	0x380, 0, R8A7796_PD_A3VC,	R8A7796_PD_ALWAYS_ON },
36*4882a593Smuzhiyun 	{ "a2vc0",	0x3c0, 0, R8A7796_PD_A2VC0,	R8A7796_PD_A3VC },
37*4882a593Smuzhiyun 	{ "a2vc1",	0x3c0, 1, R8A7796_PD_A2VC1,	R8A7796_PD_A3VC },
38*4882a593Smuzhiyun 	{ "3dg-a",	0x100, 0, R8A7796_PD_3DG_A,	R8A7796_PD_ALWAYS_ON },
39*4882a593Smuzhiyun 	{ "3dg-b",	0x100, 1, R8A7796_PD_3DG_B,	R8A7796_PD_3DG_A },
40*4882a593Smuzhiyun 	{ "a3ir",	0x180, 0, R8A7796_PD_A3IR,	R8A7796_PD_ALWAYS_ON },
41*4882a593Smuzhiyun };
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun #ifdef CONFIG_SYSC_R8A77960
45*4882a593Smuzhiyun const struct rcar_sysc_info r8a77960_sysc_info __initconst = {
46*4882a593Smuzhiyun 	.areas = r8a7796_areas,
47*4882a593Smuzhiyun 	.num_areas = ARRAY_SIZE(r8a7796_areas),
48*4882a593Smuzhiyun };
49*4882a593Smuzhiyun #endif /* CONFIG_SYSC_R8A77960 */
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #ifdef CONFIG_SYSC_R8A77961
r8a77961_sysc_init(void)52*4882a593Smuzhiyun static int __init r8a77961_sysc_init(void)
53*4882a593Smuzhiyun {
54*4882a593Smuzhiyun 	rcar_sysc_nullify(r8a7796_areas, ARRAY_SIZE(r8a7796_areas),
55*4882a593Smuzhiyun 			  R8A7796_PD_A2VC0);
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun 	return 0;
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun const struct rcar_sysc_info r8a77961_sysc_info __initconst = {
61*4882a593Smuzhiyun 	.init = r8a77961_sysc_init,
62*4882a593Smuzhiyun 	.areas = r8a7796_areas,
63*4882a593Smuzhiyun 	.num_areas = ARRAY_SIZE(r8a7796_areas),
64*4882a593Smuzhiyun 	.extmask_offs = 0x2f8,
65*4882a593Smuzhiyun 	.extmask_val = BIT(0),
66*4882a593Smuzhiyun };
67*4882a593Smuzhiyun #endif /* CONFIG_SYSC_R8A77961 */
68