1 // SPDX-License-Identifier: GPL-2.0
3 * Renesas R-Car E3 System Controller
5 * Copyright (C) 2018 Renesas Electronics Corp.
8 #include <linux/bits.h>
9 #include <linux/kernel.h>
10 #include <linux/sys_soc.h>
12 #include <dt-bindings/power/r8a77990-sysc.h>
14 #include "rcar-sysc.h"
16 static struct rcar_sysc_area r8a77990_areas
[] __initdata
= {
17 { "always-on", 0, 0, R8A77990_PD_ALWAYS_ON
, -1, PD_ALWAYS_ON
},
18 { "ca53-scu", 0x140, 0, R8A77990_PD_CA53_SCU
, R8A77990_PD_ALWAYS_ON
,
20 { "ca53-cpu0", 0x200, 0, R8A77990_PD_CA53_CPU0
, R8A77990_PD_CA53_SCU
,
22 { "ca53-cpu1", 0x200, 1, R8A77990_PD_CA53_CPU1
, R8A77990_PD_CA53_SCU
,
24 { "cr7", 0x240, 0, R8A77990_PD_CR7
, R8A77990_PD_ALWAYS_ON
},
25 { "a3vc", 0x380, 0, R8A77990_PD_A3VC
, R8A77990_PD_ALWAYS_ON
},
26 { "a2vc1", 0x3c0, 1, R8A77990_PD_A2VC1
, R8A77990_PD_A3VC
},
27 { "3dg-a", 0x100, 0, R8A77990_PD_3DG_A
, R8A77990_PD_ALWAYS_ON
},
28 { "3dg-b", 0x100, 1, R8A77990_PD_3DG_B
, R8A77990_PD_3DG_A
},
31 /* Fixups for R-Car E3 ES1.0 revision */
32 static const struct soc_device_attribute r8a77990
[] __initconst
= {
33 { .soc_id
= "r8a77990", .revision
= "ES1.0" },
37 static int __init
r8a77990_sysc_init(void)
39 if (soc_device_match(r8a77990
)) {
40 /* Fix incorrect 3DG hierarchy */
41 swap(r8a77990_areas
[7], r8a77990_areas
[8]);
42 r8a77990_areas
[7].parent
= R8A77990_PD_ALWAYS_ON
;
43 r8a77990_areas
[8].parent
= R8A77990_PD_3DG_B
;
49 const struct rcar_sysc_info r8a77990_sysc_info __initconst
= {
50 .init
= r8a77990_sysc_init
,
51 .areas
= r8a77990_areas
,
52 .num_areas
= ARRAY_SIZE(r8a77990_areas
),
53 .extmask_offs
= 0x2f8,
54 .extmask_val
= BIT(0),