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1// SPDX-License-Identifier: GPL-2.02/*3 * Renesas RZ/G2E System Controller4 * Copyright (C) 2018 Renesas Electronics Corp.5 *6 * Based on Renesas R-Car E3 System Controller7 */8 9#include <linux/bits.h>10#include <linux/kernel.h>11#include <linux/sys_soc.h>12 13#include <dt-bindings/power/r8a774c0-sysc.h>14 15#include "rcar-sysc.h"16 17static struct rcar_sysc_area r8a774c0_areas[] __initdata = {18 { "always-on", 0, 0, R8A774C0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },19 { "ca53-scu", 0x140, 0, R8A774C0_PD_CA53_SCU, R8A774C0_PD_ALWAYS_ON,20 PD_SCU },21 { "ca53-cpu0", 0x200, 0, R8A774C0_PD_CA53_CPU0, R8A774C0_PD_CA53_SCU,22 PD_CPU_NOCR },23 { "ca53-cpu1", 0x200, 1, R8A774C0_PD_CA53_CPU1, R8A774C0_PD_CA53_SCU,24 PD_CPU_NOCR },25 { "a3vc", 0x380, 0, R8A774C0_PD_A3VC, R8A774C0_PD_ALWAYS_ON },26 { "a2vc1", 0x3c0, 1, R8A774C0_PD_A2VC1, R8A774C0_PD_A3VC },27 { "3dg-a", 0x100, 0, R8A774C0_PD_3DG_A, R8A774C0_PD_ALWAYS_ON },28 { "3dg-b", 0x100, 1, R8A774C0_PD_3DG_B, R8A774C0_PD_3DG_A },29};30 31/* Fixups for RZ/G2E ES1.0 revision */32static const struct soc_device_attribute r8a774c0[] __initconst = {33 { .soc_id = "r8a774c0", .revision = "ES1.0" },34 { /* sentinel */ }35};36 37static int __init r8a774c0_sysc_init(void)38{39 if (soc_device_match(r8a774c0)) {40 /* Fix incorrect 3DG hierarchy */41 swap(r8a774c0_areas[6], r8a774c0_areas[7]);42 r8a774c0_areas[6].parent = R8A774C0_PD_ALWAYS_ON;43 r8a774c0_areas[7].parent = R8A774C0_PD_3DG_B;44 }45 46 return 0;47}48 49const struct rcar_sysc_info r8a774c0_sysc_info __initconst = {50 .init = r8a774c0_sysc_init,51 .areas = r8a774c0_areas,52 .num_areas = ARRAY_SIZE(r8a774c0_areas),53 .extmask_offs = 0x2f8,54 .extmask_val = BIT(0),55};56