sunxi.c

  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Device Tree support for Allwinner A1X SoCs
  4 *
  5 * Copyright (C) 2012 Maxime Ripard
  6 *
  7 * Maxime Ripard <maxime.ripard@free-electrons.com>
  8 *
  9 */
 10
 11#include <linux/clocksource.h>
 12#include <linux/init.h>
 13#include <linux/of_clk.h>
 14#include <linux/platform_device.h>
 15#include <linux/reset/sunxi.h>
 16
 17#include <asm/mach/arch.h>
 18#include <asm/secure_cntvoff.h>
 19
 20static const char * const sunxi_board_dt_compat[] = {
 21	"allwinner,sun4i-a10",
 22	"allwinner,sun5i-a10s",
 23	"allwinner,sun5i-a13",
 24	"allwinner,sun5i-r8",
 25	"nextthing,gr8",
 26	NULL,
 27};
 28
 29DT_MACHINE_START(SUNXI_DT, "Allwinner sun4i/sun5i Families")
 30	.dt_compat	= sunxi_board_dt_compat,
 31MACHINE_END
 32
 33static const char * const sun6i_board_dt_compat[] = {
 34	"allwinner,sun6i-a31",
 35	"allwinner,sun6i-a31s",
 36	NULL,
 37};
 38
 39static void __init sun6i_timer_init(void)
 40{
 41	of_clk_init(NULL);
 42	if (IS_ENABLED(CONFIG_RESET_CONTROLLER))
 43		sun6i_reset_init();
 44	timer_probe();
 45}
 46
 47DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family")
 48	.init_time	= sun6i_timer_init,
 49	.dt_compat	= sun6i_board_dt_compat,
 50MACHINE_END
 51
 52static const char * const sun7i_board_dt_compat[] = {
 53	"allwinner,sun7i-a20",
 54	NULL,
 55};
 56
 57DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family")
 58	.dt_compat	= sun7i_board_dt_compat,
 59MACHINE_END
 60
 61static const char * const sun8i_board_dt_compat[] = {
 62	"allwinner,sun8i-a23",
 63	"allwinner,sun8i-a33",
 64	"allwinner,sun8i-h2-plus",
 65	"allwinner,sun8i-h3",
 66	"allwinner,sun8i-r40",
 67	"allwinner,sun8i-v3",
 68	"allwinner,sun8i-v3s",
 69	NULL,
 70};
 71
 72DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i Family")
 73	.init_time	= sun6i_timer_init,
 74	.dt_compat	= sun8i_board_dt_compat,
 75MACHINE_END
 76
 77static void __init sun8i_a83t_cntvoff_init(void)
 78{
 79#ifdef CONFIG_SMP
 80	secure_cntvoff_init();
 81#endif
 82}
 83
 84static const char * const sun8i_a83t_cntvoff_board_dt_compat[] = {
 85	"allwinner,sun8i-a83t",
 86	NULL,
 87};
 88
 89DT_MACHINE_START(SUN8I_A83T_CNTVOFF_DT, "Allwinner A83t board")
 90	.init_early	= sun8i_a83t_cntvoff_init,
 91	.init_time	= sun6i_timer_init,
 92	.dt_compat	= sun8i_a83t_cntvoff_board_dt_compat,
 93MACHINE_END
 94
 95static const char * const sun9i_board_dt_compat[] = {
 96	"allwinner,sun9i-a80",
 97	NULL,
 98};
 99
100DT_MACHINE_START(SUN9I_DT, "Allwinner sun9i Family")
101	.dt_compat	= sun9i_board_dt_compat,
102MACHINE_END
103
104static const char * const suniv_board_dt_compat[] = {
105	"allwinner,suniv-f1c100s",
106	NULL,
107};
108
109DT_MACHINE_START(SUNIV_DT, "Allwinner suniv Family")
110	.dt_compat	= suniv_board_dt_compat,
111MACHINE_END