1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright 2021 Linaro Limited
4 *
5 * Author: Daniel Lezcano <daniel.lezcano@linaro.org>
6 *
7 * DTPM hierarchy description
8 */
9#include <linux/dtpm.h>
10#include <linux/module.h>
11#include <linux/of.h>
12#include <linux/platform_device.h>
13
14static struct dtpm_node __initdata rk3399_hierarchy[] = {
15	[0] = { .name = "rk3399",
16		.type = DTPM_NODE_VIRTUAL },
17	[1] = { .name = "package",
18		.type = DTPM_NODE_VIRTUAL,
19		.parent = &rk3399_hierarchy[0] },
20	[2] = { .name = "/cpus/cpu@0",
21		.type = DTPM_NODE_DT,
22		.parent = &rk3399_hierarchy[1] },
23	[3] = { .name = "/cpus/cpu@1",
24		.type = DTPM_NODE_DT,
25		.parent = &rk3399_hierarchy[1] },
26	[4] = { .name = "/cpus/cpu@2",
27		.type = DTPM_NODE_DT,
28		.parent = &rk3399_hierarchy[1] },
29	[5] = { .name = "/cpus/cpu@3",
30		.type = DTPM_NODE_DT,
31		.parent = &rk3399_hierarchy[1] },
32	[6] = { .name = "/cpus/cpu@100",
33		.type = DTPM_NODE_DT,
34		.parent = &rk3399_hierarchy[1] },
35	[7] = { .name = "/cpus/cpu@101",
36		.type = DTPM_NODE_DT,
37		.parent = &rk3399_hierarchy[1] },
38	[8] = { .name = "/gpu@ff9a0000",
39		.type = DTPM_NODE_DT,
40		.parent = &rk3399_hierarchy[1] },
41	[9] = { /* sentinel */ }
42};
43
44static struct of_device_id __initdata rockchip_dtpm_match_table[] = {
45        { .compatible = "rockchip,rk3399", .data = rk3399_hierarchy },
46        {},
47};
48
49static int __init rockchip_dtpm_init(void)
50{
51	return dtpm_create_hierarchy(rockchip_dtpm_match_table);
52}
53module_init(rockchip_dtpm_init);
54
55static void __exit rockchip_dtpm_exit(void)
56{
57	return dtpm_destroy_hierarchy();
58}
59module_exit(rockchip_dtpm_exit);
60
61MODULE_SOFTDEP("pre: panfrost cpufreq-dt");
62MODULE_DESCRIPTION("Rockchip DTPM driver");
63MODULE_LICENSE("GPL");
64MODULE_ALIAS("platform:dtpm");
65MODULE_AUTHOR("Daniel Lezcano <daniel.lezcano@kernel.org");
66