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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Copyright 2021 Linaro Limited4 *5 * Author: Daniel Lezcano <daniel.lezcano@linaro.org>6 *7 * DTPM hierarchy description8 */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