66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright 2021 Linaro Limited
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*
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* Author: Daniel Lezcano <daniel.lezcano@linaro.org>
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*
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* DTPM hierarchy description
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*/
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#include <linux/dtpm.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/platform_device.h>
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static struct dtpm_node __initdata rk3399_hierarchy[] = {
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[0]{ .name = "rk3399",
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.type = DTPM_NODE_VIRTUAL },
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[1]{ .name = "package",
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.type = DTPM_NODE_VIRTUAL,
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.parent = &rk3399_hierarchy[0] },
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[2]{ .name = "/cpus/cpu@0",
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.type = DTPM_NODE_DT,
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.parent = &rk3399_hierarchy[1] },
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[3]{ .name = "/cpus/cpu@1",
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.type = DTPM_NODE_DT,
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.parent = &rk3399_hierarchy[1] },
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[4]{ .name = "/cpus/cpu@2",
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.type = DTPM_NODE_DT,
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.parent = &rk3399_hierarchy[1] },
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[5]{ .name = "/cpus/cpu@3",
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.type = DTPM_NODE_DT,
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.parent = &rk3399_hierarchy[1] },
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[6]{ .name = "/cpus/cpu@100",
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.type = DTPM_NODE_DT,
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.parent = &rk3399_hierarchy[1] },
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[7]{ .name = "/cpus/cpu@101",
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.type = DTPM_NODE_DT,
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.parent = &rk3399_hierarchy[1] },
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[8]{ .name = "/gpu@ff9a0000",
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.type = DTPM_NODE_DT,
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.parent = &rk3399_hierarchy[1] },
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[9]{ /* sentinel */ }
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};
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static struct of_device_id __initdata rockchip_dtpm_match_table[] = {
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{ .compatible = "rockchip,rk3399", .data = rk3399_hierarchy },
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{},
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};
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static int __init rockchip_dtpm_init(void)
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{
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return dtpm_create_hierarchy(rockchip_dtpm_match_table);
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}
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module_init(rockchip_dtpm_init);
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static void __exit rockchip_dtpm_exit(void)
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{
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return dtpm_destroy_hierarchy();
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}
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module_exit(rockchip_dtpm_exit);
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MODULE_SOFTDEP("pre: panfrost cpufreq-dt");
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MODULE_DESCRIPTION("Rockchip DTPM driver");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:dtpm");
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MODULE_AUTHOR("Daniel Lezcano <daniel.lezcano@kernel.org");
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