clk-dfll.h (8eaaae9937649f54beac7da582fa6cc6c79ae936) clk-dfll.h (27ed2f7e7ca5c38a8ce695e58e6cf270c26f370b)
1/*
2 * clk-dfll.h - prototypes and macros for the Tegra DFLL clocksource driver
3 * Copyright (C) 2013 NVIDIA Corporation. All rights reserved.
4 *
5 * Aleksandr Frid <afrid@nvidia.com>
6 * Paul Walmsley <pwalmsley@nvidia.com>
7 *
8 * This program is free software; you can redistribute it and/or modify

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20
21#include <linux/platform_device.h>
22#include <linux/reset.h>
23#include <linux/types.h>
24
25/**
26 * struct tegra_dfll_soc_data - SoC-specific hooks/integration for the DFLL driver
27 * @dev: struct device * that holds the OPP table for the DFLL
1/*
2 * clk-dfll.h - prototypes and macros for the Tegra DFLL clocksource driver
3 * Copyright (C) 2013 NVIDIA Corporation. All rights reserved.
4 *
5 * Aleksandr Frid <afrid@nvidia.com>
6 * Paul Walmsley <pwalmsley@nvidia.com>
7 *
8 * This program is free software; you can redistribute it and/or modify

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20
21#include <linux/platform_device.h>
22#include <linux/reset.h>
23#include <linux/types.h>
24
25/**
26 * struct tegra_dfll_soc_data - SoC-specific hooks/integration for the DFLL driver
27 * @dev: struct device * that holds the OPP table for the DFLL
28 * @min_millivolts: minimum voltage (in mV) that the DFLL can operate
29 * @tune0_low: DFLL tuning register 0 (low voltage range)
30 * @tune0_high: DFLL tuning register 0 (high voltage range)
31 * @tune1: DFLL tuning register 1
28 * @cvb: CPU frequency table for this SoC
32 * @init_clock_trimmers: callback to initialize clock trimmers
33 * @set_clock_trimmers_high: callback to tune clock trimmers for high voltage
34 * @set_clock_trimmers_low: callback to tune clock trimmers for low voltage
35 */
36struct tegra_dfll_soc_data {
37 struct device *dev;
29 * @init_clock_trimmers: callback to initialize clock trimmers
30 * @set_clock_trimmers_high: callback to tune clock trimmers for high voltage
31 * @set_clock_trimmers_low: callback to tune clock trimmers for low voltage
32 */
33struct tegra_dfll_soc_data {
34 struct device *dev;
38 unsigned int min_millivolts;
39 u32 tune0_low;
40 u32 tune0_high;
41 u32 tune1;
35 const struct cvb_table *cvb;
42
43 void (*init_clock_trimmers)(void);
44 void (*set_clock_trimmers_high)(void);
45 void (*set_clock_trimmers_low)(void);
46};
47
48int tegra_dfll_register(struct platform_device *pdev,
49 struct tegra_dfll_soc_data *soc);
50int tegra_dfll_unregister(struct platform_device *pdev);
51int tegra_dfll_runtime_suspend(struct device *dev);
52int tegra_dfll_runtime_resume(struct device *dev);
53
54#endif /* __DRIVERS_CLK_TEGRA_CLK_DFLL_H */
36
37 void (*init_clock_trimmers)(void);
38 void (*set_clock_trimmers_high)(void);
39 void (*set_clock_trimmers_low)(void);
40};
41
42int tegra_dfll_register(struct platform_device *pdev,
43 struct tegra_dfll_soc_data *soc);
44int tegra_dfll_unregister(struct platform_device *pdev);
45int tegra_dfll_runtime_suspend(struct device *dev);
46int tegra_dfll_runtime_resume(struct device *dev);
47
48#endif /* __DRIVERS_CLK_TEGRA_CLK_DFLL_H */