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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * clk-dfll.h - prototypes and macros for the Tegra DFLL clocksource driver
- * Copyright (C) 2013-2019 NVIDIA Corporation. All rights reserved.
- *
- * Aleksandr Frid <afrid@nvidia.com>
- * Paul Walmsley <pwalmsley@nvidia.com>
- */
- #ifndef __DRIVERS_CLK_TEGRA_CLK_DFLL_H
- #define __DRIVERS_CLK_TEGRA_CLK_DFLL_H
- #include <linux/platform_device.h>
- #include <linux/reset.h>
- #include <linux/types.h>
- #include "cvb.h"
- /**
- * struct tegra_dfll_soc_data - SoC-specific hooks/integration for the DFLL driver
- * @dev: struct device * that holds the OPP table for the DFLL
- * @max_freq: maximum frequency supported on this SoC
- * @cvb: CPU frequency table for this SoC
- * @alignment: parameters of the regulator step and offset
- * @init_clock_trimmers: callback to initialize clock trimmers
- * @set_clock_trimmers_high: callback to tune clock trimmers for high voltage
- * @set_clock_trimmers_low: callback to tune clock trimmers for low voltage
- */
- struct tegra_dfll_soc_data {
- struct device *dev;
- unsigned long max_freq;
- const struct cvb_table *cvb;
- struct rail_alignment alignment;
- void (*init_clock_trimmers)(void);
- void (*set_clock_trimmers_high)(void);
- void (*set_clock_trimmers_low)(void);
- };
- int tegra_dfll_register(struct platform_device *pdev,
- struct tegra_dfll_soc_data *soc);
- struct tegra_dfll_soc_data *tegra_dfll_unregister(struct platform_device *pdev);
- int tegra_dfll_runtime_suspend(struct device *dev);
- int tegra_dfll_runtime_resume(struct device *dev);
- int tegra_dfll_suspend(struct device *dev);
- int tegra_dfll_resume(struct device *dev);
- #endif /* __DRIVERS_CLK_TEGRA_CLK_DFLL_H */
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