u-boot/arch/arm/include/asm/arch-tegra20/clock.h

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2011 The Chromium OS Authors.
*/
/* Tegra20 clock control functions */
#ifndef _TEGRA20_CLOCK_H
#define _TEGRA20_CLOCK_H
#include <asm/arch-tegra/clock.h>
/* CLK_RST_CONTROLLER_OSC_CTRL_0 */
#define OSC_FREQ_SHIFT 30
#define OSC_FREQ_MASK (3U << OSC_FREQ_SHIFT)
int tegra_plle_enable(void);
#endif /* _TEGRA20_CLOCK_H */