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31 lines
693 B
C
31 lines
693 B
C
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/*
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* Tegra pulse width frequency modulator definitions
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*
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* Copyright (c) 2011 The Chromium OS Authors.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __ASM_ARCH_TEGRA_PWM_H
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#define __ASM_ARCH_TEGRA_PWM_H
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/* This is a single PWM channel */
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struct pwm_ctlr {
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uint control; /* Control register */
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uint reserved[3]; /* Space space */
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};
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#define PWM_NUM_CHANNELS 4
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/* PWM_CONTROLLER_PWM_CSR_0/1/2/3_0 */
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#define PWM_ENABLE_SHIFT 31
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#define PWM_ENABLE_MASK (0x1 << PWM_ENABLE_SHIFT)
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#define PWM_WIDTH_SHIFT 16
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#define PWM_WIDTH_MASK (0x7FFF << PWM_WIDTH_SHIFT)
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#define PWM_DIVIDER_SHIFT 0
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#define PWM_DIVIDER_MASK (0x1FFF << PWM_DIVIDER_SHIFT)
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#endif /* __ASM_ARCH_TEGRA_PWM_H */
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