uboot/arch/arm/include/asm/arch-tegra/pwm.h
<<
>>
Prefs
   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Tegra pulse width frequency modulator definitions
   4 *
   5 * Copyright (c) 2011 The Chromium OS Authors.
   6 */
   7
   8#ifndef __ASM_ARCH_TEGRA_PWM_H
   9#define __ASM_ARCH_TEGRA_PWM_H
  10
  11/* This is a single PWM channel */
  12struct pwm_ctlr {
  13        uint control;           /* Control register */
  14        uint reserved[3];       /* Space space */
  15};
  16
  17#define PWM_NUM_CHANNELS        4
  18
  19/* PWM_CONTROLLER_PWM_CSR_0/1/2/3_0 */
  20#define PWM_ENABLE_SHIFT        31
  21#define PWM_ENABLE_MASK (0x1 << PWM_ENABLE_SHIFT)
  22
  23#define PWM_WIDTH_SHIFT 16
  24#define PWM_WIDTH_MASK          (0x7FFF << PWM_WIDTH_SHIFT)
  25
  26#define PWM_DIVIDER_SHIFT       0
  27#define PWM_DIVIDER_MASK        (0x1FFF << PWM_DIVIDER_SHIFT)
  28
  29#endif  /* __ASM_ARCH_TEGRA_PWM_H */
  30