2 * Tegra pulse width frequency modulator definitions
4 * Copyright (c) 2011 The Chromium OS Authors.
6 * SPDX-License-Identifier: GPL-2.0+
9 #ifndef __ASM_ARCH_TEGRA_PWM_H
10 #define __ASM_ARCH_TEGRA_PWM_H
12 /* This is a single PWM channel */
14 uint control; /* Control register */
15 uint reserved[3]; /* Space space */
18 #define PWM_NUM_CHANNELS 4
20 /* PWM_CONTROLLER_PWM_CSR_0/1/2/3_0 */
21 #define PWM_ENABLE_SHIFT 31
22 #define PWM_ENABLE_MASK (0x1 << PWM_ENABLE_SHIFT)
24 #define PWM_WIDTH_SHIFT 16
25 #define PWM_WIDTH_MASK (0x7FFF << PWM_WIDTH_SHIFT)
27 #define PWM_DIVIDER_SHIFT 0
28 #define PWM_DIVIDER_MASK (0x1FFF << PWM_DIVIDER_SHIFT)
30 #endif /* __ASM_ARCH_TEGRA_PWM_H */