1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Tegra pulse width frequency modulator definitions
5 * Copyright (c) 2011 The Chromium OS Authors.
8 #ifndef __ASM_ARCH_TEGRA_PWM_H
9 #define __ASM_ARCH_TEGRA_PWM_H
11 /* This is a single PWM channel */
13 uint control; /* Control register */
14 uint reserved[3]; /* Space space */
17 #define PWM_NUM_CHANNELS 4
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)
23 #define PWM_WIDTH_SHIFT 16
24 #define PWM_WIDTH_MASK (0x7FFF << PWM_WIDTH_SHIFT)
26 #define PWM_DIVIDER_SHIFT 0
27 #define PWM_DIVIDER_MASK (0x1FFF << PWM_DIVIDER_SHIFT)
29 #endif /* __ASM_ARCH_TEGRA_PWM_H */