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