diff options
Diffstat (limited to 'roms/u-boot/arch/arm/include/asm/arch-tegra/pwm.h')
-rw-r--r-- | roms/u-boot/arch/arm/include/asm/arch-tegra/pwm.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/include/asm/arch-tegra/pwm.h b/roms/u-boot/arch/arm/include/asm/arch-tegra/pwm.h new file mode 100644 index 000000000..eebd104de --- /dev/null +++ b/roms/u-boot/arch/arm/include/asm/arch-tegra/pwm.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Tegra pulse width frequency modulator definitions + * + * Copyright (c) 2011 The Chromium OS Authors. + */ + +#ifndef __ASM_ARCH_TEGRA_PWM_H +#define __ASM_ARCH_TEGRA_PWM_H + +/* This is a single PWM channel */ +struct pwm_ctlr { + uint control; /* Control register */ + uint reserved[3]; /* Space space */ +}; + +#define PWM_NUM_CHANNELS 4 + +/* PWM_CONTROLLER_PWM_CSR_0/1/2/3_0 */ +#define PWM_ENABLE_SHIFT 31 +#define PWM_ENABLE_MASK (0x1 << PWM_ENABLE_SHIFT) + +#define PWM_WIDTH_SHIFT 16 +#define PWM_WIDTH_MASK (0x7FFF << PWM_WIDTH_SHIFT) + +#define PWM_DIVIDER_SHIFT 0 +#define PWM_DIVIDER_MASK (0x1FFF << PWM_DIVIDER_SHIFT) + +#endif /* __ASM_ARCH_TEGRA_PWM_H */ |