diff options
Diffstat (limited to 'arch/arm/mach-at91/include/mach/at91_pit.h')
| -rw-r--r-- | arch/arm/mach-at91/include/mach/at91_pit.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_pit.h b/arch/arm/mach-at91/include/mach/at91_pit.h new file mode 100644 index 0000000000..56724f15e7 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at91_pit.h @@ -0,0 +1,28 @@ +/* + * [origin: Linux kernel include/asm-arm/arch-at91/at91_pit.h] + * + * Copyright (C) 2007 Andrew Victor + * Copyright (C) 2007 Atmel Corporation. + * + * Periodic Interval Timer (PIT) - System peripherals regsters. + * Based on AT91SAM9261 datasheet revision D. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef AT91_PIT_H +#define AT91_PIT_H + +typedef struct at91_pit { + u32 mr; /* 0x00 Mode Register */ + u32 sr; /* 0x04 Status Register */ + u32 pivr; /* 0x08 Periodic Interval Value Register */ + u32 piir; /* 0x0C Periodic Interval Image Register */ +} at91_pit_t; + +#define AT91_PIT_MR_IEN 0x02000000 +#define AT91_PIT_MR_EN 0x01000000 +#define AT91_PIT_MR_PIV_MASK(x) (x & 0x000fffff) +#define AT91_PIT_MR_PIV(x) (x & AT91_PIT_MR_PIV_MASK) + +#endif |