OpenCloudOS-Kernel/arch/arm/plat-samsung/include/plat/regs-spi.h

45 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2004 Fetron GmbH
*
* S3C2410 SPI register definition
*/
#ifndef __ASM_ARCH_REGS_SPI_H
#define __ASM_ARCH_REGS_SPI_H
#define S3C2410_SPI1 (0x20)
#define S3C2412_SPI1 (0x100)
#define S3C2410_SPCON (0x00)
#define S3C2410_SPCON_SMOD_DMA (2 << 5) /* DMA mode */
#define S3C2410_SPCON_SMOD_INT (1 << 5) /* interrupt mode */
#define S3C2410_SPCON_SMOD_POLL (0 << 5) /* polling mode */
#define S3C2410_SPCON_ENSCK (1 << 4) /* Enable SCK */
#define S3C2410_SPCON_MSTR (1 << 3) /* Master:1, Slave:0 select */
#define S3C2410_SPCON_CPOL_HIGH (1 << 2) /* Clock polarity select */
#define S3C2410_SPCON_CPOL_LOW (0 << 2) /* Clock polarity select */
#define S3C2410_SPCON_CPHA_FMTB (1 << 1) /* Clock Phase Select */
#define S3C2410_SPCON_CPHA_FMTA (0 << 1) /* Clock Phase Select */
#define S3C2410_SPSTA (0x04)
#define S3C2410_SPSTA_DCOL (1 << 2) /* Data Collision Error */
#define S3C2410_SPSTA_MULD (1 << 1) /* Multi Master Error */
#define S3C2410_SPSTA_READY (1 << 0) /* Data Tx/Rx ready */
#define S3C2412_SPSTA_READY_ORG (1 << 3)
#define S3C2410_SPPIN (0x08)
#define S3C2410_SPPIN_ENMUL (1 << 2) /* Multi Master Error detect */
#define S3C2410_SPPIN_RESERVED (1 << 1)
#define S3C2410_SPPIN_KEEP (1 << 0) /* Master Out keep */
#define S3C2410_SPPRE (0x0C)
#define S3C2410_SPTDAT (0x10)
#define S3C2410_SPRDAT (0x14)
#endif /* __ASM_ARCH_REGS_SPI_H */