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kernel/linux-rt-4.4.41/arch/arm/plat-samsung/include/plat/regs-spi.h 1.58 KB
5113f6f70   김현기   kernel add
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  /* arch/arm/plat-samsung/include/plat/regs-spi.h
   *
   * Copyright (c) 2004 Fetron GmbH
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   * 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 */