diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2020-08-06 20:20:37 +0200 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzk@kernel.org> | 2020-08-19 21:40:14 +0200 |
| commit | 0144e3fce3d601561fb51d0362316ca745c830df (patch) | |
| tree | cc6f08d2d815bab5cbc35a5684cbc53ce03c0565 /drivers/spi | |
| parent | a07c4a8c169bc072cceeda1c98a7c37fdde498a3 (diff) | |
| download | linux-0144e3fce3d601561fb51d0362316ca745c830df.tar.gz linux-0144e3fce3d601561fb51d0362316ca745c830df.tar.bz2 linux-0144e3fce3d601561fb51d0362316ca745c830df.zip | |
ARM: s3c24xx: move regs-spi.h into spi driver
The file is mostly specific to the driver, the few bits that
are actually used by the platform code get moved to mach/map.h
instead.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20200806182059.2431-20-krzk@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-s3c24xx-fiq.S | 4 | ||||
| -rw-r--r-- | drivers/spi/spi-s3c24xx-regs.h | 41 | ||||
| -rw-r--r-- | drivers/spi/spi-s3c24xx.c | 3 |
3 files changed, 45 insertions, 3 deletions
diff --git a/drivers/spi/spi-s3c24xx-fiq.S b/drivers/spi/spi-s3c24xx-fiq.S index e95d6282109e..9d5f8f1e5e81 100644 --- a/drivers/spi/spi-s3c24xx-fiq.S +++ b/drivers/spi/spi-s3c24xx-fiq.S @@ -12,10 +12,12 @@ #include <mach/map.h> #include <mach/regs-irq.h> -#include <plat/regs-spi.h> #include "spi-s3c24xx-fiq.h" +#define S3C2410_SPTDAT (0x10) +#define S3C2410_SPRDAT (0x14) + .text @ entry to these routines is as follows, with the register names diff --git a/drivers/spi/spi-s3c24xx-regs.h b/drivers/spi/spi-s3c24xx-regs.h new file mode 100644 index 000000000000..f51464ab5677 --- /dev/null +++ b/drivers/spi/spi-s3c24xx-regs.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2004 Fetron GmbH + * + * S3C2410 SPI register definition + */ + +#ifndef __SPI_S3C2410_H +#define __SPI_S3C2410_H + +#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 /* __SPI_S3C2410_H */ diff --git a/drivers/spi/spi-s3c24xx.c b/drivers/spi/spi-s3c24xx.c index 2cb3b611c294..0691248c7c0d 100644 --- a/drivers/spi/spi-s3c24xx.c +++ b/drivers/spi/spi-s3c24xx.c @@ -21,10 +21,9 @@ #include <linux/spi/s3c24xx.h> #include <linux/module.h> -#include <plat/regs-spi.h> - #include <asm/fiq.h> +#include "spi-s3c24xx-regs.h" #include "spi-s3c24xx-fiq.h" /** |