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[Blackfin] arch: Encourage users to use the spidev character driver: Provide platform support

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- Enable kernel generic spidev driver for blackfin SPI ADC
 - spi_adc driver, document and test sample not synced

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
This commit is contained in:
Michael Hennerich 2008-02-09 01:54:09 +08:00 committed by Bryan Wu
parent 8b01eaff4f
commit 6e668936db
7 changed files with 103 additions and 38 deletions
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17
arch/blackfin/mach-bf527/boards/ezkit.c
View File

@ -517,6 +517,14 @@ static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
.bits_per_word = 16,
};
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
static struct bfin5xx_spi_chip spidev_chip_info = {
.enable_dma = 0,
.bits_per_word = 8,
};
#endif
static struct spi_board_info bfin_spi_board_info[] __initdata = {
#if defined(CONFIG_MTD_M25P80) \
|| defined(CONFIG_MTD_M25P80_MODULE)
@ -634,6 +642,15 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
.mode = SPI_MODE_0,
},
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
{
.modalias = "spidev",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 1,
.controller_data = &spidev_chip_info,
},
#endif
};
/* SPI controller data */

16
arch/blackfin/mach-bf533/boards/ezkit.c
View File

@ -134,6 +134,13 @@ static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
};
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
static struct bfin5xx_spi_chip spidev_chip_info = {
.enable_dma = 0,
.bits_per_word = 8,
};
#endif
static struct spi_board_info bfin_spi_board_info[] __initdata = {
#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
{
@ -168,6 +175,15 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
.controller_data = &ad1836_spi_chip_info,
},
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
{
.modalias = "spidev",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 1,
.controller_data = &spidev_chip_info,
},
#endif
};
/* SPI (0) */

16
arch/blackfin/mach-bf533/boards/stamp.c
View File

@ -226,6 +226,13 @@ static struct bfin5xx_spi_chip spi_mmc_chip_info = {
};
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
static struct bfin5xx_spi_chip spidev_chip_info = {
.enable_dma = 0,
.bits_per_word = 8,
};
#endif
static struct spi_board_info bfin_spi_board_info[] __initdata = {
#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
{
@ -312,6 +319,15 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
.mode = SPI_MODE_2,
},
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
{
.modalias = "spidev",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 1,
.controller_data = &spidev_chip_info,
},
#endif
};
/* SPI (0) */

16
arch/blackfin/mach-bf537/boards/stamp.c
View File

@ -487,6 +487,13 @@ static const struct ad7877_platform_data bfin_ad7877_ts_info = {
};
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
static struct bfin5xx_spi_chip spidev_chip_info = {
.enable_dma = 0,
.bits_per_word = 8,
};
#endif
static struct spi_board_info bfin_spi_board_info[] __initdata = {
#if defined(CONFIG_MTD_M25P80) \
|| defined(CONFIG_MTD_M25P80_MODULE)
@ -593,6 +600,15 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
.controller_data = &spi_ad7877_chip_info,
},
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
{
.modalias = "spidev",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 1,
.controller_data = &spidev_chip_info,
},
#endif
};
/* SPI controller data */

16
arch/blackfin/mach-bf548/boards/ezkit.c
View File

@ -420,6 +420,13 @@ static const struct ad7877_platform_data bfin_ad7877_ts_info = {
};
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
static struct bfin5xx_spi_chip spidev_chip_info = {
.enable_dma = 0,
.bits_per_word = 8,
};
#endif
static struct spi_board_info bf54x_spi_board_info[] __initdata = {
#if defined(CONFIG_MTD_M25P80) \
|| defined(CONFIG_MTD_M25P80_MODULE)
@ -445,6 +452,15 @@ static struct spi_board_info bf54x_spi_board_info[] __initdata = {
.controller_data = &spi_ad7877_chip_info,
},
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
{
.modalias = "spidev",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 1,
.controller_data = &spidev_chip_info,
},
#endif
};
/* SPI (0) */

16
arch/blackfin/mach-bf561/boards/ezkit.c
View File

@ -266,6 +266,13 @@ static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
.bits_per_word = 16,
};
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
static struct bfin5xx_spi_chip spidev_chip_info = {
.enable_dma = 0,
.bits_per_word = 8,
};
#endif
#endif
/* SPI (0) */
@ -310,6 +317,15 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
.controller_data = &ad1836_spi_chip_info,
},
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
{
.modalias = "spidev",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 1,
.controller_data = &spidev_chip_info,
},
#endif
};
#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)

44
include/asm-blackfin/bfin5xx_spi.h
View File

@ -1,6 +1,6 @@
/************************************************************
*
* Copyright (C) 2004, Analog Devices. All Rights Reserved
* Copyright (C) 2006-2008, Analog Devices. All Rights Reserved
*
* FILE bfin5xx_spi.h
* PROGRAMMER(S): Luke Yang (Analog Devices Inc.)
@ -32,42 +32,6 @@
#define SPI_BAUD_OFF 0x14
#define SPI_SHAW_OFF 0x18
#define CMD_SPI_OUT_ENABLE 1
#define CMD_SPI_SET_BAUDRATE 2
#define CMD_SPI_SET_POLAR 3
#define CMD_SPI_SET_PHASE 4
#define CMD_SPI_SET_MASTER 5
#define CMD_SPI_SET_SENDOPT 6
#define CMD_SPI_SET_RECVOPT 7
#define CMD_SPI_SET_ORDER 8
#define CMD_SPI_SET_LENGTH16 9
#define CMD_SPI_GET_STAT 11
#define CMD_SPI_GET_CFG 12
#define CMD_SPI_SET_CSAVAIL 13
#define CMD_SPI_SET_CSHIGH 14 /* CS unavail */
#define CMD_SPI_SET_CSLOW 15 /* CS avail */
#define CMD_SPI_MISO_ENABLE 16
#define CMD_SPI_SET_CSENABLE 17
#define CMD_SPI_SET_CSDISABLE 18
#define CMD_SPI_SET_TRIGGER_MODE 19
#define CMD_SPI_SET_TRIGGER_SENSE 20
#define CMD_SPI_SET_TRIGGER_EDGE 21
#define CMD_SPI_SET_TRIGGER_LEVEL 22
#define CMD_SPI_SET_TIME_SPS 23
#define CMD_SPI_SET_TIME_SAMPLES 24
#define CMD_SPI_GET_SYSTEMCLOCK 25
#define CMD_SPI_SET_WRITECONTINUOUS 26
#define CMD_SPI_SET_SKFS 27
#define CMD_SPI_GET_ALLCONFIG 32 /* For debug */
#define SPI_DEFAULT_BARD 0x0100
#define SPI0_IRQ_NUM IRQ_SPI
#define SPI_ERR_TRIG -1
#define BIT_CTL_ENABLE 0x4000
#define BIT_CTL_OPENDRAIN 0x2000
@ -148,6 +112,10 @@
#define CFG_SPI_CS6VALUE 6
#define CFG_SPI_CS7VALUE 7
#define CMD_SPI_SET_BAUDRATE 2
#define CMD_SPI_GET_SYSTEMCLOCK 25
#define CMD_SPI_SET_WRITECONTINUOUS 26
/* device.platform_data for SSP controller devices */
struct bfin5xx_spi_master {
u16 num_chipselect;