From 6e668936db12550ab5a6a758f236140101e5a644 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Sat, 9 Feb 2008 01:54:09 +0800 Subject: [PATCH] [Blackfin] arch: Encourage users to use the spidev character driver: Provide platform support - Enable kernel generic spidev driver for blackfin SPI ADC - spi_adc driver, document and test sample not synced Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf527/boards/ezkit.c | 17 ++++++++++ arch/blackfin/mach-bf533/boards/ezkit.c | 16 +++++++++ arch/blackfin/mach-bf533/boards/stamp.c | 16 +++++++++ arch/blackfin/mach-bf537/boards/stamp.c | 16 +++++++++ arch/blackfin/mach-bf548/boards/ezkit.c | 16 +++++++++ arch/blackfin/mach-bf561/boards/ezkit.c | 16 +++++++++ include/asm-blackfin/bfin5xx_spi.h | 44 ++++--------------------- 7 files changed, 103 insertions(+), 38 deletions(-) diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c index 1795aab79064..b0c17afd4b76 100644 --- a/arch/blackfin/mach-bf527/boards/ezkit.c +++ b/arch/blackfin/mach-bf527/boards/ezkit.c @@ -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 */ diff --git a/arch/blackfin/mach-bf533/boards/ezkit.c b/arch/blackfin/mach-bf533/boards/ezkit.c index 4026c2f3ab4e..4a42d624e558 100644 --- a/arch/blackfin/mach-bf533/boards/ezkit.c +++ b/arch/blackfin/mach-bf533/boards/ezkit.c @@ -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) */ diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c index 41ec72f8a08c..a645f6fd091b 100644 --- a/arch/blackfin/mach-bf533/boards/stamp.c +++ b/arch/blackfin/mach-bf533/boards/stamp.c @@ -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) */ diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c index 119e6ea83384..9e2277e0d25c 100644 --- a/arch/blackfin/mach-bf537/boards/stamp.c +++ b/arch/blackfin/mach-bf537/boards/stamp.c @@ -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 */ diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c index 638da39a2f34..d5330d4f79d3 100644 --- a/arch/blackfin/mach-bf548/boards/ezkit.c +++ b/arch/blackfin/mach-bf548/boards/ezkit.c @@ -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) */ diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c b/arch/blackfin/mach-bf561/boards/ezkit.c index 63259d0828af..43c1b0982819 100644 --- a/arch/blackfin/mach-bf561/boards/ezkit.c +++ b/arch/blackfin/mach-bf561/boards/ezkit.c @@ -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) diff --git a/include/asm-blackfin/bfin5xx_spi.h b/include/asm-blackfin/bfin5xx_spi.h index 1a0b57f6a3d4..9fa19158e38d 100644 --- a/include/asm-blackfin/bfin5xx_spi.h +++ b/include/asm-blackfin/bfin5xx_spi.h @@ -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; -- 2.20.1