[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 <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index 1795aab..b0c17af 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -517,6 +517,14 @@
.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 @@
.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 4026c2f..4a42d62 100644
--- a/arch/blackfin/mach-bf533/boards/ezkit.c
+++ b/arch/blackfin/mach-bf533/boards/ezkit.c
@@ -134,6 +134,13 @@
};
#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 @@
.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 41ec72f..a645f6f 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -226,6 +226,13 @@
};
#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 @@
.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 119e6ea..9e2277e 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -487,6 +487,13 @@
};
#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 @@
.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 638da39..d5330d4 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -420,6 +420,13 @@
};
#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 @@
.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 63259d0..43c1b09 100644
--- a/arch/blackfin/mach-bf561/boards/ezkit.c
+++ b/arch/blackfin/mach-bf561/boards/ezkit.c
@@ -266,6 +266,13 @@
.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 @@
.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 1a0b57f..9fa1915 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;