Blackfin arch: add BF54x I2C/TWI TWI0 driver support

Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index da16478..1842f52 100644 (file)
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -92,9 +92,9 @@ config I2C_AU1550
 
 config I2C_BLACKFIN_TWI
        tristate "Blackfin TWI I2C support"
-       depends on BF534 || BF536 || BF537
+       depends on BF534 || BF536 || BF537 || BF54x
        help
-         This is the TWI I2C device driver for Blackfin 534/536/537.
+         This is the TWI I2C device driver for Blackfin 534/536/537/54x.
          This driver can also be built as a module.  If so, the module
          will be called i2c-bfin-twi.
 

diff --git a/include/asm-blackfin/mach-bf548/cdefBF54x_base.h b/include/asm-blackfin/mach-bf548/cdefBF54x_base.h
index 98d35a9..cdf29e7 100644 (file)
--- a/include/asm-blackfin/mach-bf548/cdefBF54x_base.h
+++ b/include/asm-blackfin/mach-bf548/cdefBF54x_base.h
@@ -242,6 +242,39 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
 #define bfin_read_TWI0_RCV_DATA16()            bfin_read16(TWI0_RCV_DATA16)
 #define bfin_write_TWI0_RCV_DATA16(val)                bfin_write16(TWI0_RCV_DATA16, val)
 
+#define bfin_read_TWI_CLKDIV()                 bfin_read16(TWI0_CLKDIV)
+#define bfin_write_TWI_CLKDIV(val)             bfin_write16(TWI0_CLKDIV, val)
+#define bfin_read_TWI_CONTROL()                        bfin_read16(TWI0_CONTROL)
+#define bfin_write_TWI_CONTROL(val)            bfin_write16(TWI0_CONTROL, val)
+#define bfin_read_TWI_SLAVE_CTRL()             bfin_read16(TWI0_SLAVE_CTRL)
+#define bfin_write_TWI_SLAVE_CTRL(val)         bfin_write16(TWI0_SLAVE_CTRL, val)
+#define bfin_read_TWI_SLAVE_STAT()             bfin_read16(TWI0_SLAVE_STAT)
+#define bfin_write_TWI_SLAVE_STAT(val)         bfin_write16(TWI0_SLAVE_STAT, val)
+#define bfin_read_TWI_SLAVE_ADDR()             bfin_read16(TWI0_SLAVE_ADDR)
+#define bfin_write_TWI_SLAVE_ADDR(val)         bfin_write16(TWI0_SLAVE_ADDR, val)
+#define bfin_read_TWI_MASTER_CTL()             bfin_read16(TWI0_MASTER_CTRL)
+#define bfin_write_TWI_MASTER_CTL(val)         bfin_write16(TWI0_MASTER_CTRL, val)
+#define bfin_read_TWI_MASTER_STAT()            bfin_read16(TWI0_MASTER_STAT)
+#define bfin_write_TWI_MASTER_STAT(val)                bfin_write16(TWI0_MASTER_STAT, val)
+#define bfin_read_TWI_MASTER_ADDR()            bfin_read16(TWI0_MASTER_ADDR)
+#define bfin_write_TWI_MASTER_ADDR(val)                bfin_write16(TWI0_MASTER_ADDR, val)
+#define bfin_read_TWI_INT_STAT()               bfin_read16(TWI0_INT_STAT)
+#define bfin_write_TWI_INT_STAT(val)           bfin_write16(TWI0_INT_STAT, val)
+#define bfin_read_TWI_INT_MASK()               bfin_read16(TWI0_INT_MASK)
+#define bfin_write_TWI_INT_MASK(val)           bfin_write16(TWI0_INT_MASK, val)
+#define bfin_read_TWI_FIFO_CTL()               bfin_read16(TWI0_FIFO_CTRL)
+#define bfin_write_TWI_FIFO_CTL(val)           bfin_write16(TWI0_FIFO_CTRL, val)
+#define bfin_read_TWI_FIFO_STAT()              bfin_read16(TWI0_FIFO_STAT)
+#define bfin_write_TWI_FIFO_STAT(val)          bfin_write16(TWI0_FIFO_STAT, val)
+#define bfin_read_TWI_XMT_DATA8()              bfin_read16(TWI0_XMT_DATA8)
+#define bfin_write_TWI_XMT_DATA8(val)          bfin_write16(TWI0_XMT_DATA8, val)
+#define bfin_read_TWI_XMT_DATA16()             bfin_read16(TWI0_XMT_DATA16)
+#define bfin_write_TWI_XMT_DATA16(val)         bfin_write16(TWI0_XMT_DATA16, val)
+#define bfin_read_TWI_RCV_DATA8()              bfin_read16(TWI0_RCV_DATA8)
+#define bfin_write_TWI_RCV_DATA8(val)          bfin_write16(TWI0_RCV_DATA8, val)
+#define bfin_read_TWI_RCV_DATA16()             bfin_read16(TWI0_RCV_DATA16)
+#define bfin_write_TWI_RCV_DATA16(val)         bfin_write16(TWI0_RCV_DATA16, val)
+
 /* SPORT0 is not defined in the shared file because it is not available on the ADSP-BF542 and ADSP-BF544 bfin_read_()rocessors */
 
 /* SPORT1 Registers */

diff --git a/include/asm-blackfin/mach-bf548/irq.h b/include/asm-blackfin/mach-bf548/irq.h
index 0b3325b..e548d3c 100644 (file)
--- a/include/asm-blackfin/mach-bf548/irq.h
+++ b/include/asm-blackfin/mach-bf548/irq.h
@@ -112,6 +112,7 @@ Events         (highest priority)  EMU         0
 #define IRQ_ATAPI_TX   BFIN_IRQ(44)    /* ATAPI TX (DMA11) Interrupt */
 #define IRQ_TWI0       BFIN_IRQ(45)    /* TWI0 Interrupt */
 #define IRQ_TWI1       BFIN_IRQ(46)    /* TWI1 Interrupt */
+#define IRQ_TWI                IRQ_TWI0        /* TWI Interrupt */
 #define IRQ_CAN0_RX    BFIN_IRQ(47)    /* CAN0 Receive Interrupt */
 #define IRQ_CAN0_TX    BFIN_IRQ(48)    /* CAN0 Transmit Interrupt */
 #define IRQ_MDMAS2     BFIN_IRQ(49)    /* MDMA Stream 2 Interrupt */