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| author | Michael Hennerich <michael.hennerich@analog.com> | 2010-05-24 14:33:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-25 08:07:04 -0700 |
| commit | e3ae68476ce0636554b5d95a33777f80ba407dc0 (patch) | |
| tree | 3aa1fbefa2d573e1830914fe899f79caf90157d8 /drivers/misc/ad525x_dpot.h | |
| parent | 6c536e4ce8edd61fdc4ab68e19ae164a54fc958f (diff) | |
| download | lwn-e3ae68476ce0636554b5d95a33777f80ba407dc0.tar.gz lwn-e3ae68476ce0636554b5d95a33777f80ba407dc0.zip | |
ad525x_dpot: add support for AD524x pots
New parts supported:
AD5241, AD5242, AD5243, AD5245, AD5246, AD5247, AD5248
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc/ad525x_dpot.h')
| -rw-r--r-- | drivers/misc/ad525x_dpot.h | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h index 99b388e12f5f..849c5d0782b2 100644 --- a/drivers/misc/ad525x_dpot.h +++ b/drivers/misc/ad525x_dpot.h @@ -29,13 +29,14 @@ #define F_CMD_INC (1 << 0) /* Features INC/DEC ALL, 6dB */ #define F_CMD_EEP (1 << 1) /* Features EEPROM */ -#define F_CMD_TOL (1 << 2) /* RDACS are Read/Write + Tolerance REG */ -#define F_RDACS_RW (1 << 3) /* RDACS are Read/Write + Tolerance REG */ -#define F_RDACS_WONLY (1 << 4) /* RDACS are Write only */ -#define F_AD_APPDATA (1 << 5) /* RDAC Address append to data */ -#define F_SPI_8BIT (1 << 6) /* All SPI XFERS are 8-bit */ -#define F_SPI_16BIT (1 << 7) /* All SPI XFERS are 16-bit */ -#define F_SPI_24BIT (1 << 8) /* All SPI XFERS are 24-bit */ +#define F_CMD_OTP (1 << 2) /* Features OTP */ +#define F_CMD_TOL (1 << 3) /* RDACS feature Tolerance REG */ +#define F_RDACS_RW (1 << 4) /* RDACS are Read/Write */ +#define F_RDACS_WONLY (1 << 5) /* RDACS are Write only */ +#define F_AD_APPDATA (1 << 6) /* RDAC Address append to data */ +#define F_SPI_8BIT (1 << 7) /* All SPI XFERS are 8-bit */ +#define F_SPI_16BIT (1 << 8) /* All SPI XFERS are 16-bit */ +#define F_SPI_24BIT (1 << 9) /* All SPI XFERS are 24-bit */ #define F_RDACS_RW_TOL (F_RDACS_RW | F_CMD_EEP | F_CMD_TOL) #define F_RDACS_RW_EEP (F_RDACS_RW | F_CMD_EEP) @@ -104,6 +105,15 @@ enum dpot_devid { BRDAC0 | BRDAC1 | BRDAC2, 8, 31), ADN2850_ID = DPOT_CONF(F_RDACS_RW_EEP | F_CMD_INC | F_SPI_24BIT, BRDAC0 | BRDAC1, 10, 32), + AD5241_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 33), + AD5242_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 34), + AD5243_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 35), + AD5245_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 36), + AD5246_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 37), + AD5247_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 38), + AD5248_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 39), + + }; #define DPOT_RDAC0 0 @@ -146,6 +156,9 @@ enum dpot_devid { #define DPOT_AD5291_RDAC 0x01 #define DPOT_AD5291_READ_RDAC 0x02 +/* AD524x use special commands */ +#define DPOT_AD5291_RDAC_AB 0x80 + struct dpot_data; struct ad_dpot_bus_ops { |