diff options
| author | Michael Hennerich <michael.hennerich@analog.com> | 2010-05-25 01:33:16 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-25 19:07:04 +0400 |
| commit | 59592d0ccc0000d74ea5fc2a59e3ec0c9ef1fb13 (patch) | |
| tree | 7a871ad14dfd9e438684787332663fba6f4db7ed /drivers/misc/ad525x_dpot.h | |
| parent | c74cba610c9559e72377fd9725a3d329581aa256 (diff) | |
| download | linux-59592d0ccc0000d74ea5fc2a59e3ec0c9ef1fb13.tar.xz | |
ad525x_dpot: add support for one time programmable pots
New parts supported:
AD5170, AD5171, AD5172, AD5173, AD5273
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 | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h index d789a95cbe09..78b89fd2e2fd 100644 --- a/drivers/misc/ad525x_dpot.h +++ b/drivers/misc/ad525x_dpot.h @@ -15,17 +15,18 @@ (((features) << 18) | (((wipers) & 0xFF) << 10) | \ ((max_pos & 0xF) << 6) | (uid & 0x3F)) -#define DPOT_UID(conf) (conf & 0x3F) -#define DPOT_MAX_POS(conf) ((conf >> 6) & 0xF) -#define DPOT_WIPERS(conf) ((conf >> 10) & 0xFF) -#define DPOT_FEAT(conf) (conf >> 18) - -#define BRDAC0 (1 << 0) -#define BRDAC1 (1 << 1) -#define BRDAC2 (1 << 2) -#define BRDAC3 (1 << 3) -#define BRDAC4 (1 << 4) -#define BRDAC5 (1 << 5) +#define DPOT_UID(conf) (conf & 0x3F) +#define DPOT_MAX_POS(conf) ((conf >> 6) & 0xF) +#define DPOT_WIPERS(conf) ((conf >> 10) & 0xFF) +#define DPOT_FEAT(conf) (conf >> 18) + +#define BRDAC0 (1 << 0) +#define BRDAC1 (1 << 1) +#define BRDAC2 (1 << 2) +#define BRDAC3 (1 << 3) +#define BRDAC4 (1 << 4) +#define BRDAC5 (1 << 5) +#define MAX_RDACS 6 #define F_CMD_INC (1 << 0) /* Features INC/DEC ALL, 6dB */ #define F_CMD_EEP (1 << 1) /* Features EEPROM */ @@ -116,6 +117,11 @@ enum dpot_devid { AD5282_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 41), ADN2860_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC, BRDAC0 | BRDAC1 | BRDAC2, 9, 42), + AD5273_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 6, 43), + AD5171_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 6, 44), + AD5170_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 8, 45), + AD5172_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0 | BRDAC1, 8, 46), + AD5173_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0 | BRDAC1, 8, 47), }; #define DPOT_RDAC0 0 @@ -136,9 +142,11 @@ enum dpot_devid { #define DPOT_TOL_RDAC5 (DPOT_REG_TOL | DPOT_RDAC5) /* RDAC-to-EEPROM Interface Commands */ -#define DPOT_ADDR_RDAC (0x00 << 5) -#define DPOT_ADDR_EEPROM (0x01 << 5) -#define DPOT_ADDR_CMD (0x80) +#define DPOT_ADDR_RDAC (0x0 << 5) +#define DPOT_ADDR_EEPROM (0x1 << 5) +#define DPOT_ADDR_OTP (0x1 << 6) +#define DPOT_ADDR_CMD (0x1 << 7) +#define DPOT_ADDR_OTP_EN (0x1 << 9) #define DPOT_DEC_ALL_6DB (DPOT_ADDR_CMD | (0x4 << 3)) #define DPOT_INC_ALL_6DB (DPOT_ADDR_CMD | (0x9 << 3)) @@ -161,6 +169,12 @@ enum dpot_devid { /* AD524x use special commands */ #define DPOT_AD5291_RDAC_AB 0x80 +#define DPOT_AD5273_FUSE 0x80 +#define DPOT_AD5270_2_3_FUSE 0x20 +#define DPOT_AD5270_2_3_OW 0x08 +#define DPOT_AD5272_3_A0 0x08 +#define DPOT_AD5270_2FUSE 0x80 + struct dpot_data; struct ad_dpot_bus_ops { |