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authorMichael Hennerich <michael.hennerich@analog.com>2010-10-27 01:22:36 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 03:52:14 +0400
commita4bd394956f20d0bfc0ca6ecfac2af4150da274a (patch)
tree5513a0ad4c7cedeb98fc0c521ff13d39752e729d /drivers/misc/ad525x_dpot.h
parent5f400cf40fc703673aa791966ffb1c628c1ff45a (diff)
downloadlinux-a4bd394956f20d0bfc0ca6ecfac2af4150da274a.tar.xz
drivers/misc/ad525x_dpot.c: new features
Add support for AD5270, AD5271, AD5272, AD5274 digital potentiometers. Add 20-TP feature for AD5291 and AD5292 parts, and update feature list. AD5291 rdac read back must be shifted by two. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Chris Verges <chrisv@cyberswitching.com> 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.h23
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index 7609d49efd31..3b9e355489ae 100644
--- a/drivers/misc/ad525x_dpot.h
+++ b/drivers/misc/ad525x_dpot.h
@@ -93,8 +93,10 @@ enum dpot_devid {
BRDAC0 | BRDAC1 | BRDAC2 | BRDAC3, 8, 23),
AD5290_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
BRDAC0, 8, 24),
- AD5291_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 8, 25),
- AD5292_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 10, 26),
+ AD5291_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT | F_CMD_OTP,
+ BRDAC0, 8, 25),
+ AD5292_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT | F_CMD_OTP,
+ BRDAC0, 10, 26),
AD5293_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 10, 27),
AD7376_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
BRDAC0, 7, 28),
@@ -122,6 +124,12 @@ enum dpot_devid {
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),
+ AD5270_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP | F_SPI_16BIT,
+ BRDAC0, 10, 48),
+ AD5271_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP | F_SPI_16BIT,
+ BRDAC0, 8, 49),
+ AD5272_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 10, 50),
+ AD5274_ID = DPOT_CONF(F_RDACS_RW | F_CMD_OTP, BRDAC0, 8, 51),
};
#define DPOT_RDAC0 0
@@ -165,10 +173,19 @@ enum dpot_devid {
/* AD5291/2/3 use special commands */
#define DPOT_AD5291_RDAC 0x01
#define DPOT_AD5291_READ_RDAC 0x02
+#define DPOT_AD5291_STORE_XTPM 0x03
+#define DPOT_AD5291_CTRLREG 0x06
+#define DPOT_AD5291_UNLOCK_CMD 0x03
-#define DPOT_AD5291_RDAC_AB 0x80
+/* AD5270/1/2/4 use special commands */
+#define DPOT_AD5270_1_2_4_RDAC 0x01
+#define DPOT_AD5270_1_2_4_READ_RDAC 0x02
+#define DPOT_AD5270_1_2_4_STORE_XTPM 0x03
+#define DPOT_AD5270_1_2_4_CTRLREG 0x07
+#define DPOT_AD5270_1_2_4_UNLOCK_CMD 0x03
#define DPOT_AD5282_RDAC_AB 0x80
+
#define DPOT_AD5273_FUSE 0x80
#define DPOT_AD5170_2_3_FUSE 0x20
#define DPOT_AD5170_2_3_OW 0x08