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>
diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index 99b388e..849c5d0 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 @@
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 @@
#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 {