mfd: Add support for twl6041

The delta between twl6040 and twl6041 is small, the main difference is in
the number of GPOs (3 on twl6040, 1 on twl6041).

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

3 files changed, 3 insertions, 1 deletions

diff --git a/Documentation/devicetree/bindings/mfd/twl6040.txt b/Documentation/devicetree/bindings/mfd/twl6040.txt
index bc67c6f424aa..c855240f3a0e 100644
--- a/Documentation/devicetree/bindings/mfd/twl6040.txt
+++ b/Documentation/devicetree/bindings/mfd/twl6040.txt
@@ -6,7 +6,7 @@ They are connected ot the host processor via i2c for commands, McPDM for audio
 data and commands.
 
 Required properties:
-- compatible : Must be "ti,twl6040";
+- compatible : "ti,twl6040" for twl6040, "ti,twl6041" for twl6041
 - reg: must be 0x4b for i2c address
 - interrupts: twl6040 has one interrupt line connecteded to the main SoC
 - interrupt-parent: The parent interrupt controller
diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c
index 5f620ae3b1f9..b0fad0ffca56 100644
--- a/drivers/mfd/twl6040-core.c
+++ b/drivers/mfd/twl6040-core.c
@@ -679,6 +679,7 @@ static int __devexit twl6040_remove(struct i2c_client *client)
 
 static const struct i2c_device_id twl6040_i2c_id[] = {
         { "twl6040", 0, },
+        { "twl6041", 0, },
         { },
 };
 MODULE_DEVICE_TABLE(i2c, twl6040_i2c_id);
diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h
index 00b330e578b1..eaad49f7c130 100644
--- a/include/linux/mfd/twl6040.h
+++ b/include/linux/mfd/twl6040.h
@@ -163,6 +163,7 @@
 #define TWL6040_REV_ES1_0               0x00
 #define TWL6040_REV_ES1_1               0x01 /* Rev ES1.1 and ES1.2 */
 #define TWL6040_REV_ES1_3               0x02
+#define TWL6041_REV_ES2_0               0x10
 
 #define TWL6040_IRQ_TH                  0
 #define TWL6040_IRQ_PLUG                1