mfd: twl6040: Add twl6040-gpio child
Add needed platform data structure and code to be able to load
the GPO child of twl6040.
Update the devicetree binding documentation at the same time.
Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h
index 269b706..8991532 100644
--- a/include/linux/mfd/twl6040.h
+++ b/include/linux/mfd/twl6040.h
@@ -158,7 +158,7 @@
#define TWL6040_VIBROCDET 0x20
#define TWL6040_TSHUTDET 0x40
-#define TWL6040_CELLS 2
+#define TWL6040_CELLS 3
#define TWL6040_REV_ES1_0 0x00
#define TWL6040_REV_ES1_1 0x01 /* Rev ES1.1 and ES1.2 */
@@ -176,6 +176,8 @@
#define TWL6040_SYSCLK_SEL_LPPLL 0
#define TWL6040_SYSCLK_SEL_HPPLL 1
+#define TWL6040_GPO_MAX 3
+
struct twl6040_codec_data {
u16 hs_left_step;
u16 hs_right_step;
@@ -192,12 +194,17 @@
int vddvibr_uV; /* VDDVIBR volt, set 0 for fixed reg */
};
+struct twl6040_gpo_data {
+ int gpio_base;
+};
+
struct twl6040_platform_data {
int audpwron_gpio; /* audio power-on gpio */
unsigned int irq_base;
struct twl6040_codec_data *codec;
struct twl6040_vibra_data *vibra;
+ struct twl6040_gpo_data *gpo;
};
struct regmap;