drivers: gpio: implement PALMAS GPIO cell
Add gpio driver for TI Palmas series PMIC. This has 8 gpio which can
work as input/output.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
diff --git a/include/power/palmas.h b/include/power/palmas.h
index 0a61205..94c99dd 100644
--- a/include/power/palmas.h
+++ b/include/power/palmas.h
@@ -15,6 +15,7 @@
#define PALMAS_LDO_DRIVER "palmas_ldo"
#define PALMAS_SMPS_DRIVER "palmas_smps"
#define PALMAS_RST_DRIVER "palmas_rst"
+#define PALMAS_GPIO_DRIVER "palmas_gpio"
#define PALMAS_SMPS_VOLT_MASK 0x7F
#define PALMAS_SMPS_RANGE_MASK 0x80
@@ -35,3 +36,14 @@
#define DEV_OFF 0x00
#define PALMAS_INT3_MASK 0x1B
#define MASK_VBUS BIT(7)
+
+/* second chip */
+#define PALMAS_GPIO_DATA_IN 0x80
+#define PALMAS_GPIO_DATA_DIR 0x81
+#define PALMAS_GPIO_DATA_OUT 0x82
+#define PALMAS_GPIO_DEBOUNCE_EN 0x83
+#define PALMAS_GPIO_CLEAR_DATA_OUT 0x84
+#define PALMAS_GPIO_SET_DATA_OUT 0x85
+#define PALMAS_PU_PD_GPIO_CTRL1 0x86
+#define PALMAS_PU_PD_GPIO_CTRL2 0x87
+#define PALMAS_OD_OUTPUT_GPIO_CTRL 0x88