power: axp209: Registers definitions in header

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/include/axp209.h b/include/axp209.h
index 0436249..d36da41 100644
--- a/include/axp209.h
+++ b/include/axp209.h
@@ -4,6 +4,44 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
+enum axp209_reg {
+	AXP209_POWER_STATUS = 0x00,
+	AXP209_CHIP_VERSION = 0x03,
+	AXP209_DCDC2_VOLTAGE = 0x23,
+	AXP209_DCDC3_VOLTAGE = 0x27,
+	AXP209_LDO24_VOLTAGE = 0x28,
+	AXP209_LDO3_VOLTAGE = 0x29,
+	AXP209_IRQ_ENABLE1 = 0x40,
+	AXP209_IRQ_ENABLE2 = 0x41,
+	AXP209_IRQ_ENABLE3 = 0x42,
+	AXP209_IRQ_ENABLE4 = 0x43,
+	AXP209_IRQ_ENABLE5 = 0x44,
+	AXP209_IRQ_STATUS5 = 0x4c,
+	AXP209_SHUTDOWN = 0x32,
+	AXP209_GPIO0_CTRL = 0x90,
+	AXP209_GPIO1_CTRL = 0x92,
+	AXP209_GPIO2_CTRL = 0x93,
+	AXP209_GPIO_STATE = 0x94,
+	AXP209_GPIO3_CTRL = 0x95,
+};
+
+#define AXP209_POWER_STATUS_ON_BY_DC	(1 << 0)
+#define AXP209_POWER_STATUS_VBUS_USABLE	(1 << 4)
+
+#define AXP209_IRQ5_PEK_UP		(1 << 6)
+#define AXP209_IRQ5_PEK_DOWN		(1 << 5)
+
+#define AXP209_POWEROFF			(1 << 7)
+
+#define AXP209_GPIO_OUTPUT_LOW		0x00 /* Drive pin low */
+#define AXP209_GPIO_OUTPUT_HIGH		0x01 /* Drive pin high */
+#define AXP209_GPIO_INPUT		0x02 /* Float pin */
+
+/* GPIO3 is different from the others */
+#define AXP209_GPIO3_OUTPUT_LOW		0x00 /* Drive pin low, Output mode */
+#define AXP209_GPIO3_OUTPUT_HIGH	0x02 /* Float pin, Output mode */
+#define AXP209_GPIO3_INPUT		0x06 /* Float pin, Input mode */
+
 #define AXP_GPIO
 
 extern int axp209_set_dcdc2(int mvolt);