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--- a/drivers/cbus/tahvo.h
+++ b/drivers/cbus/tahvo.h
@@ -30,12 +30,23 @@
#define TAHVO_REG_IDR 0x01 /* Interrupt ID */
#define TAHVO_REG_IDSR 0x02 /* Interrupt status */
#define TAHVO_REG_IMR 0x03 /* Interrupt mask */
+#define TAHVO_REG_CHGCURR 0x04 /* Charge current control PWM (8-bit) */
#define TAHVO_REG_LEDPWMR 0x05 /* LED PWM */
#define TAHVO_REG_USBR 0x06 /* USB control */
+#define TAHVO_REG_CHGCTL 0x08 /* Charge control register */
+#define TAHVO_REG_CHGCTL_EN 0x0001 /* Global charge enable */
+#define TAHVO_REG_CHGCTL_PWMOVR 0x0004 /* PWM override. Force charge PWM to 0%/100% duty cycle. */
+#define TAHVO_REG_CHGCTL_PWMOVRZERO 0x0008 /* If set, PWM override is 0% (If unset -> 100%) */
+#define TAHVO_REG_CHGCTL_CURMEAS 0x0040 /* Enable battery current measurement. */
+#define TAHVO_REG_CHGCTL_CURTIMRST 0x0080 /* Current measure timer reset. */
+#define TAHVO_REG_BATCURRTIMER 0x0c /* Battery current measure timer (8-bit) */
+#define TAHVO_REG_BATCURR 0x0d /* Battery (dis)charge current (signed 16-bit) */
+
#define TAHVO_REG_MAX 0x0d
/* Interrupt sources */
#define TAHVO_INT_VBUSON 0
+#define TAHVO_INT_BATCURR 7 /* Battery current measure timer */
#define MAX_TAHVO_IRQ_HANDLERS 8
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