ARMV7: OMAP4: twl6030 add battery charging support
Add battery charging support twl6030 driver.
Add support for battery voltage and current measurements.
Add command to get battery status and start/stop battery charging from USB.
Signed-off-by: Balaji T K <balajitk@ti.com>
Tested-by: Steve Sakoman <steve.sakoman@linaro.org>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/include/configs/omap4_sdp4430.h b/include/configs/omap4_sdp4430.h
index ed0bd41..bdd330a 100644
--- a/include/configs/omap4_sdp4430.h
+++ b/include/configs/omap4_sdp4430.h
@@ -102,6 +102,7 @@
/* TWL6030 */
#define CONFIG_TWL6030_POWER 1
+#define CONFIG_CMD_BAT 1
/* MMC */
#define CONFIG_GENERIC_MMC 1
diff --git a/include/twl6030.h b/include/twl6030.h
index 54923ab..6ed68a0 100644
--- a/include/twl6030.h
+++ b/include/twl6030.h
@@ -32,6 +32,18 @@
#define TWL6030_CHIP_CHARGER 0x49
#define TWL6030_CHIP_PWM 0x49
+/* Slave Address 0x48 */
+#define VUSB_CFG_STATE 0xA2
+
+#define MISC1 0xE4
+#define VAC_MEAS (1 << 2)
+#define VBAT_MEAS (1 << 1)
+#define BB_MEAS (1 << 0)
+
+#define MISC2 0xE5
+
+/* Slave Address 0x49 */
+
/* Battery CHARGER REGISTERS */
#define CONTROLLER_INT_MASK 0xE0
#define CONTROLLER_CTRL1 0xE1
@@ -76,16 +88,45 @@
#define CHARGERUSB_VOREG_4P0 0x19
#define CHARGERUSB_VOREG_4P2 0x23
#define CHARGERUSB_VOREG_4P76 0x3F
+/* CHARGERUSB_CTRL1 */
+#define SUSPEND_BOOT (1 << 7)
+#define OPA_MODE (1 << 6)
+#define HZ_MODE (1 << 5)
+#define TERM (1 << 4)
/* CHARGERUSB_CTRL2 */
#define CHARGERUSB_CTRL2_VITERM_50 (0 << 5)
#define CHARGERUSB_CTRL2_VITERM_100 (1 << 5)
#define CHARGERUSB_CTRL2_VITERM_150 (2 << 5)
+#define CHARGERUSB_CTRL2_VITERM_400 (7 << 5)
/* CONTROLLER_CTRL1 */
#define CONTROLLER_CTRL1_EN_CHARGER (1 << 4)
#define CONTROLLER_CTRL1_SEL_CHARGER (1 << 3)
+/* CONTROLLER_STAT1 */
+#define CHRG_EXTCHRG_STATZ (1 << 7)
+#define CHRG_DET_N (1 << 5)
+#define VAC_DET (1 << 3)
+#define VBUS_DET (1 << 2)
-#define VUSB_CFG_STATE 0xA2
-#define MISC2 0xE5
+#define FG_REG_10 0xCA
+#define FG_REG_11 0xCB
+
+#define TOGGLE1 0x90
+#define FGS (1 << 5)
+#define FGR (1 << 4)
+#define GPADCS (1 << 1)
+#define GPADCR (1 << 0)
+
+#define CTRL_P2 0x34
+#define CTRL_P2_SP2 (1 << 2)
+#define CTRL_P2_EOCP2 (1 << 1)
+#define CTRL_P2_BUSY (1 << 0)
+
+#define GPCH0_LSB 0x57
+#define GPCH0_MSB 0x58
void twl6030_init_battery_charging(void);
void twl6030_usb_device_settings(void);
+void twl6030_start_usb_charging(void);
+void twl6030_stop_usb_charging(void);
+int twl6030_get_battery_voltage(void);
+int twl6030_get_battery_current(void);