gta01-pcf50606.patch

This is a NXP PCF50606 power management unit driver.

The PCF50606 is used in the FIC/OpenMoko Neo1973 GTA01 GSM phone.

Signed-off-by: Harald Welte <laforge@openmoko.org>

2 files changed, 109 insertions, 0 deletions

diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h
index 01d67ba9e98..0709642816c 100644
--- a/include/linux/i2c-id.h
+++ b/include/linux/i2c-id.h
@@ -83,6 +83,7 @@
 #define I2C_DRIVERID_CS5345	96	/* cs5345 audio processor	*/
 
 #define I2C_DRIVERID_OV7670 1048	/* Omnivision 7670 camera */
+#define I2C_DRIVERID_PCF50606 1049
 
 /*
  * ---- Adapter types ----------------------------------------------------
diff --git a/include/linux/pcf50606.h b/include/linux/pcf50606.h
new file mode 100644
index 00000000000..bc98e476128
--- /dev/null
+++ b/include/linux/pcf50606.h
@@ -0,0 +1,108 @@
+#ifndef _LINUX_PCF50606_H
+#define _LINUX_PCF50606_H
+
+/* public in-kernel pcf50606 api */
+enum pcf50606_regulator_id {
+	PCF50606_REGULATOR_DCD,
+	PCF50606_REGULATOR_DCDE,
+	PCF50606_REGULATOR_DCUD,
+	PCF50606_REGULATOR_D1REG,
+	PCF50606_REGULATOR_D2REG,
+	PCF50606_REGULATOR_D3REG,
+	PCF50606_REGULATOR_LPREG,
+	PCF50606_REGULATOR_IOREG,
+	__NUM_PCF50606_REGULATORS
+};
+
+struct pcf50606_data;
+
+/* This is an ugly construct on how to access the (currently single/global)
+ * pcf50606 handle from other code in the kernel.  I didn't really come up with
+ * a more decent method of dynamically resolving this */
+extern struct pcf50606_data *pcf50606_global;
+
+extern void
+pcf50606_go_standby(void);
+
+extern void
+pcf50606_gpo0_set(struct pcf50606_data *pcf, int on);
+
+extern int
+pcf50606_gpo0_get(struct pcf50606_data *pcf);
+
+extern int
+pcf50606_voltage_set(struct pcf50606_data *pcf,
+		     enum pcf50606_regulator_id reg,
+		     unsigned int millivolts);
+extern unsigned int
+pcf50606_voltage_get(struct pcf50606_data *pcf,
+		     enum pcf50606_regulator_id reg);
+extern int
+pcf50606_onoff_get(struct pcf50606_data *pcf,
+		   enum pcf50606_regulator_id reg);
+
+extern int
+pcf50606_onoff_set(struct pcf50606_data *pcf,
+		   enum pcf50606_regulator_id reg, int on);
+
+extern void
+pcf50606_charge_fast(struct pcf50606_data *pcf, int on);
+
+#define PMU_VRAIL_F_SUSPEND_ON	0x00000001	/* Remains on during suspend */
+#define PMU_VRAIL_F_UNUSED	0x00000002	/* This rail is not used */
+struct pmu_voltage_rail {
+	char *name;
+	unsigned int flags;
+	struct {
+		unsigned int init;
+		unsigned int max;
+	} voltage;
+};
+
+enum pmu_event {
+	PMU_EVT_NONE,
+	PMU_EVT_INSERT,
+	PMU_EVT_REMOVE,
+	__NUM_PMU_EVTS
+};
+
+typedef int pmu_cb(struct device *dev, unsigned int feature,
+		   enum pmu_event event);
+
+#define PCF50606_FEAT_EXTON	0x00000001	/* not yet supported */
+#define PCF50606_FEAT_MBC	0x00000002
+#define PCF50606_FEAT_BBC	0x00000004	/* not yet supported */
+#define PCF50606_FEAT_TSC	0x00000008	/* not yet supported */
+#define PCF50606_FEAT_WDT	0x00000010
+#define PCF50606_FEAT_ACD	0x00000020
+#define PCF50606_FEAT_RTC	0x00000040
+#define PCF50606_FEAT_PWM	0x00000080
+#define PCF50606_FEAT_CHGCUR	0x00000100
+#define PCF50606_FEAT_BATVOLT	0x00000200
+#define PCF50606_FEAT_BATTEMP	0x00000400
+#define PCF50606_FEAT_PWM_BL	0x00000800
+
+struct pcf50606_platform_data {
+	/* general */
+	unsigned int used_features;
+	unsigned int onkey_seconds_required;
+
+	/* voltage regulator related */
+	struct pmu_voltage_rail rails[__NUM_PCF50606_REGULATORS];
+	unsigned int used_regulators;
+
+	/* charger related */
+	unsigned int r_fix_batt;
+	unsigned int r_fix_batt_par;
+	unsigned int r_sense_milli;
+
+	/* backlight related */
+	unsigned int init_brightness;
+
+	struct {
+		u_int8_t mbcc3; /* charger voltage / current */
+	} charger;
+	pmu_cb *cb;
+};
+
+#endif