#include <linux/clk.h>
#include <linux/err.h>
+#include <linux/regulator/machine.h>
+
#include <linux/i2c.h>
#include <linux/i2c/twl4030.h>
+#ifdef CONFIG_ARM
+#include <mach/cpu.h>
+#endif
/*
* The TWL4030 "Triton 2" is one of a family of a multi-function "Power
#define twl_has_gpio() false
#endif
+#if defined(CONFIG_REGULATOR_TWL4030) \
+ || defined(CONFIG_REGULATOR_TWL4030_MODULE)
+#define twl_has_regulator() true
+#else
+#define twl_has_regulator() false
+#endif
+
#if defined(CONFIG_TWL4030_MADC) || defined(CONFIG_TWL4030_MADC_MODULE)
#define twl_has_madc() true
#else
#define HIGH_PERF_SQ (1 << 3)
+/* chip-specific feature flags, for i2c_device_id.driver_data */
+#define TWL4030_VAUX2 BIT(0) /* pre-5030 voltage ranges */
+#define TPS_SUBSET BIT(1) /* tps659[23]0 have fewer LDOs */
+
/*----------------------------------------------------------------------*/
/* is driver active, bound to a chip? */
/*----------------------------------------------------------------------*/
-static struct device *add_child(unsigned chip, const char *name,
+static struct device *
+add_numbered_child(unsigned chip, const char *name, int num,
void *pdata, unsigned pdata_len,
bool can_wakeup, int irq0, int irq1)
{
struct twl4030_client *twl = &twl4030_modules[chip];
int status;
- pdev = platform_device_alloc(name, -1);
+ pdev = platform_device_alloc(name, num);
if (!pdev) {
dev_dbg(&twl->client->dev, "can't alloc dev\n");
status = -ENOMEM;
return &pdev->dev;
}
+static inline struct device *add_child(unsigned chip, const char *name,
+ void *pdata, unsigned pdata_len,
+ bool can_wakeup, int irq0, int irq1)
+{
+ return add_numbered_child(chip, name, -1, pdata, pdata_len,
+ can_wakeup, irq0, irq1);
+}
+
+static struct device *
+add_regulator_linked(int num, struct regulator_init_data *pdata,
+ struct regulator_consumer_supply *consumers,
+ unsigned num_consumers)
+{
+ /* regulator framework demands init_data ... */
+ if (!pdata)
+ return NULL;
+
+ if (consumers) {
+ pdata->consumer_supplies = consumers;
+ pdata->num_consumer_supplies = num_consumers;
+ }
+
+ /* NOTE: we currently ignore regulator IRQs, e.g. for short circuits */
+ return add_numbered_child(3, "twl4030_reg", num,
+ pdata, sizeof(*pdata), false, 0, 0);
+}
+
+static struct device *
+add_regulator(int num, struct regulator_init_data *pdata)
+{
+ return add_regulator_linked(num, pdata, NULL, 0);
+}
+
/*
* NOTE: We know the first 8 IRQs after pdata->base_irq are
* for the PIH, and the next are for the PWR_INT SIH, since
* that's how twl_init_irq() sets things up.
*/
-static int add_children(struct twl4030_platform_data *pdata)
+static int
+add_children(struct twl4030_platform_data *pdata, unsigned long features)
{
struct device *child;
+ struct device *usb_transceiver = NULL;
- if (twl_has_bci() && pdata->bci) {
+ if (twl_has_bci() && pdata->bci && !(features & TPS_SUBSET)) {
child = add_child(3, "twl4030_bci",
pdata->bci, sizeof(*pdata->bci),
false,
return PTR_ERR(child);
}
- if (twl_has_power() && pdata->power)
- twl4030_power_init(pdata->power);
-
if (twl_has_rtc()) {
/*
* REVISIT platform_data here currently might expose the
pdata->irq_base + 8 + 2, pdata->irq_base + 4);
if (IS_ERR(child))
return PTR_ERR(child);
+
+ /* we need to connect regulators to this transceiver */
+ usb_transceiver = child;
+ }
+
+ if (twl_has_regulator()) {
+ /*
+ child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+ */
+
+ child = add_regulator(TWL4030_REG_VMMC1, pdata->vmmc1);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+
+ child = add_regulator(TWL4030_REG_VDAC, pdata->vdac);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+
+ child = add_regulator((features & TWL4030_VAUX2)
+ ? TWL4030_REG_VAUX2_4030
+ : TWL4030_REG_VAUX2,
+ pdata->vaux2);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+ }
+
+ if (twl_has_regulator() && usb_transceiver) {
+ static struct regulator_consumer_supply usb1v5 = {
+ .supply = "usb1v5",
+ };
+ static struct regulator_consumer_supply usb1v8 = {
+ .supply = "usb1v8",
+ };
+ static struct regulator_consumer_supply usb3v1 = {
+ .supply = "usb3v1",
+ };
+
+ /* this is a template that gets copied */
+ struct regulator_init_data usb_fixed = {
+ .constraints.valid_modes_mask =
+ REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .constraints.valid_ops_mask =
+ REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ };
+
+ usb1v5.dev = usb_transceiver;
+ usb1v8.dev = usb_transceiver;
+ usb3v1.dev = usb_transceiver;
+
+ child = add_regulator_linked(TWL4030_REG_VUSB1V5, &usb_fixed,
+ &usb1v5, 1);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+
+ child = add_regulator_linked(TWL4030_REG_VUSB1V8, &usb_fixed,
+ &usb1v8, 1);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+
+ child = add_regulator_linked(TWL4030_REG_VUSB3V1, &usb_fixed,
+ &usb3v1, 1);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+ }
+
+ /* maybe add LDOs that are omitted on cost-reduced parts */
+ if (twl_has_regulator() && !(features & TPS_SUBSET)) {
+ /*
+ child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+ */
+
+ child = add_regulator(TWL4030_REG_VMMC2, pdata->vmmc2);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+
+ child = add_regulator(TWL4030_REG_VSIM, pdata->vsim);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+
+ child = add_regulator(TWL4030_REG_VAUX1, pdata->vaux1);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+
+ child = add_regulator(TWL4030_REG_VAUX3, pdata->vaux3);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+
+ child = add_regulator(TWL4030_REG_VAUX4, pdata->vaux4);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
}
return 0;
return e;
}
-static void __init clocks_init(void)
+static void __init clocks_init(struct device *dev)
{
int e = 0;
struct clk *osc;
#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
if (cpu_is_omap2430())
- osc = clk_get(NULL, "osc_ck");
+ osc = clk_get(dev, "osc_ck");
else
- osc = clk_get(NULL, "osc_sys_ck");
-#else
- /* REVISIT for non-OMAP systems, pass the clock rate from
- * board init code, using platform_data.
- */
- osc = ERR_PTR(-EIO);
-#endif
+ osc = clk_get(dev, "osc_sys_ck");
+
if (IS_ERR(osc)) {
printk(KERN_WARNING "Skipping twl4030 internal clock init and "
"using bootloader value (unknown osc rate)\n");
rate = clk_get_rate(osc);
clk_put(osc);
+#else
+ /* REVISIT for non-OMAP systems, pass the clock rate from
+ * board init code, using platform_data.
+ */
+ osc = ERR_PTR(-EIO);
+
+ printk(KERN_WARNING "Skipping twl4030 internal clock init and "
+ "using bootloader value (unknown osc rate)\n");
+
+ return;
+#endif
+
switch (rate) {
case 19200000:
ctrl = HFCLK_FREQ_19p2_MHZ;
inuse = true;
/* setup clock framework */
- clocks_init();
+ clocks_init(&client->dev);
+
+ /* load power event scripts */
+ if (twl_has_power() && pdata->power)
+ twl4030_power_init(pdata->power);
/* Maybe init the T2 Interrupt subsystem */
if (client->irq
goto fail;
}
- status = add_children(pdata);
+ status = add_children(pdata, id->driver_data);
fail:
if (status < 0)
twl4030_remove(client);
}
static const struct i2c_device_id twl4030_ids[] = {
- { "twl4030", 0 }, /* "Triton 2" */
- { "tps65950", 0 }, /* catalog version of twl4030 */
- { "tps65930", 0 }, /* fewer LDOs and DACs; no charger */
- { "tps65920", 0 }, /* fewer LDOs; no codec or charger */
- { "twl5030", 0 }, /* T2 updated */
+ { "twl4030", TWL4030_VAUX2 }, /* "Triton 2" */
+ { "twl5030", 0 }, /* T2 updated */
+ { "tps65950", 0 }, /* catalog version of twl5030 */
+ { "tps65930", TPS_SUBSET }, /* fewer LDOs and DACs; no charger */
+ { "tps65920", TPS_SUBSET }, /* fewer LDOs; no codec or charger */
{ /* end of list */ },
};
MODULE_DEVICE_TABLE(i2c, twl4030_ids);
projects / linux-2.6-omap-h63xx.git / blobdiff