summaryrefslogtreecommitdiff
path: root/drivers/mfd/palmas.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mfd/palmas.c')
-rw-r--r--drivers/mfd/palmas.c146
1 files changed, 32 insertions, 114 deletions
diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c
index 53e9fe638d32..e4d1c706df8b 100644
--- a/drivers/mfd/palmas.c
+++ b/drivers/mfd/palmas.c
@@ -23,78 +23,7 @@
#include <linux/err.h>
#include <linux/mfd/core.h>
#include <linux/mfd/palmas.h>
-#include <linux/of_platform.h>
-
-enum palmas_ids {
- PALMAS_PMIC_ID,
- PALMAS_GPIO_ID,
- PALMAS_LEDS_ID,
- PALMAS_WDT_ID,
- PALMAS_RTC_ID,
- PALMAS_PWRBUTTON_ID,
- PALMAS_GPADC_ID,
- PALMAS_RESOURCE_ID,
- PALMAS_CLK_ID,
- PALMAS_PWM_ID,
- PALMAS_USB_ID,
-};
-
-static struct resource palmas_rtc_resources[] = {
- {
- .start = PALMAS_RTC_ALARM_IRQ,
- .end = PALMAS_RTC_ALARM_IRQ,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static const struct mfd_cell palmas_children[] = {
- {
- .name = "palmas-pmic",
- .id = PALMAS_PMIC_ID,
- },
- {
- .name = "palmas-gpio",
- .id = PALMAS_GPIO_ID,
- },
- {
- .name = "palmas-leds",
- .id = PALMAS_LEDS_ID,
- },
- {
- .name = "palmas-wdt",
- .id = PALMAS_WDT_ID,
- },
- {
- .name = "palmas-rtc",
- .id = PALMAS_RTC_ID,
- .resources = &palmas_rtc_resources[0],
- .num_resources = ARRAY_SIZE(palmas_rtc_resources),
- },
- {
- .name = "palmas-pwrbutton",
- .id = PALMAS_PWRBUTTON_ID,
- },
- {
- .name = "palmas-gpadc",
- .id = PALMAS_GPADC_ID,
- },
- {
- .name = "palmas-resource",
- .id = PALMAS_RESOURCE_ID,
- },
- {
- .name = "palmas-clk",
- .id = PALMAS_CLK_ID,
- },
- {
- .name = "palmas-pwm",
- .id = PALMAS_PWM_ID,
- },
- {
- .name = "palmas-usb",
- .id = PALMAS_USB_ID,
- }
-};
+#include <linux/of_device.h>
static const struct regmap_config palmas_regmap_config[PALMAS_NUM_CLIENTS] = {
{
@@ -302,6 +231,21 @@ static void palmas_dt_to_pdata(struct i2c_client *i2c,
palmas_set_pdata_irq_flag(i2c, pdata);
}
+static unsigned int palmas_features = PALMAS_PMIC_FEATURE_SMPS10_BOOST;
+static unsigned int tps659038_features;
+
+static const struct of_device_id of_palmas_match_tbl[] = {
+ {
+ .compatible = "ti,palmas",
+ .data = &palmas_features,
+ },
+ {
+ .compatible = "ti,tps659038",
+ .data = &tps659038_features,
+ },
+ { },
+};
+
static int palmas_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
@@ -309,9 +253,9 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
struct palmas_platform_data *pdata;
struct device_node *node = i2c->dev.of_node;
int ret = 0, i;
- unsigned int reg, addr;
+ unsigned int reg, addr, *features;
int slave;
- struct mfd_cell *children;
+ const struct of_device_id *match;
pdata = dev_get_platdata(&i2c->dev);
@@ -333,9 +277,16 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
i2c_set_clientdata(i2c, palmas);
palmas->dev = &i2c->dev;
- palmas->id = id->driver_data;
palmas->irq = i2c->irq;
+ match = of_match_device(of_match_ptr(of_palmas_match_tbl), &i2c->dev);
+
+ if (!match)
+ return -ENODATA;
+
+ features = (unsigned int *)match->data;
+ palmas->features = *features;
+
for (i = 0; i < PALMAS_NUM_CLIENTS; i++) {
if (i == 0)
palmas->i2c_clients[i] = i2c;
@@ -362,6 +313,11 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
}
}
+ if (!palmas->irq) {
+ dev_warn(palmas->dev, "IRQ missing: skipping irq request\n");
+ goto no_irq;
+ }
+
/* Change interrupt line output polarity */
if (pdata->irq_flags & IRQ_TYPE_LEVEL_HIGH)
reg = PALMAS_POLARITY_CTRL_INT_POLARITY;
@@ -388,6 +344,7 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
if (ret < 0)
goto err;
+no_irq:
slave = PALMAS_BASE_TO_SLAVE(PALMAS_PU_PD_OD_BASE);
addr = PALMAS_BASE_TO_REG(PALMAS_PU_PD_OD_BASE,
PALMAS_PRIMARY_SECONDARY_PAD1);
@@ -472,42 +429,8 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
return ret;
}
- children = kmemdup(palmas_children, sizeof(palmas_children),
- GFP_KERNEL);
- if (!children) {
- ret = -ENOMEM;
- goto err_irq;
- }
-
- children[PALMAS_PMIC_ID].platform_data = pdata->pmic_pdata;
- children[PALMAS_PMIC_ID].pdata_size = sizeof(*pdata->pmic_pdata);
-
- children[PALMAS_GPADC_ID].platform_data = pdata->gpadc_pdata;
- children[PALMAS_GPADC_ID].pdata_size = sizeof(*pdata->gpadc_pdata);
-
- children[PALMAS_RESOURCE_ID].platform_data = pdata->resource_pdata;
- children[PALMAS_RESOURCE_ID].pdata_size =
- sizeof(*pdata->resource_pdata);
-
- children[PALMAS_USB_ID].platform_data = pdata->usb_pdata;
- children[PALMAS_USB_ID].pdata_size = sizeof(*pdata->usb_pdata);
-
- children[PALMAS_CLK_ID].platform_data = pdata->clk_pdata;
- children[PALMAS_CLK_ID].pdata_size = sizeof(*pdata->clk_pdata);
-
- ret = mfd_add_devices(palmas->dev, -1,
- children, ARRAY_SIZE(palmas_children),
- NULL, 0,
- regmap_irq_get_domain(palmas->irq_data));
- kfree(children);
-
- if (ret < 0)
- goto err_devices;
-
return ret;
-err_devices:
- mfd_remove_devices(palmas->dev);
err_irq:
regmap_del_irq_chip(palmas->irq, palmas->irq_data);
err:
@@ -533,11 +456,6 @@ static const struct i2c_device_id palmas_i2c_id[] = {
};
MODULE_DEVICE_TABLE(i2c, palmas_i2c_id);
-static struct of_device_id of_palmas_match_tbl[] = {
- { .compatible = "ti,palmas", },
- { /* end */ }
-};
-
static struct i2c_driver palmas_i2c_driver = {
.driver = {
.name = "palmas",