X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=drivers%2Fmfd%2Fpalmas.c;h=e4d1c706df8b9d1cf6a5f9f2f835cc652097789b;hb=4124e6e291a7b1a21ea7c28c8f9899d050103308;hp=53e9fe638d32067c0b6210e5fb9957ba67f4e890;hpb=c807b17375be26d7710b248deae6d75ecb32e4ba;p=deliverable%2Flinux.git

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",