Arizona regulator updates

index a45aab9..97eafce 100644
@@ -512,19 +512,34 @@ int arizona_of_get_type(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(arizona_of_get_type);
 
+int arizona_of_get_named_gpio(struct arizona *arizona, const char *prop,
+			      bool mandatory, int *gpio)
+{
+	int ret;
+
+	ret = of_get_named_gpio(arizona->dev->of_node, prop, 0);
+	*gpio = ret;
+	if (ret >= 0)
+		return ret;
+
+	*gpio = 0;
+
+	if (mandatory)
+		dev_err(arizona->dev,
+				"Mandatory DT gpio %s missing/malformed: %d\n",
+				prop, ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(arizona_of_get_named_gpio);
+
 static int arizona_of_get_core_pdata(struct arizona *arizona)
 {
+	struct arizona_pdata *pdata = &arizona->pdata;
 	int ret, i;
 
-	arizona->pdata.reset = of_get_named_gpio(arizona->dev->of_node,
-						 "wlf,reset", 0);
-	if (arizona->pdata.reset < 0)
-		arizona->pdata.reset = 0;
-
-	arizona->pdata.ldoena = of_get_named_gpio(arizona->dev->of_node,
-						  "wlf,ldoena", 0);
-	if (arizona->pdata.ldoena < 0)
-		arizona->pdata.ldoena = 0;
+	arizona_of_get_named_gpio(arizona, "wlf,reset", true, &pdata->reset);
+	arizona_of_get_named_gpio(arizona, "wlf,ldoena", true, &pdata->ldoena);
 
 	ret = of_property_read_u32_array(arizona->dev->of_node,
 					 "wlf,gpio-defaults",

index 5cf8b91..16150cc 100644
@@ -124,4 +124,7 @@ int wm5102_patch(struct arizona *arizona);
 int wm5110_patch(struct arizona *arizona);
 int wm8997_patch(struct arizona *arizona);
 
+extern int arizona_of_get_named_gpio(struct arizona *arizona, const char *prop,
+				     bool mandatory, int *gpio);
+
 #endif

index 97eafce..0bab354 100644
@@ -539,7 +539,6 @@ static int arizona_of_get_core_pdata(struct arizona *arizona)
 	int ret, i;
 
 	arizona_of_get_named_gpio(arizona, "wlf,reset", true, &pdata->reset);
-	arizona_of_get_named_gpio(arizona, "wlf,ldoena", true, &pdata->ldoena);
 
 	ret = of_property_read_u32_array(arizona->dev->of_node,
 					 "wlf,gpio-defaults",

@@ -870,14 +869,6 @@ int arizona_dev_init(struct arizona *arizona)
 			     arizona->pdata.gpio_defaults[i]);
 	}
 
-	/*
-	 * LDO1 can only be used to supply DCVDD so if it has no
-	 * consumers then DCVDD is supplied externally.
-	 */
-	if (arizona->pdata.ldo1 &&
-	    arizona->pdata.ldo1->num_consumer_supplies == 0)
-		arizona->external_dcvdd = true;
-
 	pm_runtime_set_autosuspend_delay(arizona->dev, 100);
 	pm_runtime_use_autosuspend(arizona->dev);
 	pm_runtime_enable(arizona->dev);

54 lines not on this page · raw message

index 6379fd3..a67013f 100644
@@ -19,6 +19,7 @@
 #include <linux/platform_device.h>
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
 #include <linux/gpio.h>
 #include <linux/slab.h>
 

@@ -184,9 +185,34 @@ static const struct regulator_init_data arizona_ldo1_default = {
 static int arizona_ldo1_get_pdata(struct arizona *arizona,
 				  struct regulator_config *config)
 {
+	struct arizona_pdata *pdata = &arizona->pdata;
+	struct arizona_ldo1 *ldo1 = config->driver_data;
+	struct device_node *np_init, *np_dcvdd;
+
 	arizona_of_get_named_gpio(arizona, "wlf,ldoena", true,
 				  &config->ena_gpio);
 
+	np_init = of_get_child_by_name(arizona->dev->of_node, "wlf,ldo1");
+	np_dcvdd = of_parse_phandle(arizona->dev->of_node, "DCVDD-supply", 0);
+
+	if (np_init) {
+		config->of_node = np_init;
+
+		pdata->ldo1 = of_get_regulator_init_data(arizona->dev, np_init);
+
+		if (np_dcvdd) {
+			if (np_dcvdd != np_init)
+				arizona->external_dcvdd = true;
+		} else {
+			pdata->ldo1->consumer_supplies = &ldo1->supply;
+			pdata->ldo1->num_consumer_supplies = 1;
+		}
+
+		config->init_data = pdata->ldo1;
+	} else if (np_dcvdd) {
+		arizona->external_dcvdd = true;
+	}
+
 	return 0;
 }
 #else

66 lines not on this page · raw message

index 0bab354..06e3f1b 100644
@@ -589,6 +589,7 @@ static const char *wm5102_supplies[] = {
 	"CPVDD",
 	"SPKVDDL",
 	"SPKVDDR",
+	"MICVDD",
 };
 
 static const struct mfd_cell wm5102_devs[] = {

index 5aa8076..c9c6519 100644
@@ -846,6 +846,7 @@ static bool wm8997_readable_register(struct device *dev, unsigned int reg)
 	case ARIZONA_RATE_ESTIMATOR_3:
 	case ARIZONA_RATE_ESTIMATOR_4:
 	case ARIZONA_RATE_ESTIMATOR_5:
+	case ARIZONA_DYNAMIC_FREQUENCY_SCALING_1:
 	case ARIZONA_FLL1_CONTROL_1:
 	case ARIZONA_FLL1_CONTROL_2:
 	case ARIZONA_FLL1_CONTROL_3:

@@ -880,6 +881,7 @@ static bool wm8997_readable_register(struct device *dev, unsigned int reg)
 	case ARIZONA_FLL2_GPIO_CLOCK:
 	case ARIZONA_MIC_CHARGE_PUMP_1:
 	case ARIZONA_LDO1_CONTROL_1:
+	case ARIZONA_LDO1_CONTROL_2:
 	case ARIZONA_LDO2_CONTROL_1:
 	case ARIZONA_MIC_BIAS_CTRL_1:
 	case ARIZONA_MIC_BIAS_CTRL_2:

index a67013f..9a3c292 100644
@@ -154,11 +154,9 @@ static const struct regulator_desc arizona_ldo1 = {
 
 	.vsel_reg = ARIZONA_LDO1_CONTROL_1,
 	.vsel_mask = ARIZONA_LDO1_VSEL_MASK,
-	.bypass_reg = ARIZONA_LDO1_CONTROL_1,
-	.bypass_mask = ARIZONA_LDO1_BYPASS,
 	.min_uV = 900000,
-	.uV_step = 50000,
-	.n_voltages = 7,
+	.uV_step = 25000,
+	.n_voltages = 13,
 	.enable_time = 500,
 
 	.owner = THIS_MODULE,

@@ -261,6 +259,7 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
 	 */
 	switch (arizona->type) {
 	case WM5102:
+	case WM8997:
 		desc = &arizona_ldo1_hc;
 		ldo1->init_data = arizona_ldo1_dvfs;
 		break;