1 files changed, 107 insertions, 0 deletions
diff --git a/drivers/misc/dummy.c b/drivers/misc/dummy.c
new file mode 100644
index 000000000000..5c6f2b04a2d9
--- /dev/null
+++ b/drivers/misc/dummy.c
@@ -0,0 +1,107 @@
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/regulator/consumer.h>
+
+struct vreg {
+	const char *name;
+	int minvolt;
+	int maxvolt;
+} vregs [8] = {
+	{ "vddio", 1800000, 1800000 },
+	{ "vddaon", 950000, 950000 },
+	{ "vddpmu", 950000, 950000 },
+	{ "vddrfa1", 950000, 950000 },
+	{ "vddrfa2", 1380000, 1380000 },
+	{ "vddrfa3", 2000000, 2000000 },
+	{ "vddpcie1", 1350000, 1350000 },
+	{ "vddpcie2", 2000000, 2000000 },
+};
+
+static int dummy_probe(struct platform_device *pdev)
+{
+	struct regulator_bulk_data regulators[8];
+	struct device *dev = &pdev->dev;
+	int i, ret;
+	struct pinctrl *pinctrl;
+	struct pinctrl_state *wlan_en_active;
+	struct pinctrl_state *bt_en_active;
+
+	for (i = 0; i < ARRAY_SIZE(regulators); i++)
+		regulators[i].supply = vregs[i].name;
+	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(regulators), regulators);
+	if (ret < 0)
+		return ret;
+
+	ret = regulator_bulk_enable(ARRAY_SIZE(regulators), regulators);
+	if (ret)
+		return ret;
+
+	pinctrl = devm_pinctrl_get(dev);
+	if (IS_ERR_OR_NULL(pinctrl)) {
+                ret = PTR_ERR(pinctrl);
+                pr_err("Failed to get pinctrl, err = %d\n", ret);
+                return ret;
+        }
+
+	wlan_en_active = pinctrl_lookup_state(pinctrl, "wlan_en_active");
+	if (IS_ERR_OR_NULL(wlan_en_active)) {
+		ret = PTR_ERR(wlan_en_active);
+		pr_err("Failed to get wlan_en_active, err = %d\n", ret);
+		return ret;
+	}
+
+	bt_en_active = pinctrl_lookup_state(pinctrl, "bt_en_active");
+	if (IS_ERR_OR_NULL(bt_en_active)) {
+		ret = PTR_ERR(bt_en_active);
+		pr_err("Failed to get bt_en_active, err = %d\n", ret);
+		return ret;
+	}
+
+	ret = pinctrl_select_state(pinctrl, wlan_en_active);
+	if (ret) {
+		pr_err("Failed to select wlan pinctrl state");
+		return ret;
+	}
+	udelay(1000);
+
+	ret = pinctrl_select_state(pinctrl, bt_en_active);
+	if (ret) {
+		pr_err("Failed to select bt pinctrl state");
+		return ret;
+	}
+	udelay(1000);
+
+	return 0;
+}
+
+static int dummy_remove(struct platform_device *pdev)
+{
+	return 0;
+}
+
+static const struct of_device_id dummy_of_match[] = {
+	{ .compatible = "qcom,dummy" },
+};
+
+static struct platform_driver dummy_driver = {
+	.probe = dummy_probe,
+	.remove = dummy_remove,
+	.driver = {
+		.name = "dummy",
+		.of_match_table = dummy_of_match,
+	},
+};
+
+static int __init dummy_driver_init(void)
+{
+	return platform_driver_register(&dummy_driver);
+}
+
+postcore_initcall(dummy_driver_init);
+MODULE_LICENSE("GPL v2");