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-rw-r--r--drivers/mfd/qcom-spmi-pmic.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/mfd/qcom-spmi-pmic.c b/drivers/mfd/qcom-spmi-pmic.c
new file mode 100644
index 0000000..4b8beb2
--- /dev/null
+++ b/drivers/mfd/qcom-spmi-pmic.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/spmi.h>
+#include <linux/regmap.h>
+#include <linux/of_platform.h>
+
+static const struct regmap_config spmi_regmap_config = {
+ .reg_bits = 16,
+ .val_bits = 8,
+ .max_register = 0xffff,
+ .fast_io = true,
+};
+
+static int pmic_spmi_probe(struct spmi_device *sdev)
+{
+ struct device_node *root = sdev->dev.of_node;
+ struct regmap *regmap;
+
+ regmap = devm_regmap_init_spmi_ext(sdev, &spmi_regmap_config);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ return of_platform_populate(root, NULL, NULL, &sdev->dev);
+}
+
+static void pmic_spmi_remove(struct spmi_device *sdev)
+{
+ of_platform_depopulate(&sdev->dev);
+}
+
+static const struct of_device_id pmic_spmi_id_table[] = {
+ { .compatible = "qcom,spmi-pmic" },
+ { .compatible = "qcom,pm8941" },
+ { .compatible = "qcom,pm8841" },
+ { .compatible = "qcom,pma8084" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, pmic_spmi_id_table);
+
+static struct spmi_driver pmic_spmi_driver = {
+ .probe = pmic_spmi_probe,
+ .remove = pmic_spmi_remove,
+ .driver = {
+ .name = "pmic-spmi",
+ .of_match_table = pmic_spmi_id_table,
+ },
+};
+module_spmi_driver(pmic_spmi_driver);
+
+MODULE_DESCRIPTION("Qualcomm SPMI PMIC driver");
+MODULE_ALIAS("spmi:spmi-pmic");
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Josh Cartwright <joshc@codeaurora.org>");
+MODULE_AUTHOR("Stanimir Varbanov <svarbanov@mm-sol.com>");
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