1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel/speed_select_if/isst_tpmi.c b/drivers/platform/x86/intel/speed_select_if/isst_tpmi.c
new file mode 100644
index 0000000000..1797219153
--- /dev/null
+++ b/drivers/platform/x86/intel/speed_select_if/isst_tpmi.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * isst_tpmi.c: SST TPMI interface
+ *
+ * Copyright (c) 2023, Intel Corporation.
+ * All Rights Reserved.
+ *
+ */
+
+#include <linux/auxiliary_bus.h>
+#include <linux/module.h>
+#include <linux/intel_tpmi.h>
+
+#include "isst_tpmi_core.h"
+
+static int intel_sst_probe(struct auxiliary_device *auxdev, const struct auxiliary_device_id *id)
+{
+	int ret;
+
+	ret = tpmi_sst_init();
+	if (ret)
+		return ret;
+
+	ret = tpmi_sst_dev_add(auxdev);
+	if (ret)
+		tpmi_sst_exit();
+
+	return ret;
+}
+
+static void intel_sst_remove(struct auxiliary_device *auxdev)
+{
+	tpmi_sst_dev_remove(auxdev);
+	tpmi_sst_exit();
+}
+
+static int intel_sst_suspend(struct device *dev)
+{
+	tpmi_sst_dev_suspend(to_auxiliary_dev(dev));
+
+	return 0;
+}
+
+static int intel_sst_resume(struct device *dev)
+{
+	tpmi_sst_dev_resume(to_auxiliary_dev(dev));
+
+	return 0;
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(intel_sst_pm, intel_sst_suspend, intel_sst_resume);
+
+static const struct auxiliary_device_id intel_sst_id_table[] = {
+	{ .name = "intel_vsec.tpmi-sst" },
+	{}
+};
+MODULE_DEVICE_TABLE(auxiliary, intel_sst_id_table);
+
+static struct auxiliary_driver intel_sst_aux_driver = {
+	.id_table       = intel_sst_id_table,
+	.remove         = intel_sst_remove,
+	.probe          = intel_sst_probe,
+	.driver = {
+		.pm = pm_sleep_ptr(&intel_sst_pm),
+	},
+};
+
+module_auxiliary_driver(intel_sst_aux_driver);
+
+MODULE_IMPORT_NS(INTEL_TPMI_SST);
+MODULE_DESCRIPTION("Intel TPMI SST Driver");
+MODULE_LICENSE("GPL");