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Diffstat (limited to 'drivers/platform/x86/intel_scu_pltdrv.c')
-rw-r--r--drivers/platform/x86/intel_scu_pltdrv.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel_scu_pltdrv.c b/drivers/platform/x86/intel_scu_pltdrv.c
new file mode 100644
index 000000000..56ec6ae4c
--- /dev/null
+++ b/drivers/platform/x86/intel_scu_pltdrv.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Platform driver for the Intel SCU.
+ *
+ * Copyright (C) 2019, Intel Corporation
+ * Authors: Divya Sasidharan <divya.s.sasidharan@intel.com>
+ * Mika Westerberg <mika.westerberg@linux.intel.com>
+ * Rajmohan Mani <rajmohan.mani@intel.com>
+ */
+
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <asm/intel_scu_ipc.h>
+
+static int intel_scu_platform_probe(struct platform_device *pdev)
+{
+ struct intel_scu_ipc_data scu_data = {};
+ struct intel_scu_ipc_dev *scu;
+ const struct resource *res;
+
+ scu_data.irq = platform_get_irq_optional(pdev, 0);
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENOMEM;
+
+ scu_data.mem = *res;
+
+ scu = devm_intel_scu_ipc_register(&pdev->dev, &scu_data);
+ if (IS_ERR(scu))
+ return PTR_ERR(scu);
+
+ platform_set_drvdata(pdev, scu);
+ return 0;
+}
+
+static const struct acpi_device_id intel_scu_acpi_ids[] = {
+ { "INTC1026" },
+ {}
+};
+MODULE_DEVICE_TABLE(acpi, intel_scu_acpi_ids);
+
+static struct platform_driver intel_scu_platform_driver = {
+ .probe = intel_scu_platform_probe,
+ .driver = {
+ .name = "intel_scu",
+ .acpi_match_table = intel_scu_acpi_ids,
+ },
+};
+module_platform_driver(intel_scu_platform_driver);
+
+MODULE_AUTHOR("Divya Sasidharan <divya.s.sasidharan@intel.com>");
+MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com");
+MODULE_AUTHOR("Rajmohan Mani <rajmohan.mani@intel.com>");
+MODULE_DESCRIPTION("Intel SCU platform driver");
+MODULE_LICENSE("GPL v2");