1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Platform driver for the Intel SCU.
4 *
5 * Copyright (C) 2019, Intel Corporation
6 * Authors: Divya Sasidharan <divya.s.sasidharan@intel.com>
7 * Mika Westerberg <mika.westerberg@linux.intel.com>
8 * Rajmohan Mani <rajmohan.mani@intel.com>
9 */
10
11#include <linux/err.h>
12#include <linux/errno.h>
13#include <linux/ioport.h>
14#include <linux/mod_devicetable.h>
15#include <linux/module.h>
16#include <linux/platform_device.h>
17
18#include <asm/intel_scu_ipc.h>
19
20static int intel_scu_platform_probe(struct platform_device *pdev)
21{
22 struct intel_scu_ipc_data scu_data = {};
23 struct intel_scu_ipc_dev *scu;
24 const struct resource *res;
25
26 scu_data.irq = platform_get_irq_optional(pdev, 0);
27 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
28 if (!res)
29 return -ENOMEM;
30
31 scu_data.mem = *res;
32
33 scu = devm_intel_scu_ipc_register(&pdev->dev, &scu_data);
34 if (IS_ERR(ptr: scu))
35 return PTR_ERR(ptr: scu);
36
37 platform_set_drvdata(pdev, data: scu);
38 return 0;
39}
40
41static const struct acpi_device_id intel_scu_acpi_ids[] = {
42 { "INTC1026" },
43 {}
44};
45MODULE_DEVICE_TABLE(acpi, intel_scu_acpi_ids);
46
47static struct platform_driver intel_scu_platform_driver = {
48 .probe = intel_scu_platform_probe,
49 .driver = {
50 .name = "intel_scu",
51 .acpi_match_table = intel_scu_acpi_ids,
52 },
53};
54module_platform_driver(intel_scu_platform_driver);
55
56MODULE_AUTHOR("Divya Sasidharan <divya.s.sasidharan@intel.com>");
57MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com");
58MODULE_AUTHOR("Rajmohan Mani <rajmohan.mani@intel.com>");
59MODULE_DESCRIPTION("Intel SCU platform driver");
60MODULE_LICENSE("GPL v2");
61

source code of linux/drivers/platform/x86/intel_scu_pltdrv.c