1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Platform driver for the Intel SCU.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2019, Intel Corporation
6*4882a593Smuzhiyun * Authors: Divya Sasidharan <divya.s.sasidharan@intel.com>
7*4882a593Smuzhiyun * Mika Westerberg <mika.westerberg@linux.intel.com>
8*4882a593Smuzhiyun * Rajmohan Mani <rajmohan.mani@intel.com>
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <linux/err.h>
12*4882a593Smuzhiyun #include <linux/errno.h>
13*4882a593Smuzhiyun #include <linux/ioport.h>
14*4882a593Smuzhiyun #include <linux/mod_devicetable.h>
15*4882a593Smuzhiyun #include <linux/module.h>
16*4882a593Smuzhiyun #include <linux/platform_device.h>
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #include <asm/intel_scu_ipc.h>
19*4882a593Smuzhiyun
intel_scu_platform_probe(struct platform_device * pdev)20*4882a593Smuzhiyun static int intel_scu_platform_probe(struct platform_device *pdev)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun struct intel_scu_ipc_data scu_data = {};
23*4882a593Smuzhiyun struct intel_scu_ipc_dev *scu;
24*4882a593Smuzhiyun const struct resource *res;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun scu_data.irq = platform_get_irq_optional(pdev, 0);
27*4882a593Smuzhiyun res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
28*4882a593Smuzhiyun if (!res)
29*4882a593Smuzhiyun return -ENOMEM;
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun scu_data.mem = *res;
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun scu = devm_intel_scu_ipc_register(&pdev->dev, &scu_data);
34*4882a593Smuzhiyun if (IS_ERR(scu))
35*4882a593Smuzhiyun return PTR_ERR(scu);
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun platform_set_drvdata(pdev, scu);
38*4882a593Smuzhiyun return 0;
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun static const struct acpi_device_id intel_scu_acpi_ids[] = {
42*4882a593Smuzhiyun { "INTC1026" },
43*4882a593Smuzhiyun {}
44*4882a593Smuzhiyun };
45*4882a593Smuzhiyun MODULE_DEVICE_TABLE(acpi, intel_scu_acpi_ids);
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun static struct platform_driver intel_scu_platform_driver = {
48*4882a593Smuzhiyun .probe = intel_scu_platform_probe,
49*4882a593Smuzhiyun .driver = {
50*4882a593Smuzhiyun .name = "intel_scu",
51*4882a593Smuzhiyun .acpi_match_table = intel_scu_acpi_ids,
52*4882a593Smuzhiyun },
53*4882a593Smuzhiyun };
54*4882a593Smuzhiyun module_platform_driver(intel_scu_platform_driver);
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun MODULE_AUTHOR("Divya Sasidharan <divya.s.sasidharan@intel.com>");
57*4882a593Smuzhiyun MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com");
58*4882a593Smuzhiyun MODULE_AUTHOR("Rajmohan Mani <rajmohan.mani@intel.com>");
59*4882a593Smuzhiyun MODULE_DESCRIPTION("Intel SCU platform driver");
60*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
61