diff options
Diffstat (limited to 'drivers/pwm/pwm-lpss-pci.c')
-rw-r--r-- | drivers/pwm/pwm-lpss-pci.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-lpss-pci.c b/drivers/pwm/pwm-lpss-pci.c new file mode 100644 index 000000000000..1bfdd89c329c --- /dev/null +++ b/drivers/pwm/pwm-lpss-pci.c | |||
@@ -0,0 +1,65 @@ | |||
1 | /* | ||
2 | * Intel Low Power Subsystem PWM controller PCI driver | ||
3 | * | ||
4 | * Copyright (C) 2014, Intel Corporation | ||
5 | * | ||
6 | * Derived from the original pwm-lpss.c | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | */ | ||
12 | |||
13 | #include <linux/kernel.h> | ||
14 | #include <linux/module.h> | ||
15 | #include <linux/pci.h> | ||
16 | |||
17 | #include "pwm-lpss.h" | ||
18 | |||
19 | static int pwm_lpss_probe_pci(struct pci_dev *pdev, | ||
20 | const struct pci_device_id *id) | ||
21 | { | ||
22 | const struct pwm_lpss_boardinfo *info; | ||
23 | struct pwm_lpss_chip *lpwm; | ||
24 | int err; | ||
25 | |||
26 | err = pci_enable_device(pdev); | ||
27 | if (err < 0) | ||
28 | return err; | ||
29 | |||
30 | info = (struct pwm_lpss_boardinfo *)id->driver_data; | ||
31 | lpwm = pwm_lpss_probe(&pdev->dev, &pdev->resource[0], info); | ||
32 | if (IS_ERR(lpwm)) | ||
33 | return PTR_ERR(lpwm); | ||
34 | |||
35 | pci_set_drvdata(pdev, lpwm); | ||
36 | return 0; | ||
37 | } | ||
38 | |||
39 | static void pwm_lpss_remove_pci(struct pci_dev *pdev) | ||
40 | { | ||
41 | struct pwm_lpss_chip *lpwm = pci_get_drvdata(pdev); | ||
42 | |||
43 | pwm_lpss_remove(lpwm); | ||
44 | pci_disable_device(pdev); | ||
45 | } | ||
46 | |||
47 | static const struct pci_device_id pwm_lpss_pci_ids[] = { | ||
48 | { PCI_VDEVICE(INTEL, 0x0f08), (unsigned long)&pwm_lpss_byt_info}, | ||
49 | { PCI_VDEVICE(INTEL, 0x0f09), (unsigned long)&pwm_lpss_byt_info}, | ||
50 | { PCI_VDEVICE(INTEL, 0x2288), (unsigned long)&pwm_lpss_bsw_info}, | ||
51 | { PCI_VDEVICE(INTEL, 0x2289), (unsigned long)&pwm_lpss_bsw_info}, | ||
52 | { }, | ||
53 | }; | ||
54 | MODULE_DEVICE_TABLE(pci, pwm_lpss_pci_ids); | ||
55 | |||
56 | static struct pci_driver pwm_lpss_driver_pci = { | ||
57 | .name = "pwm-lpss", | ||
58 | .id_table = pwm_lpss_pci_ids, | ||
59 | .probe = pwm_lpss_probe_pci, | ||
60 | .remove = pwm_lpss_remove_pci, | ||
61 | }; | ||
62 | module_pci_driver(pwm_lpss_driver_pci); | ||
63 | |||
64 | MODULE_DESCRIPTION("PWM PCI driver for Intel LPSS"); | ||
65 | MODULE_LICENSE("GPL v2"); | ||