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61f663df CYT |
1 | /* |
2 | * Copyright (c) 2014 Broadcom Corporation | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | #include <linux/init.h> | |
17 | #include <linux/of.h> | |
18 | #include <linux/of_irq.h> | |
19 | #include <linux/mmc/card.h> | |
20 | #include <linux/platform_data/brcmfmac-sdio.h> | |
21 | #include <linux/mmc/sdio_func.h> | |
22 | ||
23 | #include <defs.h> | |
a8e8ed34 | 24 | #include "debug.h" |
888bf76e | 25 | #include "sdio.h" |
61f663df CYT |
26 | |
27 | void brcmf_of_probe(struct brcmf_sdio_dev *sdiodev) | |
28 | { | |
29 | struct device *dev = sdiodev->dev; | |
30 | struct device_node *np = dev->of_node; | |
31 | int irq; | |
32 | u32 irqf; | |
33 | u32 val; | |
34 | ||
35 | if (!np || !of_device_is_compatible(np, "brcm,bcm4329-fmac")) | |
36 | return; | |
37 | ||
38 | sdiodev->pdata = devm_kzalloc(dev, sizeof(*sdiodev->pdata), GFP_KERNEL); | |
39 | if (!sdiodev->pdata) | |
40 | return; | |
41 | ||
42 | irq = irq_of_parse_and_map(np, 0); | |
4c69f05e DT |
43 | if (!irq) { |
44 | brcmf_err("interrupt could not be mapped\n"); | |
61f663df CYT |
45 | devm_kfree(dev, sdiodev->pdata); |
46 | return; | |
47 | } | |
48 | irqf = irqd_get_trigger_type(irq_get_irq_data(irq)); | |
49 | ||
50 | sdiodev->pdata->oob_irq_supported = true; | |
51 | sdiodev->pdata->oob_irq_nr = irq; | |
52 | sdiodev->pdata->oob_irq_flags = irqf; | |
53 | ||
54 | if (of_property_read_u32(np, "brcm,drive-strength", &val) == 0) | |
55 | sdiodev->pdata->drive_strength = val; | |
56 | } |