projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| f58001fa AS |
42 | if (of_property_read_u32(np, "brcm,drive-strength", &val) == 0) |
| 43 | sdiodev->pdata->drive_strength = val; | |
| 44 | ||
| 45 | /* make sure there are interrupts defined in the node */ | |
| 46 | if (!of_find_property(np, "interrupts", NULL)) | |
| 47 | return; | |
| 48 | ||
| 61f663df | 49 | irq = irq_of_parse_and_map(np, 0); |
| 4c69f05e DT |
50 | if (!irq) { |
| 51 | brcmf_err("interrupt could not be mapped\n"); | |
| 61f663df CYT |
52 | return; |
| 53 | } | |
| 54 | irqf = irqd_get_trigger_type(irq_get_irq_data(irq)); | |
| 55 | ||
| 56 | sdiodev->pdata->oob_irq_supported = true; | |
| 57 | sdiodev->pdata->oob_irq_nr = irq; | |
| 58 | sdiodev->pdata->oob_irq_flags = irqf; | |
| 61f663df | 59 | } |