56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*
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* Copyright (c) 2014 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <linux/init.h>
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#include <linux/of.h>
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#include <linux/of_irq.h>
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#include <linux/mmc/card.h>
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#include <linux/platform_data/brcmfmac-sdio.h>
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#include <linux/mmc/sdio_func.h>
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#include <defs.h>
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#include "debug.h"
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#include "sdio.h"
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void brcmf_of_probe(struct brcmf_sdio_dev *sdiodev)
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{
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struct device *dev = sdiodev->dev;
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struct device_node *np = dev->of_node;
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int irq;
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u32 irqf;
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u32 val;
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if (!np || !of_device_is_compatible(np, "brcm,bcm4329-fmac"))
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return;
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sdiodev->pdata = devm_kzalloc(dev, sizeof(*sdiodev->pdata), GFP_KERNEL);
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if (!sdiodev->pdata)
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return;
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irq = irq_of_parse_and_map(np, 0);
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if (!irq) {
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brcmf_err("interrupt could not be mapped\n");
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devm_kfree(dev, sdiodev->pdata);
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return;
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}
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irqf = irqd_get_trigger_type(irq_get_irq_data(irq));
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sdiodev->pdata->oob_irq_supported = true;
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sdiodev->pdata->oob_irq_nr = irq;
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sdiodev->pdata->oob_irq_flags = irqf;
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if (of_property_read_u32(np, "brcm,drive-strength", &val) == 0)
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sdiodev->pdata->drive_strength = val;
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}
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