blob: a80fc3980ea092660b1daba4de194cbd045cbf69 [file] [log] [blame]
/*
* Copyright (c) 2014 Broadcom Corporation
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <defs.h>
#include "debug.h"
#include "core.h"
#include "common.h"
#include "of.h"
void brcmf_of_probe(struct device *dev, enum brcmf_bus_type bus_type,
struct brcmf_mp_device *settings)
{
struct brcmfmac_sdio_pd *sdio = &settings->bus.sdio;
struct device_node *np = dev->of_node;
int irq;
u32 irqf;
u32 val32;
u16 val16;
if (!np || bus_type != BRCMF_BUSTYPE_SDIO ||
!of_device_is_compatible(np, "brcm,bcm4329-fmac"))
return;
if (of_property_read_u32(np, "brcm,drive-strength", &val32) == 0)
sdio->drive_strength = val32;
sdio->broken_sg_support = of_property_read_bool(np,
"brcm,broken_sg_support");
if (of_property_read_u16(np, "brcm,sd_head_align", &val16) == 0)
sdio->sd_head_align = val16;
if (of_property_read_u16(np, "brcm,sd_sgentry_align", &val16) == 0)
sdio->sd_sgentry_align = val16;
/* make sure there are interrupts defined in the node */
if (!of_find_property(np, "interrupts", NULL))
return;
irq = irq_of_parse_and_map(np, 0);
if (!irq) {
brcmf_err("interrupt could not be mapped\n");
return;
}
irqf = irqd_get_trigger_type(irq_get_irq_data(irq));
sdio->oob_irq_supported = true;
sdio->oob_irq_nr = irq;
sdio->oob_irq_flags = irqf;
brcmf_info("Enable oob support, irq=%d\n", sdio->oob_irq_nr);
}