diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c')
-rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c new file mode 100644 index 000000000..aee6e5937 --- /dev/null +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c @@ -0,0 +1,56 @@ +/* + * 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 val; + + 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", &val) == 0) + sdio->drive_strength = val; + + /* 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; +} |