diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c')
-rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c | 54 |
1 files changed, 54 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 0000000..b886b56 --- /dev/null +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (c) 2014 Broadcom Corporation + */ +#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 *root, *np = dev->of_node; + struct property *prop; + int irq; + u32 irqf; + u32 val; + + /* Set board-type to the first string of the machine compatible prop */ + root = of_find_node_by_path("/"); + if (root) { + prop = of_find_property(root, "compatible", NULL); + settings->board_type = of_prop_next_string(prop, NULL); + of_node_put(root); + } + + 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; +} |