55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
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// SPDX-License-Identifier: ISC
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/*
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* Copyright (c) 2014 Broadcom Corporation
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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 <defs.h>
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#include "debug.h"
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#include "core.h"
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#include "common.h"
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#include "of.h"
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void brcmf_of_probe(struct device *dev, enum brcmf_bus_type bus_type,
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struct brcmf_mp_device *settings)
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{
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struct brcmfmac_sdio_pd *sdio = &settings->bus.sdio;
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struct device_node *root, *np = dev->of_node;
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struct property *prop;
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int irq;
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u32 irqf;
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u32 val;
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/* Set board-type to the first string of the machine compatible prop */
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root = of_find_node_by_path("/");
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if (root) {
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prop = of_find_property(root, "compatible", NULL);
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settings->board_type = of_prop_next_string(prop, NULL);
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of_node_put(root);
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}
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if (!np || bus_type != BRCMF_BUSTYPE_SDIO ||
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!of_device_is_compatible(np, "brcm,bcm4329-fmac"))
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return;
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if (of_property_read_u32(np, "brcm,drive-strength", &val) == 0)
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sdio->drive_strength = val;
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/* make sure there are interrupts defined in the node */
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if (!of_find_property(np, "interrupts", NULL))
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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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return;
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}
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irqf = irqd_get_trigger_type(irq_get_irq_data(irq));
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sdio->oob_irq_supported = true;
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sdio->oob_irq_nr = irq;
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sdio->oob_irq_flags = irqf;
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}
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