67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
// 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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const char *cp = NULL;
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int irq;
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u32 irqf;
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u32 val32;
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u16 val16;
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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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cp = 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", &val32) == 0)
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sdio->drive_strength = val32;
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if (of_property_read_bool(np, "brcm,use_board_type"))
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settings->board_type = cp;
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sdio->broken_sg_support = of_property_read_bool(np,
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"brcm,broken_sg_support");
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if (of_property_read_u16(np, "brcm,sd_head_align", &val16) == 0)
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sdio->sd_head_align = val16;
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if (of_property_read_u16(np, "brcm,sd_sgentry_align", &val16) == 0)
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sdio->sd_sgentry_align = val16;
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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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