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// 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;
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) {
int i, len;
char *board_type;
const char *tmp;
of_property_read_string_index(root, "compatible", 0, &tmp);
/* get rid of '/' in the compatible string to be able to find the FW */
len = strlen(tmp) + 1;
board_type = devm_kzalloc(dev, len, GFP_KERNEL);
strscpy(board_type, tmp, len);
for (i = 0; i < board_type[i]; i++) {
if (board_type[i] == '/')
board_type[i] = '-';
}
settings->board_type = board_type;
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;
}
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