1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
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;
}
|
