| /* |
| * Copyright (c) 2014 Broadcom Corporation |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| #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 *np = dev->of_node; |
| int irq; |
| u32 irqf; |
| u32 val32; |
| u16 val16; |
| |
| 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", &val32) == 0) |
| sdio->drive_strength = val32; |
| |
| sdio->broken_sg_support = of_property_read_bool(np, |
| "brcm,broken_sg_support"); |
| if (of_property_read_u16(np, "brcm,sd_head_align", &val16) == 0) |
| sdio->sd_head_align = val16; |
| if (of_property_read_u16(np, "brcm,sd_sgentry_align", &val16) == 0) |
| sdio->sd_sgentry_align = val16; |
| |
| /* 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; |
| brcmf_info("Enable oob support, irq=%d\n", sdio->oob_irq_nr); |
| } |