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ARM: OMAP2+: Legacy support for wl12xx when booted with devicetree

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Without WLAN we cannot switch omap4 to use device tree
only booting. This patch can be reverted when the
binding for wl12xx is added.

Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: devicetree-discuss@lists.ozlabs.org
Tested-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren 2013-05-17 10:45:10 -07:00
parent e4aa937ec7
commit 26f45c29e3
1 changed files with 39 additions and 0 deletions
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39
arch/arm/mach-omap2/devices.c
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@ -15,12 +15,14 @@
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/pinctrl/machine.h>
#include <linux/platform_data/omap4-keypad.h>
#include <linux/platform_data/omap_ocp2scp.h>
#include <linux/usb/omap_control_usb.h>
#include <linux/wl12xx.h>
#include <asm/mach-types.h>
#include <asm/mach/map.h>
@ -633,6 +635,40 @@ static void __init omap_init_ocp2scp(void)
static inline void omap_init_ocp2scp(void) { }
#endif
#if IS_ENABLED(CONFIG_WL12XX)
static struct wl12xx_platform_data wl12xx __initdata;
void __init omap_init_wl12xx_of(void)
{
int ret;
if (!of_have_populated_dt())
return;
if (of_machine_is_compatible("ti,omap4-sdp")) {
wl12xx.board_ref_clock = WL12XX_REFCLOCK_26;
wl12xx.board_tcxo_clock = WL12XX_TCXOCLOCK_26;
wl12xx.irq = gpio_to_irq(53);
} else if (of_machine_is_compatible("ti,omap4-panda")) {
wl12xx.board_ref_clock = WL12XX_REFCLOCK_38;
wl12xx.irq = gpio_to_irq(53);
} else {
return;
}
ret = wl12xx_set_platform_data(&wl12xx);
if (ret) {
pr_err("error setting wl12xx data: %d\n", ret);
return;
}
}
#else
static inline void omap_init_wl12xx_of(void)
{
}
#endif
/*-------------------------------------------------------------------------*/
static int __init omap2_init_devices(void)
@ -657,6 +693,9 @@ static int __init omap2_init_devices(void)
omap_init_mcspi();
omap_init_sham();
omap_init_aes();
} else {
/* These can be removed when bindings are done */
omap_init_wl12xx_of();
}
omap_init_sti();
omap_init_rng();