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[ARM] pxa/em-x270: update libertas device setup

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Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Mike Rapoport 2009-05-12 16:31:14 +03:00 committed by Eric Miao
parent 76e3fc36eb
commit 2f15cb594e
1 changed files with 29 additions and 3 deletions
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32
arch/arm/mach-pxa/em-x270.c
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@ -684,26 +684,52 @@ static int em_x270_libertas_setup(struct spi_device *spi)
if (err)
return err;
err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
if (err)
goto err_free_pwen;
if (machine_is_exeda()) {
err = gpio_request(GPIO37_WLAN_RST, "WLAN RST");
if (err)
goto err_free_strap;
gpio_direction_output(GPIO37_WLAN_RST, 1);
msleep(100);
}
gpio_direction_output(GPIO19_WLAN_STRAP, 1);
mdelay(100);
msleep(100);
pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config));
gpio_direction_output(GPIO115_WLAN_PWEN, 0);
mdelay(100);
msleep(100);
gpio_set_value(GPIO115_WLAN_PWEN, 1);
mdelay(100);
msleep(100);
spi->bits_per_word = 16;
spi_setup(spi);
return 0;
err_free_strap:
gpio_free(GPIO19_WLAN_STRAP);
err_free_pwen:
gpio_free(GPIO115_WLAN_PWEN);
return err;
}
static int em_x270_libertas_teardown(struct spi_device *spi)
{
gpio_set_value(GPIO115_WLAN_PWEN, 0);
gpio_free(GPIO115_WLAN_PWEN);
gpio_free(GPIO19_WLAN_STRAP);
if (machine_is_exeda()) {
gpio_set_value(GPIO37_WLAN_RST, 0);
gpio_free(GPIO37_WLAN_RST);
}
return 0;
}