Messages in this thread Patch in this message | | | Date | Fri, 12 Jun 2009 18:03:10 -0700 | Subject | [PATCH 6/6] Unified AVR32/AT91 MCI Platform Driver Support for a VCC Pin | From | Rob Emanuele <> |
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Add support to the at91sam9g20ek board and support files for a VCC pin using the atmel-mci driver.
Please read the whole set, try it out, and comment.
Thank you,
Rob Emanuele
--- arch/arm/mach-at91/at91sam9260_devices.c | 2 ++ arch/arm/mach-at91/board-sam9g20ek.c | 4 ++++ 2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c index e7cc46a..fe4467e 100644 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ b/arch/arm/mach-at91/at91sam9260_devices.c @@ -327,6 +327,8 @@ void __init at91_add_device_mmc(short mmc_id, struct mci_platform_data *data) } if (data->slot[i].wp_pin) at91_set_gpio_input(data->slot[i].wp_pin, 1); + if (data->slot[i].vcc_pin) + at91_set_gpio_output(data->slot[i].vcc_pin, 0);
switch(i) { case 0: diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c index ca70042..5b7ae06 100644 --- a/arch/arm/mach-at91/board-sam9g20ek.c +++ b/arch/arm/mach-at91/board-sam9g20ek.c @@ -210,8 +210,11 @@ static struct mci_platform_data __initdata ek_mmc_data = { .slot[0] = { #if defined(CONFIG_AT91_2MMC) .bus_width = 4, + .vcc_pin = AT91_PIN_PA30, + .vcc_pin_act_low= 1, #else .bus_width = 0, + .vcc_pin = -ENODEV, #endif .detect_pin = -ENODEV, .wp_pin = -ENODEV, @@ -220,6 +223,7 @@ static struct mci_platform_data __initdata ek_mmc_data = { .bus_width = 4, .detect_pin = -ENODEV, .wp_pin = -ENODEV, + .vcc_pin = -ENODEV, },
}; -- 1.6.0.4
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