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Subject[PATCH 6/6] atmel-mci: Platform driver MMC slot power control
Date
Add support to the at91sam9g20ek_2mmc platform (board-sam9g20ek-2slot-mmc.c) and support files for a VCC pin using the atmel-mci driver.

Signed-off-by: Rob Emanuele <rob@emanuele.us>
---
arch/arm/mach-at91/at91sam9260_devices.c | 2 ++
arch/arm/mach-at91/board-sam9g20ek-2slot-mmc.c | 3 +++
2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index c372f4f..7634632 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -328,6 +328,8 @@ void __init at91_add_device_mci(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-2slot-mmc.c b/arch/arm/mach-at91/board-sam9g20ek-2slot-mmc.c
index a28e53f..20c6738 100644
--- a/arch/arm/mach-at91/board-sam9g20ek-2slot-mmc.c
+++ b/arch/arm/mach-at91/board-sam9g20ek-2slot-mmc.c
@@ -202,11 +202,14 @@ static struct mci_platform_data __initdata ek_mmc_data = {
.bus_width = 4,
.detect_pin = -ENODEV,
.wp_pin = -ENODEV,
+ .vcc_pin = AT91_PIN_PA30,
+ .vcc_active_low = 1,
},
.slot[1] = {
.bus_width = 4,
.detect_pin = -ENODEV,
.wp_pin = -ENODEV,
+ .vcc_pin = -ENODEV,
},

};
--
1.6.0.4


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