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Subject[PATCH 6/6] Unified AVR32/AT91 MCI Platform Driver Support for a VCC Pin
From
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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