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Diffstat (limited to 'arch/arm/mach-at91/at91sam9261_devices.c')
-rw-r--r--arch/arm/mach-at91/at91sam9261_devices.c78
1 files changed, 42 insertions, 36 deletions
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index bc2590d..b948769 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -137,9 +137,9 @@ void __init at91_add_device_udc(struct at91_udc_data *data) {}
* MMC / SD
* -------------------------------------------------------------------- */
-#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
+#if IS_ENABLED(CONFIG_MMC_ATMELMCI)
static u64 mmc_dmamask = DMA_BIT_MASK(32);
-static struct at91_mmc_data mmc_data;
+static struct mci_platform_data mmc_data;
static struct resource mmc_resources[] = {
[0] = {
@@ -155,7 +155,7 @@ static struct resource mmc_resources[] = {
};
static struct platform_device at91sam9261_mmc_device = {
- .name = "at91_mci",
+ .name = "atmel_mci",
.id = -1,
.dev = {
.dma_mask = &mmc_dmamask,
@@ -166,40 +166,40 @@ static struct platform_device at91sam9261_mmc_device = {
.num_resources = ARRAY_SIZE(mmc_resources),
};
-void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
+void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
{
if (!data)
return;
- /* input/irq */
- if (gpio_is_valid(data->det_pin)) {
- at91_set_gpio_input(data->det_pin, 1);
- at91_set_deglitch(data->det_pin, 1);
- }
- if (gpio_is_valid(data->wp_pin))
- at91_set_gpio_input(data->wp_pin, 1);
- if (gpio_is_valid(data->vcc_pin))
- at91_set_gpio_output(data->vcc_pin, 0);
-
- /* CLK */
- at91_set_B_periph(AT91_PIN_PA2, 0);
-
- /* CMD */
- at91_set_B_periph(AT91_PIN_PA1, 1);
-
- /* DAT0, maybe DAT1..DAT3 */
- at91_set_B_periph(AT91_PIN_PA0, 1);
- if (data->wire4) {
- at91_set_B_periph(AT91_PIN_PA4, 1);
- at91_set_B_periph(AT91_PIN_PA5, 1);
- at91_set_B_periph(AT91_PIN_PA6, 1);
- }
+ if (data->slot[0].bus_width) {
+ /* input/irq */
+ if (gpio_is_valid(data->slot[0].detect_pin)) {
+ at91_set_gpio_input(data->slot[0].detect_pin, 1);
+ at91_set_deglitch(data->slot[0].detect_pin, 1);
+ }
+ if (gpio_is_valid(data->slot[0].wp_pin))
+ at91_set_gpio_input(data->slot[0].wp_pin, 1);
+
+ /* CLK */
+ at91_set_B_periph(AT91_PIN_PA2, 0);
+
+ /* CMD */
+ at91_set_B_periph(AT91_PIN_PA1, 1);
+
+ /* DAT0, maybe DAT1..DAT3 */
+ at91_set_B_periph(AT91_PIN_PA0, 1);
+ if (data->slot[0].bus_width == 4) {
+ at91_set_B_periph(AT91_PIN_PA4, 1);
+ at91_set_B_periph(AT91_PIN_PA5, 1);
+ at91_set_B_periph(AT91_PIN_PA6, 1);
+ }
- mmc_data = *data;
- platform_device_register(&at91sam9261_mmc_device);
+ mmc_data = *data;
+ platform_device_register(&at91sam9261_mmc_device);
+ }
}
#else
-void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
+void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
#endif
@@ -285,7 +285,7 @@ static struct i2c_gpio_platform_data pdata = {
static struct platform_device at91sam9261_twi_device = {
.name = "i2c-gpio",
- .id = -1,
+ .id = 0,
.dev.platform_data = &pdata,
};
@@ -317,20 +317,26 @@ static struct resource twi_resources[] = {
};
static struct platform_device at91sam9261_twi_device = {
- .name = "at91_i2c",
- .id = -1,
+ .id = 0,
.resource = twi_resources,
.num_resources = ARRAY_SIZE(twi_resources),
};
void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
{
+ /* IP version is not the same on 9261 and g10 */
+ if (cpu_is_at91sam9g10()) {
+ at91sam9261_twi_device.name = "i2c-at91sam9g10";
+ /* I2C PIO must not be configured as open-drain on this chip */
+ } else {
+ at91sam9261_twi_device.name = "i2c-at91sam9261";
+ at91_set_multi_drive(AT91_PIN_PA7, 1);
+ at91_set_multi_drive(AT91_PIN_PA8, 1);
+ }
+
/* pins used for TWI interface */
at91_set_A_periph(AT91_PIN_PA7, 0); /* TWD */
- at91_set_multi_drive(AT91_PIN_PA7, 1);
-
at91_set_A_periph(AT91_PIN_PA8, 0); /* TWCK */
- at91_set_multi_drive(AT91_PIN_PA8, 1);
i2c_register_board_info(0, devices, nr_devices);
platform_device_register(&at91sam9261_twi_device);
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