ARM: at91: add atmel-mci support for chips and boards which can use it

Since atmel-mci driver supports all atmel mci versions,
use it instead of the deprecated at91_mci driver.
Platform data and all related configuration are removed.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
[nicolas.ferre@atmel.com: remove at91_mci platform data]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

1 files changed, 54 insertions, 38 deletions

diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index e6b7d05..f6c09b8 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -294,9 +294,9 @@ void __init at91_add_device_cf(struct at91_cf_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] = {
@@ -312,7 +312,7 @@ static struct resource mmc_resources[] = {
 };
 
 static struct platform_device at91rm9200_mmc_device = {
-	.name		= "at91_mci",
+	.name		= "atmel_mci",
 	.id		= -1,
 	.dev		= {
 				.dma_mask		= &mmc_dmamask,
@@ -323,53 +323,69 @@ static struct platform_device at91rm9200_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)
 {
+	unsigned int i;
+	unsigned int slot_count = 0;
+
 	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_A_periph(AT91_PIN_PA27, 0);
+	for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
 
-	if (data->slot_b) {
-		/* CMD */
-		at91_set_B_periph(AT91_PIN_PA8, 1);
+		if (!data->slot[i].bus_width)
+			continue;
 
-		/* DAT0, maybe DAT1..DAT3 */
-		at91_set_B_periph(AT91_PIN_PA9, 1);
-		if (data->wire4) {
-			at91_set_B_periph(AT91_PIN_PA10, 1);
-			at91_set_B_periph(AT91_PIN_PA11, 1);
-			at91_set_B_periph(AT91_PIN_PA12, 1);
+		/* input/irq */
+		if (gpio_is_valid(data->slot[i].detect_pin)) {
+			at91_set_gpio_input(data->slot[i].detect_pin, 1);
+			at91_set_deglitch(data->slot[i].detect_pin, 1);
 		}
-	} else {
-		/* CMD */
-		at91_set_A_periph(AT91_PIN_PA28, 1);
-
-		/* DAT0, maybe DAT1..DAT3 */
-		at91_set_A_periph(AT91_PIN_PA29, 1);
-		if (data->wire4) {
-			at91_set_B_periph(AT91_PIN_PB3, 1);
-			at91_set_B_periph(AT91_PIN_PB4, 1);
-			at91_set_B_periph(AT91_PIN_PB5, 1);
+		if (gpio_is_valid(data->slot[i].wp_pin))
+			at91_set_gpio_input(data->slot[i].wp_pin, 1);
+
+		switch (i) {
+		case 0:					/* slot A */
+			/* CMD */
+			at91_set_A_periph(AT91_PIN_PA28, 1);
+			/* DAT0, maybe DAT1..DAT3 */
+			at91_set_A_periph(AT91_PIN_PA29, 1);
+			if (data->slot[i].bus_width == 4) {
+				at91_set_B_periph(AT91_PIN_PB3, 1);
+				at91_set_B_periph(AT91_PIN_PB4, 1);
+				at91_set_B_periph(AT91_PIN_PB5, 1);
+			}
+			slot_count++;
+			break;
+		case 1:					/* slot B */
+			/* CMD */
+			at91_set_B_periph(AT91_PIN_PA8, 1);
+			/* DAT0, maybe DAT1..DAT3 */
+			at91_set_B_periph(AT91_PIN_PA9, 1);
+			if (data->slot[i].bus_width == 4) {
+				at91_set_B_periph(AT91_PIN_PA10, 1);
+				at91_set_B_periph(AT91_PIN_PA11, 1);
+				at91_set_B_periph(AT91_PIN_PA12, 1);
+			}
+			slot_count++;
+			break;
+		default:
+			printk(KERN_ERR
+			       "AT91: SD/MMC slot %d not available\n", i);
+			break;
+		}
+		if (slot_count) {
+			/* CLK */
+			at91_set_A_periph(AT91_PIN_PA27, 0);
+
+			mmc_data = *data;
+			platform_device_register(&at91rm9200_mmc_device);
 		}
 	}
 
-	mmc_data = *data;
-	platform_device_register(&at91rm9200_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