Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6

[pandora-kernel.git] / arch / arm / mach-at91 / board-sam9g20ek.c

diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c
index c11fd47..ca8198b 100644 (file)
--- a/arch/arm/mach-at91/board-sam9g20ek.c
+++ b/arch/arm/mach-at91/board-sam9g20ek.c
@@ -27,6 +27,9 @@
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 #include <linux/clk.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/consumer.h>
 
 #include <mach/hardware.h>
 #include <asm/setup.h>
@@ -44,6 +47,18 @@
 #include "sam9_smc.h"
 #include "generic.h"
 
+/*
+ * board revision encoding
+ * bit 0:
+ *     0 => 1 sd/mmc slot
+ *     1 => 2 sd/mmc slots connectors (board from revision C)
+ */
+#define HAVE_2MMC      (1 << 0)
+static int inline ek_have_2mmc(void)
+{
+       return machine_is_at91sam9g20ek_2mmc() || (system_rev & HAVE_2MMC);
+}
+
 
 static void __init ek_map_io(void)
 {
@@ -91,7 +106,7 @@ static struct at91_udc_data __initdata ek_udc_data = {
  * SPI devices.
  */
 static struct spi_board_info ek_spi_devices[] = {
-#if !defined(CONFIG_MMC_AT91)
+#if !(defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_AT91))
        {       /* DataFlash chip */
                .modalias       = "mtd_dataflash",
                .chip_select    = 1,
@@ -118,6 +133,13 @@ static struct at91_eth_data __initdata ek_macb_data = {
        .is_rmii        = 1,
 };
 
+static void __init ek_add_device_macb(void)
+{
+       if (ek_have_2mmc())
+               ek_macb_data.phy_irq_pin = AT91_PIN_PB0;
+
+       at91_add_device_eth(&ek_macb_data);
+}
 
 /*
  * NAND flash
@@ -195,13 +217,36 @@ static void __init ek_add_device_nand(void)
 
 /*
  * MCI (SD/MMC)
- * det_pin, wp_pin and vcc_pin are not connected
+ * wp_pin and vcc_pin are not connected
  */
+#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
+static struct mci_platform_data __initdata ek_mmc_data = {
+       .slot[1] = {
+               .bus_width      = 4,
+               .detect_pin     = AT91_PIN_PC9,
+       },
+
+};
+#else
 static struct at91_mmc_data __initdata ek_mmc_data = {
-       .slot_b         = 1,
+       .slot_b         = 1,    /* Only one slot so use slot B */
        .wire4          = 1,
+       .det_pin        = AT91_PIN_PC9,
 };
+#endif
 
+static void __init ek_add_device_mmc(void)
+{
+#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
+       if (ek_have_2mmc()) {
+               ek_mmc_data.slot[0].bus_width = 4;
+               ek_mmc_data.slot[0].detect_pin = AT91_PIN_PC2;
+       }
+       at91_add_device_mci(0, &ek_mmc_data);
+#else
+       at91_add_device_mmc(0, &ek_mmc_data);
+#endif
+}
 
 /*
  * LEDs
@@ -220,6 +265,15 @@ static struct gpio_led ek_leds[] = {
        }
 };
 
+static void __init ek_add_device_gpio_leds(void)
+{
+       if (ek_have_2mmc()) {
+               ek_leds[0].gpio = AT91_PIN_PB8;
+               ek_leds[1].gpio = AT91_PIN_PB9;
+       }
+
+       at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+}
 
 /*
  * GPIO Buttons
@@ -269,6 +323,46 @@ static void __init ek_add_device_buttons(void)
 static void __init ek_add_device_buttons(void) {}
 #endif
 
+#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE)
+static struct regulator_consumer_supply ek_audio_consumer_supplies[] = {
+       REGULATOR_SUPPLY("AVDD", "0-001b"),
+       REGULATOR_SUPPLY("HPVDD", "0-001b"),
+       REGULATOR_SUPPLY("DBVDD", "0-001b"),
+       REGULATOR_SUPPLY("DCVDD", "0-001b"),
+};
+
+static struct regulator_init_data ek_avdd_reg_init_data = {
+       .constraints    = {
+               .name   = "3V3",
+               .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+       },
+       .consumer_supplies = ek_audio_consumer_supplies,
+       .num_consumer_supplies = ARRAY_SIZE(ek_audio_consumer_supplies),
+};
+
+static struct fixed_voltage_config ek_vdd_pdata = {
+       .supply_name    = "board-3V3",
+       .microvolts     = 3300000,
+       .gpio           = -EINVAL,
+       .enabled_at_boot = 0,
+       .init_data      = &ek_avdd_reg_init_data,
+};
+static struct platform_device ek_voltage_regulator = {
+       .name           = "reg-fixed-voltage",
+       .id             = -1,
+       .num_resources  = 0,
+       .dev            = {
+               .platform_data  = &ek_vdd_pdata,
+       },
+};
+static void __init ek_add_regulators(void)
+{
+       platform_device_register(&ek_voltage_regulator);
+}
+#else
+static void __init ek_add_regulators(void) {}
+#endif
+
 
 static struct i2c_board_info __initdata ek_i2c_devices[] = {
         {
@@ -293,13 +387,15 @@ static void __init ek_board_init(void)
        /* NAND */
        ek_add_device_nand();
        /* Ethernet */
-       at91_add_device_eth(&ek_macb_data);
+       ek_add_device_macb();
+       /* Regulators */
+       ek_add_regulators();
        /* MMC */
-       at91_add_device_mmc(0, &ek_mmc_data);
+       ek_add_device_mmc();
        /* I2C */
        at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
        /* LEDs */
-       at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+       ek_add_device_gpio_leds();
        /* Push Buttons */
        ek_add_device_buttons();
        /* PCK0 provides MCLK to the WM8731 */
@@ -310,8 +406,15 @@ static void __init ek_board_init(void)
 
 MACHINE_START(AT91SAM9G20EK, "Atmel AT91SAM9G20-EK")
        /* Maintainer: Atmel */
-       .phys_io        = AT91_BASE_SYS,
-       .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+       .boot_params    = AT91_SDRAM_BASE + 0x100,
+       .timer          = &at91sam926x_timer,
+       .map_io         = ek_map_io,
+       .init_irq       = ek_init_irq,
+       .init_machine   = ek_board_init,
+MACHINE_END
+
+MACHINE_START(AT91SAM9G20EK_2MMC, "Atmel AT91SAM9G20-EK 2 MMC Slot Mod")
+       /* Maintainer: Atmel */
        .boot_params    = AT91_SDRAM_BASE + 0x100,
        .timer          = &at91sam926x_timer,
        .map_io         = ek_map_io,