30 files changed, 187 insertions, 113 deletions

diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 8538e4131d27..fc178a022dd2 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -19,6 +19,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
+#include <linux/mmc/host.h>
 #include <linux/delay.h>
 #include <linux/i2c/twl.h>
 #include <linux/err.h>
@@ -190,7 +191,7 @@ static int __init omap2430_i2c_init(void)
 static struct omap2_hsmmc_info mmc[] __initdata = {
         {
                 .mmc            = 1,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = -EINVAL,
                 .ext_clock      = 1,
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 67b95b5f1a2f..3eb9839e33ed 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -24,6 +24,7 @@
 #include <linux/regulator/machine.h>
 #include <linux/io.h>
 #include <linux/gpio.h>
+#include <linux/mmc/host.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -353,12 +354,12 @@ static struct omap2_hsmmc_info mmc[] = {
                 /* 8 bits (default) requires S6.3 == ON,
                  * so the SIM card isn't used; else 4 bits.
                  */
-                .wires          = 8,
+                .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
                 .gpio_wp        = 4,
         },
         {
                 .mmc            = 2,
-                .wires          = 8,
+                .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
                 .gpio_wp        = 7,
         },
         {}      /* Terminator */
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 9447644774c2..e379bef1ef40 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -193,12 +193,12 @@ static struct omap_musb_board_data musb_board_data = {
 static struct omap2_hsmmc_info mmc[] = {
         {
                 .mmc            = 1,
-                .wires          = 8,
+                .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
                 .gpio_wp        = -EINVAL,
         },
         {
                 .mmc            = 2,
-                .wires          = 8,
+                .caps           =  MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = -EINVAL,
                 .nonremovable   = true,
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index e10bc109415c..b72009a50f01 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -31,6 +31,7 @@
 #include <linux/i2c/at24.h>
 #include <linux/i2c/twl.h>
 #include <linux/regulator/machine.h>
+#include <linux/mmc/host.h>
 
 #include <linux/spi/spi.h>
 #include <linux/spi/tdo24m.h>
@@ -579,14 +580,14 @@ static struct twl4030_keypad_data cm_t35_kp_data = {
 static struct omap2_hsmmc_info mmc[] = {
         {
                 .mmc            = 1,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = -EINVAL,
 
         },
         {
                 .mmc            = 2,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .transceiver    = 1,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = -EINVAL,
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index a07086d6a0b2..de5e2c2f4e80 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -28,6 +28,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/nand.h>
+#include <linux/mmc/host.h>
 
 #include <linux/regulator/machine.h>
 #include <linux/i2c/twl.h>
@@ -105,7 +106,7 @@ static struct omap_nand_platform_data devkit8000_nand_data = {
 static struct omap2_hsmmc_info mmc[] = {
         {
                 .mmc            = 1,
-                .wires          = 8,
+                .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
                 .gpio_wp        = 29,
         },
         {}      /* Terminator */
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 175f04339761..f3f028056916 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -20,6 +20,7 @@
 
 #include <linux/regulator/machine.h>
 #include <linux/i2c/twl.h>
+#include <linux/mmc/host.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -248,13 +249,13 @@ static struct regulator_init_data igep2_vmmc2 = {
 static struct omap2_hsmmc_info mmc[] = {
         {
                 .mmc            = 1,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = -EINVAL,
         },
         {
                 .mmc            = 2,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = -EINVAL,
         },
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 00d9b13b01c5..58698e359ccf 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -27,6 +27,7 @@
 #include <linux/i2c/twl.h>
 #include <linux/io.h>
 #include <linux/smsc911x.h>
+#include <linux/mmc/host.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -362,7 +363,7 @@ static int __init omap_i2c_init(void)
 static struct omap2_hsmmc_info mmc[] __initdata = {
         {
                 .mmc            = 1,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = -EINVAL,
         },
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index a3e2b49aa39f..7a93bd5b24c5 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -20,6 +20,7 @@
 #include <linux/i2c.h>
 #include <linux/spi/spi.h>
 #include <linux/usb/musb.h>
+#include <sound/tlv320aic3x.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
@@ -487,7 +488,7 @@ static struct omap_mmc_platform_data mmc1_data = {
         .max_freq                       = 24000000,
         .dma_mask                       = 0xffffffff,
         .slots[0] = {
-                .wires                  = 4,
+                .caps                   = MMC_CAP_4_BIT_DATA,
                 .set_power              = n8x0_mmc_set_power,
                 .set_bus_mode           = n8x0_mmc_set_bus_mode,
                 .get_cover_state        = n8x0_mmc_get_cover_state,
@@ -614,29 +615,35 @@ static int n8x0_menelaus_late_init(struct device *dev)
         return 0;
 }
 
-static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] = {
+#else
+static int n8x0_menelaus_late_init(struct device *dev)
+{
+        return 0;
+}
+#endif
+
+static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
+        .late_init = n8x0_menelaus_late_init,
+};
+
+static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
         {
                 I2C_BOARD_INFO("menelaus", 0x72),
                 .irq = INT_24XX_SYS_NIRQ,
+                .platform_data = &n8x0_menelaus_platform_data,
         },
 };
 
-static struct menelaus_platform_data n8x0_menelaus_platform_data = {
-        .late_init = n8x0_menelaus_late_init,
+static struct aic3x_pdata n810_aic33_data __initdata = {
+        .gpio_reset = 118,
 };
 
-static void __init n8x0_menelaus_init(void)
-{
-        n8x0_i2c_board_info_1[0].platform_data = &n8x0_menelaus_platform_data;
-        omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
-                              ARRAY_SIZE(n8x0_i2c_board_info_1));
-}
-
-#else
-static inline void __init n8x0_menelaus_init(void)
-{
-}
-#endif
+static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
+        {
+                I2C_BOARD_INFO("tlv320aic3x", 0x18),
+                .platform_data = &n810_aic33_data,
+        },
+};
 
 static void __init n8x0_map_io(void)
 {
@@ -653,6 +660,11 @@ static void __init n8x0_init_irq(void)
 
 #ifdef CONFIG_OMAP_MUX
 static struct omap_board_mux board_mux[] __initdata = {
+        /* I2S codec port pins for McBSP block */
+        OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
+        OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
+        OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
+        OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
         { .reg_offset = OMAP_MUX_TERMINATOR },
 };
 #else
@@ -665,9 +677,14 @@ static void __init n8x0_init_machine(void)
         /* FIXME: add n810 spi devices */
         spi_register_board_info(n800_spi_board_info,
                                 ARRAY_SIZE(n800_spi_board_info));
+        omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
+                              ARRAY_SIZE(n8x0_i2c_board_info_1));
+        omap_register_i2c_bus(2, 400, NULL, 0);
+        if (machine_is_nokia_n810())
+                i2c_register_board_info(2, n810_i2c_board_info_2,
+                                        ARRAY_SIZE(n810_i2c_board_info_2));
 
         omap_serial_init();
-        n8x0_menelaus_init();
         n8x0_onenand_init();
         n8x0_mmc_init();
         n8x0_usb_init();
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 87969c7df652..51493f59325d 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -27,6 +27,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/nand.h>
+#include <linux/mmc/host.h>
 
 #include <linux/regulator/machine.h>
 #include <linux/i2c/twl.h>
@@ -166,7 +167,7 @@ static void __init beagle_display_init(void)
 static struct omap2_hsmmc_info mmc[] = {
         {
                 .mmc            = 1,
-                .wires          = 8,
+                .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
                 .gpio_wp        = 29,
         },
         {}      /* Terminator */
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index f76d9c0a47a1..523ba551ee7b 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -31,6 +31,7 @@
 #include <linux/smsc911x.h>
 
 #include <linux/regulator/machine.h>
+#include <linux/mmc/host.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -370,7 +371,7 @@ static struct regulator_init_data omap3evm_vsim = {
 static struct omap2_hsmmc_info mmc[] = {
         {
                 .mmc            = 1,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = 63,
         },
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index dd3af2be13be..2d2e6fc127ac 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -32,6 +32,7 @@
 #include <linux/input.h>
 #include <linux/input/matrix_keypad.h>
 #include <linux/gpio_keys.h>
+#include <linux/mmc/host.h>
 #include <linux/mmc/card.h>
 
 #include <asm/mach-types.h>
@@ -276,14 +277,14 @@ static void pandora_wl1251_init_card(struct mmc_card *card)
 static struct omap2_hsmmc_info omap3pandora_mmc[] = {
         {
                 .mmc            = 1,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = 126,
                 .ext_clock      = 0,
         },
         {
                 .mmc            = 2,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = 127,
                 .ext_clock      = 1,
@@ -291,7 +292,7 @@ static struct omap2_hsmmc_info omap3pandora_mmc[] = {
         },
         {
                 .mmc            = 3,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = -EINVAL,
                 .init_card      = pandora_wl1251_init_card,
diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
index bcd01d278c65..c1b881d3d8ae 100644
--- a/arch/arm/mach-omap2/board-omap3stalker.c
+++ b/arch/arm/mach-omap2/board-omap3stalker.c
@@ -26,6 +26,7 @@
 
 #include <linux/regulator/machine.h>
 #include <linux/i2c/twl.h>
+#include <linux/mmc/host.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -275,7 +276,7 @@ static struct regulator_init_data omap3stalker_vsim = {
 static struct omap2_hsmmc_info mmc[] = {
         {
          .mmc           = 1,
-         .wires         = 4,
+         .caps          = MMC_CAP_4_BIT_DATA,
          .gpio_cd       = -EINVAL,
          .gpio_wp       = 23,
          },
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c
index 663c62d271e8..9ab18fdd974c 100644
--- a/arch/arm/mach-omap2/board-omap3touchbook.c
+++ b/arch/arm/mach-omap2/board-omap3touchbook.c
@@ -27,6 +27,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/nand.h>
+#include <linux/mmc/host.h>
 
 #include <plat/mcspi.h>
 #include <linux/spi/spi.h>
@@ -108,7 +109,7 @@ static struct omap_nand_platform_data omap3touchbook_nand_data = {
 static struct omap2_hsmmc_info mmc[] = {
         {
                 .mmc            = 1,
-                .wires          = 8,
+                .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
                 .gpio_wp        = 29,
         },
         {}      /* Terminator */
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index c03d1d56db56..0bb2353b64a4 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -56,7 +56,7 @@ static struct omap_musb_board_data musb_board_data = {
 static struct omap2_hsmmc_info mmc[] = {
         {
                 .mmc            = 1,
-                .wires          = 8,
+                .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
                 .gpio_wp        = -EINVAL,
         },
         {}      /* Terminator */
@@ -274,8 +274,6 @@ static int __init omap4_panda_i2c_init(void)
 }
 static void __init omap4_panda_init(void)
 {
-        int status;
-
         omap4_panda_i2c_init();
         omap_serial_init();
         omap4_twl6030_hsmmc_init(mmc);
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index 4c4843618350..93441e5b36ef 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -32,6 +32,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
+#include <linux/mmc/host.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -303,13 +304,13 @@ static void __init overo_flash_init(void)
 static struct omap2_hsmmc_info mmc[] = {
         {
                 .mmc            = 1,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = -EINVAL,
         },
         {
                 .mmc            = 2,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = -EINVAL,
                 .transceiver    = true,
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 9a5eb87425fc..a3dbaa7b8632 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -302,7 +302,7 @@ static struct omap2_hsmmc_info mmc[] __initdata = {
         {
                 .name           = "external",
                 .mmc            = 1,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .cover_only     = true,
                 .gpio_cd        = 160,
                 .gpio_wp        = -EINVAL,
@@ -311,7 +311,8 @@ static struct omap2_hsmmc_info mmc[] __initdata = {
         {
                 .name           = "internal",
                 .mmc            = 2,
-                .wires          = 8, /* See also rx51_mmc2_remux */
+                .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
+                                                /* See also rx51_mmc2_remux */
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = -EINVAL,
                 .nonremovable   = true,
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index 6b3984964cc5..e5eac46bbac9 100644
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -16,6 +16,7 @@
 #include <linux/gpio.h>
 #include <linux/i2c/twl.h>
 #include <linux/regulator/machine.h>
+#include <linux/mmc/host.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -155,14 +156,14 @@ static struct omap2_hsmmc_info mmc[] __initdata = {
         {
                 .name           = "external",
                 .mmc            = 1,
-                .wires          = 4,
+                .caps           = MMC_CAP_4_BIT_DATA,
                 .gpio_wp        = -EINVAL,
                 .power_saving   = true,
         },
         {
                 .name           = "internal",
                 .mmc            = 2,
-                .wires          = 8,
+                .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = -EINVAL,
                 .nonremovable   = true,
diff --git a/arch/arm/mach-omap2/clock2420_data.c b/arch/arm/mach-omap2/clock2420_data.c
index 37d65d62ed8f..5f2066a6ba74 100644
--- a/arch/arm/mach-omap2/clock2420_data.c
+++ b/arch/arm/mach-omap2/clock2420_data.c
@@ -1838,7 +1838,7 @@ static struct omap_clk omap2420_clks[] = {
         CLK(NULL,       "des_ick",      &des_ick,       CK_242X),
         CLK("omap-sham",        "ick",  &sha_ick,       CK_242X),
         CLK("omap_rng", "ick",          &rng_ick,       CK_242X),
-        CLK(NULL,       "aes_ick",      &aes_ick,       CK_242X),
+        CLK("omap-aes", "ick",  &aes_ick,       CK_242X),
         CLK(NULL,       "pka_ick",      &pka_ick,       CK_242X),
         CLK(NULL,       "usb_fck",      &usb_fck,       CK_242X),
         CLK("musb_hdrc",        "fck",  &osc_ck,        CK_242X),
diff --git a/arch/arm/mach-omap2/clock2430_data.c b/arch/arm/mach-omap2/clock2430_data.c
index b33118fb6a87..701a1716019e 100644
--- a/arch/arm/mach-omap2/clock2430_data.c
+++ b/arch/arm/mach-omap2/clock2430_data.c
@@ -1926,7 +1926,7 @@ static struct omap_clk omap2430_clks[] = {
         CLK(NULL,       "des_ick",      &des_ick,       CK_243X),
         CLK("omap-sham",        "ick",  &sha_ick,       CK_243X),
         CLK("omap_rng", "ick",          &rng_ick,       CK_243X),
-        CLK(NULL,       "aes_ick",      &aes_ick,       CK_243X),
+        CLK("omap-aes", "ick",  &aes_ick,       CK_243X),
         CLK(NULL,       "pka_ick",      &pka_ick,       CK_243X),
         CLK(NULL,       "usb_fck",      &usb_fck,       CK_243X),
         CLK("musb_hdrc",        "ick",  &usbhs_ick,     CK_243X),
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index dfdce2d82779..c73906d17458 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -3288,7 +3288,7 @@ static struct omap_clk omap3xxx_clks[] = {
         CLK(NULL,       "usbtll_ick",   &usbtll_ick,    CK_3430ES2 | CK_AM35XX),
         CLK("mmci-omap-hs.2",   "ick",  &mmchs3_ick,    CK_3430ES2 | CK_AM35XX),
         CLK(NULL,       "icr_ick",      &icr_ick,       CK_343X),
-        CLK(NULL,       "aes2_ick",     &aes2_ick,      CK_343X),
+        CLK("omap-aes", "ick",  &aes2_ick,      CK_343X),
         CLK("omap-sham",        "ick",  &sha12_ick,     CK_343X),
         CLK(NULL,       "des2_ick",     &des2_ick,      CK_343X),
         CLK("mmci-omap-hs.1",   "ick",  &mmchs2_ick,    CK_3XXX),
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 2dbb265bedd4..9e5d51bee94a 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -498,6 +498,76 @@ static void omap_init_sham(void)
 static inline void omap_init_sham(void) { }
 #endif
 
+#if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE)
+
+#ifdef CONFIG_ARCH_OMAP2
+static struct resource omap2_aes_resources[] = {
+        {
+                .start  = OMAP24XX_SEC_AES_BASE,
+                .end    = OMAP24XX_SEC_AES_BASE + 0x4C,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = OMAP24XX_DMA_AES_TX,
+                .flags  = IORESOURCE_DMA,
+        },
+        {
+                .start  = OMAP24XX_DMA_AES_RX,
+                .flags  = IORESOURCE_DMA,
+        }
+};
+static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources);
+#else
+#define omap2_aes_resources             NULL
+#define omap2_aes_resources_sz          0
+#endif
+
+#ifdef CONFIG_ARCH_OMAP3
+static struct resource omap3_aes_resources[] = {
+        {
+                .start  = OMAP34XX_SEC_AES_BASE,
+                .end    = OMAP34XX_SEC_AES_BASE + 0x4C,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = OMAP34XX_DMA_AES2_TX,
+                .flags  = IORESOURCE_DMA,
+        },
+        {
+                .start  = OMAP34XX_DMA_AES2_RX,
+                .flags  = IORESOURCE_DMA,
+        }
+};
+static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources);
+#else
+#define omap3_aes_resources             NULL
+#define omap3_aes_resources_sz          0
+#endif
+
+static struct platform_device aes_device = {
+        .name           = "omap-aes",
+        .id             = -1,
+};
+
+static void omap_init_aes(void)
+{
+        if (cpu_is_omap24xx()) {
+                aes_device.resource = omap2_aes_resources;
+                aes_device.num_resources = omap2_aes_resources_sz;
+        } else if (cpu_is_omap34xx()) {
+                aes_device.resource = omap3_aes_resources;
+                aes_device.num_resources = omap3_aes_resources_sz;
+        } else {
+                pr_err("%s: platform not supported\n", __func__);
+                return;
+        }
+        platform_device_register(&aes_device);
+}
+
+#else
+static inline void omap_init_aes(void) { }
+#endif
+
 /*-------------------------------------------------------------------------*/
 
 #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
@@ -624,7 +694,7 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
                 omap_mux_init_signal("sdmmc_dat0", 0);
                 omap_mux_init_signal("sdmmc_dat_dir0", 0);
                 omap_mux_init_signal("sdmmc_cmd_dir", 0);
-                if (mmc_controller->slots[0].wires == 4) {
+                if (mmc_controller->slots[0].caps & MMC_CAP_4_BIT_DATA) {
                         omap_mux_init_signal("sdmmc_dat1", 0);
                         omap_mux_init_signal("sdmmc_dat2", 0);
                         omap_mux_init_signal("sdmmc_dat3", 0);
@@ -652,8 +722,8 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
                                 OMAP_PIN_INPUT_PULLUP);
                         omap_mux_init_signal("sdmmc1_dat0",
                                 OMAP_PIN_INPUT_PULLUP);
-                        if (mmc_controller->slots[0].wires == 4 ||
-                                mmc_controller->slots[0].wires == 8) {
+                        if (mmc_controller->slots[0].caps &
+                                (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) {
                                 omap_mux_init_signal("sdmmc1_dat1",
                                         OMAP_PIN_INPUT_PULLUP);
                                 omap_mux_init_signal("sdmmc1_dat2",
@@ -661,7 +731,8 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
                                 omap_mux_init_signal("sdmmc1_dat3",
                                         OMAP_PIN_INPUT_PULLUP);
                         }
-                        if (mmc_controller->slots[0].wires == 8) {
+                        if (mmc_controller->slots[0].caps &
+                                                MMC_CAP_8_BIT_DATA) {
                                 omap_mux_init_signal("sdmmc1_dat4",
                                         OMAP_PIN_INPUT_PULLUP);
                                 omap_mux_init_signal("sdmmc1_dat5",
@@ -685,8 +756,8 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
                          * For 8 wire configurations, Lines DAT4, 5, 6 and 7 need to be muxed
                          * in the board-*.c files
                          */
-                        if (mmc_controller->slots[0].wires == 4 ||
-                                mmc_controller->slots[0].wires == 8) {
+                        if (mmc_controller->slots[0].caps &
+                                (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) {
                                 omap_mux_init_signal("sdmmc2_dat1",
                                         OMAP_PIN_INPUT_PULLUP);
                                 omap_mux_init_signal("sdmmc2_dat2",
@@ -694,7 +765,8 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
                                 omap_mux_init_signal("sdmmc2_dat3",
                                         OMAP_PIN_INPUT_PULLUP);
                         }
-                        if (mmc_controller->slots[0].wires == 8) {
+                        if (mmc_controller->slots[0].caps &
+                                                        MMC_CAP_8_BIT_DATA) {
                                 omap_mux_init_signal("sdmmc2_dat4.sdmmc2_dat4",
                                         OMAP_PIN_INPUT_PULLUP);
                                 omap_mux_init_signal("sdmmc2_dat5.sdmmc2_dat5",
@@ -854,6 +926,7 @@ static int __init omap2_init_devices(void)
         omap_hdq_init();
         omap_init_sti();
         omap_init_sham();
+        omap_init_aes();
         omap_init_vout();
 
         return 0;
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index c8f647b6205e..87ce6ffccefc 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -258,7 +258,7 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
                                 "mmc%islot%i", c->mmc, 1);
                 mmc->slots[0].name = hc->name;
                 mmc->nr_slots = 1;
-                mmc->slots[0].wires = c->wires;
+                mmc->slots[0].caps = c->caps;
                 mmc->slots[0].internal_clock = !c->ext_clock;
                 mmc->dma_mask = 0xffffffff;
 
@@ -316,16 +316,20 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
                         }
 
                         /* Omap3630 HSMMC1 supports only 4-bit */
-                        if (cpu_is_omap3630() && c->wires > 4) {
-                                c->wires = 4;
-                                mmc->slots[0].wires = c->wires;
+                        if (cpu_is_omap3630() &&
+                                        (c->caps & MMC_CAP_8_BIT_DATA)) {
+                                c->caps &= ~MMC_CAP_8_BIT_DATA;
+                                c->caps |= MMC_CAP_4_BIT_DATA;
+                                mmc->slots[0].caps = c->caps;
                         }
                         break;
                 case 2:
                         if (c->ext_clock)
                                 c->transceiver = 1;
-                        if (c->transceiver && c->wires > 4)
-                                c->wires = 4;
+                        if (c->transceiver && (c->caps & MMC_CAP_8_BIT_DATA)) {
+                                c->caps &= ~MMC_CAP_8_BIT_DATA;
+                                c->caps |= MMC_CAP_4_BIT_DATA;
+                        }
                         /* FALLTHROUGH */
                 case 3:
                         if (mmc->slots[0].features & HSMMC_HAS_PBIAS) {
diff --git a/arch/arm/mach-omap2/hsmmc.h b/arch/arm/mach-omap2/hsmmc.h
index 1fe6f0187177..281e97287adf 100644
--- a/arch/arm/mach-omap2/hsmmc.h
+++ b/arch/arm/mach-omap2/hsmmc.h
@@ -10,7 +10,8 @@ struct mmc_card;
 
 struct omap2_hsmmc_info {
         u8      mmc;            /* controller 1/2/3 */
-        u8      wires;          /* 1/4/8 wires */
+        u32     caps;           /* 4/8 wires and any additional host
+                                 * capabilities OR'd (ref. linux/mmc/host.h) */
         bool    transceiver;    /* MMC-2 option */
         bool    ext_clock;      /* use external pin for input clock */
         bool    cover_only;     /* No card detect - just cover switch */
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index 467aae245781..88b8790e4fec 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -23,29 +23,6 @@
 #include <plat/cpu.h>
 #include <plat/mcbsp.h>
 
-#include "mux.h"
-
-static void omap2_mcbsp2_mux_setup(void)
-{
-        omap_mux_init_signal("eac_ac_sclk.mcbsp2_clkx", OMAP_PULL_ENA);
-        omap_mux_init_signal("eac_ac_fs.mcbsp2_fsx", OMAP_PULL_ENA);
-        omap_mux_init_signal("eac_ac_din.mcbsp2_dr", OMAP_PULL_ENA);
-        omap_mux_init_signal("eac_ac_dout.mcbsp2_dx", OMAP_PULL_ENA);
-        omap_mux_init_gpio(117, OMAP_PULL_ENA);
-        /*
-         * TODO: Need to add MUX settings for OMAP 2430 SDP
-         */
-}
-
-static void omap2_mcbsp_request(unsigned int id)
-{
-        if (cpu_is_omap2420() && (id == OMAP_MCBSP2))
-                omap2_mcbsp2_mux_setup();
-}
-
-static struct omap_mcbsp_ops omap2_mcbsp_ops = {
-        .request        = omap2_mcbsp_request,
-};
 
 #ifdef CONFIG_ARCH_OMAP2420
 static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {
@@ -55,7 +32,6 @@ static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {
                 .dma_tx_sync    = OMAP24XX_DMA_MCBSP1_TX,
                 .rx_irq         = INT_24XX_MCBSP1_IRQ_RX,
                 .tx_irq         = INT_24XX_MCBSP1_IRQ_TX,
-                .ops            = &omap2_mcbsp_ops,
         },
         {
                 .phys_base      = OMAP24XX_MCBSP2_BASE,
@@ -63,7 +39,6 @@ static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {
                 .dma_tx_sync    = OMAP24XX_DMA_MCBSP2_TX,
                 .rx_irq         = INT_24XX_MCBSP2_IRQ_RX,
                 .tx_irq         = INT_24XX_MCBSP2_IRQ_TX,
-                .ops            = &omap2_mcbsp_ops,
         },
 };
 #define OMAP2420_MCBSP_PDATA_SZ         ARRAY_SIZE(omap2420_mcbsp_pdata)
@@ -82,7 +57,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                 .dma_tx_sync    = OMAP24XX_DMA_MCBSP1_TX,
                 .rx_irq         = INT_24XX_MCBSP1_IRQ_RX,
                 .tx_irq         = INT_24XX_MCBSP1_IRQ_TX,
-                .ops            = &omap2_mcbsp_ops,
         },
         {
                 .phys_base      = OMAP24XX_MCBSP2_BASE,
@@ -90,7 +64,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                 .dma_tx_sync    = OMAP24XX_DMA_MCBSP2_TX,
                 .rx_irq         = INT_24XX_MCBSP2_IRQ_RX,
                 .tx_irq         = INT_24XX_MCBSP2_IRQ_TX,
-                .ops            = &omap2_mcbsp_ops,
         },
         {
                 .phys_base      = OMAP2430_MCBSP3_BASE,
@@ -98,7 +71,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                 .dma_tx_sync    = OMAP24XX_DMA_MCBSP3_TX,
                 .rx_irq         = INT_24XX_MCBSP3_IRQ_RX,
                 .tx_irq         = INT_24XX_MCBSP3_IRQ_TX,
-                .ops            = &omap2_mcbsp_ops,
         },
         {
                 .phys_base      = OMAP2430_MCBSP4_BASE,
@@ -106,7 +78,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                 .dma_tx_sync    = OMAP24XX_DMA_MCBSP4_TX,
                 .rx_irq         = INT_24XX_MCBSP4_IRQ_RX,
                 .tx_irq         = INT_24XX_MCBSP4_IRQ_TX,
-                .ops            = &omap2_mcbsp_ops,
         },
         {
                 .phys_base      = OMAP2430_MCBSP5_BASE,
@@ -114,7 +85,6 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
                 .dma_tx_sync    = OMAP24XX_DMA_MCBSP5_TX,
                 .rx_irq         = INT_24XX_MCBSP5_IRQ_RX,
                 .tx_irq         = INT_24XX_MCBSP5_IRQ_TX,
-                .ops            = &omap2_mcbsp_ops,
         },
 };
 #define OMAP2430_MCBSP_PDATA_SZ         ARRAY_SIZE(omap2430_mcbsp_pdata)
@@ -133,7 +103,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                 .dma_tx_sync    = OMAP24XX_DMA_MCBSP1_TX,
                 .rx_irq         = INT_24XX_MCBSP1_IRQ_RX,
                 .tx_irq         = INT_24XX_MCBSP1_IRQ_TX,
-                .ops            = &omap2_mcbsp_ops,
                 .buffer_size    = 0x80, /* The FIFO has 128 locations */
         },
         {
@@ -143,7 +112,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                 .dma_tx_sync    = OMAP24XX_DMA_MCBSP2_TX,
                 .rx_irq         = INT_24XX_MCBSP2_IRQ_RX,
                 .tx_irq         = INT_24XX_MCBSP2_IRQ_TX,
-                .ops            = &omap2_mcbsp_ops,
                 .buffer_size    = 0x500, /* The FIFO has 1024 + 256 locations */
         },
         {
@@ -153,7 +121,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                 .dma_tx_sync    = OMAP24XX_DMA_MCBSP3_TX,
                 .rx_irq         = INT_24XX_MCBSP3_IRQ_RX,
                 .tx_irq         = INT_24XX_MCBSP3_IRQ_TX,
-                .ops            = &omap2_mcbsp_ops,
                 .buffer_size    = 0x80, /* The FIFO has 128 locations */
         },
         {
@@ -162,7 +129,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                 .dma_tx_sync    = OMAP24XX_DMA_MCBSP4_TX,
                 .rx_irq         = INT_24XX_MCBSP4_IRQ_RX,
                 .tx_irq         = INT_24XX_MCBSP4_IRQ_TX,
-                .ops            = &omap2_mcbsp_ops,
                 .buffer_size    = 0x80, /* The FIFO has 128 locations */
         },
         {
@@ -171,7 +137,6 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
                 .dma_tx_sync    = OMAP24XX_DMA_MCBSP5_TX,
                 .rx_irq         = INT_24XX_MCBSP5_IRQ_RX,
                 .tx_irq         = INT_24XX_MCBSP5_IRQ_TX,
-                .ops            = &omap2_mcbsp_ops,
                 .buffer_size    = 0x80, /* The FIFO has 128 locations */
         },
 };
@@ -189,28 +154,24 @@ static struct omap_mcbsp_platform_data omap44xx_mcbsp_pdata[] = {
                 .dma_rx_sync    = OMAP44XX_DMA_MCBSP1_RX,
                 .dma_tx_sync    = OMAP44XX_DMA_MCBSP1_TX,
                 .tx_irq         = OMAP44XX_IRQ_MCBSP1,
-                .ops            = &omap2_mcbsp_ops,
         },
         {
                 .phys_base      = OMAP44XX_MCBSP2_BASE,
                 .dma_rx_sync    = OMAP44XX_DMA_MCBSP2_RX,
                 .dma_tx_sync    = OMAP44XX_DMA_MCBSP2_TX,
                 .tx_irq         = OMAP44XX_IRQ_MCBSP2,
-                .ops            = &omap2_mcbsp_ops,
         },
         {
                 .phys_base      = OMAP44XX_MCBSP3_BASE,
                 .dma_rx_sync    = OMAP44XX_DMA_MCBSP3_RX,
                 .dma_tx_sync    = OMAP44XX_DMA_MCBSP3_TX,
                 .tx_irq         = OMAP44XX_IRQ_MCBSP3,
-                .ops            = &omap2_mcbsp_ops,
         },
         {
                 .phys_base      = OMAP44XX_MCBSP4_BASE,
                 .dma_rx_sync    = OMAP44XX_DMA_MCBSP4_RX,
                 .dma_tx_sync    = OMAP44XX_DMA_MCBSP4_TX,
                 .tx_irq         = OMAP44XX_IRQ_MCBSP4,
-                .ops            = &omap2_mcbsp_ops,
         },
 };
 #define OMAP44XX_MCBSP_PDATA_SZ         ARRAY_SIZE(omap44xx_mcbsp_pdata)
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index ab403b2ed26b..6c2f8f0c0edb 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -87,7 +87,7 @@ static char *omap_mux_options;
 int __init omap_mux_init_gpio(int gpio, int val)
 {
         struct omap_mux_entry *e;
-        struct omap_mux *gpio_mux;
+        struct omap_mux *gpio_mux = NULL;
         u16 old_mode;
         u16 mux_mode;
         int found = 0;
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 11c5b0eefb85..c05c653d1674 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -2084,7 +2084,7 @@ void omap2_gpio_prepare_for_idle(int power_state)
 
         for (i = min; i < gpio_bank_count; i++) {
                 struct gpio_bank *bank = &gpio_bank[i];
-                u32 l1, l2;
+                u32 l1 = 0, l2 = 0;
                 int j;
 
                 for (j = 0; j < hweight_long(bank->dbck_enable_mask); j++)
@@ -2152,7 +2152,7 @@ void omap2_gpio_resume_after_idle(void)
                 min = 1;
         for (i = min; i < gpio_bank_count; i++) {
                 struct gpio_bank *bank = &gpio_bank[i];
-                u32 l, gen, gen0, gen1;
+                u32 l = 0, gen, gen0, gen1;
                 int j;
 
                 for (j = 0; j < hweight_long(bank->dbck_enable_mask); j++)
diff --git a/arch/arm/plat-omap/include/plat/i2c.h b/arch/arm/plat-omap/include/plat/i2c.h
index 87f6bf2ea4fa..36a0befd6168 100644
--- a/arch/arm/plat-omap/include/plat/i2c.h
+++ b/arch/arm/plat-omap/include/plat/i2c.h
@@ -18,6 +18,8 @@
  * 02110-1301 USA
  *
  */
+#ifndef __ASM__ARCH_OMAP_I2C_H
+#define __ASM__ARCH_OMAP_I2C_H
 
 #include <linux/i2c.h>
 
@@ -36,3 +38,5 @@ static inline int omap_register_i2c_bus(int bus_id, u32 clkrate,
 
 void __init omap1_i2c_mux_pins(int bus_id);
 void __init omap2_i2c_mux_pins(int bus_id);
+
+#endif /* __ASM__ARCH_OMAP_I2C_H */
diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
index 9b89ec601ee2..4f819fc261b7 100644
--- a/arch/arm/plat-omap/include/plat/mmc.h
+++ b/arch/arm/plat-omap/include/plat/mmc.h
@@ -73,10 +73,9 @@ struct omap_mmc_platform_data {
 
         struct omap_mmc_slot_data {
 
-                /* 4 wire signaling is optional, and is used for SD/SDIO/HSMMC;
-                 * 8 wire signaling is also optional, and is used with HSMMC
-                 */
-                u8 wires;
+                /* 4/8 wires and any additional host capabilities
+                 * need to OR'd all capabilities (ref. linux/mmc/host.h) */
+                u32 caps;
 
                 /*
                  * nomux means "standard" muxing is wrong on this board, and
diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h
index 2a9427c8cc48..667456228a12 100644
--- a/arch/arm/plat-omap/include/plat/usb.h
+++ b/arch/arm/plat-omap/include/plat/usb.h
@@ -105,7 +105,7 @@ static inline void omap1_usb_init(struct omap_usb_config *pdata)
 #if defined(CONFIG_ARCH_OMAP_OTG) || defined(CONFIG_ARCH_OMAP_OTG_MODULE)
 void omap2_usbfs_init(struct omap_usb_config *pdata);
 #else
-static inline omap2_usbfs_init(struct omap_usb_config *pdata)
+static inline void omap2_usbfs_init(struct omap_usb_config *pdata)
 {
 }
 #endif
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index e31496e35b0f..ecbfe398a309 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -878,7 +878,7 @@ EXPORT_SYMBOL(omap_mcbsp_free);
 void omap_mcbsp_start(unsigned int id, int tx, int rx)
 {
         struct omap_mcbsp *mcbsp;
-        int idle;
+        int enable_srg = 0;
         u16 w;
 
         if (!omap_mcbsp_check_valid_id(id)) {
@@ -893,10 +893,13 @@ void omap_mcbsp_start(unsigned int id, int tx, int rx)
         mcbsp->rx_word_length = (MCBSP_READ_CACHE(mcbsp, RCR1) >> 5) & 0x7;
         mcbsp->tx_word_length = (MCBSP_READ_CACHE(mcbsp, XCR1) >> 5) & 0x7;
 
-        idle = !((MCBSP_READ_CACHE(mcbsp, SPCR2) |
-                        MCBSP_READ_CACHE(mcbsp, SPCR1)) & 1);
+        /* Only enable SRG, if McBSP is master */
+        w = MCBSP_READ_CACHE(mcbsp, PCR0);
+        if (w & (FSXM | FSRM | CLKXM | CLKRM))
+                enable_srg = !((MCBSP_READ_CACHE(mcbsp, SPCR2) |
+                                MCBSP_READ_CACHE(mcbsp, SPCR1)) & 1);
 
-        if (idle) {
+        if (enable_srg) {
                 /* Start the sample generator */
                 w = MCBSP_READ_CACHE(mcbsp, SPCR2);
                 MCBSP_WRITE(mcbsp, SPCR2, w | (1 << 6));
@@ -919,7 +922,7 @@ void omap_mcbsp_start(unsigned int id, int tx, int rx)
          */
         udelay(500);
 
-        if (idle) {
+        if (enable_srg) {
                 /* Start frame sync */
                 w = MCBSP_READ_CACHE(mcbsp, SPCR2);
                 MCBSP_WRITE(mcbsp, SPCR2, w | (1 << 7));