1 files changed, 51 insertions, 12 deletions

diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index acafdbc8aa16..4377a4cf36eb 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -34,7 +34,7 @@
 #include <plat/gpmc-smc91x.h>
 
 #include "mux.h"
-#include "mmc-twl4030.h"
+#include "hsmmc.h"
 
 #define SYSTEM_REV_B_USES_VAUX3 0x1699
 #define SYSTEM_REV_S_USES_VAUX3 0x8
@@ -209,7 +209,47 @@ static struct twl4030_madc_platform_data rx51_madc_data = {
         .irq_line               = 1,
 };
 
-static struct twl4030_hsmmc_info mmc[] = {
+/* Enable input logic and pull all lines up when eMMC is on. */
+static struct omap_board_mux rx51_mmc2_on_mux[] = {
+        OMAP3_MUX(SDMMC2_CMD, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT0, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT1, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT2, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT3, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT4, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT5, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT6, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT7, OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
+        { .reg_offset = OMAP_MUX_TERMINATOR },
+};
+
+/* Disable input logic and pull all lines down when eMMC is off. */
+static struct omap_board_mux rx51_mmc2_off_mux[] = {
+        OMAP3_MUX(SDMMC2_CMD, OMAP_PULL_ENA | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT0, OMAP_PULL_ENA | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT1, OMAP_PULL_ENA | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT2, OMAP_PULL_ENA | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT3, OMAP_PULL_ENA | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT4, OMAP_PULL_ENA | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT5, OMAP_PULL_ENA | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT6, OMAP_PULL_ENA | OMAP_MUX_MODE0),
+        OMAP3_MUX(SDMMC2_DAT7, OMAP_PULL_ENA | OMAP_MUX_MODE0),
+        { .reg_offset = OMAP_MUX_TERMINATOR },
+};
+
+/*
+ * Current flows to eMMC when eMMC is off and the data lines are pulled up,
+ * so pull them down. N.B. we pull 8 lines because we are using 8 lines.
+ */
+static void rx51_mmc2_remux(struct device *dev, int slot, int power_on)
+{
+        if (power_on)
+                omap_mux_write_array(rx51_mmc2_on_mux);
+        else
+                omap_mux_write_array(rx51_mmc2_off_mux);
+}
+
+static struct omap2_hsmmc_info mmc[] __initdata = {
         {
                 .name           = "external",
                 .mmc            = 1,
@@ -222,25 +262,29 @@ static struct twl4030_hsmmc_info mmc[] = {
         {
                 .name           = "internal",
                 .mmc            = 2,
-                .wires          = 8,
+                .wires          = 8, /* See also rx51_mmc2_remux */
                 .gpio_cd        = -EINVAL,
                 .gpio_wp        = -EINVAL,
                 .nonremovable   = true,
                 .power_saving   = true,
+                .remux          = rx51_mmc2_remux,
         },
         {}      /* Terminator */
 };
 
 static struct regulator_consumer_supply rx51_vmmc1_supply = {
-        .supply                 = "vmmc",
+        .supply   = "vmmc",
+        .dev_name = "mmci-omap-hs.0",
 };
 
 static struct regulator_consumer_supply rx51_vmmc2_supply = {
-        .supply                 = "vmmc",
+        .supply   = "vmmc",
+        .dev_name = "mmci-omap-hs.1",
 };
 
 static struct regulator_consumer_supply rx51_vsim_supply = {
-        .supply                 = "vmmc_aux",
+        .supply   = "vmmc_aux",
+        .dev_name = "mmci-omap-hs.1",
 };
 
 static struct regulator_init_data rx51_vaux1 = {
@@ -375,12 +419,6 @@ static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
         gpio_request(gpio + 7, "speaker_en");
         gpio_direction_output(gpio + 7, 1);
 
-        /* set up MMC adapters, linking their regulators to them */
-        twl4030_mmc_init(mmc);
-        rx51_vmmc1_supply.dev = mmc[0].dev;
-        rx51_vmmc2_supply.dev = mmc[1].dev;
-        rx51_vsim_supply.dev = mmc[1].dev;
-
         return 0;
 }
 
@@ -751,5 +789,6 @@ void __init rx51_peripherals_init(void)
         rx51_init_wl1251();
         spi_register_board_info(rx51_peripherals_spi_board_info,
                                 ARRAY_SIZE(rx51_peripherals_spi_board_info));
+        omap2_hsmmc_init(mmc);
 }