ARM: OMAP3LOGIC: Adding SDMMC support
Add low-level initialization for hsmmc controller for LogicPD's OMAP 3530 LV SOM and OMAP 35x Torpedo board. Signed-off-by: Tim Nordell <tim.nordell@logicpd.com> [tony@atomide.com: updated for the recent mmc platform init changes] Signed-off-by: Tony Lindgren <tony@atomide.com>
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@ -26,6 +26,7 @@
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#include <linux/regulator/machine.h>
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#include <linux/i2c/twl.h>
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#include <linux/mmc/host.h>
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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@ -33,6 +34,7 @@
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#include <asm/mach/map.h>
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#include "mux.h"
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#include "hsmmc.h"
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#include <plat/mux.h>
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#include <plat/board.h>
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@ -87,6 +89,7 @@ static struct twl4030_platform_data omap3logic_twldata = {
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/* platform_data for children goes here */
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.gpio = &omap3logic_gpio_data,
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.vmmc1 = &omap3logic_vmmc1,
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};
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static struct i2c_board_info __initdata omap3logic_i2c_boardinfo[] = {
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@ -105,6 +108,40 @@ static int __init omap3logic_i2c_init(void)
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return 0;
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}
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static struct omap2_hsmmc_info __initdata board_mmc_info[] = {
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{
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.name = "external",
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.mmc = 1,
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.caps = MMC_CAP_4_BIT_DATA,
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.gpio_cd = -EINVAL,
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.gpio_wp = -EINVAL,
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},
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{} /* Terminator */
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};
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static void __init board_mmc_init(void)
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{
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if (machine_is_omap3530_lv_som()) {
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/* OMAP3530 LV SOM board */
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board_mmc_info[0].gpio_cd = OMAP3530_LV_SOM_MMC_GPIO_CD;
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board_mmc_info[0].gpio_wp = OMAP3530_LV_SOM_MMC_GPIO_WP;
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omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT);
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omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT);
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} else if (machine_is_omap3_torpedo()) {
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/* OMAP3 Torpedo board */
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board_mmc_info[0].gpio_cd = OMAP3_TORPEDO_MMC_GPIO_CD;
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omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT);
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} else {
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/* unsupported board */
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printk(KERN_ERR "%s(): unknown machine type\n", __func__);
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return;
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}
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omap2_hsmmc_init(board_mmc_info);
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/* link regulators to MMC adapters */
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omap3logic_vmmc1_supply.dev = board_mmc_info[0].dev;
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}
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static void __init omap3logic_init_irq(void)
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{
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omap2_init_common_hw(NULL, NULL);
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@ -116,7 +153,7 @@ static void __init omap3logic_init(void)
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{
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omap3logic_i2c_init();
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omap_serial_init();
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board_mmc_init();
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/* Ensure SDRC pins are mux'd for self-refresh */
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omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
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omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
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