blob: cdafdfc5f8274e71b0516beb7e58d25595cd0a2d [file] [log] [blame]
/* Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <linux/bootmem.h>
#include <asm/mach-types.h>
#include <asm/mach/mmc.h>
#include <mach/msm_bus_board.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/gpiomux.h>
#include "devices.h"
#include "board-8064.h"
/* APQ8064 has 4 SDCC controllers */
enum sdcc_controllers {
SDCC1,
SDCC2,
SDCC3,
SDCC4,
MAX_SDCC_CONTROLLER
};
/* All SDCC controllers require VDD/VCC voltage */
static struct msm_mmc_reg_data mmc_vdd_reg_data[MAX_SDCC_CONTROLLER] = {
/* SDCC1 : eMMC card connected */
[SDCC1] = {
.name = "sdc_vdd",
.high_vol_level = 2950000,
.low_vol_level = 2950000,
.always_on = 1,
.lpm_sup = 1,
.lpm_uA = 9000,
.hpm_uA = 200000, /* 200mA */
},
/* SDCC3 : External card slot connected */
[SDCC3] = {
.name = "sdc_vdd",
.high_vol_level = 2950000,
.low_vol_level = 2950000,
.hpm_uA = 800000, /* 800mA */
}
};
/* Only slots having eMMC card will require VCCQ voltage */
static struct msm_mmc_reg_data mmc_vccq_reg_data[1] = {
/* SDCC1 : eMMC card connected */
[SDCC1] = {
.name = "sdc_vccq",
.always_on = 1,
.high_vol_level = 1800000,
.low_vol_level = 1800000,
.hpm_uA = 200000, /* 200mA */
}
};
/* All SDCC controllers may require voting for VDD PAD voltage */
static struct msm_mmc_reg_data mmc_vddp_reg_data[MAX_SDCC_CONTROLLER] = {
/* SDCC3 : External card slot connected */
[SDCC3] = {
.name = "sdc_vddp",
.high_vol_level = 2950000,
.low_vol_level = 1850000,
.always_on = 1,
.lpm_sup = 1,
/* Max. Active current required is 16 mA */
.hpm_uA = 16000,
/*
* Sleep current required is ~300 uA. But min. vote can be
* in terms of mA (min. 1 mA). So let's vote for 2 mA
* during sleep.
*/
.lpm_uA = 2000,
}
};
static struct msm_mmc_slot_reg_data mmc_slot_vreg_data[MAX_SDCC_CONTROLLER] = {
/* SDCC1 : eMMC card connected */
[SDCC1] = {
.vdd_data = &mmc_vdd_reg_data[SDCC1],
.vccq_data = &mmc_vccq_reg_data[SDCC1],
},
/* SDCC3 : External card slot connected */
[SDCC3] = {
.vdd_data = &mmc_vdd_reg_data[SDCC3],
.vddp_data = &mmc_vddp_reg_data[SDCC3],
}
};
/* SDC1 pad data */
static struct msm_mmc_pad_drv sdc1_pad_drv_on_cfg[] = {
{TLMM_HDRV_SDC1_CLK, GPIO_CFG_16MA},
{TLMM_HDRV_SDC1_CMD, GPIO_CFG_10MA},
{TLMM_HDRV_SDC1_DATA, GPIO_CFG_10MA}
};
static struct msm_mmc_pad_drv sdc1_pad_drv_off_cfg[] = {
{TLMM_HDRV_SDC1_CLK, GPIO_CFG_2MA},
{TLMM_HDRV_SDC1_CMD, GPIO_CFG_2MA},
{TLMM_HDRV_SDC1_DATA, GPIO_CFG_2MA}
};
static struct msm_mmc_pad_pull sdc1_pad_pull_on_cfg[] = {
{TLMM_PULL_SDC1_CLK, GPIO_CFG_NO_PULL},
{TLMM_PULL_SDC1_CMD, GPIO_CFG_PULL_UP},
{TLMM_PULL_SDC1_DATA, GPIO_CFG_PULL_UP}
};
static struct msm_mmc_pad_pull sdc1_pad_pull_off_cfg[] = {
{TLMM_PULL_SDC1_CLK, GPIO_CFG_NO_PULL},
{TLMM_PULL_SDC1_CMD, GPIO_CFG_PULL_UP},
{TLMM_PULL_SDC1_DATA, GPIO_CFG_PULL_UP}
};
/* SDC3 pad data */
static struct msm_mmc_pad_drv sdc3_pad_drv_on_cfg[] = {
{TLMM_HDRV_SDC3_CLK, GPIO_CFG_8MA},
{TLMM_HDRV_SDC3_CMD, GPIO_CFG_8MA},
{TLMM_HDRV_SDC3_DATA, GPIO_CFG_8MA}
};
static struct msm_mmc_pad_drv sdc3_pad_drv_off_cfg[] = {
{TLMM_HDRV_SDC3_CLK, GPIO_CFG_2MA},
{TLMM_HDRV_SDC3_CMD, GPIO_CFG_2MA},
{TLMM_HDRV_SDC3_DATA, GPIO_CFG_2MA}
};
static struct msm_mmc_pad_pull sdc3_pad_pull_on_cfg[] = {
{TLMM_PULL_SDC3_CLK, GPIO_CFG_NO_PULL},
{TLMM_PULL_SDC3_CMD, GPIO_CFG_PULL_UP},
{TLMM_PULL_SDC3_DATA, GPIO_CFG_PULL_UP}
};
static struct msm_mmc_pad_pull sdc3_pad_pull_off_cfg[] = {
{TLMM_PULL_SDC3_CLK, GPIO_CFG_NO_PULL},
{TLMM_PULL_SDC3_CMD, GPIO_CFG_PULL_UP},
{TLMM_PULL_SDC3_DATA, GPIO_CFG_PULL_UP}
};
static struct msm_mmc_pad_pull_data mmc_pad_pull_data[MAX_SDCC_CONTROLLER] = {
[SDCC1] = {
.on = sdc1_pad_pull_on_cfg,
.off = sdc1_pad_pull_off_cfg,
.size = ARRAY_SIZE(sdc1_pad_pull_on_cfg)
},
[SDCC3] = {
.on = sdc3_pad_pull_on_cfg,
.off = sdc3_pad_pull_off_cfg,
.size = ARRAY_SIZE(sdc3_pad_pull_on_cfg)
},
};
static struct msm_mmc_pad_drv_data mmc_pad_drv_data[MAX_SDCC_CONTROLLER] = {
[SDCC1] = {
.on = sdc1_pad_drv_on_cfg,
.off = sdc1_pad_drv_off_cfg,
.size = ARRAY_SIZE(sdc1_pad_drv_on_cfg)
},
[SDCC3] = {
.on = sdc3_pad_drv_on_cfg,
.off = sdc3_pad_drv_off_cfg,
.size = ARRAY_SIZE(sdc3_pad_drv_on_cfg)
},
};
static struct msm_mmc_pad_data mmc_pad_data[MAX_SDCC_CONTROLLER] = {
[SDCC1] = {
.pull = &mmc_pad_pull_data[SDCC1],
.drv = &mmc_pad_drv_data[SDCC1]
},
[SDCC3] = {
.pull = &mmc_pad_pull_data[SDCC3],
.drv = &mmc_pad_drv_data[SDCC3]
},
};
static struct msm_mmc_pin_data mmc_slot_pin_data[MAX_SDCC_CONTROLLER] = {
[SDCC1] = {
.pad_data = &mmc_pad_data[SDCC1],
},
[SDCC3] = {
.pad_data = &mmc_pad_data[SDCC3],
},
};
#ifdef CONFIG_MMC_MSM_SDC1_SUPPORT
static unsigned int sdc1_sup_clk_rates[] = {
400000, 24000000, 48000000, 96000000
};
static struct mmc_platform_data sdc1_data = {
.ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29,
#ifdef CONFIG_MMC_MSM_SDC1_8_BIT_SUPPORT
.mmc_bus_width = MMC_CAP_8_BIT_DATA,
#else
.mmc_bus_width = MMC_CAP_4_BIT_DATA,
#endif
.sup_clk_table = sdc1_sup_clk_rates,
.sup_clk_cnt = ARRAY_SIZE(sdc1_sup_clk_rates),
.pclk_src_dfab = 1,
.nonremovable = 1,
.pin_data = &mmc_slot_pin_data[SDCC1],
.vreg_data = &mmc_slot_vreg_data[SDCC1],
};
static struct mmc_platform_data *apq8064_sdc1_pdata = &sdc1_data;
#else
static struct mmc_platform_data *apq8064_sdc1_pdata;
#endif
#ifdef CONFIG_MMC_MSM_SDC3_SUPPORT
static unsigned int sdc3_sup_clk_rates[] = {
400000, 24000000, 48000000, 96000000, 192000000
};
static struct mmc_platform_data sdc3_data = {
.ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29,
.mmc_bus_width = MMC_CAP_4_BIT_DATA,
.sup_clk_table = sdc3_sup_clk_rates,
.sup_clk_cnt = ARRAY_SIZE(sdc3_sup_clk_rates),
.pclk_src_dfab = 1,
.pin_data = &mmc_slot_pin_data[SDCC3],
.vreg_data = &mmc_slot_vreg_data[SDCC3],
.status_gpio = 26,
.status_irq = MSM_GPIO_TO_INT(26),
.irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
.is_status_gpio_active_low = 1,
.xpc_cap = 1,
.uhs_caps = (MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 |
MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_DDR50 |
MMC_CAP_UHS_SDR104 | MMC_CAP_MAX_CURRENT_800),
};
static struct mmc_platform_data *apq8064_sdc3_pdata = &sdc3_data;
#else
static struct mmc_platform_data *apq8064_sdc3_pdata;
#endif
void __init apq8064_init_mmc(void)
{
if ((machine_is_apq8064_rumi3()) || machine_is_apq8064_sim()) {
if (apq8064_sdc1_pdata) {
if (machine_is_apq8064_sim())
apq8064_sdc1_pdata->disable_bam = true;
apq8064_sdc1_pdata->disable_runtime_pm = true;
apq8064_sdc1_pdata->disable_cmd23 = true;
}
if (apq8064_sdc3_pdata) {
if (machine_is_apq8064_sim())
apq8064_sdc3_pdata->disable_bam = true;
apq8064_sdc3_pdata->disable_runtime_pm = true;
apq8064_sdc3_pdata->disable_cmd23 = true;
}
}
if (apq8064_sdc1_pdata) {
apq8064_sdc1_pdata->swfi_latency =
apq8064_rpm_get_swfi_latency();
apq8064_add_sdcc(1, apq8064_sdc1_pdata);
}
if (apq8064_sdc3_pdata) {
apq8064_sdc3_pdata->swfi_latency =
apq8064_rpm_get_swfi_latency();
apq8064_add_sdcc(3, apq8064_sdc3_pdata);
}
}