arch/arm/mach-msm/board-apq8064.c

/* Copyright (c) 2011, 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/kernel.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/i2c.h>
#include <linux/slimbus/slimbus.h>
#include <linux/msm_ssbi.h>
#include <linux/spi/spi.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/hardware/gic.h>
#include <asm/mach/mmc.h>

#include <mach/board.h>
#include <mach/msm_iomap.h>
#include <linux/usb/msm_hsusb.h>
#include <linux/usb/android.h>
#include <mach/socinfo.h>
#include <mach/msm_spi.h>
#include "timer.h"
#include "devices.h"
#include <mach/gpio.h>
#include <mach/gpiomux.h>

#include "board-apq8064.h"

/* APQ8064 have 4 SDCC controllers */
enum sdcc_controllers {
	SDCC1,
	SDCC2,
	SDCC3,
	SDCC4,
	MAX_SDCC_CONTROLLER
};

/* All SDCC controllers requires VDD/VCC voltage */
static struct msm_mmc_reg_data mmc_vdd_reg_data[MAX_SDCC_CONTROLLER] = {
	/* SDCC1 : eMMC card connected */
	[SDCC1] = {
		.name = "sdc_vdd",
		.set_voltage_sup = 1,
		.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",
		.set_voltage_sup = 1,
		.high_vol_level = 2950000,
		.low_vol_level = 2950000,
		.hpm_uA = 600000, /* 600mA */
	}
};

/* 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",
		.set_voltage_sup = 1,
		.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",
		.set_voltage_sup = 1,
		.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_DOWN},
	{TLMM_PULL_SDC1_DATA, GPIO_CFG_PULL_DOWN}
};

/* 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_DOWN},
	{TLMM_PULL_SDC3_DATA, GPIO_CFG_PULL_DOWN}
};

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),
	.pin_data	= &mmc_slot_pin_data[SDCC1],
	.vreg_data	= &mmc_slot_vreg_data[SDCC1],
	.sdcc_v4_sup	= true,
};
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
};

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),
	.pin_data	= &mmc_slot_pin_data[SDCC3],
	.vreg_data	= &mmc_slot_vreg_data[SDCC3],
	.sdcc_v4_sup	= true,
};
static struct mmc_platform_data *apq8064_sdc3_pdata = &sdc3_data;
#else
static struct mmc_platform_data *apq8064_sdc3_pdata;
#endif

static void __init apq8064_init_mmc(void)
{
	if ((machine_is_apq8064_rumi3()) || machine_is_apq8064_sim()) {
		if (apq8064_sdc1_pdata) {
			apq8064_sdc1_pdata->disable_bam = true;
			apq8064_sdc1_pdata->disable_runtime_pm = true;
			apq8064_sdc1_pdata->disable_cmd23 = true;
		}
		if (apq8064_sdc3_pdata) {
			apq8064_sdc3_pdata->disable_bam = true;
			apq8064_sdc3_pdata->disable_runtime_pm = true;
			apq8064_sdc3_pdata->disable_cmd23 = true;
		}
	}
	apq8064_add_sdcc(1, apq8064_sdc1_pdata);
	apq8064_add_sdcc(3, apq8064_sdc3_pdata);
}

static void __init apq8064_map_io(void)
{
	msm_map_apq8064_io();
	if (socinfo_init() < 0)
		pr_err("socinfo_init() failed!\n");
}

static void __init apq8064_init_irq(void)
{
	unsigned int i;
	gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE,
						(void *)MSM_QGIC_CPU_BASE);

	/* Edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */
	writel_relaxed(0xFFFFD7FF, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4);

	writel_relaxed(0x0000FFFF, MSM_QGIC_DIST_BASE + GIC_DIST_ENABLE_SET);
	mb();

	/*
	 * FIXME: Not installing AVS_SVICINT and AVS_SVICINTSWDONE yet
	 * as they are configured as level, which does not play nice with
	 * handle_percpu_irq.
	 */
	for (i = GIC_PPI_START; i < GIC_SPI_START; i++) {
		if (i != AVS_SVICINT && i != AVS_SVICINTSWDONE)
			irq_set_handler(i, handle_percpu_irq);
	}
}

static struct platform_device *common_devices[] __initdata = {
	&apq8064_device_qup_i2c_gsbi4,
	&apq8064_device_qup_spi_gsbi5,
	&apq8064_slim_ctrl,
	&apq8064_device_ssbi_pmic1,
	&apq8064_device_ssbi_pmic2,
};

static struct platform_device *sim_devices[] __initdata = {
	&apq8064_device_dmov,
	&apq8064_device_uart_gsbi3,
	&msm_device_sps_apq8064,
};

static struct platform_device *rumi3_devices[] __initdata = {
	&apq8064_device_uart_gsbi1,
};

static struct msm_spi_platform_data apq8064_qup_spi_gsbi5_pdata = {
	.max_clock_speed = 26000000,
};

static struct msm_otg_platform_data msm_otg_pdata = {
	.mode			= USB_PERIPHERAL,
	.otg_control		= OTG_PHY_CONTROL,
	.phy_type		= SNPS_28NM_INTEGRATED_PHY,
	.pclk_src_name		= "dfab_usb_hs_clk",
};

#define KS8851_IRQ_GPIO		43

static struct spi_board_info spi_board_info[] __initdata = {
	{
		.modalias               = "ks8851",
		.irq                    = MSM_GPIO_TO_INT(KS8851_IRQ_GPIO),
		.max_speed_hz           = 19200000,
		.bus_num                = 0,
		.chip_select            = 2,
		.mode                   = SPI_MODE_0,
	},
};

#ifdef CONFIG_KS8851
static struct gpiomux_setting gpio_eth_config = {
	.pull = GPIOMUX_PULL_NONE,
	.drv = GPIOMUX_DRV_8MA,
	.func = GPIOMUX_FUNC_GPIO,
};

/* The SPI configurations apply to GSBI 5*/
static struct gpiomux_setting gpio_spi_config = {
	.func = GPIOMUX_FUNC_2,
	.drv = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_NONE,
};

/* The SPI configurations apply to GSBI 5 chip select 2*/
static struct gpiomux_setting gpio_spi_cs2_config = {
	.func = GPIOMUX_FUNC_3,
	.drv = GPIOMUX_DRV_8MA,
	.pull = GPIOMUX_PULL_NONE,
};
#endif

struct msm_gpiomux_config apq8064_ethernet_configs[NR_GPIO_IRQS] = {
#ifdef CONFIG_KS8851
	{
		.gpio = KS8851_IRQ_GPIO,
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_eth_config,
			[GPIOMUX_ACTIVE] = &gpio_eth_config,
		}
	},
#endif
};

static struct msm_gpiomux_config apq8064_gsbi_configs[] __initdata = {
#ifdef CONFIG_KS8851
	{
		.gpio      = 51,		/* GSBI5 QUP SPI_DATA_MOSI */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
		},
	},
	{
		.gpio      = 52,		/* GSBI5 QUP SPI_DATA_MISO */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
		},
	},
	{
		.gpio      = 31,		/* GSBI5 QUP SPI_CS2_N */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_spi_cs2_config,
		},
	},
	{
		.gpio      = 54,		/* GSBI5 QUP SPI_CLK */
		.settings = {
			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
		},
	},
#endif
};

static struct pm8xxx_mpp_platform_data
apq8064_pm8921_mpp_pdata __devinitdata = {
	.mpp_base	= PM8921_MPP_PM_TO_SYS(1),
};

static struct pm8xxx_gpio_platform_data
apq8064_pm8921_gpio_pdata __devinitdata = {
	.gpio_base	= PM8921_GPIO_PM_TO_SYS(1),
};

static struct pm8xxx_irq_platform_data
apq8064_pm8921_irq_pdata __devinitdata = {
	.irq_base		= PM8921_IRQ_BASE,
	.devirq			= PM8921_USR_IRQ_N,
	.irq_trigger_flag	= IRQF_TRIGGER_HIGH,
	.dev_id			= 0,
};

static struct pm8921_platform_data
apq8064_pm8921_platform_data __devinitdata = {
	.regulator_pdatas	= msm8064_pm8921_regulator_pdata,
	.irq_pdata		= &apq8064_pm8921_irq_pdata,
	.gpio_pdata		= &apq8064_pm8921_gpio_pdata,
	.mpp_pdata		= &apq8064_pm8921_mpp_pdata,
};

static struct pm8xxx_irq_platform_data
apq8064_pm8821_irq_pdata __devinitdata = {
	.irq_base		= PM8821_IRQ_BASE,
	.devirq			= PM8821_USR_IRQ_N,
	.irq_trigger_flag	= IRQF_TRIGGER_HIGH,
	.dev_id			= 1,
};

static struct pm8xxx_mpp_platform_data
apq8064_pm8821_mpp_pdata __devinitdata = {
	.mpp_base	= PM8821_MPP_PM_TO_SYS(1),
};

static struct pm8821_platform_data
apq8064_pm8821_platform_data __devinitdata = {
	.irq_pdata	= &apq8064_pm8821_irq_pdata,
	.mpp_pdata	= &apq8064_pm8821_mpp_pdata,
};

static struct msm_ssbi_platform_data apq8064_ssbi_pm8921_pdata __devinitdata = {
	.controller_type = MSM_SBI_CTRL_PMIC_ARBITER,
	.slave	= {
		.name		= "pm8921-core",
		.platform_data	= &apq8064_pm8921_platform_data,
	},
};

static struct msm_ssbi_platform_data apq8064_ssbi_pm8821_pdata __devinitdata = {
	.controller_type = MSM_SBI_CTRL_PMIC_ARBITER,
	.slave	= {
		.name		= "pm8821-core",
		.platform_data	= &apq8064_pm8821_platform_data,
	},
};

static struct slim_boardinfo apq8064_slim_devices[] = {
	/* Add slimbus slaves as needed */
};

static struct msm_i2c_platform_data apq8064_i2c_qup_gsbi4_pdata = {
	.clk_freq = 100000,
	.src_clk_rate = 24000000,
};

static void __init apq8064_i2c_init(void)
{
	apq8064_device_qup_i2c_gsbi4.dev.platform_data =
					&apq8064_i2c_qup_gsbi4_pdata;
}

static int __init gpiomux_init(void)
{
	int rc;

	rc = msm_gpiomux_init(NR_GPIO_IRQS);
	if (rc) {
		pr_err(KERN_ERR "msm_gpiomux_init failed %d\n", rc);
		return rc;
	}
	msm_gpiomux_install(apq8064_ethernet_configs,
			ARRAY_SIZE(apq8064_ethernet_configs));

	msm_gpiomux_install(apq8064_gsbi_configs,
			ARRAY_SIZE(apq8064_gsbi_configs));
	return 0;
}

#ifdef CONFIG_KS8851
static int ethernet_init(void)
{
	int ret;
	ret = gpio_request(KS8851_IRQ_GPIO, "ks8851_irq");
	if (ret) {
		pr_err("ks8851 gpio_request failed: %d\n", ret);
		goto fail;
	}

	return 0;
fail:
	return ret;
}
#else
static int ethernet_init(void)
{
	return 0;
}
#endif

static void __init apq8064_clock_init(void)
{
	if (machine_is_apq8064_sim())
		msm_clock_init(&apq8064_clock_init_data);
	else
		msm_clock_init(&apq8064_dummy_clock_init_data);
}

static void __init apq8064_common_init(void)
{
	if (socinfo_init() < 0)
		pr_err("socinfo_init() failed!\n");
	apq8064_clock_init();
	gpiomux_init();
	apq8064_i2c_init();

	apq8064_device_qup_spi_gsbi5.dev.platform_data =
						&apq8064_qup_spi_gsbi5_pdata;
	apq8064_device_ssbi_pmic1.dev.platform_data =
						&apq8064_ssbi_pm8921_pdata;
	apq8064_device_ssbi_pmic2.dev.platform_data =
				&apq8064_ssbi_pm8821_pdata;
	apq8064_device_otg.dev.platform_data = &msm_otg_pdata;
	apq8064_device_gadget_peripheral.dev.parent = &apq8064_device_otg.dev;
	apq8064_pm8921_platform_data.num_regulators =
					msm8064_pm8921_regulator_pdata_len;
	platform_add_devices(common_devices, ARRAY_SIZE(common_devices));
	apq8064_init_mmc();
	slim_register_board_info(apq8064_slim_devices,
		ARRAY_SIZE(apq8064_slim_devices));
}

static void __init apq8064_sim_init(void)
{
	apq8064_common_init();
	platform_add_devices(sim_devices, ARRAY_SIZE(sim_devices));
}

static void __init apq8064_rumi3_init(void)
{
	apq8064_pm8921_irq_pdata.devirq = 0;
	apq8064_pm8821_irq_pdata.devirq = 0;
	apq8064_common_init();
	ethernet_init();
	platform_add_devices(rumi3_devices, ARRAY_SIZE(rumi3_devices));
	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
}

MACHINE_START(APQ8064_SIM, "QCT APQ8064 SIMULATOR")
	.map_io = apq8064_map_io,
	.init_irq = apq8064_init_irq,
	.timer = &msm_timer,
	.init_machine = apq8064_sim_init,
MACHINE_END

MACHINE_START(APQ8064_RUMI3, "QCT APQ8064 RUMI3")
	.map_io = apq8064_map_io,
	.init_irq = apq8064_init_irq,
	.timer = &msm_timer,
	.init_machine = apq8064_rumi3_init,
MACHINE_END