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/*
* APE6EVM board support
*
* Copyright (C) 2013 Renesas Solutions Corp.
* Copyright (C) 2013 Magnus Damm
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mfd/tmio.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mmcif.h>
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/pinctrl/machine.h>
#include <linux/platform_device.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/sh_clk.h>
#include <linux/smsc911x.h>
#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/r8a73a4.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
/* Dummy supplies, where voltage doesn't matter */
static struct regulator_consumer_supply dummy_supplies[] = {
REGULATOR_SUPPLY("vddvario", "smsc911x"),
REGULATOR_SUPPLY("vdd33a", "smsc911x"),
};
/* SMSC LAN9220 */
static const struct resource lan9220_res[] = {
DEFINE_RES_MEM(0x08000000, 0x1000),
{
.start = irq_pin(40), /* IRQ40 */
.flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
},
};
static const struct smsc911x_platform_config lan9220_data = {
.flags = SMSC911X_USE_32BIT,
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
};
/*
* On APE6EVM power is supplied to MMCIF by a tps80032 regulator. For now we
* model a VDD supply to MMCIF, using a fixed 3.3V regulator. Also use the
* static power supply for SDHI0 and SDHI1, whereas SDHI0's VccQ is also
* supplied by the same tps80032 regulator and thus can also be adjusted
* dynamically.
*/
static struct regulator_consumer_supply fixed3v3_power_consumers[] =
{
REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
};
/* MMCIF */
static struct sh_mmcif_plat_data mmcif0_pdata = {
.caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
};
static struct resource mmcif0_resources[] = {
DEFINE_RES_MEM_NAMED(0xee200000, 0x100, "MMCIF0"),
DEFINE_RES_IRQ(gic_spi(169)),
};
/* SDHI0 */
static struct sh_mobile_sdhi_info sdhi0_pdata = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
.tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
};
static struct resource sdhi0_resources[] = {
DEFINE_RES_MEM_NAMED(0xee100000, 0x100, "SDHI0"),
DEFINE_RES_IRQ(gic_spi(165)),
};
/* SDHI1 */
static struct sh_mobile_sdhi_info sdhi1_pdata = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_WRPROTECT_DISABLE,
.tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
MMC_CAP_NEEDS_POLL,
};
static struct resource sdhi1_resources[] = {
DEFINE_RES_MEM_NAMED(0xee120000, 0x100, "SDHI1"),
DEFINE_RES_IRQ(gic_spi(166)),
};
static const struct pinctrl_map ape6evm_pinctrl_map[] = {
/* SCIFA0 console */
PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",
"scifa0_data", "scifa0"),
/* SMSC */
PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a73a4",
"irqc_irq40", "irqc"),
/* MMCIF0 */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
"mmc0_data8", "mmc0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
"mmc0_ctrl", "mmc0"),
/* SDHI0: uSD: no WP */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
"sdhi0_data4", "sdhi0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
"sdhi0_ctrl", "sdhi0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a73a4",
"sdhi0_cd", "sdhi0"),
/* SDHI1 */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
"sdhi1_data4", "sdhi1"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a73a4",
"sdhi1_ctrl", "sdhi1"),
};
static void __init ape6evm_add_standard_devices(void)
{
struct clk *parent;
struct clk *mp;
r8a73a4_clock_init();
/* MP clock parent = extal2 */
parent = clk_get(NULL, "extal2");
mp = clk_get(NULL, "mp");
BUG_ON(IS_ERR(parent) || IS_ERR(mp));
clk_set_parent(mp, parent);
clk_put(parent);
clk_put(mp);
pinctrl_register_mappings(ape6evm_pinctrl_map,
ARRAY_SIZE(ape6evm_pinctrl_map));
r8a73a4_pinmux_init();
r8a73a4_add_standard_devices();
/* LAN9220 ethernet */
gpio_request_one(270, GPIOF_OUT_INIT_HIGH, NULL); /* smsc9220 RESET */
regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
platform_device_register_resndata(&platform_bus, "smsc911x", -1,
lan9220_res, ARRAY_SIZE(lan9220_res),
&lan9220_data, sizeof(lan9220_data));
regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers,
ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
platform_device_register_resndata(&platform_bus, "sh_mmcif", 0,
mmcif0_resources, ARRAY_SIZE(mmcif0_resources),
&mmcif0_pdata, sizeof(mmcif0_pdata));
platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 0,
sdhi0_resources, ARRAY_SIZE(sdhi0_resources),
&sdhi0_pdata, sizeof(sdhi0_pdata));
platform_device_register_resndata(&platform_bus, "sh_mobile_sdhi", 1,
sdhi1_resources, ARRAY_SIZE(sdhi1_resources),
&sdhi1_pdata, sizeof(sdhi1_pdata));
}
static const char *ape6evm_boards_compat_dt[] __initdata = {
"renesas,ape6evm",
NULL,
};
DT_MACHINE_START(APE6EVM_DT, "ape6evm")
.init_early = r8a73a4_init_delay,
.init_time = shmobile_timer_init,
.init_machine = ape6evm_add_standard_devices,
.dt_compat = ape6evm_boards_compat_dt,
MACHINE_END
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