mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 05:45:13 +07:00
b9a30ef1d3
Update the r8a73a4 code to allow using other timers than Arch timer for clock event Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
/*
|
|
* 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/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,
|
|
};
|
|
|
|
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"),
|
|
};
|
|
|
|
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));
|
|
}
|
|
|
|
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
|