2 * APE6EVM board support
4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Copyright (C) 2013 Magnus Damm
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <linux/gpio.h>
22 #include <linux/interrupt.h>
23 #include <linux/kernel.h>
24 #include <linux/pinctrl/machine.h>
25 #include <linux/platform_device.h>
26 #include <linux/regulator/fixed.h>
27 #include <linux/regulator/machine.h>
28 #include <linux/sh_clk.h>
29 #include <linux/smsc911x.h>
30 #include <mach/common.h>
31 #include <mach/irqs.h>
32 #include <mach/r8a73a4.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
36 /* Dummy supplies, where voltage doesn't matter */
37 static struct regulator_consumer_supply dummy_supplies[] = {
38 REGULATOR_SUPPLY("vddvario", "smsc911x"),
39 REGULATOR_SUPPLY("vdd33a", "smsc911x"),
43 static const struct resource lan9220_res[] = {
44 DEFINE_RES_MEM(0x08000000, 0x1000),
46 .start = irq_pin(40), /* IRQ40 */
47 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
51 static const struct smsc911x_platform_config lan9220_data = {
52 .flags = SMSC911X_USE_32BIT,
53 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
54 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
57 static const struct pinctrl_map ape6evm_pinctrl_map[] = {
59 PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",
60 "scifa0_data", "scifa0"),
62 PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a73a4",
63 "irqc_irq40", "irqc"),
66 static void __init ape6evm_add_standard_devices(void)
74 /* MP clock parent = extal2 */
75 parent = clk_get(NULL, "extal2");
76 mp = clk_get(NULL, "mp");
77 BUG_ON(IS_ERR(parent) || IS_ERR(mp));
79 clk_set_parent(mp, parent);
83 pinctrl_register_mappings(ape6evm_pinctrl_map,
84 ARRAY_SIZE(ape6evm_pinctrl_map));
85 r8a73a4_pinmux_init();
86 r8a73a4_add_standard_devices();
88 /* LAN9220 ethernet */
89 gpio_request_one(270, GPIOF_OUT_INIT_HIGH, NULL); /* smsc9220 RESET */
91 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
93 platform_device_register_resndata(&platform_bus, "smsc911x", -1,
94 lan9220_res, ARRAY_SIZE(lan9220_res),
95 &lan9220_data, sizeof(lan9220_data));
98 static const char *ape6evm_boards_compat_dt[] __initdata = {
103 DT_MACHINE_START(APE6EVM_DT, "ape6evm")
104 .init_early = r8a73a4_init_delay,
105 .init_time = shmobile_timer_init,
106 .init_machine = ape6evm_add_standard_devices,
107 .dt_compat = ape6evm_boards_compat_dt,