Commit | Line | Data |
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78ded168 MD |
1 | /* |
2 | * APE6EVM board support | |
3 | * | |
4 | * Copyright (C) 2013 Renesas Solutions Corp. | |
5 | * Copyright (C) 2013 Magnus Damm | |
6 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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 | |
19 | */ | |
20 | ||
15351a7a | 21 | #include <linux/gpio.h> |
78ded168 MD |
22 | #include <linux/interrupt.h> |
23 | #include <linux/irqchip.h> | |
24 | #include <linux/kernel.h> | |
2c56055c | 25 | #include <linux/pinctrl/machine.h> |
78ded168 | 26 | #include <linux/platform_device.h> |
15351a7a MD |
27 | #include <linux/regulator/fixed.h> |
28 | #include <linux/regulator/machine.h> | |
b8568a04 | 29 | #include <linux/sh_clk.h> |
15351a7a | 30 | #include <linux/smsc911x.h> |
78ded168 | 31 | #include <mach/common.h> |
15351a7a | 32 | #include <mach/irqs.h> |
78ded168 MD |
33 | #include <mach/r8a73a4.h> |
34 | #include <asm/mach-types.h> | |
35 | #include <asm/mach/arch.h> | |
36 | ||
15351a7a MD |
37 | /* Dummy supplies, where voltage doesn't matter */ |
38 | static struct regulator_consumer_supply dummy_supplies[] = { | |
39 | REGULATOR_SUPPLY("vddvario", "smsc911x"), | |
40 | REGULATOR_SUPPLY("vdd33a", "smsc911x"), | |
41 | }; | |
42 | ||
43 | /* SMSC LAN9220 */ | |
44 | static const struct resource lan9220_res[] = { | |
45 | DEFINE_RES_MEM(0x08000000, 0x1000), | |
46 | { | |
47 | .start = irq_pin(40), /* IRQ40 */ | |
48 | .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH, | |
49 | }, | |
50 | }; | |
51 | ||
52 | static const struct smsc911x_platform_config lan9220_data = { | |
53 | .flags = SMSC911X_USE_32BIT, | |
54 | .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, | |
55 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH, | |
56 | }; | |
57 | ||
2c56055c MD |
58 | static const struct pinctrl_map ape6evm_pinctrl_map[] = { |
59 | /* SCIFA0 console */ | |
60 | PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4", | |
61 | "scifa0_data", "scifa0"), | |
15351a7a MD |
62 | /* SMSC */ |
63 | PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a73a4", | |
64 | "irqc_irq40", "irqc"), | |
2c56055c MD |
65 | }; |
66 | ||
78ded168 MD |
67 | static void __init ape6evm_add_standard_devices(void) |
68 | { | |
b8568a04 KM |
69 | |
70 | struct clk *parent; | |
71 | struct clk *mp; | |
72 | ||
78ded168 | 73 | r8a73a4_clock_init(); |
b8568a04 KM |
74 | |
75 | /* MP clock parent = extal2 */ | |
76 | parent = clk_get(NULL, "extal2"); | |
77 | mp = clk_get(NULL, "mp"); | |
78 | BUG_ON(IS_ERR(parent) || IS_ERR(mp)); | |
79 | ||
80 | clk_set_parent(mp, parent); | |
81 | clk_put(parent); | |
82 | clk_put(mp); | |
83 | ||
2c56055c MD |
84 | pinctrl_register_mappings(ape6evm_pinctrl_map, |
85 | ARRAY_SIZE(ape6evm_pinctrl_map)); | |
86 | r8a73a4_pinmux_init(); | |
78ded168 | 87 | r8a73a4_add_standard_devices(); |
15351a7a MD |
88 | |
89 | /* LAN9220 ethernet */ | |
90 | gpio_request_one(270, GPIOF_OUT_INIT_HIGH, NULL); /* smsc9220 RESET */ | |
91 | ||
92 | regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); | |
93 | ||
94 | platform_device_register_resndata(&platform_bus, "smsc911x", -1, | |
95 | lan9220_res, ARRAY_SIZE(lan9220_res), | |
96 | &lan9220_data, sizeof(lan9220_data)); | |
78ded168 MD |
97 | } |
98 | ||
99 | static const char *ape6evm_boards_compat_dt[] __initdata = { | |
100 | "renesas,ape6evm", | |
101 | NULL, | |
102 | }; | |
103 | ||
104 | DT_MACHINE_START(APE6EVM_DT, "ape6evm") | |
105 | .init_irq = irqchip_init, | |
106 | .init_time = shmobile_timer_init, | |
107 | .init_machine = ape6evm_add_standard_devices, | |
108 | .dt_compat = ape6evm_boards_compat_dt, | |
109 | MACHINE_END |