diff options
author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2013-07-08 12:04:57 -0400 |
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committer | Simon Horman <horms+renesas@verge.net.au> | 2013-07-17 01:28:31 -0400 |
commit | 69f366615e950cb0d5af89da228796af5208ad8f (patch) | |
tree | ff947de88c7a28a89ebdd20325b6c4c55373a72b /arch/arm/mach-shmobile/board-ape6evm-reference.c | |
parent | 81b9d5351fa96caad4accc6711bc1b9342927d4a (diff) |
ARM: shmobile: ape6evm: add DT reference
This patch adds a sample DT-based APE6EVM "reference" implementation. The
use of platform-specific C-code should be avoided with this configuration
as much as possible.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile/board-ape6evm-reference.c')
-rw-r--r-- | arch/arm/mach-shmobile/board-ape6evm-reference.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-ape6evm-reference.c b/arch/arm/mach-shmobile/board-ape6evm-reference.c new file mode 100644 index 000000000000..c828874947ba --- /dev/null +++ b/arch/arm/mach-shmobile/board-ape6evm-reference.c | |||
@@ -0,0 +1,71 @@ | |||
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 | |||
21 | #include <linux/gpio.h> | ||
22 | #include <linux/kernel.h> | ||
23 | #include <linux/of_platform.h> | ||
24 | #include <linux/pinctrl/machine.h> | ||
25 | #include <linux/sh_clk.h> | ||
26 | #include <mach/common.h> | ||
27 | #include <mach/r8a73a4.h> | ||
28 | #include <asm/mach-types.h> | ||
29 | #include <asm/mach/arch.h> | ||
30 | |||
31 | static const struct pinctrl_map ape6evm_pinctrl_map[] = { | ||
32 | /* SCIFA0 console */ | ||
33 | PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4", | ||
34 | "scifa0_data", "scifa0"), | ||
35 | }; | ||
36 | |||
37 | static void __init ape6evm_add_standard_devices(void) | ||
38 | { | ||
39 | |||
40 | struct clk *parent; | ||
41 | struct clk *mp; | ||
42 | |||
43 | r8a73a4_clock_init(); | ||
44 | |||
45 | /* MP clock parent = extal2 */ | ||
46 | parent = clk_get(NULL, "extal2"); | ||
47 | mp = clk_get(NULL, "mp"); | ||
48 | BUG_ON(IS_ERR(parent) || IS_ERR(mp)); | ||
49 | |||
50 | clk_set_parent(mp, parent); | ||
51 | clk_put(parent); | ||
52 | clk_put(mp); | ||
53 | |||
54 | pinctrl_register_mappings(ape6evm_pinctrl_map, | ||
55 | ARRAY_SIZE(ape6evm_pinctrl_map)); | ||
56 | r8a73a4_pinmux_init(); | ||
57 | r8a73a4_add_dt_devices(); | ||
58 | of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); | ||
59 | } | ||
60 | |||
61 | static const char *ape6evm_boards_compat_dt[] __initdata = { | ||
62 | "renesas,ape6evm-reference", | ||
63 | NULL, | ||
64 | }; | ||
65 | |||
66 | DT_MACHINE_START(APE6EVM_DT, "ape6evm") | ||
67 | .init_early = r8a73a4_init_delay, | ||
68 | .init_time = shmobile_timer_init, | ||
69 | .init_machine = ape6evm_add_standard_devices, | ||
70 | .dt_compat = ape6evm_boards_compat_dt, | ||
71 | MACHINE_END | ||