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ARM: shmobile: ape6evm: add DT reference

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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>
This commit is contained in:
Guennadi Liakhovetski
2013-07-08 18:04:57 +02:00
committed by Simon Horman
parent 81b9d5351f
commit 69f366615e
8 changed files with 126 additions and 2 deletions
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71
arch/arm/mach-shmobile/board-ape6evm-reference.c Normal file
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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/kernel.h>
#include <linux/of_platform.h>
#include <linux/pinctrl/machine.h>
#include <linux/sh_clk.h>
#include <mach/common.h>
#include <mach/r8a73a4.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
static const struct pinctrl_map ape6evm_pinctrl_map[] = {
/* SCIFA0 console */
PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",
"scifa0_data", "scifa0"),
};
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_dt_devices();
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
static const char *ape6evm_boards_compat_dt[] __initdata = {
"renesas,ape6evm-reference",
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