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>
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 0000000..c828874
--- /dev/null
+++ b/arch/arm/mach-shmobile/board-ape6evm-reference.c
@@ -0,0 +1,71 @@
+/*
+ * 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