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-rw-r--r--arch/arm/mach-shmobile/board-lager-reference.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-lager-reference.c b/arch/arm/mach-shmobile/board-lager-reference.c
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+++ b/arch/arm/mach-shmobile/board-lager-reference.c
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+/*
+ * Lager board support - Reference DT implementation
+ *
+ * Copyright (C) 2013 Renesas Solutions Corp.
+ * Copyright (C) 2013 Simon Horman
+ *
+ * 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/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <linux/platform_data/rcar-du.h>
+#include <mach/clock.h>
+#include <mach/common.h>
+#include <mach/irqs.h>
+#include <mach/rcar-gen2.h>
+#include <mach/r8a7790.h>
+#include <asm/mach/arch.h>
+
+/* DU */
+static struct rcar_du_encoder_data lager_du_encoders[] = {
+ {
+ .type = RCAR_DU_ENCODER_VGA,
+ .output = RCAR_DU_OUTPUT_DPAD0,
+ }, {
+ .type = RCAR_DU_ENCODER_NONE,
+ .output = RCAR_DU_OUTPUT_LVDS1,
+ .connector.lvds.panel = {
+ .width_mm = 210,
+ .height_mm = 158,
+ .mode = {
+ .clock = 65000,
+ .hdisplay = 1024,
+ .hsync_start = 1048,
+ .hsync_end = 1184,
+ .htotal = 1344,
+ .vdisplay = 768,
+ .vsync_start = 771,
+ .vsync_end = 777,
+ .vtotal = 806,
+ .flags = 0,
+ },
+ },
+ },
+};
+
+static struct rcar_du_platform_data lager_du_pdata = {
+ .encoders = lager_du_encoders,
+ .num_encoders = ARRAY_SIZE(lager_du_encoders),
+};
+
+static const struct resource du_resources[] __initconst = {
+ DEFINE_RES_MEM(0xfeb00000, 0x70000),
+ DEFINE_RES_MEM_NAMED(0xfeb90000, 0x1c, "lvds.0"),
+ DEFINE_RES_MEM_NAMED(0xfeb94000, 0x1c, "lvds.1"),
+ DEFINE_RES_IRQ(gic_spi(256)),
+ DEFINE_RES_IRQ(gic_spi(268)),
+ DEFINE_RES_IRQ(gic_spi(269)),
+};
+
+static void __init lager_add_du_device(void)
+{
+ struct platform_device_info info = {
+ .name = "rcar-du-r8a7790",
+ .id = -1,
+ .res = du_resources,
+ .num_res = ARRAY_SIZE(du_resources),
+ .data = &lager_du_pdata,
+ .size_data = sizeof(lager_du_pdata),
+ .dma_mask = DMA_BIT_MASK(32),
+ };
+
+ platform_device_register_full(&info);
+}
+
+/*
+ * This is a really crude hack to provide clkdev support to platform
+ * devices until they get moved to DT.
+ */
+static const struct clk_name clk_names[] __initconst = {
+ { "cmt0", "fck", "sh-cmt-48-gen2.0" },
+ { "du0", "du.0", "rcar-du-r8a7790" },
+ { "du1", "du.1", "rcar-du-r8a7790" },
+ { "du2", "du.2", "rcar-du-r8a7790" },
+ { "lvds0", "lvds.0", "rcar-du-r8a7790" },
+ { "lvds1", "lvds.1", "rcar-du-r8a7790" },
+};
+
+/*
+ * This is a really crude hack to work around core platform clock issues
+ */
+static const struct clk_name clk_enables[] __initconst = {
+ { "ether", NULL, "ee700000.ethernet" },
+ { "msiof1", NULL, "e6e10000.spi" },
+ { "mmcif1", NULL, "ee220000.mmc" },
+ { "qspi_mod", NULL, "e6b10000.spi" },
+ { "sdhi0", NULL, "ee100000.sd" },
+ { "sdhi2", NULL, "ee140000.sd" },
+ { "thermal", NULL, "e61f0000.thermal" },
+};
+
+static void __init lager_add_standard_devices(void)
+{
+ shmobile_clk_workaround(clk_names, ARRAY_SIZE(clk_names), false);
+ shmobile_clk_workaround(clk_enables, ARRAY_SIZE(clk_enables), true);
+ r8a7790_add_dt_devices();
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+
+ lager_add_du_device();
+}
+
+static const char *lager_boards_compat_dt[] __initdata = {
+ "renesas,lager",
+ "renesas,lager-reference",
+ NULL,
+};
+
+DT_MACHINE_START(LAGER_DT, "lager")
+ .smp = smp_ops(r8a7790_smp_ops),
+ .init_early = r8a7790_init_early,
+ .init_time = rcar_gen2_timer_init,
+ .init_machine = lager_add_standard_devices,
+ .init_late = shmobile_init_late,
+ .dt_compat = lager_boards_compat_dt,
+MACHINE_END