1 files changed, 86 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-dt-sama5.c b/arch/arm/mach-at91/board-dt-sama5.c
new file mode 100644
index 000000000000..705305e62bbc
--- /dev/null
+++ b/arch/arm/mach-at91/board-dt-sama5.c
@@ -0,0 +1,86 @@
+/*
+ *  Setup code for SAMA5 Evaluation Kits with Device Tree support
+ *
+ *  Copyright (C) 2013 Atmel,
+ *                2013 Ludovic Desroches <ludovic.desroches@atmel.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/gpio.h>
+#include <linux/micrel_phy.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/phy.h>
+
+#include <asm/setup.h>
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include "at91_aic.h"
+#include "generic.h"
+
+
+static const struct of_device_id irq_of_match[] __initconst = {
+
+	{ .compatible = "atmel,sama5d3-aic", .data = at91_aic5_of_init },
+	{ /*sentinel*/ }
+};
+
+static void __init at91_dt_init_irq(void)
+{
+	of_irq_init(irq_of_match);
+}
+
+static int ksz9021rn_phy_fixup(struct phy_device *phy)
+{
+	int value;
+
+#define GMII_RCCPSR	260
+#define GMII_RRDPSR	261
+#define GMII_ERCR	11
+#define GMII_ERDWR	12
+
+	/* Set delay values */
+	value = GMII_RCCPSR | 0x8000;
+	phy_write(phy, GMII_ERCR, value);
+	value = 0xF2F4;
+	phy_write(phy, GMII_ERDWR, value);
+	value = GMII_RRDPSR | 0x8000;
+	phy_write(phy, GMII_ERCR, value);
+	value = 0x2222;
+	phy_write(phy, GMII_ERDWR, value);
+
+	return 0;
+}
+
+static void __init sama5_dt_device_init(void)
+{
+	if (of_machine_is_compatible("atmel,sama5d3xcm"))
+		phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK,
+			ksz9021rn_phy_fixup);
+
+	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+}
+
+static const char *sama5_dt_board_compat[] __initdata = {
+	"atmel,sama5",
+	NULL
+};
+
+DT_MACHINE_START(sama5_dt, "Atmel SAMA5 (Device Tree)")
+	/* Maintainer: Atmel */
+	.init_time	= at91sam926x_pit_init,
+	.map_io		= at91_map_io,
+	.handle_irq	= at91_aic5_handle_irq,
+	.init_early	= at91_dt_initialize,
+	.init_irq	= at91_dt_init_irq,
+	.init_machine	= sama5_dt_device_init,
+	.dt_compat	= sama5_dt_board_compat,
+MACHINE_END