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-rw-r--r--arch/arm/boot/dts/emev2.dtsi63
-rw-r--r--arch/arm/mach-shmobile/clock-emev2.c5
-rw-r--r--arch/arm/mach-shmobile/setup-emev2.c47
3 files changed, 114 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/emev2.dtsi b/arch/arm/boot/dts/emev2.dtsi
new file mode 100644
index 000000000000..eb504a6c0f4a
--- /dev/null
+++ b/arch/arm/boot/dts/emev2.dtsi
@@ -0,0 +1,63 @@
+/*
+ * Device Tree Source for the EMEV2 SoC
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+ compatible = "renesas,emev2";
+ interrupt-parent = <&gic>;
+
+ cpus {
+ cpu@0 {
+ compatible = "arm,cortex-a9";
+ };
+ cpu@1 {
+ compatible = "arm,cortex-a9";
+ };
+ };
+
+ gic: interrupt-controller@e0020000 {
+ compatible = "arm,cortex-a9-gic";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ reg = <0xe0028000 0x1000>,
+ <0xe0020000 0x0100>;
+ };
+
+ sti@e0180000 {
+ compatible = "renesas,em-sti";
+ reg = <0xe0180000 0x54>;
+ interrupts = <0 125 0>;
+ };
+
+ uart@e1020000 {
+ compatible = "renesas,em-uart";
+ reg = <0xe1020000 0x38>;
+ interrupts = <0 8 0>;
+ };
+
+ uart@e1030000 {
+ compatible = "renesas,em-uart";
+ reg = <0xe1030000 0x38>;
+ interrupts = <0 9 0>;
+ };
+
+ uart@e1040000 {
+ compatible = "renesas,em-uart";
+ reg = <0xe1040000 0x38>;
+ interrupts = <0 10 0>;
+ };
+
+ uart@e1050000 {
+ compatible = "renesas,em-uart";
+ reg = <0xe1050000 0x38>;
+ interrupts = <0 11 0>;
+ };
+};
diff --git a/arch/arm/mach-shmobile/clock-emev2.c b/arch/arm/mach-shmobile/clock-emev2.c
index 5bc97de4a1ed..4710f1847bb7 100644
--- a/arch/arm/mach-shmobile/clock-emev2.c
+++ b/arch/arm/mach-shmobile/clock-emev2.c
@@ -191,10 +191,15 @@ static int __init emev2_sclkdiv_register(struct clk *clks, int nr)
static struct clk_lookup lookups[] = {
CLKDEV_DEV_ID("serial8250-em.0", &gclk_clks[GCLK_USIAU0_SCLK]),
+ CLKDEV_DEV_ID("e1020000.uart", &gclk_clks[GCLK_USIAU0_SCLK]),
CLKDEV_DEV_ID("serial8250-em.1", &gclk_clks[GCLK_USIBU1_SCLK]),
+ CLKDEV_DEV_ID("e1030000.uart", &gclk_clks[GCLK_USIBU1_SCLK]),
CLKDEV_DEV_ID("serial8250-em.2", &gclk_clks[GCLK_USIBU2_SCLK]),
+ CLKDEV_DEV_ID("e1040000.uart", &gclk_clks[GCLK_USIBU2_SCLK]),
CLKDEV_DEV_ID("serial8250-em.3", &gclk_clks[GCLK_USIBU3_SCLK]),
+ CLKDEV_DEV_ID("e1050000.uart", &gclk_clks[GCLK_USIBU3_SCLK]),
CLKDEV_DEV_ID("em_sti.0", &gclk_clks[GCLK_STI_SCLK]),
+ CLKDEV_DEV_ID("e0180000.sti", &gclk_clks[GCLK_STI_SCLK]),
};
void __init emev2_clock_init(void)
diff --git a/arch/arm/mach-shmobile/setup-emev2.c b/arch/arm/mach-shmobile/setup-emev2.c
index d40fede8c9b3..dae9aa68bb09 100644
--- a/arch/arm/mach-shmobile/setup-emev2.c
+++ b/arch/arm/mach-shmobile/setup-emev2.c
@@ -22,9 +22,11 @@
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/platform_data/gpio-em.h>
+#include <linux/of_platform.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/io.h>
+#include <linux/of_irq.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/emev2.h>
@@ -381,9 +383,14 @@ void __init emev2_add_standard_devices(void)
ARRAY_SIZE(emev2_late_devices));
}
-void __init emev2_add_early_devices(void)
+void __init emev2_init_delay(void)
{
shmobile_setup_delay(533, 1, 3); /* Cortex-A9 @ 533MHz */
+}
+
+void __init emev2_add_early_devices(void)
+{
+ emev2_init_delay();
early_platform_add_devices(emev2_early_devices,
ARRAY_SIZE(emev2_early_devices));
@@ -405,3 +412,41 @@ void __init emev2_init_irq(void)
/* Use GIC to handle interrupts */
gic_init(0, 29, gic_dist_base, gic_cpu_base);
}
+
+#ifdef CONFIG_USE_OF
+static const struct of_dev_auxdata emev2_auxdata_lookup[] __initconst = {
+ { }
+};
+
+void __init emev2_add_standard_devices_dt(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table,
+ emev2_auxdata_lookup, NULL);
+}
+
+static const struct of_device_id emev2_dt_irq_match[] = {
+ { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
+ {},
+};
+
+static const char *emev2_boards_compat_dt[] __initdata = {
+ "renesas,emev2",
+ NULL,
+};
+
+void __init emev2_init_irq_dt(void)
+{
+ of_irq_init(emev2_dt_irq_match);
+}
+
+DT_MACHINE_START(EMEV2_DT, "Generic Emma Mobile EV2 (Flattened Device Tree)")
+ .init_early = emev2_init_delay,
+ .nr_irqs = NR_IRQS_LEGACY,
+ .init_irq = emev2_init_irq_dt,
+ .handle_irq = gic_handle_irq,
+ .init_machine = emev2_add_standard_devices_dt,
+ .timer = &shmobile_timer,
+ .dt_compat = emev2_boards_compat_dt,
+MACHINE_END
+
+#endif /* CONFIG_USE_OF */