@@ -123,6 +123,7 @@ dtb-$(CONFIG_ARCH_U8500) += snowball.dtb \
dtb-$(CONFIG_ARCH_SHMOBILE) += emev2-kzm9d.dtb \
r8a7740-armadillo800eva.dtb \
r8a7740-armadillo800eva-reference.dtb \
+ r8a7779-marzen-reference.dtb \
sh73a0-kzm9g.dtb \
sh73a0-kzm9g-reference.dtb \
sh7372-mackerel.dtb \
new file mode 100644
@@ -0,0 +1,41 @@
+/*
+ * Reference Device Tree Source for the Marzen board
+ *
+ * Copyright (C) 2013 Renesas Solutions Corp.
+ * Copyright (C) 2013 Simon Horman
+ *
+ * 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.
+ */
+
+/dts-v1/;
+/include/ "r8a7779.dtsi"
+
+/ {
+ model = "marzen";
+ compatible = "renesas,marzen-reference", "renesas,r8a7779";
+
+ chosen {
+ bootargs = "console=ttySC2,115200 earlyprintk=sh-sci.2,115200 ignore_loglevel root=/dev/nfs ip=on";
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x60000000 0x40000000>;
+ };
+
+ fixedregulator3v3: fixedregulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+};
+
+&lan0 {
+ vddvario-supply = <&fixedregulator3v3>;
+ vdd33a-supply = <&fixedregulator3v3>;
+};
@@ -120,6 +120,17 @@ config MACH_MARZEN
select ARCH_REQUIRE_GPIOLIB
select REGULATOR_FIXED_VOLTAGE if REGULATOR
+config MACH_MARZEN_REFERENCE
+ bool "MARZEN board - Reference Device Tree Implementation"
+ depends on MACH_MARZEN
+ select USE_OF
+ ---help---
+ Use reference implementation of Marzen board support
+ which makes use of device tree at the expense
+ of not supporting a number of devices.
+
+ This is intended to aid developers
+
config MACH_KZM9D
bool "KZM9D board"
depends on ARCH_EMEV2
@@ -40,6 +40,7 @@ obj-$(CONFIG_MACH_MACKEREL_REFERENCE) += board-mackerel-reference.o
obj-$(CONFIG_MACH_KOTA2) += board-kota2.o
obj-$(CONFIG_MACH_BONITO) += board-bonito.o
obj-$(CONFIG_MACH_MARZEN) += board-marzen.o
+obj-$(CONFIG_MACH_MARZEN_REFERENCE) += board-marzen-reference.o
obj-$(CONFIG_MACH_ARMADILLO800EVA) += board-armadillo800eva.o
obj-$(CONFIG_MACH_ARMADILLO800EVA_REFERENCE) += board-armadillo800eva-reference.o
obj-$(CONFIG_MACH_KZM9D) += board-kzm9d.o
new file mode 100644
@@ -0,0 +1,71 @@
+/*
+ * marzen board support - Reference DT implementation
+ *
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ * Copyright (C) 2011 Magnus Damm
+ * 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/gpio.h>
+#include <mach/r8a7779.h>
+#include <mach/common.h>
+#include <mach/irqs.h>
+#include <asm/mach/arch.h>
+
+static void __init marzen_init(void)
+{
+ r8a7779_pinmux_init();
+
+ /* SCIF2 (CN18: DEBUG0) */
+ gpio_request(GPIO_FN_TX2_C, NULL);
+ gpio_request(GPIO_FN_RX2_C, NULL);
+
+ /* SCIF4 (CN19: DEBUG1) */
+ gpio_request(GPIO_FN_TX4, NULL);
+ gpio_request(GPIO_FN_RX4, NULL);
+
+ /* LAN89218 */
+ gpio_request(GPIO_FN_EX_CS0, NULL); /* nCS */
+ gpio_request(GPIO_FN_IRQ1_B, NULL); /* IRQ + PME */
+
+ /* SD0 (CN20) */
+ gpio_request(GPIO_FN_SD0_CLK, NULL);
+ gpio_request(GPIO_FN_SD0_CMD, NULL);
+ gpio_request(GPIO_FN_SD0_DAT0, NULL);
+ gpio_request(GPIO_FN_SD0_DAT1, NULL);
+ gpio_request(GPIO_FN_SD0_DAT2, NULL);
+ gpio_request(GPIO_FN_SD0_DAT3, NULL);
+ gpio_request(GPIO_FN_SD0_CD, NULL);
+ gpio_request(GPIO_FN_SD0_WP, NULL);
+
+ r8a7779_add_standard_devices_dt();
+}
+
+static const char *marzen_boards_compat_dt[] __initdata = {
+ "renesas,marzen-reference",
+ NULL,
+};
+
+DT_MACHINE_START(MARZEN, "marzen")
+ .smp = smp_ops(r8a7779_smp_ops),
+ .map_io = r8a7779_map_io,
+ .init_early = r8a7779_add_early_devices_dt,
+ .nr_irqs = NR_IRQS_LEGACY,
+ .init_irq = r8a7779_init_irq_dt,
+ .init_machine = marzen_init,
+ .init_time = shmobile_timer_init,
+ .dt_compat = marzen_boards_compat_dt,
+MACHINE_END
Provide alternate board code for the marzen to demonstrate how DT may be used given the current state of driver device tree support. This is intended to act as a reference for mach-shmobile developers. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/r8a7779-marzen-reference.dts | 41 +++++++++++++ arch/arm/mach-shmobile/Kconfig | 11 ++++ arch/arm/mach-shmobile/Makefile | 1 + arch/arm/mach-shmobile/board-marzen-reference.c | 71 +++++++++++++++++++++++ 5 files changed, 125 insertions(+) create mode 100644 arch/arm/boot/dts/r8a7779-marzen-reference.dts create mode 100644 arch/arm/mach-shmobile/board-marzen-reference.c