arm64: dts: h3ulcb: initial device tree

Add the initial device tree for the R8A7795 SoC based H3ULCB low cost
board.

This commit supports the following peripherals:
- SCIF (console)

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index 17139f7..eb72830 100644 (file)
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile
@@ -1,4 +1,4 @@
-dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-x.dtb
+dtb-$(CONFIG_ARCH_R8A7795) += r8a7795-salvator-x.dtb r8a7795-h3ulcb.dtb
 dtb-$(CONFIG_ARCH_R8A7796) += r8a7796-salvator-x.dtb
 
 always         := $(dtb-y)

diff --git a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
new file mode 100644 (file)
index 0000000..ecb9e11
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
@@ -0,0 +1,51 @@
+/*
+ * Device Tree Source for the H3ULCB board
+ *
+ * Copyright (C) 2016 Renesas Electronics Corp.
+ * Copyright (C) 2016 Cogent Embedded, Inc.
+ *
+ * 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 "r8a7795.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+       model = "Renesas H3ULCB board based on r8a7795";
+       compatible = "renesas,h3ulcb", "renesas,r8a7795";
+
+       aliases {
+               serial0 = &scif2;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       memory@48000000 {
+               device_type = "memory";
+               /* first 128MB is reserved for secure area. */
+               reg = <0x0 0x48000000 0x0 0x38000000>;
+       };
+};
+
+&extal_clk {
+       clock-frequency = <16666666>;
+};
+
+&pfc {
+       scif2_pins: scif2 {
+               groups = "scif2_data_a";
+               function = "scif2";
+       };
+};
+
+&scif2 {
+       pinctrl-0 = <&scif2_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+};