MIPS: mscc: Add luton PC0B91 device tree

Add a device tree for the Microsemi Luton PCB091 evaluation board.

It is based on the work of Lars Povlsen <lars.povlsen@microchip.com>.

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

diff --git a/arch/mips/boot/dts/mscc/Makefile b/arch/mips/boot/dts/mscc/Makefile
index 5015ccb..40699b4 100644 (file)
--- a/arch/mips/boot/dts/mscc/Makefile
+++ b/arch/mips/boot/dts/mscc/Makefile
@@ -1,4 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
-dtb-$(CONFIG_SOC_VCOREIII)     += ocelot_pcb123.dtb ocelot_pcb120.dtb
+dtb-$(CONFIG_SOC_VCOREIII)     += \
+       luton_pcb091.dtb \
+       ocelot_pcb120.dtb \
+       ocelot_pcb123.dtb
 
 obj-$(CONFIG_BUILTIN_DTB)      += $(addsuffix .o, $(dtb-y))

diff --git a/arch/mips/boot/dts/mscc/luton_pcb091.dts b/arch/mips/boot/dts/mscc/luton_pcb091.dts
new file mode 100644 (file)
index 0000000..26ef628
--- /dev/null
+++ b/arch/mips/boot/dts/mscc/luton_pcb091.dts
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020 Microsemi Corporation
+ */
+
+/dts-v1/;
+
+#include "luton.dtsi"
+
+/ {
+       model = "Luton10 PCB091 Reference Board";
+       compatible = "mscc,luton-pcb091", "mscc,luton";
+
+       aliases {
+               serial0 = &uart0;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+};
+
+&uart0 {
+       status = "okay";
+};
+
+&i2c0 {
+       status = "okay";
+       i2c-sda-hold-time-ns = <300>;
+};