MIPS: Add Onion Omega2+ board

The Onion Omega2+ is an MT7688A based board that has 128MB RAM and
multiple peripherals.

The MT7688A is pin compatible with the MT7628A, although the former
supports a 1T1R antenna whereas the MT7628A supports a 2R2T antenna.

Signed-off-by: Harvey Hunt <harvey.hunt@imgtec.com>
Cc: robh+dt@kernel.org
Cc: mark.rutland@arm.com
Cc: john@phrozen.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17137/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/MAINTAINERS b/MAINTAINERS
index 4e8848e..63102ba 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9674,6 +9674,12 @@ F:       drivers/regulator/twl-regulator.c
 F:     drivers/regulator/twl6030-regulator.c
 F:     include/linux/i2c-omap.h
 
+ONION OMEGA2+ BOARD
+M:     Harvey Hunt <harveyhuntnexus@gmail.com>
+L:     linux-mips@linux-mips.org
+S:     Maintained
+F:     arch/mips/boot/dts/ralink/omega2p.dts
+
 OMFS FILESYSTEM
 M:     Bob Copeland <me@bobcopeland.com>
 L:     linux-karma-devel@lists.sourceforge.net

diff --git a/arch/mips/boot/dts/ralink/Makefile b/arch/mips/boot/dts/ralink/Makefile
index d4d20ec..55e2937 100644 (file)
--- a/arch/mips/boot/dts/ralink/Makefile
+++ b/arch/mips/boot/dts/ralink/Makefile
@@ -2,6 +2,7 @@ dtb-$(CONFIG_DTB_RT2880_EVAL)   += rt2880_eval.dtb
 dtb-$(CONFIG_DTB_RT305X_EVAL)  += rt3052_eval.dtb
 dtb-$(CONFIG_DTB_RT3883_EVAL)  += rt3883_eval.dtb
 dtb-$(CONFIG_DTB_MT7620A_EVAL) += mt7620a_eval.dtb
+dtb-$(CONFIG_DTB_OMEGA2P)      += omega2p.dtb
 dtb-$(CONFIG_DTB_VOCORE2)      += vocore2.dtb
 
 obj-y                          += $(patsubst %.dtb, %.dtb.o, $(dtb-y))

diff --git a/arch/mips/boot/dts/ralink/omega2p.dts b/arch/mips/boot/dts/ralink/omega2p.dts
new file mode 100644 (file)
index 0000000..5884fd4
--- /dev/null
+++ b/arch/mips/boot/dts/ralink/omega2p.dts
@@ -0,0 +1,18 @@
+/dts-v1/;
+
+/include/ "mt7628a.dtsi"
+
+/ {
+       compatible = "onion,omega2+", "ralink,mt7688a-soc", "ralink,mt7628a-soc";
+       model = "Onion Omega2+";
+
+       memory@0 {
+               device_type = "memory";
+               reg = <0x0 0x8000000>;
+       };
+
+       chosen {
+               bootargs = "console=ttyS0,115200";
+               stdout-path = &uart0;
+       };
+};

diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
index c2b2c2d..b462708 100644 (file)
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -82,6 +82,11 @@ choice
                depends on SOC_MT7620
                select BUILTIN_DTB
 
+       config DTB_OMEGA2P
+               bool "Onion Omega2+"
+               depends on SOC_MT7620
+               select BUILTIN_DTB
+
        config DTB_VOCORE2
                bool "VoCore2"
                depends on SOC_MT7620