[PATCH v4 5/5] mips: dts: Add support for Cisco SG220-26 switch

[Bert Vermeulen <bert@biot.com>]

Signed-off-by: Bert Vermeulen <bert@biot.com>
---
 arch/mips/Kconfig                             | 10 ++++++++
 arch/mips/boot/dts/realtek/Makefile           |  2 ++
 arch/mips/boot/dts/realtek/cisco_sg220-26.dts | 25 +++++++++++++++++++
 3 files changed, 37 insertions(+)
 create mode 100644 arch/mips/boot/dts/realtek/Makefile
 create mode 100644 arch/mips/boot/dts/realtek/cisco_sg220-26.dts

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 0986d0c4405f..a398416842ca 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1055,6 +1055,16 @@ config NLM_XLP_BOARD
 
 endchoice
 
+if MACH_REALTEK_RTL
+choice
+	prompt "Realtek RTL838x/RTL839x-based switch"
+	optional
+
+	config DT_CISCO_SG220_26
+		bool "Cisco SG220-26"
+endchoice
+endif
+
 source "arch/mips/alchemy/Kconfig"
 source "arch/mips/ath25/Kconfig"
 source "arch/mips/ath79/Kconfig"
diff --git a/arch/mips/boot/dts/realtek/Makefile b/arch/mips/boot/dts/realtek/Makefile
new file mode 100644
index 000000000000..f0a3e5816767
--- /dev/null
+++ b/arch/mips/boot/dts/realtek/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_DT_CISCO_SG220_26)		+= cisco_sg220-26.dtb
diff --git a/arch/mips/boot/dts/realtek/cisco_sg220-26.dts b/arch/mips/boot/dts/realtek/cisco_sg220-26.dts
new file mode 100644
index 000000000000..1cdbb09297ef
--- /dev/null
+++ b/arch/mips/boot/dts/realtek/cisco_sg220-26.dts
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
+
+/dts-v1/;
+
+#include "rtl83xx.dtsi"
+#include "rtl838x.dtsi"
+
+/ {
+	model = "Cisco SG220-26";
+	compatible = "cisco,sg220-26", "realtek,rtl8382-soc";
+
+	chosen {
+		stdout-path = "serial0:9600n8";
+		bootargs = "earlycon console=ttyS0,9600";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x8000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
-- 
2.25.1