[PATCH v3 4/4] dts: Add support for Cisco SG220-26 switch

[Bert Vermeulen <bert@biot.com>]

Signed-off-by: Bert Vermeulen <bert@biot.com>
Signed-off-by: Sander Vanheule <sander@svanheule.net>
---
 arch/mips/Kconfig                             | 10 +++
 arch/mips/boot/dts/realtek/Makefile           |  2 +
 arch/mips/boot/dts/realtek/cisco_sg220-26.dts | 81 +++++++++++++++++++
 3 files changed, 93 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..5d8ba3df95aa
--- /dev/null
+++ b/arch/mips/boot/dts/realtek/cisco_sg220-26.dts
@@ -0,0 +1,81 @@
+// 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";
+};
+
+&spi {
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <10000000>;
+		reg = <0>;
+		m25p,fast-read;
+		broken-flash-reset;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			loader: partition@0 {
+				label = "boot";
+				reg = <0x0 0x80000>;
+				read-only;
+			};
+
+			bdinfo: partition@80000 {
+				label = "bdinfo";
+				reg = <0x80000 0x10000>;
+				read-only;
+			};
+
+			sysinfo: partition@90000 {
+				label = "sysinfo";
+				reg = <0x90000 0x10000>;
+				read-only;
+			};
+
+			jffs2_cfg: partition@a0000 {
+				label = "jffs2 cfg";
+				reg = <0xa0000 0x400000>;
+			};
+
+			jffs2_log: partition@4a0000 {
+				label = "jffs2 log";
+				reg = <0x4a0000 0x100000>;
+			};
+
+			runtime: partition@5a0000 {
+				label = "runtime";
+				reg = <0x5a0000 0xd30000>;
+			};
+
+			runtime2: partition@12d0000 {
+				label = "runtime2";
+				reg = <0x12d0000 0xd30000>;
+			};
+		};
+	};
+};
-- 
2.25.1