ramips: reorganize DTSI files for Netgear R devices

This reorganizes DTSI files for the Netgear R devices in mt7621
(and the WNDR3700 v5). It creates a common DTSI for all R (sercomm)
devices and distributes the remaining code in r6220.dtsi to R6220
and WNDR3700 v5.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 72 insertions, 0 deletions

diff --git a/target/linux/ramips/dts/mt7621_netgear_sercomm_chj.dtsi b/target/linux/ramips/dts/mt7621_netgear_sercomm_chj.dtsi
new file mode 100644
index 0000000000..d09585a753
--- /dev/null
+++ b/target/linux/ramips/dts/mt7621_netgear_sercomm_chj.dtsi
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "mt7621_netgear_sercomm.dtsi"
+
+/ {
+	keys {
+		compatible = "gpio-keys";
+
+		wps {
+			label = "wps";
+			gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+	};
+};
+
+&nand {
+	status = "okay";
+
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "u-boot";
+			reg = <0x0 0x100000>;
+			read-only;
+		};
+
+		partition@100000 {
+			label = "SC PART_MAP";
+			reg = <0x100000 0x100000>;
+			read-only;
+		};
+
+		partition@200000 {
+			label = "kernel";
+			reg = <0x200000 0x400000>;
+		};
+
+		partition@600000 {
+			label = "ubi";
+			reg = <0x600000 0x2800000>;
+		};
+
+		partition@2e00000 {
+			label = "reserved0";
+			reg = <0x2e00000 0x1800000>;
+			read-only;
+		};
+
+		factory: partition@4600000 {
+			label = "factory";
+			reg = <0x4600000 0x200000>;
+			read-only;
+		};
+
+		partition@4800000 {
+			label = "reserved1";
+			reg = <0x4800000 0x3800000>;
+			read-only;
+		};
+	};
+};