ipq807x: add support for CMCC RM2-6

Hardware specifications:
  SoC: Qualcomm IPQ8070A
  RAM: 512MB of DDR3
  Flash: 256MB Micron NAND
  Ethernet: 2x 1G RJ45 port
  WiFi1: QCN5024 2x2 2.4GHz
  WiFi2: QCN5054 2x2 5GHz
  Fan: 1x GPIO controlled
  Button: Reset, WPS

Flash instructions:
  Upload factory.bin in stock firmware's upgrade page.

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Reviewed-by: Robert Marko <robimarko@gmail.com>

1 files changed, 310 insertions, 0 deletions

diff --git a/target/linux/qualcommax/files/arch/arm64/boot/dts/qcom/ipq8070-rm2-6.dts b/target/linux/qualcommax/files/arch/arm64/boot/dts/qcom/ipq8070-rm2-6.dts
new file mode 100644
index 00000000000..d935e19ad24
--- /dev/null
+++ b/target/linux/qualcommax/files/arch/arm64/boot/dts/qcom/ipq8070-rm2-6.dts
@@ -0,0 +1,310 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+/dts-v1/;
+
+#include "ipq8074-512m.dtsi"
+#include "ipq8074-ac-cpu.dtsi"
+#include "ipq8074-ess.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	model = "CMCC RM2-6";
+	compatible = "cmcc,rm2-6", "qcom,ipq8074";
+
+	aliases {
+		serial0 = &blsp1_uart5;
+		serial1 = &blsp1_uart3;
+		led-boot = &led_status_red;
+		led-failsafe = &led_status_red;
+		led-running = &led_status_blue;
+		led-upgrade = &led_status_amber;
+		/*
+		 * Aliases as required by u-boot
+		 * to patch MAC addresses
+		 */
+		ethernet0 = &dp4;
+		ethernet1 = &dp2;
+		ethernet2 = &dp5;
+		label-mac-device = &dp4;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+		bootargs-append = " root=/dev/ubiblock0_1";
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		wps {
+			label = "wps";
+			linux,code = <KEY_WPS_BUTTON>;
+			gpios = <&tlmm 27 GPIO_ACTIVE_LOW>;
+		};
+
+		reset {
+			label = "reset";
+			linux,code = <KEY_RESTART>;
+			gpios = <&tlmm 30 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_status_amber: status-amber {
+			color = <LED_COLOR_ID_AMBER>;
+			function = LED_FUNCTION_STATUS;
+			gpio = <&tlmm 25 GPIO_ACTIVE_HIGH>;
+		};
+
+		led_status_blue: status-blue {
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_STATUS;
+			gpio = <&tlmm 26 GPIO_ACTIVE_HIGH>;
+		};
+
+		led_status_red: status-red {
+			color = <LED_COLOR_ID_RED>;
+			function = LED_FUNCTION_STATUS;
+			gpio = <&tlmm 31 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	fan: gpio-fan {
+		#cooling-cells = <2>;
+		compatible = "gpio-fan";
+		gpio = <&tlmm 29 GPIO_ACTIVE_HIGH>;
+		gpio-fan,speed-map = <0 0>, <1 1>;
+	};
+};
+
+&tlmm {
+	mdio_pins: mdio-pins {
+		mdc {
+			pins = "gpio68";
+			function = "mdc";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+
+		mdio {
+			pins = "gpio69";
+			function = "mdio";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+	};
+};
+
+&blsp1_uart3 {
+	status = "okay";
+};
+
+&blsp1_uart5 {
+	status = "okay";
+};
+
+&cryptobam {
+	status = "okay";
+};
+
+&crypto {
+	status = "okay";
+};
+
+&prng {
+	status = "okay";
+};
+
+&qpic_bam {
+	status = "okay";
+};
+
+&qpic_nand {
+	status = "okay";
+
+	nand@0 {
+		reg = <0>;
+		nand-ecc-strength = <8>;
+		nand-ecc-step-size = <512>;
+		nand-bus-width = <8>;
+
+		partitions {
+			compatible = "qcom,smem-part";
+		};
+	};
+};
+
+&cpu0_thermal {
+	trips {
+		cpu0_trip_active: cpu-active {
+			temperature = <60000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+	};
+
+	cooling-maps {
+		cpu-active {
+			cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+			trip = <&cpu0_trip_active>;
+		};
+	};
+};
+
+&cpu1_thermal {
+	trips {
+		cpu1_trip_active: cpu-active {
+			temperature = <60000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+	};
+
+	cooling-maps {
+		cpu-active {
+			cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+			trip = <&cpu1_trip_active>;
+		};
+	};
+};
+
+&cpu2_thermal {
+	trips {
+		cpu2_trip_active: cpu-active {
+			temperature = <60000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+	};
+
+	cooling-maps {
+		cpu-active {
+			cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+			trip = <&cpu2_trip_active>;
+		};
+	};
+};
+
+&cpu3_thermal {
+	trips {
+		cpu3_trip_active: cpu-active {
+			temperature = <60000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+	};
+
+	cooling-maps {
+		cpu-active {
+			cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+			trip = <&cpu3_trip_active>;
+		};
+	};
+};
+
+&cluster_thermal {
+	trips {
+		cluster_active: cluster-active {
+			temperature = <60000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+	};
+
+	cooling-maps {
+		cluster-active {
+			cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+			trip = <&cluster_active>;
+		};
+	};
+};
+
+&mdio {
+	status = "okay";
+
+	pinctrl-0 = <&mdio_pins>;
+	pinctrl-names = "default";
+	reset-gpios = <&tlmm 37 GPIO_ACTIVE_LOW>;
+
+	ethernet-phy-package@0 {
+		compatible = "qcom,qca8075-package";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0>;
+
+		qca8075_1: ethernet-phy@1 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <1>;
+		};
+
+		qca8075_3: ethernet-phy@3 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <3>;
+		};
+
+		qca8075_4: ethernet-phy@4 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <4>;
+		};
+	};
+};
+
+&switch {
+	status = "okay";
+
+	switch_lan_bmp = <(ESS_PORT2 | ESS_PORT4)>;
+	switch_wan_bmp = <ESS_PORT5>;
+	switch_mac_mode = <MAC_MODE_PSGMII>;
+
+	qcom,port_phyinfo {
+		port@2 {
+			port_id = <2>;
+			phy_address = <1>;
+		};
+		port@4 {
+			port_id = <4>;
+			phy_address = <3>;
+		};
+		port@5 {
+			port_id = <5>;
+			phy_address = <4>;
+		};
+	};
+};
+
+&edma {
+	status = "okay";
+};
+
+/*
+ * Directly connect to the Hi5630
+ * PLC (Power Line Communication)
+ */
+&dp2 {
+	status = "okay";
+	phy-handle = <&qca8075_1>;
+	label = "plc";
+};
+
+&dp4 {
+	status = "okay";
+	phy-handle = <&qca8075_3>;
+	label = "lan";
+};
+
+&dp5 {
+	status = "okay";
+	phy-handle = <&qca8075_4>;
+	label = "wan";
+};
+
+&wifi {
+	status = "okay";
+
+	qcom,ath11k-calibration-variant = "CMCC-RM2-6";
+	qcom,ath11k-fw-memory-mode = <1>;
+};