Add a directory by kernel instead of a common root, add qnap-301w and rpi4 kernel 6.1 suppport

5.4/target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4019-r619ac-128m.dts

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+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "qcom-ipq4019-r619ac.dtsi"
+
+/ {
+	model = "P&W R619AC 128M";
+	compatible = "p2w,r619ac-128m";
+};
+
+&nand_rootfs {
+	/*
+	 * Watch out: stock MIBIB is set up for a 64MiB chip.
+	 * If a 128MiB flash chip is used, make sure to have
+	 * the right values in MIBIB or the device might not
+	 * boot.
+	 */
+	reg = <0x0 0x8000000>;
+};

5.4/target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4019-r619ac-64m.dts

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+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "qcom-ipq4019-r619ac.dtsi"
+
+/ {
+	model = "P&W R619AC 64M";
+	compatible = "p2w,r619ac-64m";
+};
+
+&nand_rootfs {
+	reg = <0x0 0x4000000>;
+};

5.4/target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4019-r619ac.dts

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+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "qcom-ipq4019-r619ac.dtsi"
+
+/ {
+	model = "P&W R619AC";
+	compatible = "p2w,r619ac";
+
+	chosen {
+		bootargs-append = " root=/dev/ubiblock0_1 rootfstype=squashfs";
+	};
+};

5.4/target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4019-r619ac.dtsi

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+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "qcom-ipq4019.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/soc/qcom,tcsr.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	chosen {
+		bootargs-append = " ubi.mtd=ubi root=/dev/ubiblock0_1";
+	};
+
+	aliases {
+		led-boot = &led_sys;
+		led-failsafe = &led_sys;
+		led-running = &led_sys;
+		led-upgrade = &led_sys;
+		label-mac-device = &gmac0;
+	};
+
+	soc {
+		rng@22000 {
+			status = "okay";
+		};
+
+		mdio@90000 {
+			status = "okay";
+			pinctrl-0 = <&mdio_pins>;
+			pinctrl-names = "default";
+		};
+
+		ess-psgmii@98000 {
+			status = "okay";
+		};
+
+		tcsr@1949000 {
+			compatible = "qcom,tcsr";
+			reg = <0x1949000 0x100>;
+			qcom,wifi_glb_cfg = <TCSR_WIFI_GLB_CFG>;
+		};
+
+		tcsr@194b000 {
+			compatible = "qcom,tcsr";
+			reg = <0x194b000 0x100>;
+			qcom,usb-hsphy-mode-select = <TCSR_USB_HSPHY_HOST_MODE>;
+		};
+
+		ess_tcsr@1953000 {
+			compatible = "qcom,tcsr";
+			reg = <0x1953000 0x1000>;
+			qcom,ess-interface-select = <TCSR_ESS_PSGMII>;
+		};
+
+		tcsr@1957000 {
+			compatible = "qcom,tcsr";
+			reg = <0x1957000 0x100>;
+			qcom,wifi_noc_memtype_m0_m2 = <TCSR_WIFI_NOC_MEMTYPE_M0_M2>;
+		};
+
+		usb2@60f8800 {
+			status = "okay";
+		};
+
+		usb3@8af8800 {
+			status = "okay";
+		};
+
+		crypto@8e3a000 {
+			status = "okay";
+		};
+
+		watchdog@b017000 {
+			status = "okay";
+		};
+
+		ess-switch@c000000 {
+			status = "okay";
+		};
+
+		edma@c080000 {
+			status = "okay";
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_sys: led-0 {
+			label = "blue:sys";
+			gpios = <&tlmm 39 GPIO_ACTIVE_HIGH>;
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_POWER;
+		};
+
+		led-1 {
+			label = "blue:wlan2g";
+			gpios = <&tlmm 32 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "phy0tpt";
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_WLAN;
+			function-enumerator = <0>;
+		};
+
+		led-2 {
+			label = "blue:wlan5g";
+			gpios = <&tlmm 50 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "phy1tpt";
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_WLAN;
+			function-enumerator = <1>;
+		};
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			gpios = <&tlmm 18 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+	};
+};
+
+&blsp_dma {
+	status = "okay";
+};
+
+&blsp1_spi1 {
+	status = "okay";
+
+	flash@0 {
+		reg = <0>;
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <24000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "SBL1";
+				reg = <0x0 0x40000>;
+				read-only;
+			};
+
+			partition@40000 {
+				label = "MIBIB";
+				reg = <0x40000 0x20000>;
+				read-only;
+			};
+
+			partition@60000 {
+				label = "QSEE";
+				reg = <0x60000 0x60000>;
+				read-only;
+			};
+
+			partition@c0000 {
+				label = "CDT";
+				reg = <0xc0000 0x10000>;
+				read-only;
+			};
+
+			partition@d0000 {
+				label = "DDRPARAMS";
+				reg = <0xd0000 0x10000>;
+				read-only;
+			};
+
+			partition@e0000 {
+				label = "APPSBLENV";
+				reg = <0xe0000 0x10000>;
+				read-only;
+			};
+
+			partition@f0000 {
+				label = "APPSBL";
+				reg = <0xf0000 0x80000>;
+				read-only;
+			};
+
+			partition@170000 {
+				label = "ART";
+				reg = <0x170000 0x10000>;
+				read-only;
+				compatible = "nvmem-cells";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				precal_art_1000: precal@1000 {
+					reg = <0x1000 0x2f20>;
+				};
+
+				precal_art_5000: precal@5000 {
+					reg = <0x5000 0x2f20>;
+				};
+			};
+		};
+	};
+};
+
+&nand {
+	status = "okay";
+
+	nand@0 {
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			nand_rootfs: partition@0 {
+				label = "ubi";
+				/* reg defined in 64M/128M variant dts. */
+			};
+		};
+	};
+};
+
+&blsp1_uart1 {
+	pinctrl-0 = <&serial_0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&cryptobam {
+	status = "okay";
+};
+
+&pcie0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_pins>;
+	perst-gpio = <&tlmm 4 GPIO_ACTIVE_LOW>;
+	wake-gpio = <&tlmm 40 GPIO_ACTIVE_HIGH>;
+
+	/* Free slot for use */
+	bridge@0,0 {
+		reg = <0x00000000 0 0 0 0>;
+		#address-cells = <3>;
+		#size-cells = <2>;
+		ranges;
+	};
+};
+
+&qpic_bam {
+	status = "okay";
+};
+
+&sdhci {
+	pinctrl-0 = <&sd_0_pins>;
+	pinctrl-names = "default";
+	vqmmc-supply = <&vqmmc>;
+	status = "okay";
+};
+
+&tlmm {
+	pcie_pins: pcie_pinmux {
+		mux {
+			pins = "gpio2";
+			function = "gpio";
+			output-low;
+			bias-pull-down;
+		};
+	};
+
+	mdio_pins: mdio_pinmux {
+		mux_1 {
+			pins = "gpio6";
+			function = "mdio";
+			bias-pull-up;
+		};
+
+		mux_2 {
+			pins = "gpio7";
+			function = "mdc";
+			bias-pull-up;
+		};
+	};
+
+	sd_0_pins: sd_0_pinmux {
+		mux_1 {
+			pins = "gpio23", "gpio24", "gpio25", "gpio26", "gpio28";
+			function = "sdio";
+			drive-strength = <10>;
+		};
+
+		mux_2 {
+			pins = "gpio27";
+			function = "sdio";
+			drive-strength = <16>;
+		};
+	};
+
+	serial_0_pins: serial0-pinmux {
+		mux {
+			pins = "gpio16", "gpio17";
+			function = "blsp_uart0";
+			bias-disable;
+		};
+	};
+};
+
+&ethphy0 {
+	qcom,single-led-1000;
+	qcom,single-led-100;
+	qcom,single-led-10;
+};
+
+&ethphy1 {
+	qcom,single-led-1000;
+	qcom,single-led-100;
+	qcom,single-led-10;
+};
+
+&ethphy2 {
+	qcom,single-led-1000;
+	qcom,single-led-100;
+	qcom,single-led-10;
+};
+
+&ethphy3 {
+	qcom,single-led-1000;
+	qcom,single-led-100;
+	qcom,single-led-10;
+};
+
+&ethphy4 {
+	qcom,single-led-1000;
+	qcom,single-led-100;
+	qcom,single-led-10;
+};
+
+&usb3_ss_phy {
+	status = "okay";
+};
+
+&usb3_hs_phy {
+	status = "okay";
+};
+
+&usb2_hs_phy {
+	status = "okay";
+};
+
+&vqmmc {
+	status = "okay";
+};
+
+&wifi0 {
+	status = "okay";
+	nvmem-cell-names = "pre-calibration";
+	nvmem-cells = <&precal_art_1000>;
+	qcom,ath10k-calibration-variant = "P&W R619AC";
+};
+
+&wifi1 {
+	status = "okay";
+	nvmem-cell-names = "pre-calibration";
+	nvmem-cells = <&precal_art_5000>;
+	qcom,ath10k-calibration-variant = "P&W R619AC";
+};