mediatek: backport latest pci/e driver from upstream

Signed-off-by: John Crispin <john@phrozen.org>

7 files changed, 1932 insertions, 24 deletions

diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64-rootdisk.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64-rootdisk.dts
index 6a14ef369b..1638867604 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64-rootdisk.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64-rootdisk.dts
@@ -257,18 +257,16 @@
 	};
 };
 
-&pcie {
-	pinctrl-names = "default";
-	pinctrl-0 = <&pcie0_pins>, <&pcie1_pins>;
-	status = "okay";
-
-	pcie@0,0 {
-		status = "okay";
-	};
+&pcie0 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pcie0_pins>;
+        status = "okay";
+};
 
-	pcie@1,0 {
-		status = "okay";
-	};
+&pcie1 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pcie1_pins>;
+        status = "okay";
 };
 
 &pio {
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7622-elecom-wrc-2533gent.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7622-elecom-wrc-2533gent.dts
index 224214e083..d905edc94f 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7622-elecom-wrc-2533gent.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7622-elecom-wrc-2533gent.dts
@@ -165,19 +165,14 @@
         };
 };
 
-&pcie {
-	pinctrl-names = "default", "pcie1_pins";
-	pinctrl-0 = <&pcie0_pins>;
-	pinctrl-1 = <&pcie1_pins>;
-	status = "okay";
-
-	pcie@0,0 {
-		status = "okay";
-		mt7615@0,0 {
-			reg = <0x0000 0 0 0 0>;
-			mediatek,mtd-eeprom = <&factory 0x05000>;
-		};
-	};
+&pcie0 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pcie0_pins>;
+        status = "okay";
+        mt7615@0,0 {
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x05000>;
+        };
 };
 
 &pio {
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7622-rfb1-ubi.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7622-rfb1-ubi.dts
new file mode 100644
index 0000000000..f64a882370
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7622-rfb1-ubi.dts
@@ -0,0 +1,646 @@
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Ryder Lee <ryder.lee@mediatek.com>
+ *
+ * SPDX-License-Identifier: (GPL-2.0 OR MIT)
+ */
+
+/dts-v1/;
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+
+#include "mt7622.dtsi"
+#include "mt6380.dtsi"
+
+/ {
+	model = "MT7622_MT7531 RFB";
+	compatible = "mediatek,mt7622,ubi";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+		bootargs = "earlycon=uart8250,mmio32,0x11002000 console=ttyS0,115200n1 swiotlb=512";
+	};
+
+	cpus {
+		cpu@0 {
+			proc-supply = <&mt6380_vcpu_reg>;
+			sram-supply = <&mt6380_vm_reg>;
+		};
+
+		cpu@1 {
+			proc-supply = <&mt6380_vcpu_reg>;
+			sram-supply = <&mt6380_vm_reg>;
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		factory {
+			label = "factory";
+			linux,code = <BTN_0>;
+			gpios = <&pio 0 GPIO_ACTIVE_HIGH>;
+		};
+
+		wps {
+			label = "wps";
+			linux,code = <KEY_WPS_BUTTON>;
+			gpios = <&pio 102 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	gsw: gsw@0 {
+                compatible = "mediatek,mt753x";
+                mediatek,ethsys = <&ethsys>;
+                #address-cells = <1>;
+                #size-cells = <0>;
+        };
+
+	leds {
+		compatible = "gpio-leds";
+
+		green {
+			label = "bpi-r64:pio:green";
+			gpios = <&pio 89 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		red {
+			label = "bpi-r64:pio:red";
+			gpios = <&pio 88 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+	};
+
+	memory {
+		reg = <0 0x40000000 0 0x40000000>;
+	};
+
+	reg_1p8v: regulator-1p8v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
+
+	reg_3p3v: regulator-3p3v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_5v: regulator-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+};
+
+&bch {
+	status = "okay";
+};
+
+&btif {
+	status = "okay";
+};
+
+&cir {
+	pinctrl-names = "default";
+	pinctrl-0 = <&irrx_pins>;
+	status = "okay";
+};
+
+&eth {
+	status = "okay";
+	gmac0: mac@0 {
+		compatible = "mediatek,eth-mac";
+		reg = <0>;
+		phy-mode = "2500base-x";
+
+		fixed-link {
+			speed = <2500>;
+			full-duplex;
+			pause;
+		};
+	};
+
+	gmac1: mac@1 {
+		compatible = "mediatek,eth-mac";
+		reg = <1>;
+		phy-mode = "rgmii";
+
+		fixed-link {
+			speed = <1000>;
+			full-duplex;
+			pause;
+		};
+	};
+
+	mdio: mdio-bus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+};
+
+&gsw {
+        mediatek,mdio = <&mdio>;
+        mediatek,portmap = "llllw";
+        mediatek,mdio_master_pinmux = <0>;
+        reset-gpios = <&pio 54 0>;
+        interrupt-parent = <&pio>;
+        interrupts = <53 IRQ_TYPE_LEVEL_HIGH>;
+        status = "okay";
+
+        port5: port@5 {
+                compatible = "mediatek,mt753x-port";
+                reg = <5>;
+                phy-mode = "rgmii";
+                fixed-link {
+                        speed = <1000>;
+                        full-duplex;
+                };
+        };
+
+        port6: port@6 {
+                compatible = "mediatek,mt753x-port";
+                reg = <6>;
+                phy-mode = "sgmii";
+                fixed-link {
+                        speed = <2500>;
+                        full-duplex;
+                };
+        };
+};    
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins>;
+	status = "okay";
+};
+
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c2_pins>;
+	status = "okay";
+};
+
+&mmc0 {
+	pinctrl-names = "default", "state_uhs";
+	pinctrl-0 = <&emmc_pins_default>;
+	pinctrl-1 = <&emmc_pins_uhs>;
+	status = "okay";
+	bus-width = <8>;
+	max-frequency = <50000000>;
+	cap-mmc-highspeed;
+	mmc-hs200-1_8v;
+	vmmc-supply = <&reg_3p3v>;
+	vqmmc-supply = <&reg_1p8v>;
+	assigned-clocks = <&topckgen CLK_TOP_MSDC30_0_SEL>;
+	assigned-clock-parents = <&topckgen CLK_TOP_UNIV48M>;
+	non-removable;
+};
+
+&mmc1 {
+	pinctrl-names = "default", "state_uhs";
+	pinctrl-0 = <&sd0_pins_default>;
+	pinctrl-1 = <&sd0_pins_uhs>;
+	status = "okay";
+	bus-width = <4>;
+	max-frequency = <50000000>;
+	cap-sd-highspeed;
+	r_smpl = <1>;
+	cd-gpios = <&pio 81 GPIO_ACTIVE_LOW>;
+	vmmc-supply = <&reg_3p3v>;
+	vqmmc-supply = <&reg_3p3v>;
+	assigned-clocks = <&topckgen CLK_TOP_MSDC30_1_SEL>;
+	assigned-clock-parents = <&topckgen CLK_TOP_UNIV48M>;
+};
+
+&nandc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&parallel_nand_pins>;
+	status = "disabled";
+};
+
+&nor_flash {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi_nor_pins>;
+	status = "disabled";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+	};
+};
+
+&pcie0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie0_pins>;
+	status = "okay";
+};
+
+&pcie1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie1_pins>;
+	status = "okay";
+};
+
+&pio {
+	/* Attention: GPIO 90 is used to switch between PCIe@1,0 and
+	 * SATA functions. i.e. output-high: PCIe, output-low: SATA
+	 */
+	asm_sel {
+		gpio-hog;
+		gpios = <90 GPIO_ACTIVE_HIGH>;
+		output-high;
+	};
+
+	/* eMMC is shared pin with parallel NAND */
+	emmc_pins_default: emmc-pins-default {
+		mux {
+			function = "emmc", "emmc_rst";
+			groups = "emmc";
+		};
+
+		/* "NDL0","NDL1","NDL2","NDL3","NDL4","NDL5","NDL6","NDL7",
+		 * "NRB","NCLE" pins are used as DAT0,DAT1,DAT2,DAT3,DAT4,
+		 * DAT5,DAT6,DAT7,CMD,CLK for eMMC respectively
+		 */
+		conf-cmd-dat {
+			pins = "NDL0", "NDL1", "NDL2",
+			       "NDL3", "NDL4", "NDL5",
+			       "NDL6", "NDL7", "NRB";
+			input-enable;
+			bias-pull-up;
+		};
+
+		conf-clk {
+			pins = "NCLE";
+			bias-pull-down;
+		};
+	};
+
+	emmc_pins_uhs: emmc-pins-uhs {
+		mux {
+			function = "emmc";
+			groups = "emmc";
+		};
+
+		conf-cmd-dat {
+			pins = "NDL0", "NDL1", "NDL2",
+			       "NDL3", "NDL4", "NDL5",
+			       "NDL6", "NDL7", "NRB";
+			input-enable;
+			drive-strength = <4>;
+			bias-pull-up;
+		};
+
+		conf-clk {
+			pins = "NCLE";
+			drive-strength = <4>;
+			bias-pull-down;
+		};
+	};
+
+	eth_pins: eth-pins {
+		mux {
+			function = "eth";
+			groups = "mdc_mdio", "rgmii_via_gmac2";
+		};
+	};
+
+	i2c1_pins: i2c1-pins {
+		mux {
+			function = "i2c";
+			groups =  "i2c1_0";
+		};
+	};
+
+	i2c2_pins: i2c2-pins {
+		mux {
+			function = "i2c";
+			groups =  "i2c2_0";
+		};
+	};
+
+	i2s1_pins: i2s1-pins {
+		mux {
+			function = "i2s";
+			groups =  "i2s_out_mclk_bclk_ws",
+				  "i2s1_in_data",
+				  "i2s1_out_data";
+		};
+
+		conf {
+			pins = "I2S1_IN", "I2S1_OUT", "I2S_BCLK",
+			       "I2S_WS", "I2S_MCLK";
+			drive-strength = <12>;
+			bias-pull-down;
+		};
+	};
+
+	irrx_pins: irrx-pins {
+		mux {
+			function = "ir";
+			groups =  "ir_1_rx";
+		};
+	};
+
+	irtx_pins: irtx-pins {
+		mux {
+			function = "ir";
+			groups =  "ir_1_tx";
+		};
+	};
+
+	/* Parallel nand is shared pin with eMMC */
+	parallel_nand_pins: parallel-nand-pins {
+		mux {
+			function = "flash";
+			groups = "par_nand";
+		};
+	};
+
+	pcie0_pins: pcie0-pins {
+		mux {
+			function = "pcie";
+			groups = "pcie0_pad_perst",
+				 "pcie0_1_waken",
+				 "pcie0_1_clkreq";
+		};
+	};
+
+	pcie1_pins: pcie1-pins {
+		mux {
+			function = "pcie";
+			groups = "pcie1_pad_perst",
+				 "pcie1_0_waken",
+				 "pcie1_0_clkreq";
+		};
+	};
+
+	pmic_bus_pins: pmic-bus-pins {
+		mux {
+			function = "pmic";
+			groups = "pmic_bus";
+		};
+	};
+
+	pwm7_pins: pwm1-2-pins {
+		mux {
+			function = "pwm";
+			groups = "pwm_ch7_2";
+		};
+	};
+
+	wled_pins: wled-pins {
+		mux {
+			function = "led";
+			groups = "wled";
+		};
+	};
+
+	sd0_pins_default: sd0-pins-default {
+		mux {
+			function = "sd";
+			groups = "sd_0";
+		};
+
+		/* "I2S2_OUT, "I2S4_IN"", "I2S3_IN", "I2S2_IN",
+		 *  "I2S4_OUT", "I2S3_OUT" are used as DAT0, DAT1,
+		 *  DAT2, DAT3, CMD, CLK for SD respectively.
+		 */
+		conf-cmd-data {
+			pins = "I2S2_OUT", "I2S4_IN", "I2S3_IN",
+			       "I2S2_IN","I2S4_OUT";
+			input-enable;
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+		conf-clk {
+			pins = "I2S3_OUT";
+			drive-strength = <12>;
+			bias-pull-down;
+		};
+		conf-cd {
+			pins = "TXD3";
+			bias-pull-up;
+		};
+	};
+
+	sd0_pins_uhs: sd0-pins-uhs {
+		mux {
+			function = "sd";
+			groups = "sd_0";
+		};
+
+		conf-cmd-data {
+			pins = "I2S2_OUT", "I2S4_IN", "I2S3_IN",
+			       "I2S2_IN","I2S4_OUT";
+			input-enable;
+			bias-pull-up;
+		};
+
+		conf-clk {
+			pins = "I2S3_OUT";
+			bias-pull-down;
+		};
+	};
+
+	/* Serial NAND is shared pin with SPI-NOR */
+	serial_nand_pins: serial-nand-pins {
+		mux {
+			function = "flash";
+			groups = "snfi";
+		};
+	};
+
+	spic0_pins: spic0-pins {
+		mux {
+			function = "spi";
+			groups = "spic0_0";
+		};
+	};
+
+	spic1_pins: spic1-pins {
+		mux {
+			function = "spi";
+			groups = "spic1_0";
+		};
+	};
+
+	/* SPI-NOR is shared pin with serial NAND */
+	spi_nor_pins: spi-nor-pins {
+		mux {
+			function = "flash";
+			groups = "spi_nor";
+		};
+	};
+
+	/* serial NAND is shared pin with SPI-NOR */
+	serial_nand_pins: serial-nand-pins {
+		mux {
+			function = "flash";
+			groups = "snfi";
+		};
+	};
+
+	uart0_pins: uart0-pins {
+		mux {
+			function = "uart";
+			groups = "uart0_0_tx_rx" ;
+		};
+	};
+
+	uart2_pins: uart2-pins {
+		mux {
+			function = "uart";
+			groups = "uart2_1_tx_rx" ;
+		};
+	};
+
+	watchdog_pins: watchdog-pins {
+		mux {
+			function = "watchdog";
+			groups = "watchdog";
+		};
+	};
+};
+
+&pwm {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm7_pins>;
+	status = "okay";
+};
+
+&pwrap {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pmic_bus_pins>;
+
+	status = "okay";
+};
+
+&sata {
+	status = "disable";
+};
+
+&sata_phy {
+	status = "disable";
+};
+
+&snfi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&serial_nand_pins>;
+	status = "okay";
+
+	spi_nand@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spi-nand";
+		spi-max-frequency = <104000000>;
+		reg = <0>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "Preloader";
+				reg = <0x00000 0x0080000>;
+				read-only;
+			};
+
+			partition@80000 {
+				label = "ATF";
+				reg = <0x80000 0x0040000>;
+			};
+
+			partition@c0000 {
+				label = "Bootloader";
+				reg = <0xc0000 0x0080000>;
+			};
+
+			partition@140000 {
+				label = "Config";
+				reg = <0x140000 0x0080000>;
+			};
+
+			factory: partition@1c0000 {
+				label = "Factory";
+				reg = <0x1c0000 0x0040000>;
+			};
+
+			partition@200000 {
+				label = "kernel";
+				reg = <0x200000 0x400000>;
+			};
+
+			partition@600000 {
+				label = "ubi";
+				reg = <0x600000 0x1C00000>;
+			};
+
+			partition@2200000 {
+				label = "User_data";
+				reg = <0x2200000 0x4000000>;
+			};
+		};
+	};
+};
+
+&spi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spic0_pins>;
+	status = "okay";
+};
+
+&spi1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spic1_pins>;
+	status = "okay";
+};
+
+&ssusb {
+	vusb33-supply = <&reg_3p3v>;
+	vbus-supply = <&reg_5v>;
+	status = "okay";
+};
+
+&u3phy {
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins>;
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_pins>;
+	status = "okay";
+};
+
+&watchdog {
+	pinctrl-names = "default";
+	pinctrl-0 = <&watchdog_pins>;
+	status = "okay";
+};
+
+&wmac {
+	mediatek,mtd-eeprom = <&factory 0x0000>;
+	status = "okay";
+};
diff --git a/target/linux/mediatek/patches-5.4/0991-dt-bindings-PCI-Mediatek-Update-PCIe-binding.patch b/target/linux/mediatek/patches-5.4/0991-dt-bindings-PCI-Mediatek-Update-PCIe-binding.patch
new file mode 100755
index 0000000000..2c7e311836
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/0991-dt-bindings-PCI-Mediatek-Update-PCIe-binding.patch
@@ -0,0 +1,420 @@
+From patchwork Thu May 28 06:16:45 2020
+Content-Type: text/plain; charset="utf-8"
+MIME-Version: 1.0
+Content-Transfer-Encoding: 7bit
+X-Patchwork-Submitter: Chuanjia Liu <chuanjia.liu@mediatek.com>
+X-Patchwork-Id: 11574793
+Return-Path: 
+ <SRS0=ftSA=7K=lists.infradead.org=linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@kernel.org>
+Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org
+ [172.30.200.123])
+	by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 391201392
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+From: <chuanjia.liu@mediatek.com>
+To: <robh+dt@kernel.org>, <ryder.lee@mediatek.com>, <matthias.bgg@gmail.com>
+Subject: [PATCH v2 1/4] dt-bindings: PCI: Mediatek: Update PCIe binding
+Date: Thu, 28 May 2020 14:16:45 +0800
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+ srv_heupstream@mediatek.com, "chuanjia.liu" <Chuanjia.Liu@mediatek.com>,
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+
+From: "chuanjia.liu" <Chuanjia.Liu@mediatek.com>
+
+There are two independent PCIe controllers in MT2712/MT7622 platform,
+and each of them should contain an independent MSI domain.
+
+In current architecture, MSI domain will be inherited from the root
+bridge, and all of the devices will share the same MSI domain.
+Hence that, the PCIe devices will not work properly if the irq number
+which required is more than 32.
+
+Split the PCIe node for MT2712/MT7622 platform to fix MSI issue and
+comply with the hardware design.
+
+Signed-off-by: chuanjia.liu <Chuanjia.Liu@mediatek.com>
+---
+ .../bindings/pci/mediatek-pcie-cfg.yaml       |  38 +++++
+ .../devicetree/bindings/pci/mediatek-pcie.txt | 144 +++++++++++-------
+ 2 files changed, 129 insertions(+), 53 deletions(-)
+ create mode 100644 Documentation/devicetree/bindings/pci/mediatek-pcie-cfg.yaml
+
+diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-cfg.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-cfg.yaml
+new file mode 100644
+index 000000000000..4d2835ab4858
+--- /dev/null
++++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-cfg.yaml
+@@ -0,0 +1,38 @@
++# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
++%YAML 1.2
++---
++$id: http://devicetree.org/schemas/pci/mediatek-pcie-cfg.yaml#
++$schema: http://devicetree.org/meta-schemas/core.yaml#
++
++title: Mediatek PCIECFG controller
++
++maintainers:
++  - Chuanjia Liu <chuanjia.liu@mediatek.com>
++  - Jianjun Wang <jianjun.wang@mediatek.com>
++
++description: |
++  The MediaTek PCIECFG controller controls some feature about
++  LTSSM, ASPM and so on.
++
++properties:
++  compatible:
++      items:
++        - enum:
++            - mediatek,mt7622-pciecfg
++            - mediatek,mt7629-pciecfg
++        - const: syscon
++
++  reg:
++    maxItems: 1
++
++required:
++  - compatible
++  - reg
++
++examples:
++  - |
++    pciecfg: pciecfg@1a140000 {
++        compatible = "mediatek,mt7622-pciecfg", "syscon";
++        reg = <0 0x1a140000 0 0x1000>;
++    };
++...
+diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie.txt b/Documentation/devicetree/bindings/pci/mediatek-pcie.txt
+index 7468d666763a..ddae110d4379 100644
+--- a/Documentation/devicetree/bindings/pci/mediatek-pcie.txt
++++ b/Documentation/devicetree/bindings/pci/mediatek-pcie.txt
+@@ -8,7 +8,7 @@ Required properties:
+ 	"mediatek,mt7623-pcie"
+ 	"mediatek,mt7629-pcie"
+ - device_type: Must be "pci"
+-- reg: Base addresses and lengths of the PCIe subsys and root ports.
++- reg: Base addresses and lengths of the root ports.
+ - reg-names: Names of the above areas to use during resource lookup.
+ - #address-cells: Address representation for root ports (must be 3)
+ - #size-cells: Size representation for root ports (must be 2)
+@@ -19,10 +19,10 @@ Required properties:
+    - sys_ckN :transaction layer and data link layer clock
+   Required entries for MT2701/MT7623:
+    - free_ck :for reference clock of PCIe subsys
+-  Required entries for MT2712/MT7622:
++  Required entries for MT2712/MT7622/MT7629:
+    - ahb_ckN :AHB slave interface operating clock for CSR access and RC
+ 	      initiated MMIO access
+-  Required entries for MT7622:
++  Required entries for MT7622/MT7629:
+    - axi_ckN :application layer MMIO channel operating clock
+    - aux_ckN :pe2_mac_bridge and pe2_mac_core operating clock when
+ 	      pcie_mac_ck/pcie_pipe_ck is turned off
+@@ -47,10 +47,13 @@ Required properties for MT7623/MT2701:
+ - reset-names: Must be "pcie-rst0", "pcie-rst1", "pcie-rstN".. based on the
+   number of root ports.
+ 
+-Required properties for MT2712/MT7622:
++Required properties for MT2712/MT7622/MT7629:
+ -interrupts: A list of interrupt outputs of the controller, must have one
+ 	     entry for each PCIe port
+ 
++Required properties for MT7622/MT7629:
++- mediatek,pcie-subsys: Should be a phandle of the pciecfg node.
++
+ In addition, the device tree node must have sub-nodes describing each
+ PCIe port interface, having the following mandatory properties:
+ 
+@@ -143,56 +146,73 @@ Examples for MT7623:
+ 
+ Examples for MT2712:
+ 
+-	pcie: pcie@11700000 {
++	pcie1: pcie@112ff000 {
+ 		compatible = "mediatek,mt2712-pcie";
+ 		device_type = "pci";
+-		reg = <0 0x11700000 0 0x1000>,
+-		      <0 0x112ff000 0 0x1000>;
+-		reg-names = "port0", "port1";
++		reg = <0 0x112ff000 0 0x1000>;
++		reg-names = "port1";
+ 		#address-cells = <3>;
+ 		#size-cells = <2>;
+-		interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,
+-			     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
+-		clocks = <&topckgen CLK_TOP_PE2_MAC_P0_SEL>,
+-			 <&topckgen CLK_TOP_PE2_MAC_P1_SEL>,
+-			 <&pericfg CLK_PERI_PCIE0>,
++		interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
++		interrupt-names = "pcie_irq";
++		clocks = <&topckgen CLK_TOP_PE2_MAC_P1_SEL>,
+ 			 <&pericfg CLK_PERI_PCIE1>;
+-		clock-names = "sys_ck0", "sys_ck1", "ahb_ck0", "ahb_ck1";
+-		phys = <&pcie0_phy PHY_TYPE_PCIE>, <&pcie1_phy PHY_TYPE_PCIE>;
+-		phy-names = "pcie-phy0", "pcie-phy1";
++		clock-names = "sys_ck1", "ahb_ck1";
++		phys = <&u3port1 PHY_TYPE_PCIE>;
++		phy-names = "pcie-phy1";
+ 		bus-range = <0x00 0xff>;
+-		ranges = <0x82000000 0 0x20000000  0x0 0x20000000  0 0x10000000>;
++		ranges = <0x82000000 0 0x11400000  0x0 0x11400000  0 0x300000>;
++		status = "disabled";
+ 
+-		pcie0: pcie@0,0 {
+-			reg = <0x0000 0 0 0 0>;
++		slot1: pcie@1,0 {
++			reg = <0x0800 0 0 0 0>;
+ 			#address-cells = <3>;
+ 			#size-cells = <2>;
+ 			#interrupt-cells = <1>;
+ 			ranges;
+ 			interrupt-map-mask = <0 0 0 7>;
+-			interrupt-map = <0 0 0 1 &pcie_intc0 0>,
+-					<0 0 0 2 &pcie_intc0 1>,
+-					<0 0 0 3 &pcie_intc0 2>,
+-					<0 0 0 4 &pcie_intc0 3>;
+-			pcie_intc0: interrupt-controller {
++			interrupt-map = <0 0 0 1 &pcie_intc1 0>,
++					<0 0 0 2 &pcie_intc1 1>,
++					<0 0 0 3 &pcie_intc1 2>,
++					<0 0 0 4 &pcie_intc1 3>;
++			pcie_intc1: interrupt-controller {
+ 				interrupt-controller;
+ 				#address-cells = <0>;
+ 				#interrupt-cells = <1>;
+ 			};
+ 		};
++	};
+ 
+-		pcie1: pcie@1,0 {
+-			reg = <0x0800 0 0 0 0>;
++	pcie0: pcie@11700000 {
++		compatible = "mediatek,mt2712-pcie";
++		device_type = "pci";
++		reg = <0 0x11700000 0 0x1000>;
++		reg-names = "port0";
++		#address-cells = <3>;
++		#size-cells = <2>;
++		interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
++		interrupt-names = "pcie_irq";
++		clocks = <&topckgen CLK_TOP_PE2_MAC_P0_SEL>,
++			 <&pericfg CLK_PERI_PCIE0>;
++		clock-names = "sys_ck0", "ahb_ck0";
++		phys = <&u3port0 PHY_TYPE_PCIE>;
++		phy-names = "pcie-phy0";
++		bus-range = <0x00 0xff>;
++		ranges = <0x82000000 0 0x20000000  0x0 0x20000000  0 0x10000000>;
++		status = "disabled";
++
++		slot0: pcie@0,0 {
++			reg = <0x0000 0 0 0 0>;
+ 			#address-cells = <3>;
+ 			#size-cells = <2>;
+ 			#interrupt-cells = <1>;
+ 			ranges;
+ 			interrupt-map-mask = <0 0 0 7>;
+-			interrupt-map = <0 0 0 1 &pcie_intc1 0>,
+-					<0 0 0 2 &pcie_intc1 1>,
+-					<0 0 0 3 &pcie_intc1 2>,
+-					<0 0 0 4 &pcie_intc1 3>;
+-			pcie_intc1: interrupt-controller {
++			interrupt-map = <0 0 0 1 &pcie_intc0 0>,
++					<0 0 0 2 &pcie_intc0 1>,
++					<0 0 0 3 &pcie_intc0 2>,
++					<0 0 0 4 &pcie_intc0 3>;
++			pcie_intc0: interrupt-controller {
+ 				interrupt-controller;
+ 				#address-cells = <0>;
+ 				#interrupt-cells = <1>;
+@@ -202,39 +222,31 @@ Examples for MT2712:
+ 
+ Examples for MT7622:
+ 
+-	pcie: pcie@1a140000 {
++	pcie0: pcie@1a143000 {
+ 		compatible = "mediatek,mt7622-pcie";
+ 		device_type = "pci";
+-		reg = <0 0x1a140000 0 0x1000>,
+-		      <0 0x1a143000 0 0x1000>,
+-		      <0 0x1a145000 0 0x1000>;
+-		reg-names = "subsys", "port0", "port1";
++		reg = <0 0x1a143000 0 0x1000>;
++		reg-names = "port0";
++		mediatek,pcie-cfg = <&pciecfg>;
+ 		#address-cells = <3>;
+ 		#size-cells = <2>;
+-		interrupts = <GIC_SPI 228 IRQ_TYPE_LEVEL_LOW>,
+-			     <GIC_SPI 229 IRQ_TYPE_LEVEL_LOW>;
++		interrupts = <GIC_SPI 228 IRQ_TYPE_LEVEL_LOW>;
++		interrupt-names = "pcie_irq";
+ 		clocks = <&pciesys CLK_PCIE_P0_MAC_EN>,
+-			 <&pciesys CLK_PCIE_P1_MAC_EN>,
+ 			 <&pciesys CLK_PCIE_P0_AHB_EN>,
+-			 <&pciesys CLK_PCIE_P1_AHB_EN>,
+ 			 <&pciesys CLK_PCIE_P0_AUX_EN>,
+-			 <&pciesys CLK_PCIE_P1_AUX_EN>,
+ 			 <&pciesys CLK_PCIE_P0_AXI_EN>,
+-			 <&pciesys CLK_PCIE_P1_AXI_EN>,
+ 			 <&pciesys CLK_PCIE_P0_OBFF_EN>,
+-			 <&pciesys CLK_PCIE_P1_OBFF_EN>,
+-			 <&pciesys CLK_PCIE_P0_PIPE_EN>,
+-			 <&pciesys CLK_PCIE_P1_PIPE_EN>;
+-		clock-names = "sys_ck0", "sys_ck1", "ahb_ck0", "ahb_ck1",
+-			      "aux_ck0", "aux_ck1", "axi_ck0", "axi_ck1",
+-			      "obff_ck0", "obff_ck1", "pipe_ck0", "pipe_ck1";
+-		phys = <&pcie0_phy PHY_TYPE_PCIE>, <&pcie1_phy PHY_TYPE_PCIE>;
+-		phy-names = "pcie-phy0", "pcie-phy1";
++			 <&pciesys CLK_PCIE_P0_PIPE_EN>;
++		clock-names = "sys_ck0", "ahb_ck0", "aux_ck0",
++			      "axi_ck0", "obff_ck0", "pipe_ck0";
++
+ 		power-domains = <&scpsys MT7622_POWER_DOMAIN_HIF0>;
+ 		bus-range = <0x00 0xff>;
+-		ranges = <0x82000000 0 0x20000000  0x0 0x20000000  0 0x10000000>;
++		ranges = <0x82000000 0 0x20000000  0 0x20000000  0 0x8000000>;
++		status = "disabled";
+ 
+-		pcie0: pcie@0,0 {
++		slot0: pcie@0,0 {
+ 			reg = <0x0000 0 0 0 0>;
+ 			#address-cells = <3>;
+ 			#size-cells = <2>;
+@@ -251,8 +263,34 @@ Examples for MT7622:
+ 				#interrupt-cells = <1>;
+ 			};
+ 		};
++	};
++
++	pcie1: pcie@1a145000 {
++		compatible = "mediatek,mt7622-pcie";
++		device_type = "pci";
++		reg = <0 0x1a145000 0 0x1000>;
++		reg-names = "port1";
++		mediatek,pcie-cfg = <&pciecfg>;
++		#address-cells = <3>;
++		#size-cells = <2>;
++		interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_LOW>;
++		interrupt-names = "pcie_irq";
++		clocks = <&pciesys CLK_PCIE_P1_MAC_EN>,
++			 /* designer has connect RC1 with p0_ahb clock */
++			 <&pciesys CLK_PCIE_P0_AHB_EN>,
++			 <&pciesys CLK_PCIE_P1_AUX_EN>,
++			 <&pciesys CLK_PCIE_P1_AXI_EN>,
++			 <&pciesys CLK_PCIE_P1_OBFF_EN>,
++			 <&pciesys CLK_PCIE_P1_PIPE_EN>;
++		clock-names = "sys_ck1", "ahb_ck1", "aux_ck1",
++			      "axi_ck1", "obff_ck1", "pipe_ck1";
++
++		power-domains = <&scpsys MT7622_POWER_DOMAIN_HIF0>;
++		bus-range = <0x00 0xff>;
++		ranges = <0x82000000 0 0x28000000  0 0x28000000  0 0x8000000>;
++		status = "disabled";
+ 
+-		pcie1: pcie@1,0 {
++		slot1: pcie@1,0 {
+ 			reg = <0x0800 0 0 0 0>;
+ 			#address-cells = <3>;
+ 			#size-cells = <2>;
diff --git a/target/linux/mediatek/patches-5.4/0992-PCI-mediatek-Use-regmap-to-get-shared-pcie-cfg-base.patch b/target/linux/mediatek/patches-5.4/0992-PCI-mediatek-Use-regmap-to-get-shared-pcie-cfg-base.patch
new file mode 100755
index 0000000000..e773e2e676
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/0992-PCI-mediatek-Use-regmap-to-get-shared-pcie-cfg-base.patch
@@ -0,0 +1,219 @@
+From patchwork Thu May 28 06:16:46 2020
+Content-Type: text/plain; charset="utf-8"
+MIME-Version: 1.0
+Content-Transfer-Encoding: 7bit
+X-Patchwork-Submitter: Chuanjia Liu <chuanjia.liu@mediatek.com>
+X-Patchwork-Id: 11574781
+Return-Path: 
+ <SRS0=ftSA=7K=lists.infradead.org=linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@kernel.org>
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+From: <chuanjia.liu@mediatek.com>
+To: <robh+dt@kernel.org>, <ryder.lee@mediatek.com>, <matthias.bgg@gmail.com>
+Subject: [PATCH v2 2/4] PCI: mediatek: Use regmap to get shared pcie-cfg base
+Date: Thu, 28 May 2020 14:16:46 +0800
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+From: "chuanjia.liu" <Chuanjia.Liu@mediatek.com>
+
+Use regmap to get shared pcie-cfg base and change
+the method to get pcie irq.
+
+Signed-off-by: chuanjia.liu <Chuanjia.Liu@mediatek.com>
+---
+ drivers/pci/controller/pcie-mediatek.c | 25 ++++++++++++++++++-------
+ 1 file changed, 18 insertions(+), 7 deletions(-)
+
+diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
+index cb982891b22b..2268d6073eb6 100644
+--- a/drivers/pci/controller/pcie-mediatek.c
++++ b/drivers/pci/controller/pcie-mediatek.c
+@@ -14,6 +14,7 @@
+ #include <linux/irqchip/chained_irq.h>
+ #include <linux/irqdomain.h>
+ #include <linux/kernel.h>
++#include <linux/mfd/syscon.h>
+ #include <linux/msi.h>
+ #include <linux/module.h>
+ #include <linux/of_address.h>
+@@ -23,6 +24,7 @@
+ #include <linux/phy/phy.h>
+ #include <linux/platform_device.h>
+ #include <linux/pm_runtime.h>
++#include <linux/regmap.h>
+ #include <linux/reset.h>
+ 
+ #include "../pci.h"
+@@ -205,6 +207,7 @@ struct mtk_pcie_port {
+  * struct mtk_pcie - PCIe host information
+  * @dev: pointer to PCIe device
+  * @base: IO mapped register base
++ * @cfg: IO mapped register map for PCIe config
+  * @free_ck: free-run reference clock
+  * @mem: non-prefetchable memory resource
+  * @ports: pointer to PCIe port information
+@@ -214,6 +217,7 @@ struct mtk_pcie_port {
+ struct mtk_pcie {
+ 	struct device *dev;
+ 	void __iomem *base;
++	struct regmap *cfg;
+ 	struct clk *free_ck;
+ 
+ 	struct list_head ports;
+@@ -650,7 +654,7 @@ static int mtk_pcie_setup_irq(struct mtk_pcie_port *port,
+ 		return err;
+ 	}
+ 
+-	port->irq = platform_get_irq(pdev, port->slot);
++	port->irq = platform_get_irq_byname(pdev, "pcie_irq");
+ 	irq_set_chained_handler_and_data(port->irq,
+ 					 mtk_pcie_intr_handler, port);
+ 
+@@ -673,12 +677,11 @@ static int mtk_pcie_startup_port_v2(struct mtk_pcie_port *port)
+ 	if (!mem)
+ 		return -EINVAL;
+ 
+-	/* MT7622 platforms need to enable LTSSM and ASPM from PCIe subsys */
+-	if (pcie->base) {
+-		val = readl(pcie->base + PCIE_SYS_CFG_V2);
+-		val |= PCIE_CSR_LTSSM_EN(port->slot) |
+-		       PCIE_CSR_ASPM_L1_EN(port->slot);
+-		writel(val, pcie->base + PCIE_SYS_CFG_V2);
++	/* MT7622/MT7629 platforms need to enable LTSSM and ASPM. */
++	if (pcie->cfg) {
++		val = PCIE_CSR_LTSSM_EN(port->slot) |
++		      PCIE_CSR_ASPM_L1_EN(port->slot);
++		regmap_update_bits(pcie->cfg, PCIE_SYS_CFG_V2, val, val);
+ 	}
+ 
+ 	/* Assert all reset signals */
+@@ -984,6 +987,7 @@ static int mtk_pcie_subsys_powerup(struct mtk_pcie *pcie)
+ 	struct device *dev = pcie->dev;
+ 	struct platform_device *pdev = to_platform_device(dev);
+ 	struct resource *regs;
++	struct device_node *cfg_node;
+ 	int err;
+ 
+ 	/* get shared registers, which are optional */
+@@ -996,6 +1000,13 @@ static int mtk_pcie_subsys_powerup(struct mtk_pcie *pcie)
+ 		}
+ 	}
+ 
++	cfg_node = of_parse_phandle(dev->of_node, "mediatek,pcie-cfg", 0);
++	if (cfg_node) {
++		pcie->cfg = syscon_node_to_regmap(cfg_node);
++		if (IS_ERR(pcie->cfg))
++			return PTR_ERR(pcie->cfg);
++	}
++
+ 	pcie->free_ck = devm_clk_get(dev, "free_ck");
+ 	if (IS_ERR(pcie->free_ck)) {
+ 		if (PTR_ERR(pcie->free_ck) == -EPROBE_DEFER)
diff --git a/target/linux/mediatek/patches-5.4/0993-arm64-dts-mediatek-Split-PCIe-node-for-MT2712-MT7622.patch b/target/linux/mediatek/patches-5.4/0993-arm64-dts-mediatek-Split-PCIe-node-for-MT2712-MT7622.patch
new file mode 100755
index 0000000000..7d3c55c0e4
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/0993-arm64-dts-mediatek-Split-PCIe-node-for-MT2712-MT7622.patch
@@ -0,0 +1,423 @@
+From patchwork Thu May 28 06:16:47 2020
+Content-Type: text/plain; charset="utf-8"
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+X-Patchwork-Submitter: Chuanjia Liu <chuanjia.liu@mediatek.com>
+X-Patchwork-Id: 11574785
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+From: <chuanjia.liu@mediatek.com>
+To: <robh+dt@kernel.org>, <ryder.lee@mediatek.com>, <matthias.bgg@gmail.com>
+Subject: [PATCH v2 3/4] arm64: dts: mediatek: Split PCIe node for
+ MT2712/MT7622
+Date: Thu, 28 May 2020 14:16:47 +0800
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+ srv_heupstream@mediatek.com, "chuanjia.liu" <Chuanjia.Liu@mediatek.com>,
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+
+From: "chuanjia.liu" <Chuanjia.Liu@mediatek.com>
+
+There are two independent PCIe controllers in MT2712/MT7622 platform,
+and each of them should contain an independent MSI domain.
+
+In current architecture, MSI domain will be inherited from the root
+bridge, and all of the devices will share the same MSI domain.
+Hence that, the PCIe devices will not work properly if the irq number
+which required is more than 32.
+
+Split the PCIe node for MT2712/MT7622 platform to fix MSI issue and
+comply with the hardware design.
+
+Signed-off-by: chuanjia.liu <Chuanjia.Liu@mediatek.com>
+---
+ arch/arm64/boot/dts/mediatek/mt2712e.dtsi     | 75 +++++++++++--------
+ .../dts/mediatek/mt7622-bananapi-bpi-r64.dts  | 16 ++--
+ arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts  |  6 +-
+ arch/arm64/boot/dts/mediatek/mt7622.dtsi      | 68 +++++++++++------
+ 4 files changed, 96 insertions(+), 69 deletions(-)
+
+diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
+index 2cd8b33886e5..ab27ff4a869e 100644
+--- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
++++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
+@@ -797,60 +797,73 @@
+ 		};
+ 	};
+ 
+-	pcie: pcie@11700000 {
++	pcie1: pcie@112ff000 {
+ 		compatible = "mediatek,mt2712-pcie";
+ 		device_type = "pci";
+-		reg = <0 0x11700000 0 0x1000>,
+-		      <0 0x112ff000 0 0x1000>;
+-		reg-names = "port0", "port1";
++		reg = <0 0x112ff000 0 0x1000>;
++		reg-names = "port1";
+ 		#address-cells = <3>;
+ 		#size-cells = <2>;
+-		interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,
+-			     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
+-		clocks = <&topckgen CLK_TOP_PE2_MAC_P0_SEL>,
+-			 <&topckgen CLK_TOP_PE2_MAC_P1_SEL>,
+-			 <&pericfg CLK_PERI_PCIE0>,
++		interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
++		interrupt-names = "pcie_irq";
++		clocks = <&topckgen CLK_TOP_PE2_MAC_P1_SEL>,
+ 			 <&pericfg CLK_PERI_PCIE1>;
+-		clock-names = "sys_ck0", "sys_ck1", "ahb_ck0", "ahb_ck1";
+-		phys = <&u3port0 PHY_TYPE_PCIE>, <&u3port1 PHY_TYPE_PCIE>;
+-		phy-names = "pcie-phy0", "pcie-phy1";
++		clock-names = "sys_ck1", "ahb_ck1";
++		phys = <&u3port1 PHY_TYPE_PCIE>;
++		phy-names = "pcie-phy1";
+ 		bus-range = <0x00 0xff>;
+-		ranges = <0x82000000 0 0x20000000  0x0 0x20000000  0 0x10000000>;
++		ranges = <0x82000000 0 0x11400000  0x0 0x11400000  0 0x300000>;
++		status = "disabled";
+ 
+-		pcie0: pcie@0,0 {
+-			device_type = "pci";
+-			status = "disabled";
+-			reg = <0x0000 0 0 0 0>;
++		slot1: pcie@1,0 {
++			reg = <0x0800 0 0 0 0>;
+ 			#address-cells = <3>;
+ 			#size-cells = <2>;
+ 			#interrupt-cells = <1>;
+ 			ranges;
+ 			interrupt-map-mask = <0 0 0 7>;
+-			interrupt-map = <0 0 0 1 &pcie_intc0 0>,
+-					<0 0 0 2 &pcie_intc0 1>,
+-					<0 0 0 3 &pcie_intc0 2>,
+-					<0 0 0 4 &pcie_intc0 3>;
+-			pcie_intc0: interrupt-controller {
++			interrupt-map = <0 0 0 1 &pcie_intc1 0>,
++					<0 0 0 2 &pcie_intc1 1>,
++					<0 0 0 3 &pcie_intc1 2>,
++					<0 0 0 4 &pcie_intc1 3>;
++			pcie_intc1: interrupt-controller {
+ 				interrupt-controller;
+ 				#address-cells = <0>;
+ 				#interrupt-cells = <1>;
+ 			};
+ 		};
++	};
+ 
+-		pcie1: pcie@1,0 {
+-			device_type = "pci";
+-			status = "disabled";
+-			reg = <0x0800 0 0 0 0>;
++	pcie0: pcie@11700000 {
++		compatible = "mediatek,mt2712-pcie";
++		device_type = "pci";
++		reg = <0 0x11700000 0 0x1000>;
++		reg-names = "port0";
++		#address-cells = <3>;
++		#size-cells = <2>;
++		interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
++		interrupt-names = "pcie_irq";
++		clocks = <&topckgen CLK_TOP_PE2_MAC_P0_SEL>,
++			 <&pericfg CLK_PERI_PCIE0>;
++		clock-names = "sys_ck0", "ahb_ck0";
++		phys = <&u3port0 PHY_TYPE_PCIE>;
++		phy-names = "pcie-phy0";
++		bus-range = <0x00 0xff>;
++		ranges = <0x82000000 0 0x20000000 0x0 0x20000000 0 0x10000000>;
++		status = "disabled";
++
++		slot0: pcie@0,0 {
++			reg = <0x0000 0 0 0 0>;
+ 			#address-cells = <3>;
+ 			#size-cells = <2>;
+ 			#interrupt-cells = <1>;
+ 			ranges;
+ 			interrupt-map-mask = <0 0 0 7>;
+-			interrupt-map = <0 0 0 1 &pcie_intc1 0>,
+-					<0 0 0 2 &pcie_intc1 1>,
+-					<0 0 0 3 &pcie_intc1 2>,
+-					<0 0 0 4 &pcie_intc1 3>;
+-			pcie_intc1: interrupt-controller {
++			interrupt-map = <0 0 0 1 &pcie_intc0 0>,
++					<0 0 0 2 &pcie_intc0 1>,
++					<0 0 0 3 &pcie_intc0 2>,
++					<0 0 0 4 &pcie_intc0 3>;
++			pcie_intc0: interrupt-controller {
+ 				interrupt-controller;
+ 				#address-cells = <0>;
+ 				#interrupt-cells = <1>;
+diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+index 83e10591e0e5..7574d88cc46a 100644
+--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
++++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+@@ -207,18 +207,16 @@
+ 	};
+ };
+ 
+-&pcie {
++&pcie0 {
+ 	pinctrl-names = "default";
+-	pinctrl-0 = <&pcie0_pins>, <&pcie1_pins>;
++	pinctrl-0 = <&pcie0_pins>;
+ 	status = "okay";
++};
+ 
+-	pcie@0,0 {
+-		status = "okay";
+-	};
+-
+-	pcie@1,0 {
+-		status = "okay";
+-	};
++&pcie1 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pcie1_pins>;
++	status = "okay";
+ };
+ 
+ &pio {
+diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+index 339dc9f88f43..d5131c8b6a79 100644
+--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
++++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+@@ -766,45 +766,41 @@
+ 		#reset-cells = <1>;
+ 	};
+ 
+-	pcie: pcie@1a140000 {
++	pciecfg: pciecfg@1a140000 {
++		compatible = "mediatek,mt7622-pciecfg", "syscon";
++		reg = <0 0x1a140000 0 0x1000>;
++	};
++
++	pcie0: pcie@1a143000 {
+ 		compatible = "mediatek,mt7622-pcie";
+ 		device_type = "pci";
+-		reg = <0 0x1a140000 0 0x1000>,
+-		      <0 0x1a143000 0 0x1000>,
+-		      <0 0x1a145000 0 0x1000>;
+-		reg-names = "subsys", "port0", "port1";
++		reg = <0 0x1a143000 0 0x1000>;
++		reg-names = "port0";
++		mediatek,pcie-cfg = <&pciecfg>;
+ 		#address-cells = <3>;
+ 		#size-cells = <2>;
+-		interrupts = <GIC_SPI 228 IRQ_TYPE_LEVEL_LOW>,
+-			     <GIC_SPI 229 IRQ_TYPE_LEVEL_LOW>;
++		interrupts = <GIC_SPI 228 IRQ_TYPE_LEVEL_LOW>;
++		interrupt-names = "pcie_irq";
+ 		clocks = <&pciesys CLK_PCIE_P0_MAC_EN>,
+-			 <&pciesys CLK_PCIE_P1_MAC_EN>,
+-			 <&pciesys CLK_PCIE_P0_AHB_EN>,
+ 			 <&pciesys CLK_PCIE_P0_AHB_EN>,
+ 			 <&pciesys CLK_PCIE_P0_AUX_EN>,
+-			 <&pciesys CLK_PCIE_P1_AUX_EN>,
+ 			 <&pciesys CLK_PCIE_P0_AXI_EN>,
+-			 <&pciesys CLK_PCIE_P1_AXI_EN>,
+ 			 <&pciesys CLK_PCIE_P0_OBFF_EN>,
+-			 <&pciesys CLK_PCIE_P1_OBFF_EN>,
+-			 <&pciesys CLK_PCIE_P0_PIPE_EN>,
+-			 <&pciesys CLK_PCIE_P1_PIPE_EN>;
+-		clock-names = "sys_ck0", "sys_ck1", "ahb_ck0", "ahb_ck1",
+-			      "aux_ck0", "aux_ck1", "axi_ck0", "axi_ck1",
+-			      "obff_ck0", "obff_ck1", "pipe_ck0", "pipe_ck1";
++			 <&pciesys CLK_PCIE_P0_PIPE_EN>;
++		clock-names = "sys_ck0", "ahb_ck0", "aux_ck0",
++			      "axi_ck0", "obff_ck0", "pipe_ck0";
++
+ 		power-domains = <&scpsys MT7622_POWER_DOMAIN_HIF0>;
+ 		bus-range = <0x00 0xff>;
+-		ranges = <0x82000000 0 0x20000000 0x0 0x20000000 0 0x10000000>;
++		ranges = <0x82000000 0 0x20000000  0x0 0x20000000  0 0x8000000>;
+ 		status = "disabled";
+ 
+-		pcie0: pcie@0,0 {
++		slot0: pcie@0,0 {
+ 			reg = <0x0000 0 0 0 0>;
+ 			#address-cells = <3>;
+ 			#size-cells = <2>;
+ 			#interrupt-cells = <1>;
+ 			ranges;
+-			status = "disabled";
+-
+ 			interrupt-map-mask = <0 0 0 7>;
+ 			interrupt-map = <0 0 0 1 &pcie_intc0 0>,
+ 					<0 0 0 2 &pcie_intc0 1>,
+@@ -816,15 +812,39 @@
+ 				#interrupt-cells = <1>;
+ 			};
+ 		};
++	};
+ 
+-		pcie1: pcie@1,0 {
++	pcie1: pcie@1a145000 {
++		compatible = "mediatek,mt7622-pcie";
++		device_type = "pci";
++		reg = <0 0x1a145000 0 0x1000>;
++		reg-names = "port1";
++		mediatek,pcie-cfg = <&pciecfg>;
++		#address-cells = <3>;
++		#size-cells = <2>;
++		interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_LOW>;
++		interrupt-names = "pcie_irq";
++		clocks = <&pciesys CLK_PCIE_P1_MAC_EN>,
++			 /* designer has connect RC1 with p0_ahb clock */
++			 <&pciesys CLK_PCIE_P0_AHB_EN>,
++			 <&pciesys CLK_PCIE_P1_AUX_EN>,
++			 <&pciesys CLK_PCIE_P1_AXI_EN>,
++			 <&pciesys CLK_PCIE_P1_OBFF_EN>,
++			 <&pciesys CLK_PCIE_P1_PIPE_EN>;
++		clock-names = "sys_ck1", "ahb_ck1", "aux_ck1",
++			      "axi_ck1", "obff_ck1", "pipe_ck1";
++
++		power-domains = <&scpsys MT7622_POWER_DOMAIN_HIF0>;
++		bus-range = <0x00 0xff>;
++		ranges = <0x82000000 0 0x28000000  0x0 0x28000000  0 0x8000000>;
++		status = "disabled";
++
++		slot1: pcie@1,0 {
+ 			reg = <0x0800 0 0 0 0>;
+ 			#address-cells = <3>;
+ 			#size-cells = <2>;
+ 			#interrupt-cells = <1>;
+ 			ranges;
+-			status = "disabled";
+-
+ 			interrupt-map-mask = <0 0 0 7>;
+ 			interrupt-map = <0 0 0 1 &pcie_intc1 0>,
+ 					<0 0 0 2 &pcie_intc1 1>,
+--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts	2020-06-15 18:52:25.092948824 +0800
++++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts	2020-06-15 18:52:15.909094229 +0800
+@@ -244,18 +244,16 @@
+ 	};
+ };
+ 
+-&pcie {
++&pcie0 {
+ 	pinctrl-names = "default";
+-	pinctrl-0 = <&pcie0_pins>, <&pcie1_pins>;
++	pinctrl-0 = <&pcie0_pins>;
+ 	status = "okay";
++};
+ 
+-	pcie@0,0 {
+-		status = "okay";
+-	};
+-
+-	pcie@1,0 {
+-		status = "okay";
+-	};
++&pcie1 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pcie1_pins>;
++	status = "okay";
+ };
+ 
+ &pio {
diff --git a/target/linux/mediatek/patches-5.4/0994-ARM-dts-mediatek-Update-mt7629-PCIe-node.patch b/target/linux/mediatek/patches-5.4/0994-ARM-dts-mediatek-Update-mt7629-PCIe-node.patch
new file mode 100755
index 0000000000..4ba99d89d0
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/0994-ARM-dts-mediatek-Update-mt7629-PCIe-node.patch
@@ -0,0 +1,207 @@
+From patchwork Thu May 28 06:16:48 2020
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+From: <chuanjia.liu@mediatek.com>
+To: <robh+dt@kernel.org>, <ryder.lee@mediatek.com>, <matthias.bgg@gmail.com>
+Subject: [PATCH v2 4/4] ARM: dts: mediatek: Update mt7629 PCIe node
+Date: Thu, 28 May 2020 14:16:48 +0800
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+From: "chuanjia.liu" <Chuanjia.Liu@mediatek.com>
+
+Remove unused property and add pciecfg node.
+
+Signed-off-by: chuanjia.liu <Chuanjia.Liu@mediatek.com>
+---
+ arch/arm/boot/dts/mt7629-rfb.dts |  3 ++-
+ arch/arm/boot/dts/mt7629.dtsi    | 23 +++++++++++++----------
+ 2 files changed, 15 insertions(+), 11 deletions(-)
+
+diff --git a/arch/arm/boot/dts/mt7629-rfb.dts b/arch/arm/boot/dts/mt7629-rfb.dts
+index 9980c10c6e29..eb536cbebd9b 100644
+--- a/arch/arm/boot/dts/mt7629-rfb.dts
++++ b/arch/arm/boot/dts/mt7629-rfb.dts
+@@ -140,9 +140,10 @@
+ 	};
+ };
+ 
+-&pcie {
++&pcie1 {
+ 	pinctrl-names = "default";
+ 	pinctrl-0 = <&pcie_pins>;
++	status = "okay";
+ };
+ 
+ &pciephy1 {
+diff --git a/arch/arm/boot/dts/mt7629.dtsi b/arch/arm/boot/dts/mt7629.dtsi
+index 5cbb3d244c75..94567307b842 100644
+--- a/arch/arm/boot/dts/mt7629.dtsi
++++ b/arch/arm/boot/dts/mt7629.dtsi
+@@ -360,16 +360,21 @@
+ 			#reset-cells = <1>;
+ 		};
+ 
+-		pcie: pcie@1a140000 {
++		pciecfg: pciecfg@1a140000 {
++			compatible = "mediatek,mt7629-pciecfg", "syscon";
++			reg = <0x1a140000 0x1000>;
++		};
++
++		pcie1: pcie@1a145000 {
+ 			compatible = "mediatek,mt7629-pcie";
+ 			device_type = "pci";
+-			reg = <0x1a140000 0x1000>,
+-			      <0x1a145000 0x1000>;
+-			reg-names = "subsys","port1";
++			reg = <0x1a145000 0x1000>;
++			reg-names = "port1";
++			mediatek,pcie-cfg = <&pciecfg>;
+ 			#address-cells = <3>;
+ 			#size-cells = <2>;
+-			interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_LOW>,
+-				     <GIC_SPI 229 IRQ_TYPE_LEVEL_LOW>;
++			interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_LOW>;
++			interrupt-names = "pcie_irq";
+ 			clocks = <&pciesys CLK_PCIE_P1_MAC_EN>,
+ 				 <&pciesys CLK_PCIE_P0_AHB_EN>,
+ 				 <&pciesys CLK_PCIE_P1_AUX_EN>,
+@@ -390,21 +395,19 @@
+ 			power-domains = <&scpsys MT7622_POWER_DOMAIN_HIF0>;
+ 			bus-range = <0x00 0xff>;
+ 			ranges = <0x82000000 0 0x20000000 0x20000000 0 0x10000000>;
++			status = "disabled";
+ 
+-			pcie1: pcie@1,0 {
+-				device_type = "pci";
++			slot1: pcie@1,0 {
+ 				reg = <0x0800 0 0 0 0>;
+ 				#address-cells = <3>;
+ 				#size-cells = <2>;
+ 				#interrupt-cells = <1>;
+ 				ranges;
+-				num-lanes = <1>;
+ 				interrupt-map-mask = <0 0 0 7>;
+ 				interrupt-map = <0 0 0 1 &pcie_intc1 0>,
+ 						<0 0 0 2 &pcie_intc1 1>,
+ 						<0 0 0 3 &pcie_intc1 2>,
+ 						<0 0 0 4 &pcie_intc1 3>;
+-
+ 				pcie_intc1: interrupt-controller {
+ 					interrupt-controller;
+ 					#address-cells = <0>;