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Message-ID: <20251203122313.1287950-4-robert.marko@sartura.hr>
Date: Wed, 3 Dec 2025 13:21:32 +0100
From: Robert Marko <robert.marko@...tura.hr>
To: robh@...nel.org,
krzk+dt@...nel.org,
conor+dt@...nel.org,
gregkh@...uxfoundation.org,
nicolas.ferre@...rochip.com,
claudiu.beznea@...on.dev,
mturquette@...libre.com,
sboyd@...nel.org,
richardcochran@...il.com,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-usb@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-clk@...r.kernel.org,
daniel.machon@...rochip.com,
UNGLinuxDriver@...rochip.com
Cc: luka.perkov@...tura.hr,
Robert Marko <robert.marko@...tura.hr>
Subject: [PATCH 4/4] arm64: dts: microchip: add LAN969x support
Add support for Microchip LAN969x switch SoC, including the EV23X71A
EVB board.
Signed-off-by: Robert Marko <robert.marko@...tura.hr>
---
arch/arm64/boot/dts/microchip/Makefile | 2 +
.../boot/dts/microchip/lan9696-ev23x71a.dts | 761 ++++++++++++++++++
arch/arm64/boot/dts/microchip/lan969x.dtsi | 482 +++++++++++
3 files changed, 1245 insertions(+)
create mode 100644 arch/arm64/boot/dts/microchip/lan9696-ev23x71a.dts
create mode 100644 arch/arm64/boot/dts/microchip/lan969x.dtsi
diff --git a/arch/arm64/boot/dts/microchip/Makefile b/arch/arm64/boot/dts/microchip/Makefile
index c6e0313eea0f..d02ac50aae79 100644
--- a/arch/arm64/boot/dts/microchip/Makefile
+++ b/arch/arm64/boot/dts/microchip/Makefile
@@ -2,3 +2,5 @@
dtb-$(CONFIG_ARCH_SPARX5) += sparx5_pcb125.dtb
dtb-$(CONFIG_ARCH_SPARX5) += sparx5_pcb134.dtb sparx5_pcb134_emmc.dtb
dtb-$(CONFIG_ARCH_SPARX5) += sparx5_pcb135.dtb sparx5_pcb135_emmc.dtb
+
+dtb-$(CONFIG_ARCH_LAN969X) += lan9696-ev23x71a.dtb
\ No newline at end of file
diff --git a/arch/arm64/boot/dts/microchip/lan9696-ev23x71a.dts b/arch/arm64/boot/dts/microchip/lan9696-ev23x71a.dts
new file mode 100644
index 000000000000..6bbddad2a0b9
--- /dev/null
+++ b/arch/arm64/boot/dts/microchip/lan9696-ev23x71a.dts
@@ -0,0 +1,761 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2025 Microchip Technology Inc. and its subsidiaries.
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
+#include "lan969x.dtsi"
+
+/ {
+ model = "Microchip EV23X71A";
+ compatible = "microchip,ev23x71a", "microchip,lan969x";
+
+ aliases {
+ serial0 = &usart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ gpio-restart {
+ compatible = "gpio-restart";
+ gpios = <&gpio 60 GPIO_ACTIVE_LOW>;
+ open-source;
+ priority = <200>;
+ };
+
+ i2c-mux {
+ compatible = "i2c-mux-gpio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ i2c-parent = <&i2c3>;
+
+ mux-gpios = <&sgpio_out 0 1 GPIO_ACTIVE_HIGH
+ &sgpio_out 0 2 GPIO_ACTIVE_HIGH
+ &sgpio_out 0 3 GPIO_ACTIVE_HIGH>;
+ idle-state = <0x8>;
+
+ i2c_sfp0: i2c@0 {
+ reg = <0x0>;
+ };
+
+ i2c_sfp1: i2c@1 {
+ reg = <0x1>;
+ };
+
+ i2c_sfp2: i2c@2 {
+ reg = <0x2>;
+ };
+
+ i2c_sfp3: i2c@3 {
+ reg = <0x3>;
+ };
+
+ i2c_poe: i2c@7 {
+ reg = <0x7>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led-status {
+ color = <LED_COLOR_ID_GREEN>;
+ function = LED_FUNCTION_STATUS;
+ gpios = <&gpio 61 GPIO_ACTIVE_LOW>;
+ };
+
+ led-sfp1-green {
+ color = <LED_COLOR_ID_GREEN>;
+ function = LED_FUNCTION_LAN;
+ function-enumerator = <0>;
+ gpios = <&sgpio_out 6 0 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ led-sfp1-yellow {
+ color = <LED_COLOR_ID_YELLOW>;
+ function = LED_FUNCTION_LAN;
+ function-enumerator = <0>;
+ gpios = <&sgpio_out 6 1 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ led-sfp2-green {
+ color = <LED_COLOR_ID_GREEN>;
+ function = LED_FUNCTION_LAN;
+ function-enumerator = <1>;
+ gpios = <&sgpio_out 7 0 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ led-sfp2-yellow {
+ color = <LED_COLOR_ID_YELLOW>;
+ function = LED_FUNCTION_LAN;
+ function-enumerator = <1>;
+ gpios = <&sgpio_out 7 1 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ led-sfp3-green {
+ color = <LED_COLOR_ID_GREEN>;
+ function = LED_FUNCTION_LAN;
+ function-enumerator = <2>;
+ gpios = <&sgpio_out 8 0 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ led-sfp3-yellow {
+ color = <LED_COLOR_ID_YELLOW>;
+ function = LED_FUNCTION_LAN;
+ function-enumerator = <2>;
+ gpios = <&sgpio_out 8 1 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ led-sfp4-green {
+ color = <LED_COLOR_ID_GREEN>;
+ function = LED_FUNCTION_LAN;
+ function-enumerator = <3>;
+ gpios = <&sgpio_out 9 0 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ led-sfp4-yellow {
+ color = <LED_COLOR_ID_YELLOW>;
+ function = LED_FUNCTION_LAN;
+ function-enumerator = <3>;
+ gpios = <&sgpio_out 9 1 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+ };
+
+ mux-controller {
+ compatible = "gpio-mux";
+ #mux-control-cells = <0>;
+
+ mux-gpios = <&sgpio_out 1 2 GPIO_ACTIVE_LOW>,
+ <&sgpio_out 1 3 GPIO_ACTIVE_LOW>;
+ };
+
+ sfp0: sfp0 {
+ compatible = "sff,sfp";
+ i2c-bus = <&i2c_sfp0>;
+ tx-disable-gpios = <&sgpio_out 6 2 GPIO_ACTIVE_HIGH>;
+ los-gpios = <&sgpio_in 6 0 GPIO_ACTIVE_HIGH>;
+ mod-def0-gpios = <&sgpio_in 6 1 GPIO_ACTIVE_LOW>;
+ tx-fault-gpios = <&sgpio_in 6 2 GPIO_ACTIVE_HIGH>;
+ };
+
+ sfp1: sfp1 {
+ compatible = "sff,sfp";
+ i2c-bus = <&i2c_sfp1>;
+ tx-disable-gpios = <&sgpio_out 7 2 GPIO_ACTIVE_HIGH>;
+ los-gpios = <&sgpio_in 7 0 GPIO_ACTIVE_HIGH>;
+ mod-def0-gpios = <&sgpio_in 7 1 GPIO_ACTIVE_LOW>;
+ tx-fault-gpios = <&sgpio_in 7 2 GPIO_ACTIVE_HIGH>;
+ };
+
+ sfp2: sfp2 {
+ compatible = "sff,sfp";
+ i2c-bus = <&i2c_sfp2>;
+ tx-disable-gpios = <&sgpio_out 8 2 GPIO_ACTIVE_HIGH>;
+ los-gpios = <&sgpio_in 8 0 GPIO_ACTIVE_HIGH>;
+ mod-def0-gpios = <&sgpio_in 8 1 GPIO_ACTIVE_LOW>;
+ tx-fault-gpios = <&sgpio_in 8 2 GPIO_ACTIVE_HIGH>;
+ };
+
+ sfp3: sfp3 {
+ compatible = "sff,sfp";
+ i2c-bus = <&i2c_sfp3>;
+ tx-disable-gpios = <&sgpio_out 9 2 GPIO_ACTIVE_HIGH>;
+ los-gpios = <&sgpio_in 9 0 GPIO_ACTIVE_HIGH>;
+ mod-def0-gpios = <&sgpio_in 9 1 GPIO_ACTIVE_LOW>;
+ tx-fault-gpios = <&sgpio_in 9 2 GPIO_ACTIVE_HIGH>;
+ };
+};
+
+&flx0 {
+ atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
+ status = "okay";
+};
+
+&usart0 {
+ pinctrl-0 = <&fc0_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&flx2 {
+ atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>;
+ status = "okay";
+};
+
+&spi2 {
+ pinctrl-0 = <&fc2_pins>;
+ pinctrl-names = "default";
+ cs-gpios = <&gpio 63 GPIO_ACTIVE_LOW>;
+ status = "okay";
+};
+
+&flx3 {
+ atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
+ status = "okay";
+};
+
+&i2c3 {
+ pinctrl-0 = <&fc3_pins>;
+ pinctrl-names = "default";
+ i2c-analog-filter;
+ i2c-digital-filter;
+ i2c-digital-filter-width-ns = <35>;
+ i2c-sda-hold-time-ns = <1500>;
+ status = "okay";
+};
+
+&gpio {
+ emmc_sd_pins: emmc-sd-pins {
+ /* eMMC_SD - CMD, CLK, D0, D1, D2, D3, D4, D5, D6, D7, RSTN */
+ pins = "GPIO_14", "GPIO_15", "GPIO_16", "GPIO_17",
+ "GPIO_18", "GPIO_19", "GPIO_20", "GPIO_21",
+ "GPIO_22", "GPIO_23", "GPIO_24";
+ function = "emmc_sd";
+ };
+
+ fan_pins: fan-pins {
+ pins = "GPIO_25", "GPIO_26";
+ function = "fan";
+ };
+
+ fc0_pins: fc0-pins {
+ pins = "GPIO_3", "GPIO_4";
+ function = "fc";
+ };
+
+ fc2_pins: fc2-pins {
+ pins = "GPIO_64", "GPIO_65", "GPIO_66";
+ function = "fc";
+ };
+
+ fc3_pins: fc3-pins {
+ pins = "GPIO_55", "GPIO_56";
+ function = "fc";
+ };
+
+ mdio_pins: mdio-pins {
+ pins = "GPIO_9", "GPIO_10";
+ function = "miim";
+ };
+
+ mdio_irq_pins: mdio-irq-pins {
+ pins = "GPIO_11";
+ function = "miim_irq";
+ };
+
+ sgpio_pins: sgpio-pins {
+ /* SCK, D0, D1, LD */
+ pins = "GPIO_5", "GPIO_6", "GPIO_7", "GPIO_8";
+ function = "sgpio_a";
+ };
+
+ usb_ulpi_pins: usb-ulpi-pins {
+ pins = "GPIO_30", "GPIO_31", "GPIO_32", "GPIO_33",
+ "GPIO_34", "GPIO_35", "GPIO_36", "GPIO_37",
+ "GPIO_38", "GPIO_39", "GPIO_40", "GPIO_41";
+ function = "usb_ulpi";
+ };
+
+ usb_rst_pins: usb-rst-pins {
+ pins = "GPIO_12";
+ function = "usb2phy_rst";
+ };
+
+ usb_over_pins: usb-over-pins {
+ pins = "GPIO_13";
+ function = "usb_over_detect";
+ };
+
+ usb_power_pins: usb-power-pins {
+ pins = "GPIO_1";
+ function = "usb_power";
+ };
+
+ ptp_out_pins: ptp-out-pins {
+ pins = "GPIO_58";
+ function = "ptpsync_4";
+ };
+
+ ptp_ext_pins: ptp-ext-pins {
+ pins = "GPIO_59";
+ function = "ptpsync_5";
+ };
+};
+
+&tmon {
+ pinctrl-0 = <&fan_pins>;
+ pinctrl-names = "default";
+};
+
+&mdio0 {
+ pinctrl-0 = <&mdio_pins>, <&mdio_irq_pins>;
+ pinctrl-names = "default";
+ reset-gpios = <&gpio 62 GPIO_ACTIVE_LOW>;
+ status = "okay";
+
+ phy3: phy@3 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <3>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy4: phy@4 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <4>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy5: phy@5 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <5>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy6: phy@6 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <6>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy7: phy@7 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <7>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy8: phy@8 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <8>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy9: phy@9 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <9>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy10: phy@10 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <10>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy11: phy@11 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <11>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy12: phy@12 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <12>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy13: phy@13 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <13>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy14: phy@14 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <14>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy15: phy@15 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <15>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy16: phy@16 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <16>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy17: phy@17 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <17>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy18: phy@18 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <18>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy19: phy@19 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <19>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy20: phy@20 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <20>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy21: phy@21 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <21>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy22: phy@22 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <22>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy23: phy@23 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <23>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy24: phy@24 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <24>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy25: phy@25 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <25>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy26: phy@26 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <26>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+
+ phy27: phy@27 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <27>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-parent = <&gpio>;
+ };
+};
+
+&serdes {
+ status = "okay";
+};
+
+&sgpio {
+ pinctrl-0 = <&sgpio_pins>;
+ pinctrl-names = "default";
+
+ microchip,sgpio-port-ranges = <0 1>, <6 9>;
+ status = "okay";
+
+ gpio@0 {
+ ngpios = <128>;
+ };
+ gpio@1 {
+ ngpios = <128>;
+ };
+};
+
+&switch {
+ pinctrl-0 = <&ptp_out_pins>, <&ptp_ext_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+ ethernet-ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port0: port@0 {
+ reg = <0>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy4>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 0>;
+ };
+
+ port1: port@1 {
+ reg = <1>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy5>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 0>;
+ };
+
+ port2: port@2 {
+ reg = <2>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy6>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 0>;
+ };
+
+ port3: port@3 {
+ reg = <3>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy7>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 0>;
+ };
+
+ port4: port@4 {
+ reg = <4>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy8>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 1>;
+ };
+
+ port5: port@5 {
+ reg = <5>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy9>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 1>;
+ };
+
+ port6: port@6 {
+ reg = <6>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy10>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 1>;
+ };
+
+ port7: port@7 {
+ reg = <7>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy11>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 1>;
+ };
+
+ port8: port@8 {
+ reg = <8>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy12>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 2>;
+ };
+
+ port9: port@9 {
+ reg = <9>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy13>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 2>;
+ };
+
+ port10: port@10 {
+ reg = <10>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy14>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 2>;
+ };
+
+ port11: port@11 {
+ reg = <11>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy15>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 2>;
+ };
+
+ port12: port@12 {
+ reg = <12>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy16>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 3>;
+ };
+
+ port13: port@13 {
+ reg = <13>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy17>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 3>;
+ };
+
+ port14: port@14 {
+ reg = <14>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy18>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 3>;
+ };
+
+ port15: port@15 {
+ reg = <15>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy19>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 3>;
+ };
+
+ port16: port@16 {
+ reg = <16>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy20>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 4>;
+ };
+
+ port17: port@17 {
+ reg = <17>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy21>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 4>;
+ };
+
+ port18: port@18 {
+ reg = <18>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy22>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 4>;
+ };
+
+ port19: port@19 {
+ reg = <19>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy23>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 4>;
+ };
+
+ port20: port@20 {
+ reg = <20>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy24>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 5>;
+ };
+
+ port21: port@21 {
+ reg = <21>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy25>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 5>;
+ };
+
+ port22: port@22 {
+ reg = <22>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy26>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 5>;
+ };
+
+ port23: port@23 {
+ reg = <23>;
+ microchip,bandwidth = <1000>;
+ phy-handle = <&phy27>;
+ phy-mode = "qsgmii";
+ phys = <&serdes 5>;
+ };
+
+ port24: port@24 {
+ reg = <24>;
+ microchip,bandwidth = <10000>;
+ phys = <&serdes 6>;
+ phy-mode = "10gbase-r";
+ sfp = <&sfp0>;
+ microchip,sd-sgpio = <24>;
+ managed = "in-band-status";
+ };
+
+ port25: port@25 {
+ reg = <25>;
+ microchip,bandwidth = <10000>;
+ phys = <&serdes 7>;
+ phy-mode = "10gbase-r";
+ sfp = <&sfp1>;
+ microchip,sd-sgpio = <28>;
+ managed = "in-band-status";
+ };
+
+ port26: port@26 {
+ reg = <26>;
+ microchip,bandwidth = <10000>;
+ phys = <&serdes 8>;
+ phy-mode = "10gbase-r";
+ sfp = <&sfp2>;
+ microchip,sd-sgpio = <32>;
+ managed = "in-band-status";
+ };
+
+ port27: port@27 {
+ reg = <27>;
+ microchip,bandwidth = <10000>;
+ phys = <&serdes 9>;
+ phy-mode = "10gbase-r";
+ sfp = <&sfp3>;
+ microchip,sd-sgpio = <36>;
+ managed = "in-band-status";
+ };
+
+ port29: port@29 {
+ reg = <29>;
+ microchip,bandwidth = <1000>;
+ phys = <&serdes 11>;
+ phy-handle = <&phy3>;
+ phy-mode = "rgmii";
+ rx-internal-delay-ps = <1000>;
+ tx-internal-delay-ps = <1000>;
+ };
+ };
+};
+
+&usb {
+ status = "okay";
+ pinctrl-0 = <&usb_ulpi_pins>, <&usb_rst_pins>, <&usb_over_pins>, <&usb_power_pins>;
+ pinctrl-names = "default";
+};
diff --git a/arch/arm64/boot/dts/microchip/lan969x.dtsi b/arch/arm64/boot/dts/microchip/lan969x.dtsi
new file mode 100644
index 000000000000..39ea1999c801
--- /dev/null
+++ b/arch/arm64/boot/dts/microchip/lan969x.dtsi
@@ -0,0 +1,482 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2025 Microchip Technology Inc. and its subsidiaries.
+ */
+
+#include <dt-bindings/clock/microchip,lan969x.h>
+#include <dt-bindings/dma/at91.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/mfd/at91-usart.h>
+#include <dt-bindings/mfd/atmel-flexcom.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ model = "Microchip LAN969x";
+ compatible = "microchip,lan969x";
+ interrupt-parent = <&gic>;
+
+ psci {
+ compatible = "arm,psci-1.0";
+ method = "smc";
+ };
+
+ clocks {
+ fx100_clk: fx100-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <320000000>;
+ };
+
+ cpu_clk: cpu-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <1000000000>;
+ };
+
+ ddr_clk: ddr-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <600000000>;
+ };
+
+ fabric_clk: fabric-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <250000000>;
+ };
+ };
+
+ cpus {
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ cpu0: cpu@0 {
+ compatible = "arm,cortex-a53";
+ device_type = "cpu";
+ reg = <0x0 0x0>;
+ next-level-cache = <&l2_0>;
+ };
+
+ l2_0: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ };
+ };
+
+ pmu {
+ compatible = "arm,cortex-a53-pmu";
+ interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>, /* Secure Phys IRQ */
+ <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>, /* Non-secure Phys IRQ */
+ <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>, /* Virt IRQ */
+ <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>; /* Hyp IRQ */
+ };
+
+ axi: axi {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ usb: usb@...000 {
+ compatible = "microchip,lan9691-dwc3", "snps,dwc3";
+ reg = <0x300000 0x80000>;
+ interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clks GCK_GATE_USB_DRD>,
+ <&clks GCK_ID_USB_REFCLK>;
+ clock-names = "bus_early", "ref";
+ assigned-clocks = <&clks GCK_ID_USB_REFCLK>;
+ assigned-clock-rates = <60000000>;
+ maximum-speed = "high-speed";
+ dr_mode = "host";
+ status = "disabled";
+ };
+
+ flx0: flexcom@...40000 {
+ compatible = "atmel,sama5d2-flexcom";
+ reg = <0xe0040000 0x100>;
+ clocks = <&clks GCK_ID_FLEXCOM0>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0xe0040000 0x800>;
+ status = "disabled";
+
+ usart0: serial@200 {
+ compatible = "atmel,at91sam9260-usart";
+ reg = <0x200 0x200>;
+ atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
+ interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma AT91_XDMAC_DT_PERID(3)>,
+ <&dma AT91_XDMAC_DT_PERID(2)>;
+ dma-names = "tx", "rx";
+ clocks = <&fabric_clk>;
+ clock-names = "usart";
+ atmel,fifo-size = <32>;
+ status = "disabled";
+ };
+
+ spi0: spi@400 {
+ compatible = "atmel,at91rm9200-spi";
+ reg = <0x400 0x200>;
+ interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma AT91_XDMAC_DT_PERID(3)>,
+ <&dma AT91_XDMAC_DT_PERID(2)>;
+ dma-names = "tx", "rx";
+ clocks = <&fabric_clk>;
+ clock-names = "spi_clk";
+ atmel,fifo-size = <32>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c0: i2c@600 {
+ compatible = "microchip,sam9x60-i2c";
+ reg = <0x600 0x200>;
+ interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma AT91_XDMAC_DT_PERID(3)>,
+ <&dma AT91_XDMAC_DT_PERID(2)>;
+ dma-names = "tx", "rx";
+ clocks = <&fabric_clk>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+ };
+
+ flx1: flexcom@...44000 {
+ compatible = "atmel,sama5d2-flexcom";
+ reg = <0xe0044000 0x100>;
+ clocks = <&clks GCK_ID_FLEXCOM1>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0xe0044000 0x800>;
+ status = "disabled";
+
+ usart1: serial@200 {
+ compatible = "atmel,at91sam9260-usart";
+ reg = <0x200 0x200>;
+ atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
+ interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma AT91_XDMAC_DT_PERID(3)>,
+ <&dma AT91_XDMAC_DT_PERID(2)>;
+ dma-names = "tx", "rx";
+ clocks = <&fabric_clk>;
+ clock-names = "usart";
+ atmel,fifo-size = <32>;
+ status = "disabled";
+ };
+
+ spi1: spi@400 {
+ compatible = "atmel,at91rm9200-spi";
+ reg = <0x400 0x200>;
+ interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma AT91_XDMAC_DT_PERID(3)>,
+ <&dma AT91_XDMAC_DT_PERID(2)>;
+ dma-names = "tx", "rx";
+ clocks = <&fabric_clk>;
+ clock-names = "spi_clk";
+ atmel,fifo-size = <32>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c1: i2c@600 {
+ compatible = "microchip,sam9x60-i2c";
+ reg = <0x600 0x200>;
+ interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma AT91_XDMAC_DT_PERID(3)>,
+ <&dma AT91_XDMAC_DT_PERID(2)>;
+ dma-names = "tx", "rx";
+ clocks = <&fabric_clk>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+ };
+
+ trng: rng@...48000 {
+ compatible = "atmel,at91sam9g45-trng";
+ reg = <0xe0048000 0x100>;
+ clocks = <&fabric_clk>;
+ status = "disabled";
+ };
+
+ aes: crypto@...4c000 {
+ compatible = "atmel,at91sam9g46-aes";
+ reg = <0xe004c000 0x100>;
+ interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma AT91_XDMAC_DT_PERID(12)>,
+ <&dma AT91_XDMAC_DT_PERID(13)>;
+ dma-names = "tx", "rx";
+ clocks = <&fabric_clk>;
+ clock-names = "aes_clk";
+ status = "disabled";
+ };
+
+ flx2: flexcom@...60000 {
+ compatible = "atmel,sama5d2-flexcom";
+ reg = <0xe0060000 0x100>;
+ clocks = <&clks GCK_ID_FLEXCOM2>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0xe0060000 0x800>;
+ status = "disabled";
+
+ usart2: serial@200 {
+ compatible = "atmel,at91sam9260-usart";
+ reg = <0x200 0x200>;
+ atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
+ interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma AT91_XDMAC_DT_PERID(7)>,
+ <&dma AT91_XDMAC_DT_PERID(6)>;
+ dma-names = "tx", "rx";
+ clocks = <&fabric_clk>;
+ clock-names = "usart";
+ atmel,fifo-size = <32>;
+ status = "disabled";
+ };
+
+ spi2: spi@400 {
+ compatible = "atmel,at91rm9200-spi";
+ reg = <0x400 0x200>;
+ interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma AT91_XDMAC_DT_PERID(7)>,
+ <&dma AT91_XDMAC_DT_PERID(6)>;
+ dma-names = "tx", "rx";
+ clocks = <&fabric_clk>;
+ clock-names = "spi_clk";
+ atmel,fifo-size = <32>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c2: i2c@600 {
+ compatible = "microchip,sam9x60-i2c";
+ reg = <0x600 0x200>;
+ interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&fabric_clk>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+ };
+
+ flx3: flexcom@...64000 {
+ compatible = "atmel,sama5d2-flexcom";
+ reg = <0xe0064000 0x100>;
+ clocks = <&clks GCK_ID_FLEXCOM3>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0xe0064000 0x800>;
+ status = "disabled";
+
+ usart3: serial@200 {
+ compatible = "atmel,at91sam9260-usart";
+ reg = <0x200 0x200>;
+ atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
+ interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma AT91_XDMAC_DT_PERID(9)>,
+ <&dma AT91_XDMAC_DT_PERID(8)>;
+ dma-names = "tx", "rx";
+ clocks = <&fabric_clk>;
+ clock-names = "usart";
+ atmel,fifo-size = <32>;
+ status = "disabled";
+ };
+
+ spi3: spi@400 {
+ compatible = "atmel,at91rm9200-spi";
+ reg = <0x400 0x200>;
+ interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma AT91_XDMAC_DT_PERID(9)>,
+ <&dma AT91_XDMAC_DT_PERID(8)>;
+ dma-names = "tx", "rx";
+ clocks = <&fabric_clk>;
+ clock-names = "spi_clk";
+ atmel,fifo-size = <32>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c3: i2c@600 {
+ compatible = "microchip,sam9x60-i2c";
+ reg = <0x600 0x200>;
+ interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma AT91_XDMAC_DT_PERID(9)>,
+ <&dma AT91_XDMAC_DT_PERID(8)>;
+ dma-names = "tx", "rx";
+ clocks = <&fabric_clk>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+ };
+
+ dma: dma-controller@...68000 {
+ compatible = "microchip,sama7g5-dma";
+ reg = <0xe0068000 0x1000>;
+ interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+ dma-channels = <16>;
+ #dma-cells = <1>;
+ clocks = <&fabric_clk>;
+ clock-names = "dma_clk";
+ };
+
+ sha: crypto@...6c000 {
+ compatible = "atmel,at91sam9g46-sha";
+ reg = <0xe006c000 0xec>;
+ interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma AT91_XDMAC_DT_PERID(14)>;
+ dma-names = "tx";
+ clocks = <&fabric_clk>;
+ clock-names = "sha_clk";
+ status = "disabled";
+ };
+
+ timer: timer@...8c000 {
+ compatible = "snps,dw-apb-timer";
+ reg = <0xe008c000 0x400>;
+ clocks = <&fabric_clk>;
+ clock-names = "timer";
+ interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
+ watchdog: watchdog@...90000 {
+ compatible = "snps,dw-wdt";
+ reg = <0xe0090000 0x1000>;
+ interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&fabric_clk>;
+ };
+
+ cpu_ctrl: syscon@...c0000 {
+ compatible = "microchip,lan966x-cpu-syscon", "syscon";
+ reg = <0xe00c0000 0x350>;
+ };
+
+ switch: switch@...c0000 {
+ compatible = "microchip,lan9691-switch";
+ reg = <0xe00c0000 0x0010000>,
+ <0xe2010000 0x1410000>;
+ reg-names = "cpu", "devices";
+ interrupt-names = "xtr", "fdma", "ptp";
+ interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&reset 0>;
+ reset-names = "switch";
+ status = "disabled";
+ };
+
+ clks: clock-controller@...c00b4 {
+ compatible = "microchip,lan9691-gck";
+ #clock-cells = <1>;
+ clocks = <&cpu_clk>, <&ddr_clk>, <&fx100_clk>;
+ clock-names = "cpu", "ddr", "sys";
+ reg = <0xe00c00b4 0x30>, <0xe00c0308 0x4>;
+ };
+
+ reset: reset-controller@...1000c {
+ compatible = "microchip,lan9691-switch-reset",
+ "microchip,lan966x-switch-reset";
+ reg = <0xe201000c 0x4>;
+ reg-names = "gcb";
+ #reset-cells = <1>;
+ cpu-syscon = <&cpu_ctrl>;
+ };
+
+ gpio: pinctrl@...100d4 {
+ compatible = "microchip,lan9691-pinctrl";
+ reg = <0xe20100d4 0xd4>,
+ <0xe2010370 0xa8>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&gpio 0 0 66>;
+ interrupt-controller;
+ interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
+ #interrupt-cells = <2>;
+ };
+
+ mdio0: mdio@...101a8 {
+ compatible = "mscc,ocelot-miim";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xe20101a8 0x24>;
+ clocks = <&fx100_clk>;
+ status = "disabled";
+ };
+
+ mdio1: mdio@...101cc {
+ compatible = "mscc,ocelot-miim";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0xe20101cc 0x24>;
+ clocks = <&fx100_clk>;
+ status = "disabled";
+ };
+
+ sgpio: gpio@...10230 {
+ compatible = "microchip,sparx5-sgpio";
+ reg = <0xe2010230 0x118>;
+ clocks = <&fx100_clk>;
+ resets = <&reset 0>;
+ reset-names = "switch";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+
+ sgpio_in: gpio@0 {
+ compatible = "microchip,sparx5-sgpio-bank";
+ reg = <0>;
+ gpio-controller;
+ #gpio-cells = <3>;
+ interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ };
+
+ sgpio_out: gpio@1 {
+ compatible = "microchip,sparx5-sgpio-bank";
+ reg = <1>;
+ gpio-controller;
+ #gpio-cells = <3>;
+ };
+ };
+
+ tmon: hwmon@...20100 {
+ compatible = "microchip,sparx5-temp";
+ reg = <0xe2020100 0xc>;
+ clocks = <&fx100_clk>;
+ #thermal-sensor-cells = <0>;
+ };
+
+ serdes: serdes@...10000 {
+ compatible = "microchip,lan9691-serdes";
+ #phy-cells = <1>;
+ clocks = <&fabric_clk>;
+ reg = <0xe3410000 0x150000>;
+ };
+
+ gic: interrupt-controller@...11000 {
+ compatible = "arm,gic-400";
+ #interrupt-cells = <3>;
+ interrupt-controller;
+ reg = <0xe8c11000 0x1000>, /* Distributor GICD_ */
+ <0xe8c12000 0x2000>, /* CPU interface GICC_ */
+ <0xe8c14000 0x2000>, /* Virt interface control */
+ <0xe8c16000 0x2000>; /* Virt CPU interface */
+ interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+};
--
2.52.0
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