]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
arm64: dts: microchip: add LAN969x support
authorRobert Marko <robert.marko@sartura.hr>
Mon, 2 Mar 2026 11:20:12 +0000 (12:20 +0100)
committerClaudiu Beznea <claudiu.beznea@tuxon.dev>
Fri, 20 Mar 2026 08:56:20 +0000 (10:56 +0200)
Add support for Microchip LAN969x switch SoC series by adding the SoC DTSI.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Acked-by: Daniel Machon <daniel.machon@microchip.com>
Link: https://lore.kernel.org/r/20260302112153.464422-5-robert.marko@sartura.hr
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
arch/arm64/boot/dts/microchip/lan9691.dtsi [new file with mode: 0644]

diff --git a/arch/arm64/boot/dts/microchip/lan9691.dtsi b/arch/arm64/boot/dts/microchip/lan9691.dtsi
new file mode 100644 (file)
index 0000000..235e56b
--- /dev/null
@@ -0,0 +1,488 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2025 Microchip Technology Inc. and its subsidiaries.
+ */
+
+#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>
+
+#include "clk-lan9691.h"
+
+/ {
+       #address-cells = <1>;
+       #size-cells = <1>;
+
+       model = "Microchip LAN969x";
+       compatible = "microchip,lan9691";
+       interrupt-parent = <&gic>;
+
+       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;
+               };
+       };
+
+       psci {
+               compatible = "arm,psci-1.0";
+               method = "smc";
+       };
+
+       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@300000 {
+                       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@e0040000 {
+                       compatible = "microchip,lan9691-flexcom", "atmel,sama5d2-flexcom";
+                       reg = <0xe0040000 0x100>;
+                       ranges = <0x0 0xe0040000 0x800>;
+                       clocks = <&clks GCK_ID_FLEXCOM0>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       status = "disabled";
+
+                       usart0: serial@200 {
+                               compatible = "microchip,lan9691-usart", "atmel,at91sam9260-usart";
+                               reg = <0x200 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 = "usart";
+                               atmel,fifo-size = <32>;
+                               atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
+                               status = "disabled";
+                       };
+
+                       spi0: spi@400 {
+                               compatible = "microchip,lan9691-spi", "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";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               atmel,fifo-size = <32>;
+                               status = "disabled";
+                       };
+
+                       i2c0: i2c@600 {
+                               compatible = "microchip,lan9691-i2c", "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@e0044000 {
+                       compatible = "microchip,lan9691-flexcom", "atmel,sama5d2-flexcom";
+                       reg = <0xe0044000 0x100>;
+                       ranges = <0x0 0xe0044000 0x800>;
+                       clocks = <&clks GCK_ID_FLEXCOM1>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       status = "disabled";
+
+                       usart1: serial@200 {
+                               compatible = "microchip,lan9691-usart", "atmel,at91sam9260-usart";
+                               reg = <0x200 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 = "usart";
+                               atmel,fifo-size = <32>;
+                               atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
+                               status = "disabled";
+                       };
+
+                       spi1: spi@400 {
+                               compatible = "microchip,lan9691-spi", "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";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               atmel,fifo-size = <32>;
+                               status = "disabled";
+                       };
+
+                       i2c1: i2c@600 {
+                               compatible = "microchip,lan9691-i2c", "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@e0048000 {
+                       compatible = "microchip,lan9691-trng", "atmel,at91sam9g45-trng";
+                       reg = <0xe0048000 0x100>;
+                       clocks = <&fabric_clk>;
+                       status = "disabled";
+               };
+
+               aes: crypto@e004c000 {
+                       compatible = "microchip,lan9691-aes", "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@e0060000 {
+                       compatible = "microchip,lan9691-flexcom", "atmel,sama5d2-flexcom";
+                       reg = <0xe0060000 0x100>;
+                       ranges = <0x0 0xe0060000 0x800>;
+                       clocks = <&clks GCK_ID_FLEXCOM2>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       status = "disabled";
+
+                       usart2: serial@200 {
+                               compatible = "microchip,lan9691-usart", "atmel,at91sam9260-usart";
+                               reg = <0x200 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 = "usart";
+                               atmel,fifo-size = <32>;
+                               atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
+                               status = "disabled";
+                       };
+
+                       spi2: spi@400 {
+                               compatible = "microchip,lan9691-spi", "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";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               atmel,fifo-size = <32>;
+                               status = "disabled";
+                       };
+
+                       i2c2: i2c@600 {
+                               compatible = "microchip,lan9691-i2c", "microchip,sam9x60-i2c";
+                               reg = <0x600 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>;
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               status = "disabled";
+                       };
+               };
+
+               flx3: flexcom@e0064000 {
+                       compatible = "microchip,lan9691-flexcom", "atmel,sama5d2-flexcom";
+                       reg = <0xe0064000 0x100>;
+                       ranges = <0x0 0xe0064000 0x800>;
+                       clocks = <&clks GCK_ID_FLEXCOM3>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+                       status = "disabled";
+
+                       usart3: serial@200 {
+                               compatible = "microchip,lan9691-usart", "atmel,at91sam9260-usart";
+                               reg = <0x200 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 = "usart";
+                               atmel,fifo-size = <32>;
+                               atmel,usart-mode = <AT91_USART_MODE_SERIAL>;
+                               status = "disabled";
+                       };
+
+                       spi3: spi@400 {
+                               compatible = "microchip,lan9691-spi", "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";
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               atmel,fifo-size = <32>;
+                               status = "disabled";
+                       };
+
+                       i2c3: i2c@600 {
+                               compatible = "microchip,lan9691-i2c", "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@e0068000 {
+                       compatible = "microchip,lan9691-dma", "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@e006c000 {
+                       compatible = "microchip,lan9691-sha", "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@e008c000 {
+                       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@e0090000 {
+                       compatible = "snps,dw-wdt";
+                       reg = <0xe0090000 0x1000>;
+                       interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&fabric_clk>;
+               };
+
+               cpu_ctrl: syscon@e00c0000 {
+                       compatible = "microchip,lan966x-cpu-syscon", "syscon";
+                       reg = <0xe00c0000 0x350>;
+               };
+
+               switch: switch@e00c0000 {
+                       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@e00c00b4 {
+                       compatible = "microchip,lan9691-gck";
+                       reg = <0xe00c00b4 0x30>, <0xe00c0308 0x4>;
+                       #clock-cells = <1>;
+                       clocks = <&cpu_clk>, <&ddr_clk>, <&fx100_clk>;
+                       clock-names = "cpu", "ddr", "sys";
+               };
+
+               reset: reset-controller@e201000c {
+                       compatible = "microchip,lan9691-switch-reset",
+                                    "microchip,lan966x-switch-reset";
+                       reg = <0xe201000c 0x4>;
+                       reg-names = "gcb";
+                       #reset-cells = <1>;
+                       cpu-syscon = <&cpu_ctrl>;
+               };
+
+               gpio: pinctrl@e20100d4 {
+                       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@e20101a8 {
+                       compatible = "microchip,lan9691-miim", "mscc,ocelot-miim";
+                       reg = <0xe20101a8 0x24>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       clocks = <&fx100_clk>;
+                       status = "disabled";
+               };
+
+               mdio1: mdio@e20101cc {
+                       compatible = "microchip,lan9691-miim", "mscc,ocelot-miim";
+                       reg = <0xe20101cc 0x24>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       clocks = <&fx100_clk>;
+                       status = "disabled";
+               };
+
+               sgpio: gpio@e2010230 {
+                       compatible = "microchip,lan9691-sgpio", "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,lan9691-sgpio-bank",
+                                            "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,lan9691-sgpio-bank",
+                                            "microchip,sparx5-sgpio-bank";
+                               reg = <1>;
+                               gpio-controller;
+                               #gpio-cells = <3>;
+                       };
+               };
+
+               tmon: hwmon@e2020100 {
+                       compatible = "microchip,lan9691-temp", "microchip,sparx5-temp";
+                       reg = <0xe2020100 0xc>;
+                       clocks = <&fx100_clk>;
+                       #thermal-sensor-cells = <0>;
+               };
+
+               serdes: serdes@e3410000 {
+                       compatible = "microchip,lan9691-serdes";
+                       reg = <0xe3410000 0x150000>;
+                       #phy-cells = <1>;
+                       clocks = <&fabric_clk>;
+               };
+
+               gic: interrupt-controller@e8c11000 {
+                       compatible = "arm,gic-400";
+                       reg = <0xe8c11000 0x1000>, /* Distributor GICD_ */
+                             <0xe8c12000 0x2000>, /* CPU interface GICC_ */
+                             <0xe8c14000 0x2000>, /* Virt interface control */
+                             <0xe8c16000 0x2000>; /* Virt CPU interface */
+                       #interrupt-cells = <3>;
+                       interrupt-controller;
+                       interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+               };
+       };
+};