| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Device Tree file for ITian Square One SQ201 NAS |
| */ |
| |
| /dts-v1/; |
| |
| #include "gemini.dtsi" |
| #include <dt-bindings/input/input.h> |
| |
| / { |
| model = "ITian Square One SQ201"; |
| compatible = "itian,sq201", "cortina,gemini"; |
| #address-cells = <1>; |
| #size-cells = <1>; |
| |
| memory@0 { /* 128 MB */ |
| device_type = "memory"; |
| reg = <0x00000000 0x8000000>; |
| }; |
| |
| chosen { |
| bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait"; |
| stdout-path = &uart0; |
| }; |
| |
| gpio_keys { |
| compatible = "gpio-keys"; |
| |
| button-setup { |
| debounce-interval = <100>; |
| wakeup-source; |
| linux,code = <KEY_SETUP>; |
| label = "factory reset"; |
| /* Conflict with NAND flash */ |
| gpios = <&gpio0 18 GPIO_ACTIVE_LOW>; |
| }; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| led-green-info { |
| label = "sq201:green:info"; |
| gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>; |
| default-state = "on"; |
| linux,default-trigger = "heartbeat"; |
| }; |
| led-green-usb { |
| label = "sq201:green:usb"; |
| gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; |
| default-state = "off"; |
| linux,default-trigger = "usb-host"; |
| }; |
| }; |
| |
| mdio0: mdio { |
| compatible = "virtual,mdio-gpio"; |
| /* Uses MDC and MDIO */ |
| gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */ |
| <&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */ |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| /* This is a Marvell 88E1111 ethernet transciever */ |
| phy0: ethernet-phy@1 { |
| reg = <1>; |
| }; |
| }; |
| |
| spi { |
| compatible = "spi-gpio"; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| /* Check pin collisions */ |
| gpio-sck = <&gpio1 28 GPIO_ACTIVE_HIGH>; |
| gpio-miso = <&gpio1 30 GPIO_ACTIVE_HIGH>; |
| gpio-mosi = <&gpio1 29 GPIO_ACTIVE_HIGH>; |
| cs-gpios = <&gpio1 31 GPIO_ACTIVE_HIGH>; |
| num-chipselects = <1>; |
| |
| switch@0 { |
| compatible = "vitesse,vsc7395"; |
| reg = <0>; |
| /* Specified for 2.5 MHz or below */ |
| spi-max-frequency = <2500000>; |
| gpio-controller; |
| #gpio-cells = <2>; |
| |
| ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| port@0 { |
| reg = <0>; |
| label = "lan1"; |
| }; |
| port@1 { |
| reg = <1>; |
| label = "lan2"; |
| }; |
| port@2 { |
| reg = <2>; |
| label = "lan3"; |
| }; |
| port@3 { |
| reg = <3>; |
| label = "lan4"; |
| }; |
| vsc: port@6 { |
| reg = <6>; |
| label = "cpu"; |
| ethernet = <&gmac1>; |
| phy-mode = "rgmii"; |
| fixed-link { |
| speed = <1000>; |
| full-duplex; |
| pause; |
| }; |
| }; |
| }; |
| }; |
| }; |
| |
| |
| soc { |
| flash@30000000 { |
| status = "okay"; |
| pinctrl-names = "enabled", "disabled"; |
| pinctrl-0 = <&pflash_default_pins>; |
| pinctrl-1 = <&pflash_disabled_pins>; |
| /* 16MB of flash */ |
| reg = <0x30000000 0x01000000>; |
| |
| partitions { |
| compatible = "redboot-fis"; |
| /* Eraseblock at 0xfe0000 */ |
| fis-index-block = <0x1fc>; |
| }; |
| }; |
| |
| syscon: syscon@40000000 { |
| pinctrl { |
| /* |
| * gpio0fgrp cover line 18 used by reset button |
| * gpio0ggrp cover line 20 used by info LED |
| * gpio0hgrp cover line 21, 22 used by MDIO for Marvell PHY |
| * gpio0kgrp cover line 31 used by USB LED |
| */ |
| gpio0_default_pins: pinctrl-gpio0 { |
| mux { |
| function = "gpio0"; |
| groups = "gpio0fgrp", |
| "gpio0hgrp"; |
| }; |
| }; |
| /* |
| * gpio0dgrp cover lines used by the SPI |
| * to the Vitesse G5x chip. |
| */ |
| gpio1_default_pins: pinctrl-gpio1 { |
| mux { |
| function = "gpio1"; |
| groups = "gpio1dgrp"; |
| }; |
| }; |
| /* |
| * These GPIO groups will be mapped in over some |
| * of the flash pins when the flash is not in |
| * active use. |
| */ |
| pflash_disabled_pins: pinctrl-pflash-disabled { |
| mux { |
| function = "gpio0"; |
| groups = "gpio0ggrp", "gpio0igrp", "gpio0jgrp", |
| "gpio0kgrp"; |
| }; |
| }; |
| pinctrl-gmii { |
| mux { |
| function = "gmii"; |
| groups = "gmii_gmac0_grp", "gmii_gmac1_grp"; |
| }; |
| /* Settings come from memory dump in PLATO */ |
| conf0 { |
| pins = "V8 GMAC0 RXDV"; |
| skew-delay = <0>; |
| }; |
| conf1 { |
| pins = "Y7 GMAC0 RXC"; |
| skew-delay = <15>; |
| }; |
| conf2 { |
| pins = "T8 GMAC0 TXEN"; |
| skew-delay = <7>; |
| }; |
| conf3 { |
| pins = "U8 GMAC0 TXC"; |
| skew-delay = <10>; |
| }; |
| conf4 { |
| pins = "T10 GMAC1 RXDV"; |
| skew-delay = <7>; |
| }; |
| conf5 { |
| pins = "Y11 GMAC1 RXC"; |
| skew-delay = <8>; |
| }; |
| conf6 { |
| pins = "W11 GMAC1 TXEN"; |
| skew-delay = <7>; |
| }; |
| conf7 { |
| pins = "V11 GMAC1 TXC"; |
| skew-delay = <5>; |
| }; |
| conf8 { |
| /* The data lines all have default skew */ |
| pins = "W8 GMAC0 RXD0", "V9 GMAC0 RXD1", |
| "Y8 GMAC0 RXD2", "U9 GMAC0 RXD3", |
| "T7 GMAC0 TXD0", "U6 GMAC0 TXD1", |
| "V7 GMAC0 TXD2", "U7 GMAC0 TXD3", |
| "Y12 GMAC1 RXD0", "V12 GMAC1 RXD1", |
| "T11 GMAC1 RXD2", "W12 GMAC1 RXD3", |
| "U10 GMAC1 TXD0", "Y10 GMAC1 TXD1", |
| "W10 GMAC1 TXD2", "T9 GMAC1 TXD3"; |
| skew-delay = <7>; |
| }; |
| /* Set up drive strength on GMAC0 and GMAC1 to 16 mA */ |
| conf9 { |
| groups = "gmii_gmac0_grp", "gmii_gmac1_grp"; |
| drive-strength = <16>; |
| }; |
| }; |
| }; |
| }; |
| |
| sata: sata@46000000 { |
| cortina,gemini-ata-muxmode = <0>; |
| cortina,gemini-enable-sata-bridge; |
| status = "okay"; |
| }; |
| |
| gpio0: gpio@4d000000 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&gpio0_default_pins>; |
| }; |
| |
| gpio1: gpio@4e000000 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&gpio1_default_pins>; |
| }; |
| |
| pci@50000000 { |
| status = "okay"; |
| interrupt-map-mask = <0xf800 0 0 7>; |
| interrupt-map = |
| <0x4800 0 0 1 &pci_intc 0>, /* Slot 9 */ |
| <0x4800 0 0 2 &pci_intc 1>, |
| <0x4800 0 0 3 &pci_intc 2>, |
| <0x4800 0 0 4 &pci_intc 3>, |
| <0x5000 0 0 1 &pci_intc 1>, /* Slot 10 */ |
| <0x5000 0 0 2 &pci_intc 2>, |
| <0x5000 0 0 3 &pci_intc 3>, |
| <0x5000 0 0 4 &pci_intc 0>, |
| <0x5800 0 0 1 &pci_intc 2>, /* Slot 11 */ |
| <0x5800 0 0 2 &pci_intc 3>, |
| <0x5800 0 0 3 &pci_intc 0>, |
| <0x5800 0 0 4 &pci_intc 1>, |
| <0x6000 0 0 1 &pci_intc 3>, /* Slot 12 */ |
| <0x6000 0 0 2 &pci_intc 0>, |
| <0x6000 0 0 3 &pci_intc 1>, |
| <0x6000 0 0 4 &pci_intc 2>; |
| }; |
| |
| ethernet@60000000 { |
| status = "okay"; |
| |
| ethernet-port@0 { |
| phy-mode = "rgmii"; |
| phy-handle = <&phy0>; |
| }; |
| ethernet-port@1 { |
| phy-mode = "rgmii"; |
| fixed-link { |
| speed = <1000>; |
| full-duplex; |
| pause; |
| }; |
| }; |
| }; |
| |
| ide@63000000 { |
| status = "okay"; |
| }; |
| |
| usb@68000000 { |
| status = "okay"; |
| }; |
| |
| usb@69000000 { |
| status = "okay"; |
| }; |
| }; |
| }; |
