diff options
Diffstat (limited to 'arch/arm/boot/dts/gemini-sq201.dts')
| -rw-r--r-- | arch/arm/boot/dts/gemini-sq201.dts | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/gemini-sq201.dts b/arch/arm/boot/dts/gemini-sq201.dts new file mode 100644 index 000000000..d0efd7669 --- /dev/null +++ b/arch/arm/boot/dts/gemini-sq201.dts @@ -0,0 +1,286 @@ +// 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 */ + sck-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + miso-gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>; + mosi-gpios = <&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"; + }; + + 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"; + }; + }; +}; |