diff options
Diffstat (limited to 'arch/arm/boot/dts/gemini-sl93512r.dts')
| -rw-r--r-- | arch/arm/boot/dts/gemini-sl93512r.dts | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/gemini-sl93512r.dts b/arch/arm/boot/dts/gemini-sl93512r.dts new file mode 100644 index 000000000..91c19e8eb --- /dev/null +++ b/arch/arm/boot/dts/gemini-sl93512r.dts @@ -0,0 +1,294 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree file for the Storm Semiconductor SL93512R_BRD + * Gemini reference design, also initially called + * "Gemini324 EV-Board" before Storm acquired Storlink Semiconductor. + * The series were later acquired by Cortina Systems. + */ + +/dts-v1/; + +#include "gemini.dtsi" +#include <dt-bindings/input/input.h> + +/ { + model = "Storlink Semiconductor Gemini324 EV-Board / Storm Semiconductor SL93512R_BRD"; + compatible = "storlink,gemini324", "storm,sl93512r", "cortina,gemini"; + #address-cells = <1>; + #size-cells = <1>; + + memory@0 { + /* 64 MB Samsung K4H511638B */ + device_type = "memory"; + reg = <0x00000000 0x4000000>; + }; + + chosen { + bootargs = "console=ttyS0,19200n8 root=/dev/mtdblock3 rw rootfstype=squashfs,jffs2 rootwait"; + stdout-path = &uart0; + }; + + gpio_keys { + compatible = "gpio-keys"; + + button-wps { + debounce-interval = <50>; + wakeup-source; + linux,code = <KEY_WPS_BUTTON>; + label = "WPS"; + /* Conflicts with TVC and extended flash */ + gpios = <&gpio0 0 GPIO_ACTIVE_LOW>; + }; + + button-setup { + debounce-interval = <50>; + 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-harddisk { + label = "sq201:green:harddisk"; + /* Conflict with LCD (no problem) */ + gpios = <&gpio0 16 GPIO_ACTIVE_LOW>; + default-state = "off"; + linux,default-trigger = "disk-activity"; + }; + led-green-wireless { + label = "sq201:green:wireless"; + /* Conflict with NAND flash CE0 (no problem) */ + gpios = <&gpio0 17 GPIO_ACTIVE_LOW>; + default-state = "on"; + linux,default-trigger = "heartbeat"; + }; + }; + + 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,vsc7385"; + 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"; + /* 16MB of flash */ + reg = <0x30000000 0x01000000>; + + partitions { + compatible = "redboot-fis"; + /* Eraseblock at 0xfe0000 */ + fis-index-block = <0x1fc>; + }; + }; + + syscon: syscon@40000000 { + pinctrl { + /* + * gpio0agrp cover line 0, used by WPS button + * gpio0fgrp cover line 16 used by HD LED + * gpio0ggrp cover line 17, 18 used by wireless LAN LED and + * reset button OR USB ID select on 17 and USB VBUS select + * on 18. (Confusing.) + * gpio0igrp cover line 21, 22 used by MDIO for Marvell PHY + */ + gpio0_default_pins: pinctrl-gpio0 { + mux { + function = "gpio0"; + groups = "gpio0agrp", + "gpio0fgrp", + "gpio0ggrp", + "gpio0igrp"; + }; + }; + /* + * gpio1dgrp cover lines used by SPI for + * the Vitesse chip (28-31) + */ + gpio1_default_pins: pinctrl-gpio1 { + mux { + function = "gpio1"; + groups = "gpio1dgrp"; + }; + }; + pinctrl-gmii { + mux { + function = "gmii"; + groups = "gmii_gmac0_grp", "gmii_gmac1_grp"; + }; + /* Control pad skew comes from sl_switch.c in the vendor code */ + conf0 { + pins = "P10 GMAC1 TXC"; + skew-delay = <5>; + }; + conf1 { + pins = "V11 GMAC1 TXEN"; + skew-delay = <7>; + }; + conf2 { + pins = "T11 GMAC1 RXC"; + skew-delay = <8>; + }; + conf3 { + pins = "U11 GMAC1 RXDV"; + skew-delay = <7>; + }; + conf4 { + pins = "V7 GMAC0 TXC"; + skew-delay = <10>; + }; + conf5 { + pins = "P8 GMAC0 TXEN"; + skew-delay = <7>; /* 5 at another place? */ + }; + conf6 { + pins = "T8 GMAC0 RXC"; + skew-delay = <15>; + }; + conf7 { + pins = "R8 GMAC0 RXDV"; + skew-delay = <0>; + }; + conf8 { + /* The data lines all have default skew */ + pins = "U8 GMAC0 RXD0", "V8 GMAC0 RXD1", + "P9 GMAC0 RXD2", "R9 GMAC0 RXD3", + "R11 GMAC1 RXD0", "P11 GMAC1 RXD1", + "V12 GMAC1 RXD2", "U12 GMAC1 RXD3", + "R10 GMAC1 TXD0", "T10 GMAC1 TXD1", + "U10 GMAC1 TXD2", "V10 GMAC1 TXD3"; + skew-delay = <7>; + }; + /* Appears in sl351x_gmac.c in the vendor code */ + conf9 { + pins = "U7 GMAC0 TXD0", "T7 GMAC0 TXD1", + "R7 GMAC0 TXD2", "P7 GMAC0 TXD3"; + skew-delay = <5>; + }; + }; + }; + }; + + /* Both interfaces brought out on SATA connectors */ + 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"; + }; + + ide@63400000 { + status = "okay"; + }; + + usb@68000000 { + status = "okay"; + }; + + usb@69000000 { + status = "okay"; + }; + }; +}; |