diff options
Diffstat (limited to 'arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts')
| -rw-r--r-- | arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts b/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts new file mode 100644 index 000000000..cf4010d60 --- /dev/null +++ b/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts @@ -0,0 +1,199 @@ +// SPDX-License-Identifier: ISC +/* + * Device Tree file for Gateworks IXP43x-based Cambria GW2358 + */ + +/dts-v1/; + +#include "intel-ixp43x.dtsi" + +/ { + model = "Gateworks Cambria GW2358"; + compatible = "gateworks,gw2358", "intel,ixp43x"; + #address-cells = <1>; + #size-cells = <1>; + + memory@0 { + /* 128 MB SDRAM */ + device_type = "memory"; + reg = <0x00000000 0x8000000>; + }; + + chosen { + bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait"; + stdout-path = "uart0:115200n8"; + }; + + aliases { + serial0 = &uart0; + }; + + leds { + compatible = "gpio-leds"; + led-user { + label = "gw2358:green:LED"; + gpios = <&pld1 0 GPIO_ACTIVE_LOW>; + default-state = "on"; + linux,default-trigger = "heartbeat"; + }; + }; + + + i2c { + compatible = "i2c-gpio"; + sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; + scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; + #address-cells = <1>; + #size-cells = <0>; + + hwmon@28 { + compatible = "adi,ad7418"; + reg = <0x28>; + }; + rtc: ds1672@68 { + compatible = "dallas,ds1672"; + reg = <0x68>; + }; + eeprom@51 { + compatible = "atmel,24c08"; + reg = <0x51>; + pagesize = <16>; + size = <1024>; + read-only; + }; + pld0: pld@56 { + compatible = "gateworks,pld-gpio"; + reg = <0x56>; + gpio-controller; + #gpio-cells = <2>; + }; + /* This PLD just handles the LED and user button */ + pld1: pld@57 { + compatible = "gateworks,pld-gpio"; + reg = <0x57>; + gpio-controller; + #gpio-cells = <2>; + }; + }; + + soc { + bus@c4000000 { + flash@0,0 { + compatible = "intel,ixp4xx-flash", "cfi-flash"; + bank-width = <2>; + /* Enable writes on the expansion bus */ + intel,ixp4xx-eb-write-enable = <1>; + /* + * 32 MB of Flash in 0x20000 byte blocks + * mapped in at CS0 and CS1 + */ + reg = <0 0x00000000 0x2000000>; + + partitions { + compatible = "redboot-fis"; + /* Eraseblock at 0x1fe0000 */ + fis-index-block = <0xff>; + }; + }; + ide@3,0 { + compatible = "intel,ixp4xx-compact-flash"; + /* + * Set up expansion bus config to a really slow timing. + * The CF driver will dynamically reconfigure these timings + * depending on selected PIO mode (0-4). + */ + intel,ixp4xx-eb-t1 = <3>; // 3 cycles extra address phase + intel,ixp4xx-eb-t2 = <3>; // 3 cycles extra setup phase + intel,ixp4xx-eb-t3 = <15>; // 15 cycles extra strobe phase + intel,ixp4xx-eb-t4 = <3>; // 3 cycles extra hold phase + intel,ixp4xx-eb-t5 = <15>; // 15 cycles extra recovery phase + intel,ixp4xx-eb-cycle-type = <0>; // Intel cycle type + intel,ixp4xx-eb-byte-access-on-halfword = <1>; + intel,ixp4xx-eb-mux-address-and-data = <0>; + intel,ixp4xx-eb-ahb-split-transfers = <0>; + intel,ixp4xx-eb-write-enable = <1>; + intel,ixp4xx-eb-byte-access = <1>; + /* First register set is CMD second is CTL */ + reg = <3 0xe00000 0x40000>, <3 0xe40000 0x40000>; + interrupt-parent = <&gpio0>; + interrupts = <12 IRQ_TYPE_EDGE_RISING>; + }; + }; + + pci@c0000000 { + status = "ok"; + + /* + * In the boardfile for the Cambria from OpenWRT the interrupts + * are assigned one per IDSEL, so all 4 interrupts from IDSEL + * 1 are connected to IRQ 11, all 4 interrupts from IDSEL 2 + * connected to IRQ 10 etc. I find this highly unlikely so I + * have instead assumed that they are rotated (swizzled) like + * this with 11, 10, 9, 8 for the 4 pins on IDSEL 1 etc. + */ + #interrupt-cells = <1>; + interrupt-map-mask = <0xf800 0 0 7>; + interrupt-map = + /* IDSEL 1 */ + <0x0800 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 11 */ + <0x0800 0 0 2 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 1 is irq 10 */ + <0x0800 0 0 3 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 1 is irq 9 */ + <0x0800 0 0 4 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 1 is irq 8 */ + /* IDSEL 2 */ + <0x1000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 10 */ + <0x1000 0 0 2 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 2 is irq 9 */ + <0x1000 0 0 3 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 2 is irq 8 */ + <0x1000 0 0 4 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 2 is irq 11 */ + /* IDSEL 3 */ + <0x1800 0 0 1 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 9 */ + <0x1800 0 0 2 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 8 */ + <0x1800 0 0 3 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 11 */ + <0x1800 0 0 4 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 3 is irq 10 */ + /* IDSEL 4 */ + <0x2000 0 0 1 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 8 */ + <0x2000 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 11 */ + <0x2000 0 0 3 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 10 */ + <0x2000 0 0 4 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 3 is irq 9 */ + /* IDSEL 6 */ + <0x3000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 10 */ + <0x3000 0 0 2 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 9 */ + <0x3000 0 0 3 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 8 */ + <0x3000 0 0 4 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 3 is irq 11 */ + /* IDSEL 15 */ + <0x7800 0 0 1 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 8 */ + <0x7800 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 11 */ + <0x7800 0 0 3 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 10 */ + <0x7800 0 0 4 &gpio0 9 IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 3 is irq 9 */ + }; + + ethernet@c800a000 { + status = "ok"; + queue-rx = <&qmgr 4>; + queue-txready = <&qmgr 21>; + phy-mode = "rgmii"; + phy-handle = <&phy1>; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + phy1: ethernet-phy@1 { + reg = <1>; + }; + + phy2: ethernet-phy@2 { + reg = <2>; + }; + }; + }; + + ethernet@c800c000 { + status = "ok"; + queue-rx = <&qmgr 2>; + queue-txready = <&qmgr 19>; + phy-mode = "rgmii"; + phy-handle = <&phy2>; + intel,npe-handle = <&npe 0>; + }; + }; +}; |