diff options
Diffstat (limited to 'arch/arm/boot/dts/intel-ixp42x-dlink-dsm-g600.dts')
| -rw-r--r-- | arch/arm/boot/dts/intel-ixp42x-dlink-dsm-g600.dts | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/intel-ixp42x-dlink-dsm-g600.dts b/arch/arm/boot/dts/intel-ixp42x-dlink-dsm-g600.dts new file mode 100644 index 000000000..5ab09fb10 --- /dev/null +++ b/arch/arm/boot/dts/intel-ixp42x-dlink-dsm-g600.dts @@ -0,0 +1,147 @@ +// SPDX-License-Identifier: ISC +/* + * Device Tree file for D-Link DSM-G600 revision A based on IXP420 + * NOTE: revision B of this device uses PowerPC and is NOT supported by + * this device tree. + * + * Inspired by the boardfile by Rod Whitby, Tower Technologies, Alessandro Zummo + * and Michael Westerhof. + */ + +/dts-v1/; + +#include "intel-ixp42x.dtsi" +#include <dt-bindings/input/input.h> + +/ { + model = "D-Link DSM-G600 rev A"; + compatible = "dlink,dsm-g600-a", "intel,ixp42x"; + #address-cells = <1>; + #size-cells = <1>; + + memory@0 { + /* 64 MB SDRAM */ + device_type = "memory"; + reg = <0x00000000 0x4000000>; + }; + + chosen { + bootargs = "console=ttyS0,115200n8 root=/dev/sda1 rw rootwait"; + stdout-path = "uart0:115200n8"; + }; + + aliases { + serial0 = &uart0; + }; + + leds { + compatible = "gpio-leds"; + led-power { + label = "dsmg600:green:power"; + gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>; + default-state = "on"; + linux,default-trigger = "heartbeat"; + }; + led-wlan { + label = "dsmg600:green:wlan"; + /* CHECKME: flagged as active low in the old board file */ + gpios = <&gpio0 14 GPIO_ACTIVE_LOW>; + default-state = "on"; + /* We don't have WLAN trigger in the kernel (yet) */ + linux,default-trigger = "netdev"; + }; + }; + + gpio_keys { + compatible = "gpio-keys"; + + button-reset { + wakeup-source; + linux,code = <KEY_ESC>; + label = "reset"; + gpios = <&gpio0 3 GPIO_ACTIVE_LOW>; + }; + }; + + gpio_keys_polled { + compatible = "gpio-keys-polled"; + + /* + * According to the board file this key cannot handle interrupts and + * need to be polled. Investigate if this is really the case or if + * this can be moved adjacent to the ordinary gpio-keys above. + */ + button-power { + wakeup-source; + linux,code = <KEY_POWER>; + label = "power"; + gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>; + }; + }; + + i2c { + compatible = "i2c-gpio"; + sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; + scl-gpios = <&gpio0 4 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; + #address-cells = <1>; + #size-cells = <0>; + + rtc@51 { + compatible = "nxp,pcf8563"; + reg = <0x51>; + }; + }; + + gpio-poweroff { + compatible = "gpio-poweroff"; + gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>; + timeout-ms = <5000>; + }; + + soc { + bus@c4000000 { + /* The first 16MB region at CS0 on the expansion bus */ + flash@0,0 { + compatible = "intel,ixp4xx-flash", "cfi-flash"; + bank-width = <2>; + /* + * 16 MB of Flash in 128 0x20000 sized blocks + * mapped in at CS0. + */ + reg = <0 0x00000000 0x1000000>; + + partitions { + compatible = "redboot-fis"; + /* + * A boot log says the directory is at 0xfe0000 + * 0x7f * 0x20000 = 0xfe0000 + */ + fis-index-block = <0x7f>; + }; + }; + }; + + pci@c0000000 { + status = "ok"; + + /* + * Taken from DSM-G600 PCI boardfile (dsmg600-pci.c) + * We have slots (IDSEL) 1, 2, 3, 4 and pins 1, 2 and 3. + * Only slot 3 have three IRQs. + */ + #interrupt-cells = <1>; + interrupt-map-mask = <0xf800 0 0 7>; + interrupt-map = + /* IDSEL 1 */ + <0x0800 0 0 1 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT E on slot 1 is irq 7 */ + /* IDSEL 2 */ + <0x1000 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 11 */ + /* IDSEL 3 */ + <0x1800 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 10 */ + <0x1800 0 0 2 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 9 */ + <0x1800 0 0 3 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 3 is irq 8 */ + /* IDSEL 4 */ + <0x2000 0 0 3 &gpio0 6 IRQ_TYPE_LEVEL_LOW>; /* INT F on slot 4 is irq 6 */ + }; + }; +}; |