diff options
Diffstat (limited to 'arch/arm/boot/dts/marvell/armada-xp-db-dxbc2.dts')
-rw-r--r-- | arch/arm/boot/dts/marvell/armada-xp-db-dxbc2.dts | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/marvell/armada-xp-db-dxbc2.dts b/arch/arm/boot/dts/marvell/armada-xp-db-dxbc2.dts new file mode 100644 index 000000000000..02bef8dc4270 --- /dev/null +++ b/arch/arm/boot/dts/marvell/armada-xp-db-dxbc2.dts @@ -0,0 +1,118 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Device Tree file for DB-DXBC2 board + * + * Copyright (C) 2016 Allied Telesis Labs + * + * Based on armada-xp-db.dts + * + * Note: this Device Tree assumes that the bootloader has remapped the + * internal registers to 0xf1000000 (instead of the default + * 0xd0000000). The 0xf1000000 is the default used by the recent, + * DT-capable, U-Boot bootloaders provided by Marvell. Some earlier + * boards were delivered with an older version of the bootloader that + * left internal registers mapped at 0xd0000000. If you are in this + * situation, you should either update your bootloader (preferred + * solution) or the below Device Tree should be adjusted. + */ + +/dts-v1/; +#include "armada-xp-98dx4251.dtsi" + +/ { + model = "Marvell Bobcat2 Evaluation Board"; + compatible = "marvell,db-dxbc2", "marvell,armadaxp-98dx4251", "marvell,armada-370-xp"; + + chosen { + bootargs = "console=ttyS0,115200 earlyprintk"; + }; + + memory { + device_type = "memory"; + reg = <0 0x00000000 0 0x20000000>; /* 512 MB */ + }; + +}; + +&devbus_bootcs { + status = "okay"; + + /* Device Bus parameters are required */ + + /* Read parameters */ + devbus,bus-width = <16>; + devbus,turn-off-ps = <60000>; + devbus,badr-skew-ps = <0>; + devbus,acc-first-ps = <124000>; + devbus,acc-next-ps = <248000>; + devbus,rd-setup-ps = <0>; + devbus,rd-hold-ps = <0>; + + /* Write parameters */ + devbus,sync-enable = <0>; + devbus,wr-high-ps = <60000>; + devbus,wr-low-ps = <60000>; + devbus,ale-wr-ps = <60000>; +}; + +&i2c0 { + clock-frequency = <100000>; + status = "okay"; +}; + +&uart0 { + status = "okay"; +}; + +&uart1 { + status = "okay"; +}; + +&nand_controller { + status = "okay"; + + nand@0 { + reg = <0>; + label = "pxa3xx_nand-0"; + nand-rb = <0>; + marvell,nand-keep-config; + nand-on-flash-bbt; + nand-ecc-strength = <4>; + nand-ecc-step-size = <512>; + }; +}; + +&sdio { + pinctrl-0 = <&sdio_pins>; + pinctrl-names = "default"; + status = "okay"; + /* No CD or WP GPIOs */ + broken-cd; +}; + +&spi0 { + status = "okay"; + + flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "m25p64"; + reg = <0>; /* Chip select 0 */ + spi-max-frequency = <20000000>; + m25p,fast-read; + + partition@u-boot { + reg = <0x00000000 0x00100000>; + label = "u-boot"; + }; + partition@u-boot-env { + reg = <0x00100000 0x00040000>; + label = "u-boot-env"; + }; + partition@unused { + reg = <0x00140000 0x00ec0000>; + label = "unused"; + }; + + }; +}; |