diff options
Diffstat (limited to 'arch/arm/boot/dts/marvell/kirkwood-openrd.dtsi')
-rw-r--r-- | arch/arm/boot/dts/marvell/kirkwood-openrd.dtsi | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/marvell/kirkwood-openrd.dtsi b/arch/arm/boot/dts/marvell/kirkwood-openrd.dtsi new file mode 100644 index 0000000000..47f03c69c5 --- /dev/null +++ b/arch/arm/boot/dts/marvell/kirkwood-openrd.dtsi @@ -0,0 +1,122 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Marvell OpenRD (Base|Client|Ultimate) Board Description + * + * Andrew Lunn <andrew@lunn.ch> + * + * This file contains the definitions that are common between the three + * variants of the Marvell Kirkwood Development Board. + */ + +#include "kirkwood.dtsi" +#include "kirkwood-6281.dtsi" + +/ { + memory { + device_type = "memory"; + reg = <0x00000000 0x20000000>; + }; + + chosen { + bootargs = "console=ttyS0,115200n8"; + stdout-path = &uart0; + }; + + ocp@f1000000 { + pinctrl: pin-controller@10000 { + pinctrl-0 = <&pmx_select28 &pmx_sdio_cd &pmx_select34>; + pinctrl-names = "default"; + + pmx_select28: pmx-select-rs232-rs485 { + marvell,pins = "mpp28"; + marvell,function = "gpio"; + }; + pmx_sdio_cd: pmx-sdio-cd { + marvell,pins = "mpp29"; + marvell,function = "gpio"; + }; + pmx_select34: pmx-select-uart-sd { + marvell,pins = "mpp34"; + marvell,function = "gpio"; + }; + }; + serial@12000 { + status = "okay"; + + }; + sata@80000 { + status = "okay"; + nr-ports = <2>; + }; + mvsdio@90000 { + status = "okay"; + cd-gpios = <&gpio0 29 9>; + }; + gpio@10100 { + p28 { + gpio-hog; + gpios = <28 GPIO_ACTIVE_HIGH>; + /* + * SelRS232or485 selects between RS-232 or RS-485 + * mode for the second UART. + * + * Low: RS-232 + * High: RS-485 + * + * To use the second UART, you need to change also + * the SelUARTorSD. + */ + output-low; + line-name = "SelRS232or485"; + }; + }; + gpio@10140 { + p2 { + gpio-hog; + gpios = <2 GPIO_ACTIVE_HIGH>; + /* + * SelUARTorSD selects between the second UART + * (serial@12100) and SD (mvsdio@90000). + * + * Low: UART + * High: SD + * + * When changing this line make sure the newly + * selected device node is enabled and the + * previously selected device node is disabled. + */ + output-high; /* Select SD by default */ + line-name = "SelUARTorSD"; + }; + }; + }; +}; + +&nand { + status = "okay"; + pinctrl-0 = <&pmx_nand>; + pinctrl-names = "default"; + + partition@0 { + label = "u-boot"; + reg = <0x0000000 0x100000>; + }; + + partition@100000 { + label = "uImage"; + reg = <0x0100000 0x400000>; + }; + + partition@600000 { + label = "root"; + reg = <0x0600000 0x1FA00000>; + }; +}; + +&pciec { + status = "okay"; +}; + +&pcie0 { + status = "okay"; +}; |