linux/arch/arm/boot/dts/kirkwood-openrd.dtsi

123 lines
2.3 KiB
Plaintext

// 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";
};