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mx23_olinuxino: enable device tree

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Add the dts file for the Olimex Olinuxino from the linux kernel, and enable
its use in this machine's defconfig.

Signed-off-by: Trevor Woerner <twoerner@gmail.com>
This commit is contained in:
Trevor Woerner 2021-03-22 11:31:28 -04:00 committed by Stefano Babic
parent 63756575b4
commit 123526e4a4
3 changed files with 136 additions and 1 deletions
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3
arch/arm/dts/Makefile
View File

@ -653,6 +653,9 @@ dtb-$(CONFIG_VF610) += vf500-colibri.dtb \
dtb-$(CONFIG_MX23) += \
imx23-evk.dtb
dtb-$(CONFIG_TARGET_MX23_OLINUXINO) += \
imx23-olinuxino.dtb
dtb-$(CONFIG_MX28) += \
imx28-xea.dtb

131
arch/arm/dts/imx23-olinuxino.dts Normal file
View File

@ -0,0 +1,131 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2012 Freescale Semiconductor, Inc.
*
* Author: Fabio Estevam <fabio.estevam@freescale.com>
*/
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include "imx23.dtsi"
/ {
model = "i.MX23 Olinuxino Low Cost Board";
compatible = "olimex,imx23-olinuxino", "fsl,imx23";
memory@40000000 {
device_type = "memory";
reg = <0x40000000 0x04000000>;
};
apb@80000000 {
apbh@80000000 {
ssp0: spi@80010000 {
compatible = "fsl,imx23-mmc";
pinctrl-names = "default";
pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_sck_cfg>;
bus-width = <4>;
broken-cd;
status = "okay";
};
pinctrl@80018000 {
pinctrl-names = "default";
pinctrl-0 = <&hog_pins_a>;
hog_pins_a: hog@0 {
reg = <0>;
fsl,pinmux-ids = <
MX23_PAD_GPMI_ALE__GPIO_0_17
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
led_pin_gpio2_1: led_gpio2_1@0 {
reg = <0>;
fsl,pinmux-ids = <
MX23_PAD_SSP1_DETECT__GPIO_2_1
>;
fsl,drive-strength = <MXS_DRIVE_4mA>;
fsl,voltage = <MXS_VOLTAGE_HIGH>;
fsl,pull-up = <MXS_PULL_DISABLE>;
};
};
ssp1: spi@80034000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx23-spi";
pinctrl-names = "default";
pinctrl-0 = <&spi2_pins_a>;
status = "okay";
};
};
apbx@80040000 {
lradc@80050000 {
status = "okay";
};
i2c: i2c@80058000 {
pinctrl-names = "default";
pinctrl-0 = <&i2c_pins_b>;
status = "okay";
};
duart: serial@80070000 {
pinctrl-names = "default";
pinctrl-0 = <&duart_pins_a>;
status = "okay";
};
auart0: serial@8006c000 {
pinctrl-names = "default";
pinctrl-0 = <&auart0_2pins_a>;
status = "okay";
};
usbphy0: usbphy@8007c000 {
status = "okay";
};
};
};
ahb@80080000 {
usb0: usb@80080000 {
dr_mode = "host";
vbus-supply = <&reg_usb0_vbus>;
status = "okay";
};
};
regulators {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <0>;
reg_usb0_vbus: regulator@0 {
compatible = "regulator-fixed";
reg = <0>;
regulator-name = "usb0_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
enable-active-high;
startup-delay-us = <300>; /* LAN9215 requires a POR of 200us minimum */
gpio = <&gpio0 17 0>;
};
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&led_pin_gpio2_1>;
user {
label = "green";
gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
};
};
};

3
configs/mx23_olinuxino_defconfig
View File

@ -11,6 +11,7 @@ CONFIG_SPL_TEXT_BASE=0x00001000
CONFIG_TARGET_MX23_OLINUXINO=y
CONFIG_SPL_SERIAL_SUPPORT=y
CONFIG_SPL=y
CONFIG_DEFAULT_DEVICE_TREE="imx23-olinuxino"
CONFIG_BOOTDELAY=3
# CONFIG_DISPLAY_BOARDINFO is not set
CONFIG_ARCH_MISC_INIT=y
@ -24,6 +25,7 @@ CONFIG_CMD_DHCP=y
CONFIG_CMD_CACHE=y
CONFIG_CMD_EXT2=y
CONFIG_CMD_FAT=y
CONFIG_OF_CONTROL=y
CONFIG_ENV_OVERWRITE=y
CONFIG_ENV_IS_IN_MMC=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
@ -44,4 +46,3 @@ CONFIG_USB_EHCI_HCD=y
CONFIG_USB_STORAGE=y
CONFIG_USB_HOST_ETHER=y
CONFIG_USB_ETHER_SMSC95XX=y
CONFIG_OF_LIBFDT=y