diff options
| author | Trevor Woerner <twoerner@gmail.com> | 2021-03-22 11:31:28 -0400 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2021-04-08 23:59:50 +0200 |
| commit | 123526e4a491aa823b7edeadb97060e909f20452 (patch) | |
| tree | 62308f67b0b4cbdbed9824f7b0906e36607b0d80 | |
| parent | 63756575b42b8b4fb3f59cbbf0cedf03331bc2d2 (diff) | |
mx23_olinuxino: enable device tree
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>
| -rw-r--r-- | arch/arm/dts/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/dts/imx23-olinuxino.dts | 131 | ||||
| -rw-r--r-- | configs/mx23_olinuxino_defconfig | 3 |
3 files changed, 136 insertions, 1 deletions
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index d994ac8374..4df1f037e1 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -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 diff --git a/arch/arm/dts/imx23-olinuxino.dts b/arch/arm/dts/imx23-olinuxino.dts new file mode 100644 index 0000000000..0729e72f22 --- /dev/null +++ b/arch/arm/dts/imx23-olinuxino.dts @@ -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 = <®_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>; + }; + }; +}; diff --git a/configs/mx23_olinuxino_defconfig b/configs/mx23_olinuxino_defconfig index 0da54c9e76..2bf6818ee3 100644 --- a/configs/mx23_olinuxino_defconfig +++ b/configs/mx23_olinuxino_defconfig @@ -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 |