On 3/21/21 9:34 PM, Trevor Woerner wrote:
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
arch/arm/dts/Makefile | 3 + arch/arm/dts/imx23-olinuxino.dts | 131 +++++++++++++++++++++++++++++++ configs/mx23_olinuxino_defconfig | 3 +- 3 files changed, 136 insertions(+), 1 deletion(-) create mode 100644 arch/arm/dts/imx23-olinuxino.dts
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index c6710826a0..d5cffc90d4 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -651,6 +651,9 @@ 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 {
Does this need to be on a separate bus? Can't you just add the regulator at the top-level with no register?
--Sean
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