[PATCH 2/2] ARM: dts: mxs: Add support for second revision of the XEA board (imx287)
Frank Li
Frank.li at nxp.com
Wed Mar 26 11:51:06 PDT 2025
On Wed, Mar 26, 2025 at 06:34:00PM +0100, Lukasz Majewski wrote:
> Up till now the XEA had only single revision supported in Linux kernel.
>
> As some in-HW adjustments were made - it has been required to extend
> the support with second version.
>
> Signed-off-by: Lukasz Majewski <lukma at denx.de>
> ---
> arch/arm/boot/dts/nxp/mxs/Makefile | 3 +-
> arch/arm/boot/dts/nxp/mxs/imx28-xea-1.dts | 29 ++++
> arch/arm/boot/dts/nxp/mxs/imx28-xea-2.dts | 66 ++++++++
> arch/arm/boot/dts/nxp/mxs/imx28-xea.dts | 100 -----------
> arch/arm/boot/dts/nxp/mxs/imx28-xea.dtsi | 191 ++++++++++++++++++++++
> 5 files changed, 288 insertions(+), 101 deletions(-)
> create mode 100644 arch/arm/boot/dts/nxp/mxs/imx28-xea-1.dts
> create mode 100644 arch/arm/boot/dts/nxp/mxs/imx28-xea-2.dts
> delete mode 100644 arch/arm/boot/dts/nxp/mxs/imx28-xea.dts
> create mode 100644 arch/arm/boot/dts/nxp/mxs/imx28-xea.dtsi
>
> diff --git a/arch/arm/boot/dts/nxp/mxs/Makefile b/arch/arm/boot/dts/nxp/mxs/Makefile
> index 96dd31ea19ba..de4cafd820c2 100644
> --- a/arch/arm/boot/dts/nxp/mxs/Makefile
> +++ b/arch/arm/boot/dts/nxp/mxs/Makefile
> @@ -31,4 +31,5 @@ dtb-$(CONFIG_ARCH_MXS) += \
> imx28-sps1.dtb \
> imx28-ts4600.dtb \
> imx28-tx28.dtb \
> - imx28-xea.dtb
> + imx28-xea-1.dtb \
> + imx28-xea-2.dtb
> diff --git a/arch/arm/boot/dts/nxp/mxs/imx28-xea-1.dts b/arch/arm/boot/dts/nxp/mxs/imx28-xea-1.dts
> new file mode 100644
> index 000000000000..a56c9930752a
> --- /dev/null
> +++ b/arch/arm/boot/dts/nxp/mxs/imx28-xea-1.dts
> @@ -0,0 +1,29 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright 2025
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + */
> +
> +/dts-v1/;
> +#include "imx28-xea.dtsi"
> +
> +/ {
> + model = "XEA v1";
> +};
> +
> +&pinctrl {
> + pinctrl-0 = <&hog_pins_a &hog_pins_tiva &hog_pins_rev1>;
> +
> + hog_pins_rev1: hog at 3 {
> + reg = <3>;
> + fsl,pinmux-ids = <
> + MX28_PAD_SSP1_SCK__GPIO_2_12
> + MX28_PAD_SSP1_SCK__GPIO_2_12
> + MX28_PAD_SSP2_SS1__GPIO_2_20
> + MX28_PAD_SSP2_SS2__GPIO_2_21
> + >;
> + fsl,drive-strength = <MXS_DRIVE_4mA>;
> + fsl,voltage = <MXS_VOLTAGE_HIGH>;
> + fsl,pull-up = <MXS_PULL_DISABLE>;
> + };
> +};
> diff --git a/arch/arm/boot/dts/nxp/mxs/imx28-xea-2.dts b/arch/arm/boot/dts/nxp/mxs/imx28-xea-2.dts
> new file mode 100644
> index 000000000000..498905def9c1
> --- /dev/null
> +++ b/arch/arm/boot/dts/nxp/mxs/imx28-xea-2.dts
> @@ -0,0 +1,66 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright 2025
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + */
> +
> +/dts-v1/;
> +#include "imx28-xea.dtsi"
> +
> +/ {
> + model = "XEA v2";
> +};
> +
> +&pinctrl {
> + pinctrl-0 = <&hog_pins_a &hog_pins_tiva &hog_pins_rev1>;
> +
> + hog_pins_rev1: hog at 3 {
> + reg = <3>;
> + fsl,pinmux-ids = <
> + MX28_PAD_SAIF0_LRCLK__GPIO_3_21
> + >;
> + fsl,drive-strength = <MXS_DRIVE_4mA>;
> + fsl,voltage = <MXS_VOLTAGE_HIGH>;
> + fsl,pull-up = <MXS_PULL_DISABLE>;
> + };
> +
> + spi1_pins_a: spi1 at 0 {
> + reg = <0>;
> + fsl,pinmux-ids = <
> + MX28_PAD_SSP1_SCK__SSP1_SCK
> + MX28_PAD_SSP1_CMD__SSP1_CMD
> + MX28_PAD_SSP1_DATA0__SSP1_D0
> + MX28_PAD_SSP1_DATA3__GPIO_2_15
> + >;
> + fsl,drive-strength = <MXS_DRIVE_8mA>;
> + fsl,voltage = <MXS_VOLTAGE_HIGH>;
> + fsl,pull-up = <MXS_PULL_ENABLE>;
> + };
> +};
> +
> +&ssp1 {
> + compatible = "fsl,imx28-spi";
> + pinctrl-names = "default";
> + pinctrl-0 = <&spi1_pins_a>;
> + status = "okay";
> +
> + spidev0 at 0 {
> + compatible = "lwn,btt";
> + spi-max-frequency = <100000000>;
> + reg = <0>;
reg should after compatible.
> + };
> +
> + spidev2 at 2 {
> + compatible = "lwn,btt";
> + spi-max-frequency = <100000000>;
> + reg = <2>;
> + };
> +};
> +
> +&ssp3 {
> + spidev1 at 1 {
> + compatible = "lwn,btt";
> + spi-max-frequency = <100000000>;
> + reg = <1>;
> + };
> +};
> diff --git a/arch/arm/boot/dts/nxp/mxs/imx28-xea.dts b/arch/arm/boot/dts/nxp/mxs/imx28-xea.dts
> deleted file mode 100644
> index 6c5e6856648a..000000000000
> --- a/arch/arm/boot/dts/nxp/mxs/imx28-xea.dts
> +++ /dev/null
> @@ -1,100 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> -/*
> - * Copyright 2021
> - * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> - */
> -
> -/dts-v1/;
> -#include "imx28-lwe.dtsi"
> -
> -/ {
> - model = "Liebherr XEA board";
> - compatible = "lwn,imx28-xea", "fsl,imx28";
> -};
> -
> -&can0 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&can1_pins_a>;
> - status = "okay";
> -};
> -
> -&i2c1 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&i2c1_pins_b>;
> - status = "okay";
> -};
> -
> -&pinctrl {
> - pinctrl-names = "default";
> - pinctrl-0 = <&hog_pins_a &hog_pins_tiva>;
> -
> - hog_pins_a: hog at 0 {
> - reg = <0>;
> - fsl,pinmux-ids = <
> - MX28_PAD_GPMI_D00__GPIO_0_0
> - MX28_PAD_GPMI_D02__GPIO_0_2
> - MX28_PAD_GPMI_D05__GPIO_0_5
> - MX28_PAD_GPMI_CE1N__GPIO_0_17
> - MX28_PAD_GPMI_RDY0__GPIO_0_20
> - MX28_PAD_GPMI_RDY1__GPIO_0_21
> - MX28_PAD_GPMI_RDY2__GPIO_0_22
> - MX28_PAD_GPMI_RDN__GPIO_0_24
> - MX28_PAD_GPMI_CLE__GPIO_0_27
> - MX28_PAD_LCD_VSYNC__GPIO_1_28
> - MX28_PAD_SSP1_SCK__GPIO_2_12
> - MX28_PAD_SSP1_CMD__GPIO_2_13
> - MX28_PAD_SSP2_SS1__GPIO_2_20
> - MX28_PAD_SSP2_SS2__GPIO_2_21
> - MX28_PAD_LCD_D00__GPIO_1_0
> - MX28_PAD_LCD_D01__GPIO_1_1
> - MX28_PAD_LCD_D02__GPIO_1_2
> - MX28_PAD_LCD_D03__GPIO_1_3
> - MX28_PAD_LCD_D04__GPIO_1_4
> - MX28_PAD_LCD_D05__GPIO_1_5
> - MX28_PAD_LCD_D06__GPIO_1_6
> - >;
> - fsl,drive-strength = <MXS_DRIVE_4mA>;
> - fsl,voltage = <MXS_VOLTAGE_HIGH>;
> - fsl,pull-up = <MXS_PULL_DISABLE>;
> - };
> -
> - hog_pins_tiva: hog at 1 {
> - reg = <1>;
> - fsl,pinmux-ids = <
> - MX28_PAD_GPMI_RDY3__GPIO_0_23
> - MX28_PAD_GPMI_WRN__GPIO_0_25
> - >;
> - fsl,voltage = <MXS_VOLTAGE_HIGH>;
> - fsl,pull-up = <MXS_PULL_DISABLE>;
> - };
> -
> - hog_pins_coding: hog at 2 {
> - reg = <2>;
> - fsl,pinmux-ids = <
> - MX28_PAD_GPMI_D01__GPIO_0_1
> - MX28_PAD_GPMI_D03__GPIO_0_3
> - MX28_PAD_GPMI_D04__GPIO_0_4
> - MX28_PAD_GPMI_D06__GPIO_0_6
> - MX28_PAD_GPMI_D07__GPIO_0_7
> - >;
> - fsl,voltage = <MXS_VOLTAGE_HIGH>;
> - fsl,pull-up = <MXS_PULL_DISABLE>;
> - };
> -};
> -
> -®_fec_3v3 {
> - gpio = <&gpio0 0 0>;
> -};
> -
> -®_usb_5v {
> - gpio = <&gpio0 2 0>;
> -};
> -
> -&spi2_pins_a {
> - fsl,pinmux-ids = <
> - MX28_PAD_SSP2_SCK__SSP2_SCK
> - MX28_PAD_SSP2_MOSI__SSP2_CMD
> - MX28_PAD_SSP2_MISO__SSP2_D0
> - MX28_PAD_SSP2_SS0__GPIO_2_19
> - >;
> -};
> diff --git a/arch/arm/boot/dts/nxp/mxs/imx28-xea.dtsi b/arch/arm/boot/dts/nxp/mxs/imx28-xea.dtsi
> new file mode 100644
> index 000000000000..adbdc3871045
> --- /dev/null
> +++ b/arch/arm/boot/dts/nxp/mxs/imx28-xea.dtsi
> @@ -0,0 +1,191 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright 2025
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + */
> +
> +/dts-v1/;
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include "imx28-lwe.dtsi"
> +
> +/ {
> + compatible = "lwn,imx28-xea", "fsl,imx28";
> +
> + reg_standby: regulator-standby {
> + compatible = "regulator-fixed";
> + gpio = <&gpio0 20 GPIO_ACTIVE_LOW>;
> + regulator-name = "enable-standby";
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +};
> +
> +&can1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&can1_pins_a>;
> + xceiver-supply = <®_usb_5v>;
> + status = "okay";
> +};
> +
> +&i2c1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c1_pins_b>;
> + status = "okay";
> +};
> +
> +ð_switch {
This is new file, suggest order by name
You can use https://github.com/lznuaa/dt-format to order it.
Frank
> + pinctrl-names = "default";
> + pinctrl-0 = <&mac0_pins_a>, <&mac1_pins_a>;
> + phy-supply = <®_fec_3v3>;
> + phy-reset-duration = <25>;
> + phy-reset-post-delay = <10>;
> + status = "okay";
> +
> + ethernet-ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + mtip_port1: port at 1 {
> + reg = <1>;
> + label = "lan0";
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + phy-mode = "rmii";
> + phy-handle = <ðphy0>;
> + };
> +
> + mtip_port2: port at 2 {
> + reg = <2>;
> + label = "lan1";
> + local-mac-address = [ 00 00 00 00 00 00 ];
> + phy-mode = "rmii";
> + phy-handle = <ðphy1>;
> + };
> + };
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy0: ethernet-phy at 0 {
> + reg = <0>;
> + smsc,disable-energy-detect;
> + /* Both PHYs (i.e. 0,1) have the same, single GPIO, */
> + /* line to handle both, their interrupts (AND'ed) */
> + interrupt-parent = <&gpio4>;
> + interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
> + };
> +
> + ethphy1: ethernet-phy at 1 {
> + reg = <1>;
> + smsc,disable-energy-detect;
> + interrupt-parent = <&gpio4>;
> + interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
> + };
> + };
> +};
> +
> +&mac0 {
> + phy-mode = "rmii";
> + pinctrl-names = "default";
> + pinctrl-0 = <&mac0_pins_a>;
> + phy-supply = <®_fec_3v3>;
> + phy-reset-duration = <100>;
> + local-mac-address = [ 00 11 B8 00 BF 8A ];
> + status = "okay";
> +};
> +
> +&mac1 {
> + phy-mode = "rmii";
> + pinctrl-names = "default";
> + pinctrl-0 = <&mac1_pins_a>;
> + status = "okay";
> +};
> +
> +&pinctrl {
> + pinctrl-names = "default";
> + pinctrl-0 = <&hog_pins_a &hog_pins_tiva>;
> +
> + hog_pins_a: hog at 0 {
> + reg = <0>;
> + fsl,pinmux-ids = <
> + MX28_PAD_GPMI_D00__GPIO_0_0
> + MX28_PAD_GPMI_D02__GPIO_0_2
> + MX28_PAD_GPMI_D05__GPIO_0_5
> + MX28_PAD_GPMI_CE1N__GPIO_0_17
> + MX28_PAD_GPMI_RDY0__GPIO_0_20
> + MX28_PAD_GPMI_RDY1__GPIO_0_21
> + MX28_PAD_GPMI_RDY2__GPIO_0_22
> + MX28_PAD_GPMI_RDN__GPIO_0_24
> + MX28_PAD_GPMI_CLE__GPIO_0_27
> + MX28_PAD_LCD_VSYNC__GPIO_1_28
> + MX28_PAD_LCD_D00__GPIO_1_0
> + MX28_PAD_LCD_D01__GPIO_1_1
> + MX28_PAD_LCD_D02__GPIO_1_2
> + MX28_PAD_LCD_D03__GPIO_1_3
> + MX28_PAD_LCD_D04__GPIO_1_4
> + MX28_PAD_LCD_D05__GPIO_1_5
> + MX28_PAD_LCD_D06__GPIO_1_6
> + MX28_PAD_LCD_D15__GPIO_1_15
> + MX28_PAD_LCD_D16__GPIO_1_16
> + MX28_PAD_LCD_D17__GPIO_1_17
> + MX28_PAD_LCD_D18__GPIO_1_18
> + >;
> + fsl,drive-strength = <MXS_DRIVE_4mA>;
> + fsl,voltage = <MXS_VOLTAGE_HIGH>;
> + fsl,pull-up = <MXS_PULL_DISABLE>;
> + };
> +
> + hog_pins_tiva: hog at 1 {
> + reg = <1>;
> + fsl,pinmux-ids = <
> + MX28_PAD_GPMI_RDY3__GPIO_0_23
> + MX28_PAD_GPMI_WRN__GPIO_0_25
> + >;
> + fsl,voltage = <MXS_VOLTAGE_HIGH>;
> + fsl,pull-up = <MXS_PULL_DISABLE>;
> + };
> +
> + hog_pins_coding: hog at 2 {
> + reg = <2>;
> + fsl,pinmux-ids = <
> + MX28_PAD_GPMI_D01__GPIO_0_1
> + MX28_PAD_GPMI_D03__GPIO_0_3
> + MX28_PAD_GPMI_D04__GPIO_0_4
> + MX28_PAD_GPMI_D06__GPIO_0_6
> + MX28_PAD_GPMI_D07__GPIO_0_7
> + >;
> + fsl,voltage = <MXS_VOLTAGE_HIGH>;
> + fsl,pull-up = <MXS_PULL_DISABLE>;
> + };
> +};
> +
> +®_fec_3v3 {
> + gpio = <&gpio0 0 0>;
> +};
> +
> +®_usb_5v {
> + gpio = <&gpio0 2 0>;
> +};
> +
> +&ssp2 {
> + spidev1 at 1 {
> + compatible = "lwn,btt";
> + spi-max-frequency = <100000000>;
> + reg = <1>;
> + };
> +
> + spidev2 at 2 {
> + compatible = "lwn,btt";
> + spi-max-frequency = <100000000>;
> + reg = <2>;
> + };
> +};
> +
> +&spi2_pins_a {
> + fsl,pinmux-ids = <
> + MX28_PAD_SSP2_SCK__SSP2_SCK
> + MX28_PAD_SSP2_MOSI__SSP2_CMD
> + MX28_PAD_SSP2_MISO__SSP2_D0
> + MX28_PAD_SSP2_SS0__GPIO_2_19
> + >;
> +};
> --
> 2.39.5
>
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