ARM: dts: imx28: Add DTS description of imx28 based XEA board

This patch adds DTS definition of the imx278 based XEA board.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index f8f09c5..4d05ad1 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -725,7 +725,8 @@ dtb-$(CONFIG_ARCH_MXS) += \
        imx28-m28evk.dtb \
        imx28-sps1.dtb \
        imx28-ts4600.dtb \
-       imx28-tx28.dtb
+       imx28-tx28.dtb \
+       imx28-xea.dtb
 dtb-$(CONFIG_ARCH_NOMADIK) += \
        ste-nomadik-s8815.dtb \
        ste-nomadik-nhk15.dtb

diff --git a/arch/arm/boot/dts/imx28-lwe.dtsi b/arch/arm/boot/dts/imx28-lwe.dtsi
new file mode 100644 (file)
index 0000000..bb971e6
--- /dev/null
+++ b/arch/arm/boot/dts/imx28-lwe.dtsi
@@ -0,0 +1,170 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2021
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
+ */
+
+/dts-v1/;
+#include "imx28.dtsi"
+
+/ {
+       aliases {
+               spi2 = &ssp3;
+       };
+
+       chosen {
+               bootargs = "root=/dev/mmcblk0p2 rootfstype=ext4 ro rootwait console=ttyAMA0,115200 panic=1";
+       };
+
+       memory@40000000 {
+               reg = <0x40000000 0x08000000>;
+       };
+
+       reg_3v3: regulator-reg-3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "3V3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+       };
+
+       reg_usb_5v: regulator-reg-usb-5v {
+               compatible = "regulator-fixed";
+               regulator-name = "usb_vbus";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+       };
+
+       reg_fec_3v3: regulator-reg-fec-3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "fec-phy";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+       };
+};
+
+&duart {
+       pinctrl-names = "default";
+       pinctrl-0 = <&duart_pins_a>;
+       status = "okay";
+};
+
+&i2c0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&i2c0_pins_a>;
+       status = "okay";
+};
+
+&saif0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&saif0_pins_a>;
+       #sound-dai-cells = <0>;
+       assigned-clocks = <&clks 53>;
+       assigned-clock-rates = <12000000>;
+       status = "okay";
+};
+
+&saif1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&saif1_pins_a>;
+       fsl,saif-master = <&saif0>;
+       #sound-dai-cells = <0>;
+       status = "okay";
+};
+
+&spi3_pins_a {
+       fsl,pinmux-ids = <
+               MX28_PAD_AUART2_RX__SSP3_D4
+               MX28_PAD_AUART2_TX__SSP3_D5
+               MX28_PAD_SSP3_SCK__SSP3_SCK
+               MX28_PAD_SSP3_MOSI__SSP3_CMD
+               MX28_PAD_SSP3_MISO__SSP3_D0
+               MX28_PAD_SSP3_SS0__SSP3_D3
+               MX28_PAD_AUART2_TX__GPIO_3_9
+       >;
+};
+
+&ssp0 {
+       compatible = "fsl,imx28-mmc";
+       pinctrl-names = "default";
+       pinctrl-0 = <&mmc0_8bit_pins_a>;
+       bus-width = <8>;
+       vmmc-supply = <&reg_3v3>;
+       non-removable;
+       status = "okay";
+};
+
+&ssp2 {
+       compatible = "fsl,imx28-spi";
+       pinctrl-names = "default";
+       pinctrl-0 = <&spi2_pins_a>;
+       status = "okay";
+};
+
+&ssp3 {
+       compatible = "fsl,imx28-spi";
+       pinctrl-names = "default";
+       pinctrl-0 = <&spi3_pins_a>;
+       status = "okay";
+
+       flash@0 {
+               compatible = "jedec,spi-nor";
+               spi-max-frequency = <40000000>;
+               reg = <0>;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       partition@0 {
+                               label = "u-boot";
+                               reg = <0 0x80000>;
+                               read-only;
+                       };
+
+                       partition@80000 {
+                               label = "env0";
+                               reg = <0x80000 0x10000>;
+                       };
+
+                       partition@90000 {
+                               label = "env1";
+                               reg = <0x90000 0x10000>;
+                       };
+
+                       partition@100000 {
+                               label = "kernel";
+                               reg = <0x100000 0x400000>;
+                       };
+
+                       partition@500000 {
+                               label = "swupdate";
+                               reg = <0x500000 0x800000>;
+                       };
+               };
+       };
+};
+
+&usb0 {
+       vbus-supply = <&reg_usb_5v>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&usb0_pins_b>, <&usb0_id_pins_a>;
+       dr_mode = "host";
+       status = "okay";
+};
+
+&usbphy0 {
+       status = "okay";
+};
+
+&usb1 {
+       vbus-supply = <&reg_usb_5v>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&usb1_pins_b>;
+       dr_mode = "host";
+       status = "okay";
+};
+
+&usbphy1 {
+       status = "okay";
+};

diff --git a/arch/arm/boot/dts/imx28-xea.dts b/arch/arm/boot/dts/imx28-xea.dts
new file mode 100644 (file)
index 0000000..a400c10
--- /dev/null
+++ b/arch/arm/boot/dts/imx28-xea.dts
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2021
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
+ */
+
+/dts-v1/;
+#include "imx28-lwe.dtsi"
+
+/ {
+       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@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@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@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>;
+       };
+};
+
+&reg_fec_3v3 {
+       gpio = <&gpio0 0 0>;
+};
+
+&reg_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
+       >;
+};