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-rw-r--r--arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2.dts168
1 files changed, 168 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2.dts b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2.dts
new file mode 100644
index 000000000..382fbedaf
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2.dts
@@ -0,0 +1,168 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2022 Marek Vasut <marex@denx.de>
+ *
+ * DHCOM iMX8MP variant:
+ * DHCM-iMX8ML8-C160-R409-F1638-SPI16-GE-CAN2-SD-RTC-WBTA-ADC-T-RGB-CSI2-HS-I-01D2
+ * DHCOM PCB number: 660-100 or newer
+ * PDK2 PCB number: 516-400 or newer
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/phy/phy-imx8-pcie.h>
+#include "imx8mp-dhcom-som.dtsi"
+
+/ {
+ model = "DH electronics i.MX8M Plus DHCOM Premium Developer Kit (2)";
+ compatible = "dh,imx8mp-dhcom-pdk2", "dh,imx8mp-dhcom-som",
+ "fsl,imx8mp";
+
+ chosen {
+ stdout-path = &uart1;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ button-0 {
+ gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; /* GPIO A */
+ label = "TA1-GPIO-A";
+ linux,code = <KEY_A>;
+ pinctrl-0 = <&pinctrl_dhcom_a>;
+ pinctrl-names = "default";
+ wakeup-source;
+ };
+
+ button-1 {
+ gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; /* GPIO B */
+ label = "TA2-GPIO-B";
+ linux,code = <KEY_B>;
+ pinctrl-0 = <&pinctrl_dhcom_b>;
+ pinctrl-names = "default";
+ wakeup-source;
+ };
+
+ button-2 {
+ gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; /* GPIO C */
+ label = "TA3-GPIO-C";
+ linux,code = <KEY_C>;
+ pinctrl-0 = <&pinctrl_dhcom_c>;
+ pinctrl-names = "default";
+ wakeup-source;
+ };
+
+ button-3 {
+ gpios = <&gpio4 27 GPIO_ACTIVE_LOW>; /* GPIO D */
+ label = "TA4-GPIO-D";
+ linux,code = <KEY_D>;
+ pinctrl-0 = <&pinctrl_dhcom_d>;
+ pinctrl-names = "default";
+ wakeup-source;
+ };
+ };
+
+ led {
+ compatible = "gpio-leds";
+
+ led-0 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "off";
+ function = LED_FUNCTION_INDICATOR;
+ gpios = <&gpio5 22 GPIO_ACTIVE_HIGH>; /* GPIO E */
+ pinctrl-0 = <&pinctrl_dhcom_e>;
+ pinctrl-names = "default";
+ };
+
+ led-1 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "off";
+ function = LED_FUNCTION_INDICATOR;
+ gpios = <&gpio5 23 GPIO_ACTIVE_HIGH>; /* GPIO F */
+ pinctrl-0 = <&pinctrl_dhcom_f>;
+ pinctrl-names = "default";
+ };
+
+ led-2 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "off";
+ function = LED_FUNCTION_INDICATOR;
+ gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>; /* GPIO H */
+ pinctrl-0 = <&pinctrl_dhcom_h>;
+ pinctrl-names = "default";
+ };
+
+ led-3 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "off";
+ function = LED_FUNCTION_INDICATOR;
+ gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */
+ pinctrl-0 = <&pinctrl_dhcom_i>;
+ pinctrl-names = "default";
+ };
+ };
+};
+
+/*
+ * PDK2 carrier board uses SoM with KSZ9131 populated and connected to
+ * SoM EQoS ethernet RGMII interface. Remove the other SoM PHY DT node.
+ */
+/delete-node/ &ethphy0f;
+
+/*
+ * PDK2 carrier board has KSZ9021 PHY populated and connected to SoM FEC
+ * ethernet RGMII interface. The SoM is not populated with second FEC PHY.
+ */
+/delete-node/ &ethphy1f;
+
+&fec { /* Second ethernet */
+ phy-handle = <&ethphypdk>;
+
+ mdio {
+ ethphypdk: ethernet-phy@7 { /* KSZ 9021 */
+ compatible = "ethernet-phy-ieee802.3-c22";
+ pinctrl-0 = <&pinctrl_ethphy1>;
+ pinctrl-names = "default";
+ interrupt-parent = <&gpio4>;
+ interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+ max-speed = <100>;
+ reg = <7>;
+ reset-assert-us = <1000>;
+ reset-deassert-us = <1000>;
+ reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
+ rxc-skew-ps = <3000>;
+ rxd0-skew-ps = <0>;
+ rxd1-skew-ps = <0>;
+ rxd2-skew-ps = <0>;
+ rxd3-skew-ps = <0>;
+ rxdv-skew-ps = <0>;
+ txc-skew-ps = <3000>;
+ txd0-skew-ps = <0>;
+ txd1-skew-ps = <0>;
+ txd2-skew-ps = <0>;
+ txd3-skew-ps = <0>;
+ txen-skew-ps = <0>;
+ };
+ };
+};
+
+&flexcan1 {
+ status = "okay";
+};
+
+&usb3_1 {
+ fsl,over-current-active-low;
+};
+
+&iomuxc {
+ /*
+ * GPIO_A,B,C,D are connected to buttons.
+ * GPIO_E,F,H,I are connected to LEDs.
+ * GPIO_M is connected to CLKOUT2.
+ */
+ pinctrl-0 = <&pinctrl_hog_base
+ &pinctrl_dhcom_g &pinctrl_dhcom_j
+ &pinctrl_dhcom_k &pinctrl_dhcom_l
+ &pinctrl_dhcom_int>;
+};