Add support for DH electronics i.MX8M Plus DHCOM SoM on PDK3 carrier board.
Currently supported are serial console, EQoS and FEC ethernets, eMMC, SD,
SPI NOR, CAN, M.2 E-Key or M.2 M-Key PCIe, USB .
Signed-off-by: Marek Vasut <marex@xxxxxxx>
---
Cc: Fabio Estevam <festevam@xxxxxxxxx>
Cc: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>
Cc: Li Yang <leoyang.li@xxxxxxx>
Cc: Marcel Ziswiler <marcel.ziswiler@xxxxxxxxxxx>
Cc: Marek Vasut <marex@xxxxxxx>
Cc: Matthias Schiffer <matthias.schiffer@xxxxxxxxxxxx>
Cc: Max Krummenacher <max.krummenacher@xxxxxxxxxxx>
Cc: NXP Linux Team <linux-imx@xxxxxxx>
Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Cc: Stefan Wahren <stefan.wahren@xxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
---
arch/arm64/boot/dts/freescale/Makefile | 1 +
.../boot/dts/freescale/imx8mp-dhcom-pdk3.dts | 321 ++++++++++++++++++
2 files changed, 322 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk3.dts
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 198fff3731ae4..f90b126afbaad 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -91,6 +91,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-venice-gw7902.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-beacon-kit.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-debix-model-a.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk2.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-pdk3.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-icore-mx8mp-edimm2.2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-msc-sm2s-ep1.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk3.dts b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk3.dts
new file mode 100644
index 0000000000000..c5f0607f43bcc
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk3.dts
@@ -0,0 +1,321 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2023 Marek Vasut <marex@xxxxxxx>
+ *
+ * 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
+ * PDK3 PCB number: 669-100 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 (3)";
+ compatible = "dh,imx8mp-dhcom-pdk3", "dh,imx8mp-dhcom-som",
+ "fsl,imx8mp";
+
+ chosen {
+ stdout-path = &uart1;
+ };
+
+ clk_ext_audio_codec: clock-codec {
+ #clock-cells = <0>;
+ clock-frequency = <24000000>;
+ compatible = "fixed-clock";
+ };
+
+ clk_xtal25: clk-xtal25 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+ };
+
+ connector {
+ compatible = "usb-c-connector";
+ label = "USB-C";
+ data-role = "dual";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ usb_c_0_hs_ep: endpoint {
+ remote-endpoint = <&dwc3_0_hs_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ usb_c_0_ss_ep: endpoint {
+ remote-endpoint = <&ptn5150_in_ep>;
+ };
+ };
+ };
+ };
+
+ 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 = <&gpio5 22 GPIO_ACTIVE_LOW>; /* GPIO E */
+ label = "TA4-GPIO-E";
+ linux,code = <KEY_E>;
+ pinctrl-0 = <&pinctrl_dhcom_e>;
+ pinctrl-names = "default";
+ wakeup-source;
+ };
+ };
+
+ led {
+ compatible = "gpio-leds";
+
+ led-0 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "off";
+ function = LED_FUNCTION_INDICATOR;
+ function-enumerator = <0>;
+ gpios = <&gpio4 27 GPIO_ACTIVE_HIGH>; /* GPIO D */
+ pinctrl-0 = <&pinctrl_dhcom_d>;
+ pinctrl-names = "default";
+ };
+
+ led-1 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "off";
+ function = LED_FUNCTION_INDICATOR;
+ function-enumerator = <1>;
+ 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;
+ function-enumerator = <2>;
+ gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>; /* GPIO G */
+ pinctrl-0 = <&pinctrl_dhcom_g>;
+ pinctrl-names = "default";
+ };
+
+ led-3 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "off";
+ function = LED_FUNCTION_INDICATOR;
+ function-enumerator = <3>;
+ gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */
+ pinctrl-0 = <&pinctrl_dhcom_i>;
+ pinctrl-names = "default";
+ };
+ };
+
+ reg_avdd: regulator-avdd { /* AUDIO_VDD */
+ compatible = "regulator-fixed";
+ regulator-always-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "AUDIO_VDD";
+ };
+};
+
+&i2c5 {
+ i2cmux@70 {
+ compatible = "nxp,pca9540";
+ reg = <0x70>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ i2cmuxed0: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ typec@3d {
+ compatible = "nxp,ptn5150";
+ reg = <0x3d>;
+ interrupt-parent = <&gpio4>;
+ interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ptn5150>;
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ ptn5150_in_ep: endpoint {
+ remote-endpoint = <&usb_c_0_ss_ep>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ ptn5150_out_ep: endpoint {
+ remote-endpoint = <&dwc3_0_ss_ep>;
+ };
+ };
+ };
+ };
+
+ power-sensor@40 {
+ compatible = "ti,ina238";
+ reg = <0x40>;
+ shunt-resistor = <20000>; /* 0.02 R */
+ ti,shunt-gain = <1>; /* Drop cca. 40mV */
+ };
+
+ eeprom_board: eeprom@54 {
+ compatible = "atmel,24c04";
+ pagesize = <16>;
+ reg = <0x54>;
+ };
+
+ pcieclk: clk@6b {
+ compatible = "skyworks,si52144";
+ reg = <0x6b>;
+ clocks = <&clk_xtal25>;
+ #clock-cells = <1>;
+ };
+ };
+
+ i2cmuxed1: i2c@1 { /* HDMI DDC I2C */
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+ };
+};
+
+ðphy0g {
+ reg = <7>;
+};
+
+&fec { /* Second ethernet */
+ pinctrl-0 = <&pinctrl_fec_rgmii>;
+ phy-handle = <ðphypdk>;
+ phy-mode = "rgmii-id";
+
+ mdio {
+ ethphypdk: ethernet-phy@7 { /* Micrel KSZ9131RNXI */
+ compatible = "ethernet-phy-id0022.1642",
+ "ethernet-phy-ieee802.3-c22";
+ interrupt-parent = <&gpio4>;
+ interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+ pinctrl-0 = <&pinctrl_ethphy1>;
+ pinctrl-names = "default";
+ reg = <7>;
+ reset-assert-us = <1000>;
+ /* RESET_N signal rise time ~100ms */
+ reset-deassert-us = <120000>;
+ reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
+ status = "okay";
+ };
+ };
+};
+
+&flexcan1 {
+ status = "okay";
+};
+
+&pcie_phy {
+ clocks = <&pcieclk 1>;
+ clock-names = "ref";
+ fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
+ status = "okay";
+};
+
+&pcie {
+ fsl,max-link-speed = <3>;
+ reset-gpio = <&gpio1 6 GPIO_ACTIVE_LOW>;
+ status = "okay";
+};
+
+&usb_dwc3_0 {
+ usb-role-switch;
+
+ port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dwc3_0_hs_ep: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&usb_c_0_hs_ep>;
+ };
+
+ dwc3_0_ss_ep: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&ptn5150_out_ep>;
+ };
+ };
+};
+
+&usb3_1 {
+ fsl,disable-port-power-control;
+ fsl,permanently-attached;
+};
+
+&usb_dwc3_1 {
+ /* This port has USB5734 Hub connected to it, PWR/OC pins are unused */
+ /delete-property/ pinctrl-names;
+ /delete-property/ pinctrl-0;
+};
+
+&iomuxc {
+ /*
+ * GPIO_A,B,C,E are connected to buttons.
+ * GPIO_D,F,G,I are connected to LEDs.
+ * GPIO_H is connected to USB Hub RESET_N.
+ * GPIO_M is connected to CLKOUT2.
+ */
+ pinctrl-0 = <&pinctrl_hog_base
+ &pinctrl_dhcom_h &pinctrl_dhcom_j &pinctrl_dhcom_k
+ &pinctrl_dhcom_l
+ &pinctrl_dhcom_int>;
+
+ pinctrl_ptn5150: ptn5150grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI2_TXC__GPIO4_IO25 0x40000000
+ >;
+ };
+};
--
2.39.2
