c3f6b2cf9f
- Most of the boards are using U-Boot, u-boot embed a DTB that isn't compiled with -@ (overlay ready) so we cannot use overlays. We want overlays, overlays are nice. - The DTS life is going to linux, then sometimes it's imported in U-Boot but it depend on the SoC family, U-Boot doesn't batch import every DTS like we do. So sometimes to U-Boot DTS are very old. Or when an interesting patch in commited upstream it is in Linux X+2 (roughly 4 months from now), we then have to wait for U-Boot to catch up, that give us between 4 and 6 months to have an update. - Some boards like the Marvell ones have 3 DTS, the one in the vendor U-Boot made by Marvell themselves, the one in u-boot mainline and the one in Linux. I found that the DTS in the Marvell U-Boot have some problem with FreeBSD (especially the macchiatobin that declare node with the same address but not the same size, that is not something that the rman code can handle, it could be modified, I don't know the code well enough). Also some compatible are used when they shouldn't, for example they declare the gpio being orion-gpio while this binding requires interrupts supports, which the node doesn't have. - The above situation is mostly the same with RockChip SoCs (possibly others, those are the only SoCs I work on that have this problem). Note that importing the DTS doesn't mean that every board will use them, I don't intend to copy the DTB to the GENERIC memstick image for the Overdrive 1000/3000 for example, the ones provided by the firmware works fine. RPI3 will still stay an exception as we use the DTB provided by the rpi-firmware package, so they come from the rpi foundation linux fork.
218 lines
4.2 KiB
Plaintext
218 lines
4.2 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Device Tree file for Marvell Armada 3720 development board
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* (DB-88F3720-DDR3)
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* Copyright (C) 2016 Marvell
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*
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* Gregory CLEMENT <gregory.clement@free-electrons.com>
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*
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* This file is compatible with the version 1.4 and the version 2.0 of
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* the board, however the CON numbers are different between the 2
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* version
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*/
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/dts-v1/;
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#include <dt-bindings/gpio/gpio.h>
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#include "armada-372x.dtsi"
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/ {
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model = "Marvell Armada 3720 Development Board DB-88F3720-DDR3";
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compatible = "marvell,armada-3720-db", "marvell,armada3720", "marvell,armada3710";
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chosen {
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stdout-path = "serial0:115200n8";
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};
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memory@0 {
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device_type = "memory";
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reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
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};
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exp_usb3_vbus: usb3-vbus {
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compatible = "regulator-fixed";
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regulator-name = "usb3-vbus";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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enable-active-high;
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regulator-always-on;
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gpio = <&gpio_exp 1 GPIO_ACTIVE_HIGH>;
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};
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usb3_phy: usb3-phy {
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compatible = "usb-nop-xceiv";
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vcc-supply = <&exp_usb3_vbus>;
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};
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vcc_sd_reg1: regulator {
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compatible = "regulator-gpio";
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regulator-name = "vcc_sd1";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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gpios = <&gpiosb 23 GPIO_ACTIVE_HIGH>;
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gpios-states = <0>;
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states = <1800000 0x1
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3300000 0x0>;
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enable-active-high;
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};
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vcc_sd_reg2: regulator-vmcc {
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compatible = "regulator-fixed";
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regulator-name = "vcc_sd2";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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enable-active-high;
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gpio = <&gpio_exp 4 GPIO_ACTIVE_HIGH>;
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};
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};
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/* Gigabit module on CON19(V2.0)/CON21(V1.4) */
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ð0 {
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pinctrl-names = "default";
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pinctrl-0 = <&rgmii_pins>;
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phy-mode = "rgmii-id";
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phy = <&phy0>;
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status = "okay";
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};
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/* Gigabit module on CON18(V2.0)/CON20(V1.4) */
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ð1 {
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phy-mode = "sgmii";
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phy = <&phy1>;
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status = "okay";
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};
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&i2c0 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c1_pins>;
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status = "okay";
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gpio_exp: pca9555@22 {
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compatible = "nxp,pca9555";
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gpio-controller;
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#gpio-cells = <2>;
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reg = <0x22>;
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/*
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* IO0_0: PWR_EN_USB2 IO1_0: PWR_EN_VTT
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* IO0_1: PWR_EN_USB23 IO1_1: MPCIE_WDISABLE
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* IO0_2: PWR_EN_SATA IO1_2: RGMII_DEV_RSTN
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* IO0_3: PWR_EN_PCIE IO1_3: SGMII_DEV_RSTN
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* IO0_4: PWR_EN_SD
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* IO0_5: PWR_EN_EMMC
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* IO0_6: PWR_EN_RGMII IO1_6: SATA_USB3.0_SEL
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* IO0_7: PWR_EN_SGMII IO1_7: PWR_MCI_PS
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*/
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};
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rtc@68 {
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/* PT7C4337A from pericom fully compatible with the ds1337 */
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compatible = "dallas,ds1337";
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reg = <0x68>;
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};
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};
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&mdio {
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status = "okay";
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phy0: ethernet-phy@0 {
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reg = <0>;
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};
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phy1: ethernet-phy@1 {
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reg = <1>;
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};
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};
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/* CON15(V2.0)/CON17(V1.4) : PCIe / CON15(V2.0)/CON12(V1.4) :mini-PCIe */
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&pcie0 {
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status = "okay";
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};
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/* CON3 */
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&sata {
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status = "okay";
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};
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&sdhci0 {
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non-removable;
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bus-width = <8>;
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mmc-ddr-1_8v;
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mmc-hs400-1_8v;
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marvell,pad-type = "fixed-1-8v";
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status = "okay";
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};
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/* SD slot module on CON14(V2.0)/CON15(V1.4) */
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&sdhci1 {
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wp-inverted;
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cd-gpios = <&gpiosb 2 GPIO_ACTIVE_LOW>;
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bus-width = <4>;
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marvell,pad-type = "sd";
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vqmmc-supply = <&vcc_sd_reg1>;
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vmmc-supply = <&vcc_sd_reg2>;
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status = "okay";
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};
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&spi0 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&spi_quad_pins>;
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m25p80@0 {
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compatible = "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <108000000>;
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spi-rx-bus-width = <4>;
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spi-tx-bus-width = <4>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "bootloader";
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reg = <0x0 0x200000>;
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};
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partition@200000 {
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label = "U-boot Env";
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reg = <0x200000 0x10000>;
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};
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partition@210000 {
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label = "Linux";
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reg = <0x210000 0xDF0000>;
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};
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};
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};
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};
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/*
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* Exported on the micro USB connector CON30(V2.0)/CON32(V1.4) through
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* an FTDI (also on CON24(V2.0)/CON26(V1.4)).
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*/
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&uart0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart1_pins>;
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status = "okay";
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};
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/* CON26(V2.0)/CON28(V1.4) */
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&uart1 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart2_pins>;
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status = "okay";
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};
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/* CON27(V2.0)/CON29(V1.4) */
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&usb2 {
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status = "okay";
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};
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/* CON29(V2.0)/CON31(V1.4) */
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&usb3 {
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status = "okay";
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usb-phy = <&usb3_phy>;
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};
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