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Date: Mon, 12 Oct 2020 09:08:50 +0200
From: Andre Heider <a.heider@...il.com>
To: Vladimir Vid <vladimir.vid@...tura.hr>, devicetree@...r.kernel.org
Cc: tmn505@...il.com, andrew@...n.ch, jason@...edaemon.net,
gregory.clement@...tlin.com, linux-kernel@...r.kernel.org,
robh+dt@...nel.org, linux-arm-kernel@...ts.infradead.org,
sebastian.hesselbarth@...il.com
Subject: Re: [PATCH] arm64: dts: marvell: add DT for ESPRESSObin-Ultra
Hi Vladimir,
a few comments, all by just comparing this device tree to the other
espressobin files.
On 09/10/2020 17:27, Vladimir Vid wrote:
> This adds support for ESPRESSObin-Ultra from Globalscale.
>
> Specifications are similar to the base ESPRESSObin board, with main
> difference being being WAN port with PoE capability and 2 additional ethernet ports.
>
> Full specifications:
>
> 1x Marvell 64 bit Dual Core ARM A53 Armada 3700 SOC clocked up to 1.2Ghz
> 1x Topaz 6341 Networking Switch
> 1GB DDR4
> 8GB eMMC
> 1x WAN with 30W POE
> 4x Gb LAN
> 1x RTC Clock and battery
> 1x DC Jack
> 1x USB 3.0 Type A
> 1x USB 2.0 Type A
> 1x SIM NanoSIM card Slot
This one isn't enabled, is it not working?
> 1x Power Button
> 4x LED
> 1x Reset button
> 1x microUSB for UART
> 1x M.2 2280 slot for memory
> 1x 2x2 802.11ac Wi-Fi
> 1x MiniPCIE slot for Wi-Fi (PCIe interface)
>
> Signed-off-by: Vladimir Vid <vladimir.vid@...tura.hr>
> ---
> arch/arm64/boot/dts/marvell/Makefile | 1 +
> .../marvell/armada-3720-espressobin-ultra.dts | 242 ++++++++++++++++++
> 2 files changed, 243 insertions(+)
> create mode 100644 arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts
>
> diff --git a/arch/arm64/boot/dts/marvell/Makefile b/arch/arm64/boot/dts/marvell/Makefile
> index 3e5f2e7a040c..094f451fdd1d 100644
> --- a/arch/arm64/boot/dts/marvell/Makefile
> +++ b/arch/arm64/boot/dts/marvell/Makefile
> @@ -3,6 +3,7 @@
> dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-db.dtb
> dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-espressobin.dtb
> dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-espressobin-emmc.dtb
> +dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-espressobin-ultra.dtb
> dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-espressobin-v7.dtb
> dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-espressobin-v7-emmc.dtb
> dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-turris-mox.dtb
> diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts
> new file mode 100644
> index 000000000000..25d10b628e77
> --- /dev/null
> +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts
> @@ -0,0 +1,242 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Device Tree file for ESPRESSObin-Ultra board.
> + * Copyright (C) 2019 Globalscale technologies, Inc.
> + *
> + * Jason Hung <jhung@...balscaletechnologies.com>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include "armada-372x.dtsi"
> +
> +/ {
> + model = "Marvell Armada 3720 ESPRESSOBin-Ultra";
the other espressobin boards use "Globalscale Marvell ESPRESSOBin
Board", so maybe "Globalscale Marvell ESPRESSOBin Ultra Board"?
> + compatible = "globalscale,espressobin-ultra", "marvell,armada3720",
> + "marvell,armada3710";
> +
> + aliases {
> + ethernet0 = ð0;
> + /* for dsa slave device */
> + ethernet1 = &switch0port1;
> + ethernet2 = &switch0port2;
> + ethernet3 = &switch0port3;
> + ethernet4 = &switch0port4;
> + ethernet5 = &switch0port5;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + memory@0 {
> + device_type = "memory";
> + reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
> + };
> +
> + reg_usb3_vbus: usb3-vbus {
> + compatible = "regulator-fixed";
> + regulator-name = "usb3-vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + enable-active-high;
> + gpio = <&gpionb 19 GPIO_ACTIVE_HIGH>;
> + };
> +
> + usb3_phy: usb3-phy {
> + compatible = "usb-nop-xceiv";
> + vcc-supply = <®_usb3_vbus>;
> + };
> +
> + gpio-leds {
> + pinctrl-names = "default";
> + compatible = "gpio-leds";
> + /* No assigned functions to the LEDs by default */
> + led1 {
> + label = "ebin-ultra:blue:led1";
> + gpios = <&gpionb 11 GPIO_ACTIVE_LOW>;
> + };
> + led2 {
> + label = "ebin-ultra:green:led2";
> + gpios = <&gpionb 12 GPIO_ACTIVE_LOW>;
> + };
> + led3 {
> + label = "ebin-ultra:red:led3";
> + gpios = <&gpionb 13 GPIO_ACTIVE_LOW>;
> + };
> + led4 {
> + label = "ebin-ultra:yellow:led4";
> + gpios = <&gpionb 14 GPIO_ACTIVE_LOW>;
> + };
> + };
> +};
> +
> +&pcie0 {
> + status = "okay";
armada-3720-espressobin.dtsi additionally has:
pinctrl-names = "default";
pinctrl-0 = <&pcie_reset_pins &pcie_clkreq_pins>;
reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>;
is it missing here?
> +};
> +
> +&sata {
> + status = "okay";
also from armada-3720-espressobin.dtsi, missing?
phys = <&comphy2 0>;
phy-names = "sata-phy";
> +};
> +
> +&sdhci0 {
> + status = "okay";
> + non-removable;
> + bus-width = <8>;
> + mmc-ddr-1_8v;
> + mmc-hs400-1_8v;
> + marvell,pad-type = "fixed-1-8v";
> +};
again from armada-3720-espressobin.dtsi, maybe use as-is to keep the
differences to a minimum?
non-removable;
bus-width = <8>;
mmc-ddr-1_8v;
mmc-hs400-1_8v;
marvell,xenon-emmc;
marvell,xenon-tun-count = <9>;
marvell,pad-type = "fixed-1-8v";
pinctrl-names = "default";
pinctrl-0 = <&mmc_pins>;
#address-cells = <1>;
#size-cells = <0>;
mmccard: mmccard@0 {
compatible = "mmc-card";
reg = <0>;
};
> +
> +&spi0 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&spi_quad_pins>;
> +
> + flash@0 {
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + spi-max-frequency = <108000000>;
> + spi-rx-bus-width = <4>;
> + spi-tx-bus-width = <4>;
> + m25p,fast-read;
> +
> + partitions {
> + compatible = "fixed-partitions";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + partition@0 {
> + label = "u-boot";
as Pali mentioned, that's more than just u-boot, the other espressobin
device trees use "firmware" here.
> + reg = <0x0 0x3e0000>;
> + };
> + partition@...000 {
> + label = "hw-info";
any idea what's in there?
> + reg = <0x3e0000 0x10000>;
> + read-only;
> + };
> + partition@...000 {
> + label = "u-boot-env";
> + reg = <0x3f0000 0x10000>;
> + };
> + };
> + };
> +};
> +
> +&uart0 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart1_pins>;
> +};
> +
> +&i2c0 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c1_pins>;
> +
> + clock-frequency = <100000>;
> +
> + rtc@51 {
> + compatible = "nxp,pcf8563";
> + reg = <0x51>;
> + };
> +};
> +
> +&usb3 {
> + status = "okay";
> + usb-phy = <&usb3_phy>;
That node comes from armada-37xx.dtsi and has:
phys = <&comphy0 0>, <&usb2_utmi_otg_phy>;
phy-names = "usb3-phy", "usb2-utmi-otg-phy";
Are those supposed to be mixed?
> +};
> +
> +&usb2 {
> + status = "okay";
> +};
> +
> +ð0 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&rgmii_pins>;
> + phy-mode = "rgmii-id";
> +
> + fixed-link {
> + speed = <1000>;
> + full-duplex;
> + };
> +};
> +
> +&mdio {
> + status = "okay";
I think that's not required here.
> +
> + extphy: ethernet-phy@0 {
> + reg = <1>;
> + };
> +
> + switch0: switch0@1 {
> + compatible = "marvell,mv88e6085";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <3>;
> +
> + dsa,member = <0 0>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + switch0port0: port@0 {
> + reg = <0>;
> + label = "cpu";
> + ethernet = <ð0>;
armada-3720-espressobin.dtsi has these too:
phy-mode = "rgmii-id";
fixed-link {
speed = <1000>;
full-duplex;
};
Which matches with the ð0 setup from above.
> + };
> +
> + switch0port1: port@1 {
> + reg = <1>;
> + label = "lan0";
> + phy-handle = <&switch0phy1>;
> + };
> +
> + switch0port2: port@2 {
> + reg = <2>;
> + label = "lan1";
> + phy-handle = <&switch0phy2>;
> + };
> +
> + switch0port3: port@3 {
> + reg = <3>;
> + label = "lan2";
> + phy-handle = <&switch0phy3>;
> + };
> +
> + switch0port4: port@4 {
> + reg = <4>;
> + label = "lan3";
> + phy-handle = <&switch0phy4>;
> + };
> +
> + switch0port5: port@5 {
> + reg = <5>;
> + label = "wan";
> + phy-handle = <&extphy>;
> + phy-mode = "sgmii";
> + };
> + };
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + switch0phy1: switch0phy1@11 {
> + reg = <0x11>;
> + };
> + switch0phy2: switch0phy2@12 {
> + reg = <0x12>;
> + };
> + switch0phy3: switch0phy3@13 {
> + reg = <0x13>;
> + };
> + switch0phy4: switch0phy4@14 {
> + reg = <0x14>;
> + };
> + };
> + };
> +};
>
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