Hi Vladimir, On mar., janv. 15 2019, Vladimir Vid <vladimir.vid@xxxxxxxxxx> wrote: > This adds initial support for micro-DPU (uDPU) board which is based on > Armada-3720 SoC. micro-DPU is the single-port FTTdp distribution point > unit made by Methode Electronics which offers complete modularity with > replaceable SFP modules both for uplink and downlink (G.hn over > twisted-pair, G.hn over coax, 1G and 2.5G Ethernet over Cat-5e cable). > > On-board features: > - 512 MiB DDR3 > - 2 x 2.5G SFP via HSGMII SERDES interface to the A3720 SoC > - USB 2.0 Type-C connector > - 4GB eMMC > - ETSI TS 101548 reverse powering via twisted pair (RJ45) or coax (F Type) > > Cc: Luka Perkov <luka.perkov@xxxxxxxxxx> > Cc: Luis Torres <luis.torres@xxxxxxxxxxx> > Cc: Scott Roberts <scott.roberts@xxxxxxxxx> > Cc: Paul Arola <paul.arola@xxxxxxxxx> > Cc: Andrew Lunn <andrew@xxxxxxx> > Cc: Jason Cooper <jason@xxxxxxxxxxxxxx> > Cc: Gregory Clement <gregory.clement@xxxxxxxxxxx> > Cc: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx> > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Signed-off-by: Vladimir Vid <vladimir.vid@xxxxxxxxxx> > --- > > v2: > - add compatible string for the uDPU board > - add names and labels for the LEDs > - remove unused mdio node > - remove eeprom nodes > > v3: > - update copyright year for Methode and Telus > - fix Methode copyright (use Methode Electornics instead of Methode) > - sort compatible string by relevance, remove armada-3720-db and > armada3710 to keep it generic > > v4: > - add generic names for LEDs since they don't use regs > - add 'partitions' section to standarize with other A37xx/A7K/A8K dts's > - remove usb3 phandle because of the broken usb_phy (previously used on > Marvell linux repo) and since usb support is still work in progress > > --- > MAINTAINERS | 5 + > arch/arm64/boot/dts/marvell/Makefile | 1 + > .../boot/dts/marvell/armada-3720-uDPU.dts | 163 ++++++++++++++++++ > 3 files changed, 169 insertions(+) > create mode 100644 arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts > > diff --git a/MAINTAINERS b/MAINTAINERS > index 4d04cebb4a71..4ba06bfc1a1e 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -9852,6 +9852,11 @@ F: drivers/media/platform/meson/ao-cec.c > F: Documentation/devicetree/bindings/media/meson-ao-cec.txt > T: git git://linuxtv.org/media_tree.git > > +METHODE UDPU SUPPORT > +M: Vladimir Vid <vladimir.vid@xxxxxxxxxx> > +S: Maintained > +F: arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts > + > MICROBLAZE ARCHITECTURE > M: Michal Simek <monstr@xxxxxxxxx> > W: http://www.monstr.eu/fdt/ > diff --git a/arch/arm64/boot/dts/marvell/Makefile b/arch/arm64/boot/dts/marvell/Makefile > index 2eff1f927471..caed4334f27d 100644 > --- a/arch/arm64/boot/dts/marvell/Makefile > +++ b/arch/arm64/boot/dts/marvell/Makefile > @@ -2,6 +2,7 @@ > # Mvebu SoC Family > dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-db.dtb > dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-espressobin.dtb > +dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-uDPU.dtb > dtb-$(CONFIG_ARCH_MVEBU) += armada-7040-db.dtb > dtb-$(CONFIG_ARCH_MVEBU) += armada-8040-clearfog-gt-8k.dtb > dtb-$(CONFIG_ARCH_MVEBU) += armada-8040-db.dtb > diff --git a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts > new file mode 100644 > index 000000000000..1d7e6c82d3ec > --- /dev/null > +++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts > @@ -0,0 +1,163 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Device tree for the uDPU board. > + * Based on Marvell Armada 3720 development board (DB-88F3720-DDR3) > + * Copyright (C) 2016 Marvell > + * Copyright (C) 2019 Methode Electronics > + * Copyright (C) 2019 Telus > + * > + * Vladimir Vid <vladimir.vid@xxxxxxxxxx> > + */ > + > +/dts-v1/; > + > +#include <dt-bindings/gpio/gpio.h> > +#include "armada-372x.dtsi" > + > +/ { > + model = "Methode uDPU Board"; > + compatible = "methode,udpu", "marvell,armada3720"; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > + memory@0 { > + device_type = "memory"; > + reg = <0x00000000 0x00000000 0x00000000 0x20000000>; > + }; > + > + leds { > + pinctrl-names = "default"; > + compatible = "gpio-leds"; > + > + power1 { > + label = "power:green:led1"; > + gpios = <&gpionb 11 GPIO_ACTIVE_LOW>; > + default-state = "off"; > + }; > + > + power2 { > + label = "power:red:led1"; > + gpios = <&gpionb 12 GPIO_ACTIVE_HIGH>; > + default-state = "off"; > + }; > + > + network1 { > + label = "network:green:led2"; > + gpios = <&gpionb 13 GPIO_ACTIVE_HIGH>; > + default-state = "off"; > + }; > + > + network2 { > + label = "network:red:led2"; > + gpios = <&gpionb 14 GPIO_ACTIVE_HIGH>; > + default-state = "off"; > + }; > + > + alarm1 { > + label = "alarm:green:led3"; > + gpios = <&gpionb 15 GPIO_ACTIVE_HIGH>; > + default-state = "off"; > + }; > + > + alarm2 { > + label = "alarm:red:led3"; > + gpios = <&gpionb 16 GPIO_ACTIVE_HIGH>; > + default-state = "off"; > + }; > + }; > + > + sfp_eth0: sfp-eth0 { > + compatible = "sff,sfp"; > + i2c-bus = <&i2c0>; > + los-gpio = <&gpiosb 2 GPIO_ACTIVE_HIGH>; > + mod-def0-gpio = <&gpiosb 3 GPIO_ACTIVE_LOW>; > + tx-disable-gpio = <&gpiosb 4 GPIO_ACTIVE_HIGH>; > + tx-fault-gpio = <&gpiosb 5 GPIO_ACTIVE_HIGH>; > + }; > + > + sfp_eth1: sfp-eth1 { > + compatible = "sff,sfp"; > + i2c-bus = <&i2c1>; > + los-gpio = <&gpiosb 7 GPIO_ACTIVE_HIGH>; > + mod-def0-gpio = <&gpiosb 8 GPIO_ACTIVE_LOW>; > + tx-disable-gpio = <&gpiosb 9 GPIO_ACTIVE_HIGH>; > + tx-fault-gpio = <&gpiosb 10 GPIO_ACTIVE_HIGH>; > + }; > +}; > + > +&sdhci0 { > + non-removable; > + bus-width = <8>; > + mmc-ddr-1_8v; > + mmc-hs400-1_8v; > + marvell,pad-type = "fixed-1-8v"; > + status = "okay"; > +}; > + > +&sdhci1 { > + marvell,xenon-phy-type = "emmc 5.0 phy"; You have a GPIO for a card detect here: > + cd-gpios = <&gpiosb 2 GPIO_ACTIVE_LOW>; > + bus-width = <4>; > + marvell,pad-type = "fixed-1-8v"; > + status = "okay"; But here you say that the card is not removable: > + non-removable; > + no-sd; > + no-sdio; Can you explain what do you expect to be connected here? Thanks, Gregory > +}; > + > +&spi0 { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&spi_quad_pins>; > + > + m25p80@0 { > + compatible = "jedec,spi-nor"; > + reg = <0>; > + #address-cells = <1>; > + #size-cells = <1>; > + spi-max-frequency = <54000000>; > + > + partitions { > + compatible = "fixed-partitions"; > + #address-cells = <1>; > + #size-cells = <1>; > + /* only bootloader is located on the SPI */ > + partition@0 { > + label = "uboot"; > + reg = <0 0x400000>; > + }; > + }; > + }; > +}; > + > +&i2c0 { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&i2c1_pins>; > +}; > + > +&i2c1 { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&i2c2_pins>; > +}; > + > +ð0 { > + phy-mode = "sgmii"; > + status = "okay"; > + managed = "in-band-status"; > + sfp = <&sfp_eth0>; > +}; > + > +ð1 { > + phy-mode = "sgmii"; > + status = "okay"; > + managed = "in-band-status"; > + sfp = <&sfp_eth1>; > +}; > + > +&uart0 { > + status = "okay"; > +}; > -- > 2.19.0 > -- Gregory Clement, Bootlin Embedded Linux and Kernel engineering http://bootlin.com
