Hi, On Wed, Aug 19, 2015 at 06:43:16PM +0200, codekipper@xxxxxxxxx wrote: > From: Marcus Cooper <codekipper@xxxxxxxxx> > > The A20-SOM-EVB is a reference design of a 2-layer board for the > A20-SOM. > It expands the features of A20-SOM by adding VGA connector, HDMI > connector, audio In/Out, LCD connector, 2 Mpix camera, gigabit > Ethernet, SATA, USB-OTG and 2 USB hosts. > > This patch adds basic support for the device > https://www.olimex.com/Products/SOM/A20/A20-SOM-EVB/ > > More information on the SOM can be found here > http://linux-sunxi.org/Olimex_A20-SOM. > > Signed-off-by: Marcus Cooper <codekipper@xxxxxxxxx> Is there any other SOM planned that could work with that baseboard? Or any other baseboard for that SOM? > --- > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/sun7i-a20-olinuxino-evb.dts | 233 ++++++++++++++++++++++++++ > 2 files changed, 234 insertions(+) > create mode 100644 arch/arm/boot/dts/sun7i-a20-olinuxino-evb.dts > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > index 6d7cec1..fdbda9b 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -613,6 +613,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \ > sun7i-a20-olinuxino-lime.dtb \ > sun7i-a20-olinuxino-lime2.dtb \ > sun7i-a20-olinuxino-micro.dtb \ > + sun7i-a20-olinuxino-evb.dtb \ > sun7i-a20-orangepi.dtb \ > sun7i-a20-orangepi-mini.dtb \ > sun7i-a20-pcduino3.dtb \ > diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-evb.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-evb.dts > new file mode 100644 > index 0000000..a0071fa > --- /dev/null > +++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-evb.dts > @@ -0,0 +1,233 @@ > +/* > + * Copyright 2015 - Marcus Cooper <codekipper@xxxxxxxxx> > + * > + * This file is dual-licensed: you can use it either under the terms > + * of the GPL or the X11 license, at your option. Note that this dual > + * licensing only applies to this file, and not this project as a > + * whole. > + * > + * a) This file is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License as > + * published by the Free Software Foundation; either version 2 of the > + * License, or (at your option) any later version. > + * > + * This file is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * Or, alternatively, > + * > + * b) Permission is hereby granted, free of charge, to any person > + * obtaining a copy of this software and associated documentation > + * files (the "Software"), to deal in the Software without > + * restriction, including without limitation the rights to use, > + * copy, modify, merge, publish, distribute, sublicense, and/or > + * sell copies of the Software, and to permit persons to whom the > + * Software is furnished to do so, subject to the following > + * conditions: > + * > + * The above copyright notice and this permission notice shall be > + * included in all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES > + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT > + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, > + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING > + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR > + * OTHER DEALINGS IN THE SOFTWARE. > + */ > + > +/dts-v1/; > +#include "sun7i-a20.dtsi" > +#include "sunxi-common-regulators.dtsi" > + > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/interrupt-controller/irq.h> > +#include <dt-bindings/pinctrl/sun4i-a10.h> > + > +/ { > + model = "Olimex A20-OLinuXino-EVB"; > + compatible = "olimex,a20-olinuxino-evb", "allwinner,sun7i-a20"; > + > + aliases { > + serial0 = &uart0; > + }; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > + leds { > + compatible = "gpio-leds"; > + pinctrl-names = "default"; > + pinctrl-0 = <&led_pins_olinuxinoevb>; > + > + green { > + label = "a20-olinuxino-evb:green:usr"; > + gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>; > + default-state = "on"; > + }; > + }; > + > + reg_axp_ipsout: axp_ipsout { > + compatible = "regulator-fixed"; > + regulator-name = "axp-ipsout"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + regulator-always-on; > + }; > +}; > + > +&ahci { > + target-supply = <®_ahci_5v>; > + status = "okay"; > +}; > + > +&ehci0 { > + status = "okay"; > +}; > + > +&ehci1 { > + status = "okay"; > +}; > + > +&gmac { > + pinctrl-names = "default"; > + pinctrl-0 = <&gmac_pins_rgmii_a>; > + phy = <&phy1>; > + phy-mode = "rgmii"; > + status = "okay"; > + > + phy1: ethernet-phy@1 { > + reg = <1>; > + }; > +}; > + > +&i2c0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&i2c0_pins_a>; > + status = "okay"; > + > + axp209: pmic@34 { > + compatible = "x-powers,axp209"; > + reg = <0x34>; > + interrupt-parent = <&nmi_intc>; > + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; > + > + interrupt-controller; > + #interrupt-cells = <1>; > + > + acin-supply = <®_axp_ipsout>; > + vin2-supply = <®_axp_ipsout>; > + vin3-supply = <®_axp_ipsout>; > + ldo24in-supply = <®_axp_ipsout>; > + ldo3in-supply = <®_axp_ipsout>; Please use the axp209 dtsi. > + > + regulators { > + vdd_rtc: ldo1 { > + regulator-min-microvolt = <1300000>; > + regulator-max-microvolt = <1300000>; > + regulator-always-on; > + }; > + > + avcc: ldo2 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + regulator-always-on; > + }; > + > + vcc_csi0: ldo3 { > + regulator-min-microvolt = <700000>; > + regulator-max-microvolt = <3500000>; > + regulator-always-on; > + }; > + > + vcc_csi1: ldo4 { > + regulator-min-microvolt = <1250000>; > + regulator-max-microvolt = <3300000>; > + regulator-always-on; > + }; the csi regulators are always-on too? What function do they provide? > + vdd_cpu: dcdc2 { > + regulator-min-microvolt = <700000>; > + regulator-max-microvolt = <2275000>; This is way outside of the CPU operating range. Are you sure of your constraints? > + regulator-always-on; > + }; > + > + vdd_int: dcdc3 { > + regulator-min-microvolt = <700000>; > + regulator-max-microvolt = <3500000>; > + regulator-always-on; > + }; > + }; > + }; > +}; > + > +&i2c1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&i2c1_pins_a>; > + status = "okay"; > +}; > + > +&mmc0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>; > + vmmc-supply = <®_vcc3v3>; > + bus-width = <4>; > + cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */ > + cd-inverted; > + status = "okay"; > +}; > + > +&ohci0 { > + status = "okay"; > +}; > + > +&ohci1 { > + status = "okay"; > +}; > + > +&pio { > + ahci_pwr_pin_olinuxinoevb: ahci_pwr_pin@1 { > + allwinner,pins = "PC3"; > + allwinner,function = "gpio_out"; > + allwinner,drive = <SUN4I_PINCTRL_10_MA>; > + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; > + }; > + > + led_pins_olinuxinoevb: led_pins@0 { > + allwinner,pins = "PH2"; > + allwinner,function = "gpio_out"; > + allwinner,drive = <SUN4I_PINCTRL_20_MA>; > + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; > + }; > +}; > + > +®_ahci_5v { > + pinctrl-0 = <&ahci_pwr_pin_olinuxinoevb>; > + gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>; > + status = "okay"; > +}; > + > +®_usb1_vbus { > + status = "okay"; > +}; > + > +®_usb2_vbus { > + status = "okay"; > +}; > + > +&uart0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&uart0_pins_a>; > + status = "okay"; > +}; > + > +&usbphy { > + usb1_vbus-supply = <®_usb1_vbus>; > + usb2_vbus-supply = <®_usb2_vbus>; > + status = "okay"; > +}; > -- > 2.5.0 > Thanks, Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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