Re: [PATCH v4] ARM: sun7i: dt: Add new Olimex A20 EVB device

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On Sun, Sep 27, 2015 at 08:16:42AM +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.
> 
> Signed-off-by: Marcus Cooper <codekipper@xxxxxxxxx>
> ---
> Changes since v3:
> - removed i2c1 as it's not used
> - removed axp_ipsout regulator
> Changes since v2:
> - changed dcdc2 to have max voltage of 1.4V
> Changes since v1:
> - renamed dts from sun7i-a20-olinuxino-evb to sun7i-a20-olimex-som-evb
> - added "axp209 dtsi"
> - change regulator settings
> ---
>  arch/arm/boot/dts/Makefile                     |   1 +
>  arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts | 202 +++++++++++++++++++++++++
>  2 files changed, 203 insertions(+)
>  create mode 100644 arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 1c5f225..0e87a54 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -618,6 +618,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \
>  	sun7i-a20-i12-tvbox.dtb \
>  	sun7i-a20-m3.dtb \
>  	sun7i-a20-mk808c.dtb \
> +	sun7i-a20-olimex-som-evb.dtb \
>  	sun7i-a20-olinuxino-lime.dtb \
>  	sun7i-a20-olinuxino-lime2.dtb \
>  	sun7i-a20-olinuxino-micro.dtb \
> diff --git a/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
> new file mode 100644
> index 0000000..3317c22
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
> @@ -0,0 +1,202 @@
> +/*
> + * 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-Olimex-SOM-EVB";
> +	compatible = "olimex,a20-olimex-som-evb", "allwinner,sun7i-a20";
> +
> +	aliases {
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&led_pins_olimex_som_evb>;
> +
> +		green {
> +			label = "a20-olimex-som-evb:green:usr";
> +			gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
> +			default-state = "on";
> +		};
> +	};
> +};
> +
> +&ahci {
> +	target-supply = <&reg_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 {
> +		reg = <0x34>;
> +		interrupt-parent = <&nmi_intc>;
> +		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> +	};
> +};
> +
> +&mmc0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
> +	vmmc-supply = <&reg_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_olimex_som_evb: 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_olimex_som_evb: led_pins@0 {
> +		allwinner,pins = "PH2";
> +		allwinner,function = "gpio_out";
> +		allwinner,drive = <SUN4I_PINCTRL_20_MA>;
> +		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> +	};
> +};
> +
> +&reg_ahci_5v {
> +	pinctrl-0 = <&ahci_pwr_pin_olimex_som_evb>;
> +	gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
> +	status = "okay";
> +};
> +
> +#include "axp209.dtsi"
> +
> +&reg_dcdc2 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <1000000>;
> +	regulator-max-microvolt = <1400000>;
> +	regulator-name = "vdd-cpu";
> +};
> +
> +&reg_dcdc3 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <1000000>;
> +	regulator-max-microvolt = <1400000>;
> +	regulator-name = "vdd-int-dll";
> +};
> +
> +&reg_ldo1 {
> +	regulator-name = "vdd-rtc";
> +};
> +
> +&reg_ldo2 {
> +	regulator-always-on;
> +	regulator-min-microvolt = <3000000>;
> +	regulator-max-microvolt = <3000000>;
> +	regulator-name = "avcc";
> +};
> +
> +&reg_usb0_vbus {
> +	status = "okay";
> +};

I don't see that regulator used anywhere?

Thanks,
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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