[linux-sunxi][PATCH v3] ARM: sun7i: dt: Add new Olimex A20 EVB device

[Code Kipper]

On 25 September 2015 at 08:52, Maxime Ripard
<maxime.ripard at free-electrons.com> wrote:
> On Wed, Sep 23, 2015 at 08:47:50PM +0200, codekipper at gmail.com wrote:
>> From: Marcus Cooper <codekipper at gmail.com>
>>
>> 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 at gmail.com>
>> ---
>> 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 | 216 +++++++++++++++++++++++++
>>  2 files changed, 217 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 359dcb5..8419a3e 100644
>> --- a/arch/arm/boot/dts/Makefile
>> +++ b/arch/arm/boot/dts/Makefile
>> @@ -617,6 +617,7 @@ 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..41b4b4a
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
>> @@ -0,0 +1,216 @@
>> +/*
>> + * Copyright 2015 - Marcus Cooper <codekipper at gmail.com>
>> + *
>> + * 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";
>> +             };
>> +     };
>> +
>> +     reg_axp_ipsout: axp_ipsout {
>> +             compatible = "regulator-fixed";
>> +             regulator-name = "axp-ipsout";
>> +             regulator-min-microvolt = <5000000>;
>> +             regulator-max-microvolt = <5000000>;
>> +             regulator-always-on;
>> +     };
>
> Are you using that regulator somewhere?
>
>> +};
>> +
>> +&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 at 1 {
>> +             reg = <1>;
>> +     };
>> +};
>> +
>> +&i2c0 {
>> +     pinctrl-names = "default";
>> +     pinctrl-0 = <&i2c0_pins_a>;
>> +     status = "okay";
>> +
>> +     axp209: pmic at 34 {
>> +             reg = <0x34>;
>> +             interrupt-parent = <&nmi_intc>;
>> +             interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
>> +     };
>> +};
>> +
>> +&i2c1 {
>> +     pinctrl-names = "default";
>> +     pinctrl-0 = <&i2c1_pins_a>;
>> +     status = "okay";
>> +};
>
> Having aliases for these two would be great to make sure that the bus
> number is fixed.

Maybe I should remove this from the dts for now. I do use it for
controlling my i2s device but those changes would never be upstreamed.
What do you think?
CK
>
>> +&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 at 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 at 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";
>> +};
>> +
>> +&reg_usb1_vbus {
>> +     status = "okay";
>> +};
>> +
>> +&reg_usb2_vbus {
>> +     status = "okay";
>> +};
>> +
>> +&uart0 {
>> +     pinctrl-names = "default";
>> +     pinctrl-0 = <&uart0_pins_a>;
>> +     status = "okay";
>> +};
>> +
>> +&usbphy {
>> +     usb1_vbus-supply = <&reg_usb1_vbus>;
>> +     usb2_vbus-supply = <&reg_usb2_vbus>;
>> +     status = "okay";
>> +};
>> --
>> 2.4.6
>>
>
> Thanks!
> Maxime
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux, Kernel and Android engineering
> http://free-electrons.com