Re: [linux-sunxi] [PATCH v6] arm64: allwinner: a64: Add initial NanoPi A64 support

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On Tue, Aug 15, 2017 at 9:14 AM, Chen-Yu Tsai <wens@xxxxxxxx> wrote:
> On Mon, Aug 14, 2017 at 6:36 PM, Jagan Teki <jagannadh.teki@xxxxxxxxx> wrote:
>> From: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
>>
>> NanoPi A64 is a new board of high performance with low cost
>> designed by FriendlyElec., using the Allwinner A64 SOC.
>>
>> Nanopi A64 features
>> - Allwinner A64, 64-bit Quad-core Cortex-A53@648MHz to 1.152GHz, DVFS
>> - 1GB DDR3 RAM
>> - MicroSD
>> - Gigabit Ethernet (RTL8211E)
>> - Wi-Fi 802.11b/g/n
>> - IR receiver
>> - Audio In/Out
>> - Video In/Out
>> - Serial Debug Port
>> - microUSB 5V 2A DC power-supply
>>
>> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
>> ---
>> Changes for v6:
>> - Moved uart0 below regulators
>> - Add comment for i2c1
>> - Update vdd-cpux volt range 1.04 ~ 1.3 V
>> - ehci0 detection https://paste.ubuntu.com/25311593/
>
> Thanks. This confirms the hardware default is OK for host-only
> usage.
>
>> - Remove space before usbphy
>> - Removed unused DLD02
>> - Add comment for DLD01 regulator-name to vcc-dsi since
>>   it's connected along with vcc-hdmi
>> - Add regulator node for DLD04 for vcc-pg
>> Changes for v5:
>> - Add AXP803 PMIC regulator support.
>> Changes for v4:
>> - Rebased and droped wi-fi related nodes, since it require
>>   other changes to taken care.
>> Changes for v3:
>> - Fix to use mmc1 for SDIO instead of mmc2
>> - Replace buswidth by 4 instead of 8 mmc1
>> - Drop cap-mmc-hw-reset for mmc1
>> Changes for v2:
>> - Added ohci0, ehci0, ohic1, ehci1, usbphy.
>> - Tested on A64
>>
>>  arch/arm64/boot/dts/allwinner/Makefile             |   1 +
>>  .../boot/dts/allwinner/sun50i-a64-nanopi-a64.dts   | 209 +++++++++++++++++++++
>>  2 files changed, 210 insertions(+)
>>  create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts
>>
>> diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
>> index 108f12c..c997b5c 100644
>> --- a/arch/arm64/boot/dts/allwinner/Makefile
>> +++ b/arch/arm64/boot/dts/allwinner/Makefile
>> @@ -1,4 +1,5 @@
>>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-bananapi-m64.dtb
>> +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-nanopi-a64.dtb
>>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-orangepi-win.dtb
>>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pine64-plus.dtb sun50i-a64-pine64.dtb
>>  dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-sopine-baseboard.dtb
>> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts
>> new file mode 100644
>> index 0000000..c2bbc75
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts
>> @@ -0,0 +1,209 @@
>> +/*
>> + * Copyright (C) 2017 Jagan Teki <jteki@xxxxxxxxxxxx>
>> + *
>> + * 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 library 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 library 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 "sun50i-a64.dtsi"
>> +
>> +#include <dt-bindings/gpio/gpio.h>
>> +
>> +/ {
>> +       model = "FriendlyARM NanoPi A64";
>> +       compatible = "friendlyarm,nanopi-a64", "allwinner,sun50i-a64";
>> +
>> +       aliases {
>> +               serial0 = &uart0;
>> +       };
>> +
>> +       chosen {
>> +               stdout-path = "serial0:115200n8";
>> +       };
>> +};
>> +
>> +&ehci0 {
>> +       status = "okay";
>> +};
>> +
>> +&ehci1 {
>> +       status = "okay";
>> +};
>> +
>> +/* i2c1 connected with gpio headers like pine64, bananapi */
>> +&i2c1 {
>> +       pinctrl-names = "default";
>> +       pinctrl-0 = <&i2c1_pins>;
>> +       status = "okay";
>
> So I rechecked some of the current dts files we have. We typically
> don't enable peripherals by default if they are on some generic
> expansion header. We do however allow listing them with an explicit
>
>     status = "disabled";
>
> Users are free to enable it themselves. The listing lets them enable
> it from U-boot with a single fdt command.
>
>> +};
>> +
>> +&i2c1_pins {
>> +       bias-pull-up;
>> +};
>> +
>> +&mmc0 {
>> +       pinctrl-names = "default";
>> +       pinctrl-0 = <&mmc0_pins>;
>> +       vmmc-supply = <&reg_dcdc1>;
>> +       cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
>> +       cd-inverted;
>> +       disable-wp;
>> +       bus-width = <4>;
>> +       status = "okay";
>> +};
>> +
>> +&ohci0 {
>> +       status = "okay";
>> +};
>> +
>> +&ohci1 {
>> +       status = "okay";
>> +};
>> +
>> +&r_rsb {
>> +       status = "okay";
>> +
>> +       axp803: pmic@3a3 {
>> +               compatible = "x-powers,axp803";
>> +               reg = <0x3a3>;
>> +               interrupt-parent = <&r_intc>;
>> +               interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
>> +       };
>> +};
>> +
>> +#include "axp803.dtsi"
>> +
>> +&reg_aldo2 {
>> +       regulator-always-on;
>> +       regulator-min-microvolt = <1800000>;
>> +       regulator-max-microvolt = <3300000>;
>> +       regulator-name = "vcc-pl";
>> +};
>> +
>> +&reg_aldo3 {
>> +       regulator-always-on;
>> +       regulator-min-microvolt = <3000000>;
>> +       regulator-max-microvolt = <3000000>;
>> +       regulator-name = "vcc-pll-avcc";
>> +};
>> +
>> +&reg_dcdc1 {
>> +       regulator-always-on;
>> +       regulator-min-microvolt = <3000000>;
>> +       regulator-max-microvolt = <3000000>;
>> +       regulator-name = "vcc-3v";
>> +};
>> +
>> +&reg_dcdc2 {
>> +       regulator-always-on;
>> +       regulator-min-microvolt = <1040000>;
>> +       regulator-max-microvolt = <1300000>;
>> +       regulator-name = "vdd-cpux";
>> +};
>> +
>> +/* DCDC3 is polyphased with DCDC2 */
>> +
>> +&reg_dcdc5 {
>> +       regulator-always-on;
>> +       regulator-min-microvolt = <1500000>;
>> +       regulator-max-microvolt = <1500000>;
>> +       regulator-name = "vcc-dram";
>> +};
>> +
>> +&reg_dcdc6 {
>> +       regulator-always-on;
>> +       regulator-min-microvolt = <1100000>;
>> +       regulator-max-microvolt = <1100000>;
>> +       regulator-name = "vdd-sys";
>> +};
>> +
>> +&reg_dldo1 {
>> +       regulator-always-on;
>> +       regulator-min-microvolt = <3300000>;
>> +       regulator-max-microvolt = <3300000>;
>> +       /* Same used for vcc-dsi */
>> +       regulator-name = "vcc-hdmi";
>
> We normally just tack on all the consumers to the name, so
> "vcc-hdmi-dsi" in this case.
>
>> +};
>> +
>> +&reg_dldo4 {
>> +       regulator-always-on;
>> +       regulator-min-microvolt = <3000000>;
>> +       regulator-max-microvolt = <3000000>;
>> +       /* Same used for vdd_wifi-io */
>> +       regulator-name = "vcc-pg";
>
> And "vcc-pg-wifi-io" here.
>
> I can fix up these bits when applying, if you are OK with the changes.

OK, please make necessary changes.

thanks!
-- 
Jagan Teki
Free Software Engineer | www.openedev.com
U-Boot, Linux | Upstream Maintainer
Hyderabad, India.
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