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Date: Mon, 30 Jul 2018 17:17:13 +0800
From: Chen-Yu Tsai <wens@...e.org>
To: Maxime Ripard <maxime.ripard@...tlin.com>
Cc: Jagan Teki <jagan@...rulasolutions.com>,
Icenowy Zheng <icenowy@...c.io>,
devicetree <devicetree@...r.kernel.org>,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
linux-kernel <linux-kernel@...r.kernel.org>,
linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [PATCH] arm64: allwinner: h6: Add OrangePi One Plus initial support
On Mon, Jul 30, 2018 at 5:00 PM, Maxime Ripard
<maxime.ripard@...tlin.com> wrote:
> Hi,
>
> On Sat, Jul 28, 2018 at 11:56:15PM +0530, Jagan Teki wrote:
>> OrangePi One Plus is Allwinner H6 based open-source SBC,
>> which support:
>> - Allwinner H6 Quad-core 64-bit ARM Cortex-A53
>> - GPU Mali-T720
>> - 1GB LPDDR3 RAM
>> - AXP805 PMIC
>> - 1Gbps GMAC via RTL8211
>> - USB 2.0 Host, OTG
>> - HDMI port
>> - 5V/2A DC power supply
>>
>> Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
>> ---
>> arch/arm64/boot/dts/allwinner/Makefile | 1 +
>> .../allwinner/sun50i-h6-orangepi-one-plus.dts | 150 ++++++++++++++++++
>> 2 files changed, 151 insertions(+)
>> create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dts
>>
>> diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
>> index 9ffa7a038791..c38f326e7fec 100644
>> --- a/arch/arm64/boot/dts/allwinner/Makefile
>> +++ b/arch/arm64/boot/dts/allwinner/Makefile
>> @@ -15,4 +15,5 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-pc2.dtb
>> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-prime.dtb
>> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-zero-plus.dtb
>> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-orangepi-zero-plus2.dtb
>> +dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-orangepi-one-plus.dtb
>> dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h6-pine-h64.dtb
>> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dts
>> new file mode 100644
>> index 000000000000..0612c19cd994
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dts
>> @@ -0,0 +1,150 @@
>> +// SPDX-License-Identifier: (GPL-2.0+ or MIT)
>> +/*
>> + * Copyright (C) 2018 Amarula Solutions
>> + * Author: Jagan Teki <jagan@...rulasolutions.com>
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "sun50i-h6.dtsi"
>> +
>> +#include <dt-bindings/gpio/gpio.h>
>> +
>> +/ {
>> + model = "OrangePi One Plus";
>> + compatible = "xunlong,orangepi-one-plus", "allwinner,sun50i-h6";
>> +
>> + aliases {
>> + serial0 = &uart0;
>> + };
>> +
>> + chosen {
>> + stdout-path = "serial0:115200n8";
>> + };
>> +};
>> +
>> +&mmc0 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&mmc0_pins>;
>> + vmmc-supply = <®_cldo1>;
>> + cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
>> + bus-width = <4>;
>> + status = "okay";
>> +};
>> +
>> +&r_i2c {
>> + status = "okay";
>> +
>> + axp805: pmic@36 {
>> + compatible = "x-powers,axp805", "x-powers,axp806";
>> + reg = <0x36>;
>> + interrupt-parent = <&r_intc>;
>> + interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
>> + interrupt-controller;
>> + #interrupt-cells = <1>;
>> + x-powers,self-working-mode;
>> +
>> + regulators {
>> + reg_aldo1: aldo1 {
>> + regulator-always-on;
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + regulator-name = "vcc-pl";
>> + };
>> +
>> + reg_aldo2: aldo2 {
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + regulator-name = "vcc-ac200";
>> + };
>> +
>> + reg_aldo3: aldo3 {
>> + regulator-always-on;
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + regulator-name = "vcc25-dram";
>> + };
>> +
>> + reg_bldo1: bldo1 {
>> + regulator-always-on;
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-name = "vcc-bias-pll";
>> + };
>> +
>> + reg_bldo2: bldo2 {
>> + regulator-always-on;
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-name = "vcc-efuse-pcie-hdmi-io";
>> + };
>> +
>> + reg_bldo3: bldo3 {
>> + regulator-always-on;
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-name = "vcc-dcxoio";
>> + };
>> +
>> + bldo4 {
>> + /* unused */
>> + };
>> +
>> + reg_cldo1: cldo1 {
>> + regulator-always-on;
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + regulator-name = "vcc-3v3";
>> + };
>> +
>> + reg_cldo2: cldo2 {
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + regulator-name = "vcc-wifi-1";
>> + };
>> +
>> + reg_cldo3: cldo3 {
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + regulator-name = "vcc-wifi-2";
>> + };
>> +
>> + reg_dcdca: dcdca {
>> + regulator-always-on;
>> + regulator-min-microvolt = <810000>;
>> + regulator-max-microvolt = <1080000>;
>> + regulator-name = "vdd-cpu";
>> + };
>> +
>> + reg_dcdcc: dcdcc {
>> + regulator-min-microvolt = <810000>;
>> + regulator-max-microvolt = <1080000>;
>> + regulator-name = "vdd-gpu";
>> + };
>> +
>> + reg_dcdcd: dcdcd {
>> + regulator-always-on;
>> + regulator-min-microvolt = <960000>;
>> + regulator-max-microvolt = <960000>;
>> + regulator-name = "vdd-sys";
>> + };
>> +
>> + reg_dcdce: dcdce {
>> + regulator-always-on;
>> + regulator-min-microvolt = <1200000>;
>> + regulator-max-microvolt = <1200000>;
>> + regulator-name = "vcc-dram";
>> + };
>> +
>> + sw {
>> + /* unused */
>> + };
>
> Can't we have a DTSI for this PMIC too?
Back when we started adding the regulators, Mark wasn't too happy with
all the placeholders we put in the dtsi. I think we got away with it
because we had other things in there as well. That's not true for this
particular PMIC.
ChenYu
> It looks good otherwise, thanks!
> Maxime
>
> --
> Maxime Ripard, Bootlin (formerly Free Electrons)
> Embedded Linux and Kernel engineering
> https://bootlin.com
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