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Date: Tue, 31 Jul 2018 21:42:59 +0800
From: Chen-Yu Tsai <wens@...e.org>
To: Jagan Teki <jagan@...rulasolutions.com>
Cc: Maxime Ripard <maxime.ripard@...tlin.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 Tue, Jul 31, 2018 at 9:41 PM, Jagan Teki <jagan@...rulasolutions.com> wrote:
> On Mon, Jul 30, 2018 at 2:47 PM, Chen-Yu Tsai <wens@...e.org> wrote:
>> 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.
>
> So we need separate dtsi for this PMIC as well?
I don't think we do. We don't gain much.
ChenYu
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