linux-kernel - Re: [PATCH v2 1/2] mips: dts: ralink: Add support for TP-Link HC220 G5 v1 board

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Date:   Sat, 3 Jun 2023 15:10:48 +0300
From:   Arınç ÜNAL <arinc.unal@...nc9.com>
To:     Liviu Dudau <liviu@...au.co.uk>
Cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Paul Burton <paulburton@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Sergio Paracuellos <sergio.paracuellos@...il.com>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v2 1/2] mips: dts: ralink: Add support for TP-Link HC220
 G5 v1 board

On 29.05.2023 18:55, Liviu Dudau wrote:
> On Mon, May 29, 2023 at 04:08:32PM +0100, Liviu Dudau wrote:
>> This WiFi AP is based on a MT7621 SoC with 128MiB RAM, 128MiB NAND,
>> a MT7603 2.4GHz WiFi and a MT7663 5GHz WiFi chips integrated on the board,
>> connected to the main SoC over PCIe.
>>
>> The GMAC1 on the SoC is connected to PHY0 on the GSW and can be used to
>> improve routing bandwidth.
>>
>> The device uses NMBM over NAND, which is not currently supported in the
>> mainline, so NAND node is skipped in this revision.
>>
>> Signed-off-by: Liviu Dudau <liviu@...au.co.uk>
>> ---
>>   arch/mips/boot/dts/ralink/Makefile            |   3 +-
>>   .../dts/ralink/mt7621-tplink-hc220-g5-v1.dts  | 129 ++++++++++++++++++
>>   2 files changed, 131 insertions(+), 1 deletion(-)
>>   create mode 100644 arch/mips/boot/dts/ralink/mt7621-tplink-hc220-g5-v1.dts
>>
>> diff --git a/arch/mips/boot/dts/ralink/Makefile b/arch/mips/boot/dts/ralink/Makefile
>> index 11732b8c8163a..d27d7e8c700fe 100644
>> --- a/arch/mips/boot/dts/ralink/Makefile
>> +++ b/arch/mips/boot/dts/ralink/Makefile
>> @@ -8,6 +8,7 @@ dtb-$(CONFIG_DTB_VOCORE2)	+= vocore2.dtb
>>   
>>   dtb-$(CONFIG_SOC_MT7621) += \
>>   	mt7621-gnubee-gb-pc1.dtb \
>> -	mt7621-gnubee-gb-pc2.dtb
>> +	mt7621-gnubee-gb-pc2.dtb \
>> +	mt7621-tplink-hc220-g5-v1.dtb
>>   
>>   obj-$(CONFIG_BUILTIN_DTB)	+= $(addsuffix .o, $(dtb-y))
>> diff --git a/arch/mips/boot/dts/ralink/mt7621-tplink-hc220-g5-v1.dts b/arch/mips/boot/dts/ralink/mt7621-tplink-hc220-g5-v1.dts
>> new file mode 100644
>> index 0000000000000..f003ae615a58e
>> --- /dev/null
>> +++ b/arch/mips/boot/dts/ralink/mt7621-tplink-hc220-g5-v1.dts
>> @@ -0,0 +1,129 @@
>> +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +/dts-v1/;
>> +
>> +#include "mt7621.dtsi"
>> +
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/input/input.h>
>> +#include <dt-bindings/leds/common.h>
>> +
>> +/ {
>> +	compatible = "tplink,hc220-g5-v1", "mediatek,mt7621-soc";
>> +	model = "TP-Link HC220 G5 v1";
>> +
>> +	memory@0 {
>> +		device_type = "memory";
>> +		reg = <0x0 0x0 0x0 0x8000000>;
>> +	};
>> +
>> +	chosen {
>> +		/* add 'earlycon=uart8260,mmio32,0x1e000c00' to
>> +		 * bootargs for early boot messages
>> +		 */
>> +		bootargs = "console=ttyS0,115200";
>> +	};
>> +
>> +	gpio-keys {
>> +		compatible = "gpio-keys";
>> +
>> +		key-reset {
>> +			label = "reset";
>> +			gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
>> +			linux,code = <KEY_RESTART>;
>> +		};
>> +
>> +		key-wps {
>> +			label = "wps";
>> +			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
>> +			linux,code = <KEY_WPS_BUTTON>;
>> +		};
>> +	};
>> +
>> +	leds {
>> +		compatible = "gpio-leds";
>> +
>> +		red {
>> +			color = <LED_COLOR_ID_RED>;
>> +			function = LED_FUNCTION_FAULT;
>> +			gpios = <&gpio 13 GPIO_ACTIVE_HIGH>;
>> +		};
>> +
>> +		green {
>> +			color = <LED_COLOR_ID_GREEN>;
>> +			function = LED_FUNCTION_POWER;
>> +			gpios = <&gpio 14 GPIO_ACTIVE_HIGH>;
>> +			linux,default-trigger = "default-on";
>> +		};
>> +
>> +		blue {
>> +			color = <LED_COLOR_ID_BLUE>;
>> +			function = LED_FUNCTION_WPS;
>> +			gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
>> +		};
>> +	};
>> +
>> +	resetc: reset-controller {
>> +		compatible = "ralink,rt2880-reset";
>> +		#reset-cells = <1>;
>> +	};
>> +
>> +	mtd {
>> +		compatible = "mediatek,mt7622-nfc";
>> +	};
>> +};
>> +
>> +&i2c {
>> +	status = "okay";
>> +};
>> +
>> +&pcie {
>> +	status = "okay";
>> +};
>> +
>> +&spi0 {
>> +	status = "okay";
>> +
>> +	flash@0 {
>> +		#address-cells = <1>;
>> +		#size-cells = <1>;
>> +		compatible = "jedec,spi-nor";
>> +		reg = <0>;
>> +		spi-max-frequency = <50000000>;
>> +	};
>> +};
>> +
>> +/* gmac1 connected to MT7530's phy0 */
>> +&gmac1 {
>> +	phy-handle = <&ethphy0>;
>> +
>> +	fixed-link {
>> +		status = "disabled";
>> +	};
>> +};
>> +
>> +&mdio {
>> +	/* MT7530's phy0 */
>> +	ethphy0: ethernet-phy@0 {
>> +		reg = <0>;
>> +	};
>> +};
>> +
>> +&switch0 {
>> +	ports {
>> +		/* phy0 is muxed to gmac1 */

I already suggested not doing this, please remove this line.

Arınç