linux-kernel - Re: [PATCH v2 01/15] arm64: dts: mediatek: Initial mt8365-evk support

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Date:   Tue, 15 Nov 2022 10:41:13 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Bernhard Rosenkränzer <bero@...libre.com>,
        linux-mediatek@...ts.infradead.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, matthias.bgg@...il.com
Subject: Re: [PATCH v2 01/15] arm64: dts: mediatek: Initial mt8365-evk support

On 15/11/2022 03:54, Bernhard Rosenkränzer wrote:
> From: Fabien Parent <fparent@...libre.com>
> 
> This adds minimal support for the Mediatek 8365 SOC and the EVK reference
> board, allowing the board to boot to initramfs with serial port I/O.
> 
> GPIO keys are supported, MMC is partially supported (needs the clocks
> driver for full support).
> 
> Signed-off-by: Fabien Parent <fparent@...libre.com>
> [bero@...libre.com: Removed parts depending on drivers that aren't upstream yet, cleanups]
> Signed-off-by: Bernhard Rosenkränzer <bero@...libre.com>
> ---
>  arch/arm64/boot/dts/mediatek/Makefile       |   1 +
>  arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 344 +++++++++++
>  arch/arm64/boot/dts/mediatek/mt8365.dtsi    | 601 ++++++++++++++++++++
>  3 files changed, 946 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/mediatek/mt8365-evk.dts
>  create mode 100644 arch/arm64/boot/dts/mediatek/mt8365.dtsi
> 
> diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
> index 0ec90cb3ef289..e668fd50a3326 100644
> --- a/arch/arm64/boot/dts/mediatek/Makefile
> +++ b/arch/arm64/boot/dts/mediatek/Makefile
> @@ -46,4 +46,5 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-cherry-tomato-r2.dtb
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-cherry-tomato-r3.dtb
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-demo.dtb
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-evb.dtb
> +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8365-evk.dtb
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8516-pumpkin.dtb
> diff --git a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
> new file mode 100644
> index 0000000000000..74e0f75231637
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
> @@ -0,0 +1,344 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2021-2022 BayLibre, SAS.
> + * Authors:
> + * Fabien Parent <fparent@...libre.com>
> + * Bernhard Rosenkränzer <bero@...libre.com>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/pinctrl/mt8365-pinfunc.h>
> +#include "mt8365.dtsi"
> +
> +/ {
> +	model = "MediaTek MT8365 Open Platform EVK";
> +	compatible = "mediatek,mt8365-evk", "mediatek,mt8365";

Missing bindings.

> +
> +	aliases {
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:921600n8";
> +	};
> +

(...)

> +
> +	soc {
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		compatible = "simple-bus";
> +		ranges;
> +
> +		gic: interrupt-controller@...0000 {
> +			compatible = "arm,gic-v3";
> +			#interrupt-cells = <4>;
> +			interrupt-parent = <&gic>;
> +			interrupt-controller;
> +			reg = <0 0x0c000000 0 0x80000>,
> +			      <0 0x0c080000 0 0x80000>;
> +
> +			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH 0>;
> +		};
> +
> +		topckgen: syscon@...00000 {
> +			compatible = "mediatek,mt8365-topckgen", "syscon";
> +			reg = <0 0x10000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		infracfg: syscon@...01000 {
> +			compatible = "mediatek,mt8365-infracfg", "syscon";

Missing bindings.

Did you order your patches in logical order?


Best regards,
Krzysztof