linux-kernel - Re: [PATCH v1 2/2] ARM: dts: Add Caninos Loucos Labrador

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Date:   Sat, 29 Feb 2020 16:12:02 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Matheus Castello <matheus@...tello.eng.br>
Cc:     afaerber@...e.de, mark.rutland@....com, robh+dt@...nel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 2/2] ARM: dts: Add Caninos Loucos Labrador

Hi,

Thanks for the patch! Please find comments inline.

On Thu, Feb 27, 2020 at 05:15:57PM -0300, Matheus Castello wrote:
> Add Device Trees for Caninos Loucos Labrador SoM and base board.
> Based on the work of Andreas Färber on Lemaker Guitar device tree.
> 
> Signed-off-by: Matheus Castello <matheus@...tello.eng.br>
> ---
>  arch/arm/boot/dts/Makefile                  |  3 +-
>  arch/arm/boot/dts/owl-s500-labrador-bb.dts  | 33 +++++++++++++++++++++
>  arch/arm/boot/dts/owl-s500-labrador-v2.dtsi | 21 +++++++++++++
>  3 files changed, 56 insertions(+), 1 deletion(-)
>  create mode 100644 arch/arm/boot/dts/owl-s500-labrador-bb.dts
>  create mode 100644 arch/arm/boot/dts/owl-s500-labrador-v2.dtsi
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index d6546d2676b9..acdf65ef3236 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -842,7 +842,8 @@ dtb-$(CONFIG_ARCH_ORION5X) += \
>  dtb-$(CONFIG_ARCH_ACTIONS) += \
>  	owl-s500-cubieboard6.dtb \
>  	owl-s500-guitar-bb-rev-b.dtb \
> -	owl-s500-sparky.dtb
> +	owl-s500-sparky.dtb \
> +	owl-s500-labrador-bb.dtb

Please sort the entries alphabetically.

>  dtb-$(CONFIG_ARCH_PRIMA2) += \
>  	prima2-evb.dtb
>  dtb-$(CONFIG_ARCH_PXA) += \
> diff --git a/arch/arm/boot/dts/owl-s500-labrador-bb.dts b/arch/arm/boot/dts/owl-s500-labrador-bb.dts
> new file mode 100644
> index 000000000000..1e821804da30
> --- /dev/null
> +++ b/arch/arm/boot/dts/owl-s500-labrador-bb.dts
> @@ -0,0 +1,33 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*

A title here would be helpful like how you added for the SoM below.

> + * Copyright (c) 2019-2020 Matheus Castello
> + */
> +
> +/dts-v1/;
> +
> +#include "owl-s500-labrador-v2.dtsi"
> +#include <dt-bindings/leds/common.h>

Do we need this now?

Thanks,
Mani

> +
> +/ {
> +	compatible = "caninos,labrador-bb", "caninos,labrador", "actions,s500";
> +	model = "Caninos Labrador Base Board M v1.0";
> +
> +	aliases {
> +		serial3 = &uart3;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial3:115200n8";
> +	};
> +
> +	uart3_clk: uart3-clk {
> +		compatible = "fixed-clock";
> +		clock-frequency = <921600>;
> +		#clock-cells = <0>;
> +	};
> +};
> +
> +&uart3 {
> +	status = "okay";
> +	clocks = <&uart3_clk>;
> +};
> diff --git a/arch/arm/boot/dts/owl-s500-labrador-v2.dtsi b/arch/arm/boot/dts/owl-s500-labrador-v2.dtsi
> new file mode 100644
> index 000000000000..ee079f02b5dd
> --- /dev/null
> +++ b/arch/arm/boot/dts/owl-s500-labrador-v2.dtsi
> @@ -0,0 +1,21 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Caninos Labrador SoM V2
> + *
> + * Copyright (c) 2019-2020 Matheus Castello
> + */
> +
> +#include "owl-s500.dtsi"
> +
> +/ {
> +	compatible = "caninos,labrador", "actions,s500";
> +
> +	memory@0 {
> +		device_type = "memory";
> +		reg = <0x0 0x80000000>;
> +	};
> +};
> +
> +&timer {
> +	clocks = <&hosc>;
> +};
> --
> 2.25.0
>