linux-kernel - Re: [PATCH v14 3/4] arm64: dts: Add DTS for Marvell PXA1908 and samsung,coreprimevelte

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Message-ID: <ct7q2eaps2m2ceghiek2pmb7yhd5it6s53moumfncnyq4d4zmw@fmtoyyn3j5t2>
Date: Thu, 16 Jan 2025 09:00:40 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Duje Mihanović <duje.mihanovic@...le.hr>
Cc: Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Lubomir Rintel <lkundrak@...sk>, Catalin Marinas <catalin.marinas@....com>, 
	Will Deacon <will@...nel.org>, Andrew Lunn <andrew@...n.ch>, 
	Gregory Clement <gregory.clement@...tlin.com>, Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>, 
	Kees Cook <kees@...nel.org>, Tony Luck <tony.luck@...el.com>, 
	"Guilherme G. Piccoli" <gpiccoli@...lia.com>, David Wronek <david@...nlining.org>, 
	Karel Balej <balejk@...fyz.cz>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-hardening@...r.kernel.org, phone-devel@...r.kernel.org, 
	~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v14 3/4] arm64: dts: Add DTS for Marvell PXA1908 and
 samsung,coreprimevelte

On Wed, Jan 15, 2025 at 09:35:56PM +0100, Duje Mihanović wrote:
> Add DTS for Marvell PXA1908 SoC and Samsung Galaxy Core Prime Value
> Edition LTE, a smartphone based on said SoC.
> 
> Signed-off-by: Duje Mihanović <duje.mihanovic@...le.hr>
> ---
>  arch/arm64/boot/dts/marvell/Makefile               |   3 +
>  .../dts/marvell/pxa1908-samsung-coreprimevelte.dts | 336 +++++++++++++++++++++
>  arch/arm64/boot/dts/marvell/pxa1908.dtsi           | 300 ++++++++++++++++++
>  3 files changed, 639 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/marvell/Makefile b/arch/arm64/boot/dts/marvell/Makefile
> index ce751b5028e2628834340b5c50f8992092226eba..39c5749e631db33aa8fb0386a951c0a70215bc02 100644
> --- a/arch/arm64/boot/dts/marvell/Makefile
> +++ b/arch/arm64/boot/dts/marvell/Makefile
> @@ -32,3 +32,6 @@ dtb-$(CONFIG_ARCH_MVEBU) += cn9130-cf-base.dtb
>  dtb-$(CONFIG_ARCH_MVEBU) += cn9130-cf-pro.dtb
>  dtb-$(CONFIG_ARCH_MVEBU) += cn9131-cf-solidwan.dtb
>  dtb-$(CONFIG_ARCH_MVEBU) += cn9132-clearfog.dtb
> +
> +# MMP SoC Family
> +dtb-$(CONFIG_ARCH_MMP) += pxa1908-samsung-coreprimevelte.dtb

Hm, why separate ARCH if this is part of Marvell Makefile? One ARCH per
vendor, so if you think this is different than MVEBU, then should be in
a separate subdirectory of marvell.

> diff --git a/arch/arm64/boot/dts/marvell/pxa1908-samsung-coreprimevelte.dts b/arch/arm64/boot/dts/marvell/pxa1908-samsung-coreprimevelte.dts
> new file mode 100644
> index 0000000000000000000000000000000000000000..83b789a837d3876bf15ed0d7e10e190eacdfd56f
> --- /dev/null
> +++ b/arch/arm64/boot/dts/marvell/pxa1908-samsung-coreprimevelte.dts
> @@ -0,0 +1,336 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +#include "pxa1908.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
> +
> +/ {
> +	model = "Samsung Galaxy Core Prime VE LTE";
> +	compatible = "samsung,coreprimevelte", "marvell,pxa1908";
> +
> +	aliases {
> +		mmc0 = &sdh2; /* eMMC */
> +		mmc1 = &sdh0; /* SD card */
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges;
> +
> +		stdout-path = "serial0:115200n8";
> +
> +		/* S-Boot places the initramfs here */
> +		linux,initrd-start = <0x4d70000>;
> +		linux,initrd-end = <0x5000000>;
> +
> +		fb0: framebuffer@...77000 {
> +			compatible = "simple-framebuffer";
> +			reg = <0 0x17177000 0 (480 * 800 * 4)>;
> +			width = <480>;
> +			height = <800>;
> +			stride = <(480 * 4)>;
> +			format = "a8r8g8b8";
> +		};
> +	};
> +
> +	/* Bootloader fills this in */
> +	memory {
> +		device_type = "memory";
> +		reg = <0 0 0 0>;
> +	};
> +
> +	reserved-memory {
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges;
> +
> +		framebuffer@...00000 {
> +			reg = <0 0x17000000 0 0x1800000>;
> +			no-map;
> +		};
> +
> +		gpu@...0000 {
> +			reg = <0 0x9000000 0 0x1000000>;
> +		};
> +
> +		/* Communications processor, aka modem */
> +		cp@...0000 {
> +			reg = <0 0x5000000 0 0x3000000>;
> +		};
> +
> +		cm3@...0000 {
> +			reg = <0 0xa000000 0 0x80000>;
> +		};
> +
> +		seclog@...0000 {
> +			reg = <0 0x8000000 0 0x100000>;
> +		};
> +
> +		ramoops@...0000 {
> +			compatible = "ramoops";
> +			reg = <0 0x8100000 0 0x40000>;
> +			record-size = <0x8000>;
> +			console-size = <0x20000>;
> +			max-reason = <5>;
> +		};
> +	};
> +
> +

If there is going to be resend/new version:
Just one blank line.

Best regards,
Krzysztof