linux-kernel - Re: [PATCH v3 41/42] ARM: dts: ep93xx: Add EDB9302 DT

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Message-ID: <283c68a9-fdb5-8813-a68b-b2bdbaa51e26@linaro.org>
Date:   Fri, 21 Jul 2023 16:16:40 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     nikita.shubin@...uefel.me,
        Hartley Sweeten <hsweeten@...ionengravers.com>,
        Lennert Buytenhek <kernel@...tstofly.org>,
        Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Lukasz Majewski <lukma@...x.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
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        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Mark Brown <broonie@...nel.org>,
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        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
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        Miquel Raynal <miquel.raynal@...tlin.com>,
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        Takashi Iwai <tiwai@...e.com>,
        Andy Shevchenko <andy@...nel.org>,
        Michael Peters <mpeters@...eddedTS.com>,
        Kris Bahnsen <kris@...eddedTS.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-rtc@...r.kernel.org,
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        netdev@...r.kernel.org, dmaengine@...r.kernel.org,
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        linux-input@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH v3 41/42] ARM: dts: ep93xx: Add EDB9302 DT

On 20/07/2023 13:29, Nikita Shubin via B4 Relay wrote:
> From: Alexander Sverdlin <alexander.sverdlin@...il.com>
> 
> Add device tree for Cirrus EDB9302.
> 
> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@...il.com>
> Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
> ---
>  arch/arm/boot/dts/cirrus/Makefile           |   1 +
>  arch/arm/boot/dts/cirrus/ep93xx-edb9302.dts | 178 ++++++++++++++++++++++++++++
>  2 files changed, 179 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/cirrus/Makefile b/arch/arm/boot/dts/cirrus/Makefile
> index 211a7e2f2115..e6015983e464 100644
> --- a/arch/arm/boot/dts/cirrus/Makefile
> +++ b/arch/arm/boot/dts/cirrus/Makefile
> @@ -4,5 +4,6 @@ dtb-$(CONFIG_ARCH_CLPS711X) += \
>  dtb-$(CONFIG_ARCH_CLPS711X) += \
>  	ep7211-edb7211.dtb
>  dtb-$(CONFIG_ARCH_EP93XX) += \
> +	ep93xx-edb9302.dtb \
>  	ep93xx-bk3.dtb \
>  	ep93xx-ts7250.dtb
> diff --git a/arch/arm/boot/dts/cirrus/ep93xx-edb9302.dts b/arch/arm/boot/dts/cirrus/ep93xx-edb9302.dts
> new file mode 100644
> index 000000000000..b048fd131aa5
> --- /dev/null
> +++ b/arch/arm/boot/dts/cirrus/ep93xx-edb9302.dts
> @@ -0,0 +1,178 @@
> +// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +/*
> + * Device Tree file for Cirrus Logic EDB9302 board based on EP9302 SoC
> + */
> +/dts-v1/;
> +#include "ep93xx.dtsi"
> +#include <dt-bindings/dma/cirrus,ep93xx-dma.h>
> +
> +/ {
> +	#address-cells = <1>;
> +	#size-cells = <1>;
> +	compatible = "cirrus,edb9302", "cirrus,ep9301";
> +	model = "cirrus,edb9302";
> +
> +	chosen {
> +	};
> +
> +	memory@0 {
> +		device_type = "memory";
> +		/* should be set from ATAGS */
> +		reg = <0x0000000 0x800000>,
> +		      <0x1000000 0x800000>,
> +		      <0x4000000 0x800000>,
> +		      <0x5000000 0x800000>;
> +	};
> +
> +	flash@...00000 {

Same problems - it's root, not soc bus.

> +		compatible = "cfi-flash";
> +		reg = <0x60000000 0x1000000>;
> +		bank-width = <2>;
> +	};
> +

Best regards,
Krzysztof