linux-kernel - Re: [PATCH v3 2/4] ARM: dts: NSP: Add DT files for Meraki MX64 series

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Message-ID: <c7dc1a7f-40ed-2b32-f581-fb5793003e91@gmail.com>
Date:   Sun, 13 Jun 2021 13:12:51 +0100
From:   Matthew Hagan <mnhagan88@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Andrew Lunn <andrew@...n.ch>, Rob Herring <robh+dt@...nel.org>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        soc@...nel.org, Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Sam Ravnborg <sam@...nborg.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 2/4] ARM: dts: NSP: Add DT files for Meraki MX64 series

On 13/06/2021 11:16, Matthew Hagan wrote:

> MX64 & MX64W Hardware info:
>   - CPU: Broadcom BCM58625 Cortex A9 @ 1200Mhz
>   - RAM: 2 GB (4 x 4Gb SK Hynix H5TC4G83CFR)
>   - Storage: 1 GB (Micron MT29F8G08ABACA)
>   - Networking: BCM58625 internal switch (5x 1GbE ports)
>   - USB: 1x USB2.0
>   - Serial: Internal header
>   - WLAN(MX64W only): 2x Broadcom BCM43520KMLG on the PCI bus
>
> This patch adds the Meraki MX64 series-specific bindings. Since some
> devices make use of the older A0 SoC, changes need to be made to
> accommodate this case, including removal of coherency options and
> modification to the secondary-boot-reg.
>
> Signed-off-by: Matthew Hagan <mnhagan88@...il.com>
> ---
>  arch/arm/boot/dts/Makefile                    |   4 +
>  .../boot/dts/bcm958625-meraki-kingpin.dtsi    | 165 ++++++++++++++++++
>  .../arm/boot/dts/bcm958625-meraki-mx64-a0.dts |  45 +++++
>  arch/arm/boot/dts/bcm958625-meraki-mx64.dts   |  15 ++
>  .../boot/dts/bcm958625-meraki-mx64w-a0.dts    |  55 ++++++
>  arch/arm/boot/dts/bcm958625-meraki-mx64w.dts  |  23 +++
>  6 files changed, 307 insertions(+)
>  create mode 100644 arch/arm/boot/dts/bcm958625-meraki-kingpin.dtsi
>  create mode 100644 arch/arm/boot/dts/bcm958625-meraki-mx64-a0.dts
>  create mode 100644 arch/arm/boot/dts/bcm958625-meraki-mx64.dts
>  create mode 100644 arch/arm/boot/dts/bcm958625-meraki-mx64w-a0.dts
>  create mode 100644 arch/arm/boot/dts/bcm958625-meraki-mx64w.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index f8f09c5066e7..83560b05f797 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -154,6 +154,10 @@ dtb-$(CONFIG_ARCH_BCM_NSP) += \
>  	bcm958525xmc.dtb \
>  	bcm958622hr.dtb \
>  	bcm958623hr.dtb \
> +	bcm958625-meraki-mx64.dtb \
> +	bcm958625-meraki-mx64-a0.dtb \
> +	bcm958625-meraki-mx64w.dtb \
> +	bcm958625-meraki-mx64w-a0.dtb \
>  	bcm958625hr.dtb \
>  	bcm988312hr.dtb \
>  	bcm958625k.dtb
> diff --git a/arch/arm/boot/dts/bcm958625-meraki-kingpin.dtsi b/arch/arm/boot/dts/bcm958625-meraki-kingpin.dtsi
> new file mode 100644
> index 000000000000..107c2167a113
> --- /dev/null
> +++ b/arch/arm/boot/dts/bcm958625-meraki-kingpin.dtsi
> @@ -0,0 +1,165 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Device Tree Bindings for Cisco Meraki MX64 series (Kingpin).
> + *
> + * Copyright (C) 2020-2021 Matthew Hagan <mnhagan88@...il.com>
> + */
> +
> +#include "bcm958625-meraki-mx6x-common.dtsi"
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/leds/common.h>

dt-bindings/input/input.h should be included in
bcm958625-mx6x-common.dtsi.

dt-bindings/leds/common.h is already included in
bcm958625-mx6x-common.dtsi and isn't required here.

Likewise in bcm958625-meraki-alamo.dtsi

I will hold off on submitting a v4 until the preparatory SoC patches
are sorted out.

Matthew