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Message-ID: <03f0e3b5-8007-2731-62be-6e9fd18b949b@linaro.org>
Date:   Mon, 23 May 2022 16:16:46 +0200
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Subject: Re: [PATCH v1 17/19] arm64: dts: nuvoton: Add initial NPCM8XX device
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To:     Geert Uytterhoeven <geert@linux-m68k.org>
Cc:     Tomer Maimon <tmaimon77@gmail.com>,
        Avi Fishman <avifishman70@gmail.com>,
        Tali Perry <tali.perry1@gmail.com>,
        Joel Stanley <joel@jms.id.au>,
        Patrick Venture <venture@google.com>,
        Nancy Yuen <yuenn@google.com>,
        Benjamin Fair <benjaminfair@google.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Greg KH <gregkh@linuxfoundation.org>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Wim Van Sebroeck <wim@linux-watchdog.org>,
        Guenter Roeck <linux@roeck-us.net>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
        Olof Johansson <olof@lixom.net>,
        Jiri Slaby <jirislaby@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        =?UTF-8?Q?Bj=c3=b6rn_Andersson?= <bjorn.andersson@linaro.org>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Marcel Ziswiler <marcel.ziswiler@toradex.com>,
        Vinod <vkoul@kernel.org>, Biju Das <biju.das.jz@bp.renesas.com>,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>,
        Robert Hancock <robert.hancock@calian.com>,
        =?UTF-8?Q?Jonathan_Neusch=c3=a4fer?= <j.neuschaefer@gmx.net>,
        Lubomir Rintel <lkundrak@v3.sk>, arm-soc <soc@kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-clk <linux-clk@vger.kernel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@vger.kernel.org>,
        Linux Watchdog Mailing List <linux-watchdog@vger.kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>
References: <20220522155046.260146-1-tmaimon77@gmail.com>
 <20220522155046.260146-18-tmaimon77@gmail.com>
 <c1b86493-d82d-a639-07af-4c979d733786@linaro.org>
 <CAMuHMdWSccO3J5OYrFUn+azKyzYBP1wmuHZoRU2t3PUbkZx1wA@mail.gmail.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <CAMuHMdWSccO3J5OYrFUn+azKyzYBP1wmuHZoRU2t3PUbkZx1wA@mail.gmail.com>
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On 23/05/2022 15:58, Geert Uytterhoeven wrote:
> Hi Krzysztof,
> 
> On Mon, May 23, 2022 at 11:08 AM Krzysztof Kozlowski
> <krzysztof.kozlowski@linaro.org> wrote:
>> On 22/05/2022 17:50, Tomer Maimon wrote:
>>> This adds initial device tree support for the
>>> Nuvoton NPCM845 Board Management controller (BMC) SoC family.
>>
>> Thank you for your patch. There is something to discuss/improve.
>>
>>> The NPCM845 based quad-core Cortex-A35 ARMv8 architecture and
>>> have various peripheral IPs.
>>>
>>> Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
> 
>>> +             l2: l2-cache {
>>> +                     compatible = "cache";
>>
>> Is this a real compatible? What bindings are you using here?
> 
> The compatible value and related properties are defined in the
> Devicetree Specification, v0.4-rc1, Section 3.9 ("Multi-level and
> Shared Cache Nodes (/cpus/cpu*/l?-cache)").

Indeed, thanks!

> 
> The properties are handled by
> dtschema/schemas/cache-controller.yaml, but the latter seems to lack
> any checking on the compatible value?


Best regards,
Krzysztof