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bh=6PyJIHGnDYh6P31ntK4ge2w93dHWPRrD4kywlBEOeWc=; b=Jn92sj4nvoSXRMSfM0e1D+UeHk/Zozy0kgWUrQCoPLf8iW5w9UyGFyxfAcVXLX0XT/ 4nXwOZt2htEoDKcsI6szTaf70oegmxKzmmBBra9PVUnxE6cTul2iKa2o91x9ILKBVZZE yq5tB4AAmu0bccc/4/B7ct8I67iFENmBbeNZybGkxhQadwY7NLgHSv8K/XViKzPUDgP3 GtSwUfnalQ9KjC89P5lYMmYm5HOl9/ToV+6lWJEk48aIb+cd8PxNYAHm3gCsSLAdmU11 qC4yw4HYO5rulGwH6mUD48oOs3MtxVPLtDMWMnMu5rd1WP8sbcWOie1caOG3aNv6ld6r Oh2w== X-Gm-Message-State: AOAM530tloDzQRTa07/y9Ju3HOJCy95BZXh+74Ix8RflyBS2eafd9jhl afMza4ERY9Nn+Po3je4Ta/ODFlGoCci5n21egc8= X-Google-Smtp-Source: ABdhPJyOXBxBWPxL6sPBpuZzkIVbeixOcFk8AsstI46d5WBRX0C/zS1v0WAX4R7QQeEIpFsdCA9NPbGJ0Mjs72+mE44= X-Received: by 2002:a5b:54a:: with SMTP id r10mr16608668ybp.476.1621617015403; Fri, 21 May 2021 10:10:15 -0700 (PDT) MIME-Version: 1.0 References: <20210514192218.13022-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <20210514192218.13022-3-prabhakar.mahadev-lad.rj@bp.renesas.com> In-Reply-To: From: "Lad, Prabhakar" Date: Fri, 21 May 2021 18:09:49 +0100 Message-ID: Subject: Re: [PATCH 02/16] dt-bindings: arm: renesas: Document Renesas RZ/G2{L,LC} SoC variants To: Geert Uytterhoeven Cc: Lad Prabhakar , Rob Herring , Magnus Damm , Michael Turquette , Stephen Boyd , Greg Kroah-Hartman , Catalin Marinas , Will Deacon , Jiri Slaby , Philipp Zabel , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Linux Kernel Mailing List , Linux-Renesas , linux-clk , "open list:SERIAL DRIVERS" , Linux ARM , Biju Das X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210521_101019_972914_45D80C69 X-CRM114-Status: GOOD ( 24.79 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Geert, Thank you for the review. On Fri, May 21, 2021 at 2:23 PM Geert Uytterhoeven wrote: > > Hii Prabhakar, > > On Fri, May 14, 2021 at 9:23 PM Lad Prabhakar > wrote: > > Add device tree bindings documentation for Renesas RZ/G2{L,LC} > > SoC variants. > > > > Signed-off-by: Lad Prabhakar > > Reviewed-by: Biju Das > > Reviewed-by: Chris Paterson > > > --- a/Documentation/devicetree/bindings/arm/renesas.yaml > > +++ b/Documentation/devicetree/bindings/arm/renesas.yaml > > @@ -308,6 +308,15 @@ properties: > > - renesas,r9a07g043u11 # Single Cortex-A55 RZ/G2UL > > - const: renesas,r9a07g043 > > > > + - description: RZ/G2{L,LC} (R9A07G044) > > + items: > > + - enum: > > + - renesas,r9a07g044c1 # Single Cortex-A55 RZ/G2LC > > + - renesas,r9a07g044c2 # Dual Cortex-A55 RZ/G2LC > > + - renesas,r9a07g044l1 # Single Cortex-A55 RZ/G2L > > + - renesas,r9a07g044l2 # Dual Cortex-A55 RZ/G2L > > Given the LSI DEVID is the same for all four, and presumably they're > thus the same die with different packaging, do we need these four > compatible values? > Yes the LSI DEVID is the same for all the above, so as to differentiate between each SoC's, these compatible strings are added. * For example some IP blocks which are present on RZ/G2L aren't present in RZ/G2LC. * Adding this to DTS gives an opportunity to stop booting if the wrong DTB is loaded into the board. Cheers, Prabhakar > > + - const: renesas,r9a07g044 > > + > > additionalProperties: true > > Gr{oetje,eeting}s, > > Geert > > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel