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Wed, 09 Jun 2021 00:01:33 -0700 (PDT) MIME-Version: 1.0 References: <20210603221758.10305-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <20210603221758.10305-12-prabhakar.mahadev-lad.rj@bp.renesas.com> In-Reply-To: From: Geert Uytterhoeven Date: Wed, 9 Jun 2021 09:01:21 +0200 Message-ID: Subject: Re: [PATCH v2 11/12] arm64: dts: renesas: Add initial DTSI for RZ/G2{L,LC} SoC's To: Biju Das Cc: Prabhakar Mahadev Lad , Magnus Damm , Rob Herring , Michael Turquette , Stephen Boyd , Catalin Marinas , Will Deacon , Greg Kroah-Hartman , Jiri Slaby , Philipp Zabel , "linux-renesas-soc@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-clk@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-serial@vger.kernel.org" , Prabhakar X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_000134_533767_A36F29DB X-CRM114-Status: GOOD ( 24.67 ) 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 Biju, On Fri, Jun 4, 2021 at 3:55 PM Biju Das wrote: > > Subject: [PATCH v2 11/12] arm64: dts: renesas: Add initial DTSI for > > RZ/G2{L,LC} SoC's > > > > Add initial DTSI for RZ/G2{L,LC} SoC's. > > > > File structure: > > r9a07g044.dtsi => RZ/G2L family SoC common parts r9a07g044l1.dtsi => > > Specific to RZ/G2L (R9A07G044L single cortex A55) SoC > > > > Signed-off-by: Lad Prabhakar > > Signed-off-by: Biju Das > > --- /dev/null > > +++ b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi > > + cpg: clock-controller@11010000 { > > + compatible = "renesas,r9a07g044-cpg"; > > + reg = <0 0x11010000 0 0x10000>; > > What about WDTOVF_RST(0xB10) and WDTRST_SEL(0xB14) registers, this registers to be handled by WDT driver. > Unfortunately it is in CPG block. > > So do we need to map the entire CPG registers or up to 0xB00? > > Geert, Prabhakar: Any thoughts? As the registers are part of the CPG block, I think they should be covered by the CPG node. You can handle them in the CPG driver, through functions called from the WDT driver (cfr. rcar_rst_read_mode_pins()). 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