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Mon, 23 Dec 2024 09:39:46 +0000 Date: Mon, 23 Dec 2024 09:39:45 +0000 Message-ID: <87zfkmrb4u.wl-maz@kernel.org> From: Marc Zyngier To: FUKAUMI Naoki Cc: heiko@sntech.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, tglx@linutronix.de, jonas@kwiboo.se, macromorgan@hotmail.com, andyshrk@163.com, liujianfeng1994@gmail.com, dmt.yashin@gmail.com, dsimic@manjaro.org, tim@feathertop.org, marcin.juszkiewicz@linaro.org, michael.riesch@wolfvision.net, alchark@gmail.com, sebastian.reichel@collabora.com, jbx6244@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: Re: [PATCH 3/3] arm64: dts: rockchip: Add Radxa E52C In-Reply-To: <20241222030355.2246-4-naoki@radxa.com> References: <20241222030355.2246-1-naoki@radxa.com> <20241222030355.2246-4-naoki@radxa.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/29.4 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 91.161.240.24 X-SA-Exim-Rcpt-To: naoki@radxa.com, heiko@sntech.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, tglx@linutronix.de, jonas@kwiboo.se, macromorgan@hotmail.com, andyshrk@163.com, liujianfeng1994@gmail.com, dmt.yashin@gmail.com, dsimic@manjaro.org, tim@feathertop.org, marcin.juszkiewicz@linaro.org, michael.riesch@wolfvision.net, alchark@gmail.com, sebastian.reichel@collabora.com, jbx6244@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241223_013950_448688_AA17B544 X-CRM114-Status: GOOD ( 15.59 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, 22 Dec 2024 03:03:55 +0000, FUKAUMI Naoki wrote: > > Radxa E52C is a compact network computer[1] based on the Rockchip > RK3582 SoC: > > - Dual Cortex-A76 and quad Cortex-A55 CPU So you have *two* big cores. > - 5TOPS NPU > - 2GB/4GB/8GB LPDDR4 RAM > - 16GB/32GB/64GB on-board eMMC > - microSD card slot > - USB 3.0 Type-A HOST port > - USB Type-C debug port > - USB Type-C power port (5V only) > - 2x 2.5GbE ports > > [1] https://radxa.com/products/network-computer/e52c > > Signed-off-by: FUKAUMI Naoki > --- > arch/arm64/boot/dts/rockchip/Makefile | 1 + > .../boot/dts/rockchip/rk3582-radxa-e52c.dts | 729 ++++++++++++++++++ > 2 files changed, 730 insertions(+) > create mode 100644 arch/arm64/boot/dts/rockchip/rk3582-radxa-e52c.dts [...] > +&cpu_b0 { > + cpu-supply = <&vdd_cpu_big0_s0>; > +}; > + > +&cpu_b1 { > + cpu-supply = <&vdd_cpu_big0_s0>; > +}; > + > +&cpu_b2 { > + cpu-supply = <&vdd_cpu_big1_s0>; > +}; > + > +&cpu_b3 { > + cpu-supply = <&vdd_cpu_big1_s0>; > +}; And yet you configure 4. If your HW only has 2 A76s, surely something should remove these cores for this platform rather than keep them around. Thanks, M. -- Without deviation from the norm, progress is not possible.