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([2a02:1210:8608:9200:82ee:73ff:feb8:99e3]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ad2192c8508sm819349766b.9.2025.05.13.13.31.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 May 2025 13:31:54 -0700 (PDT) From: Alexander Sverdlin To: Chen Wang , Inochi Amaoto , sophgo@lists.linux.dev Cc: Alexander Sverdlin , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] riscv: dts: sophgo: cv18xx: Add RTCSYS device node Date: Tue, 13 May 2025 22:31:25 +0200 Message-ID: <20250513203128.620731-1-alexander.sverdlin@gmail.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add the RTCSYS MFD node: in Cvitek CV18xx and its successors RTC Subsystem is quite advanced and provides SoC power management functions as well. The SoC family also contains DW8051 block (Intel 8051 compatible CPU core) and an associated SRAM. The corresponding control registers are mapped into RTCSYS address space as well. Link: https://github.com/sophgo/sophgo-doc/tree/main/SG200X/TRM Signed-off-by: Alexander Sverdlin Reviewed-by: Inochi Amaoto --- arch/riscv/boot/dts/sophgo/cv180x.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/s= ophgo/cv180x.dtsi index ed06c3609fb2..280c45bd3b3d 100644 --- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi +++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi @@ -307,5 +307,17 @@ dmac: dma-controller@4330000 { snps,data-width =3D <2>; status =3D "disabled"; }; + + rtc@5025000 { + compatible =3D "sophgo,cv1800b-rtc", "syscon"; + reg =3D <0x5025000 0x2000>; + interrupts =3D , + , + ; + interrupt-names =3D "alarm", "longpress", "vbat"; + clocks =3D <&clk CLK_RTC_25M>, + <&clk CLK_SRC_RTC_SYS_0>; + clock-names =3D "rtc", "mcu"; + }; }; }; --=20 2.49.0