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([140.116.78.205]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-31198cb2b99sm19044999eec.26.2026.07.10.00.59.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Jul 2026 00:59:40 -0700 (PDT) From: Chen-Yu Yeh To: Chen Wang , Inochi Amaoto Cc: Inochi Amaoto , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , devicetree@vger.kernel.org, sophgo@lists.linux.dev, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Chen-Yu Yeh Subject: [PATCH v3 2/3] riscv: dts: sophgo: cv180x: Add PWR_GPIO controller Date: Fri, 10 Jul 2026 15:59:16 +0800 Message-ID: <20260710075917.159969-3-chenyou910331@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260710075917.159969-1-chenyou910331@gmail.com> References: <20260710075917.159969-1-chenyou910331@gmail.com> Precedence: bulk X-Mailing-List: sophgo@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The CV180x/CV181x family has an additional DesignWare APB GPIO controller (PWR_GPIO) located in the always-on power domain at 0x5021000. Add the node so that boards can reference GPIOs in this bank, such as status LEDs. Signed-off-by: Chen-Yu Yeh --- The base address and interrupt number match the vendor SDK device tree (cv181x_base_riscv.dtsi: gpio@05021000, PLIC interrupt 70, i.e. SOC_PERIPHERAL_IRQ(54)). Verified on Milk-V Duo 256M hardware via the onboard status LED on porte 2. arch/riscv/boot/dts/sophgo/cv180x.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/sophgo/cv180x.dtsi index 06b0ce5a2db7..25ad2bd265d7 100644 --- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi +++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi @@ -160,6 +160,24 @@ portd: gpio-controller@0 { }; }; + gpio4: gpio@5021000 { + compatible = "snps,dw-apb-gpio"; + reg = <0x5021000 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + + porte: gpio-controller@0 { + compatible = "snps,dw-apb-gpio-port"; + gpio-controller; + #gpio-cells = <2>; + ngpios = <32>; + reg = <0>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = ; + }; + }; + saradc: adc@30f0000 { compatible = "sophgo,cv1800b-saradc"; reg = <0x030f0000 0x1000>; -- 2.43.0