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Thu, 23 Oct 2025 20:06:21 -0700 (PDT) From: Longbin Li To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Inochi Amaoto , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Alexander Sverdlin , Yu Yuan , Ze Huang Cc: Longbin Li , devicetree@vger.kernel.org, sophgo@lists.linux.dev, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: [PATCH v4 3/3] riscv: dts: sophgo: Add USB support for cv18xx Date: Fri, 24 Oct 2025 11:05:16 +0800 Message-ID: <20251024030528.25511-4-looong.bin@gmail.com> X-Mailer: git-send-email 2.51.1.dirty In-Reply-To: <20251024030528.25511-1-looong.bin@gmail.com> References: <20251024030528.25511-1-looong.bin@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add USB controller node for cv18xx and enable it for Huashan Pi, milkv-duo. Co-developed-by: Inochi Amaoto Signed-off-by: Inochi Amaoto Signed-off-by: Longbin Li Tested-by: Alexander Sverdlin --- arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts | 5 +++++ arch/riscv/boot/dts/sophgo/cv180x.dtsi | 16 ++++++++++++++++ .../riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts | 5 +++++ .../boot/dts/sophgo/sg2002-licheerv-nano-b.dts | 5 +++++ 4 files changed, 31 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts index 9feb520eaec4..0e6d79e6e3a4 100644 --- a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts +++ b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts @@ -100,3 +100,8 @@ &uart0 { pinctrl-names = "default"; status = "okay"; }; + +&usb { + dr_mode = "host"; + status = "okay"; +}; diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/sophgo/cv180x.dtsi index 42303acb2b39..1b2b1969a648 100644 --- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi +++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi @@ -432,6 +432,22 @@ dmac: dma-controller@4330000 { status = "disabled"; }; + usb: usb@4340000 { + compatible = "sophgo,cv1800b-usb"; + reg = <0x04340000 0x10000>; + clocks = <&clk CLK_AXI4_USB>, <&clk CLK_APB_USB>; + clock-names = "otg", "utmi"; + g-np-tx-fifo-size = <32>; + g-rx-fifo-size = <536>; + g-tx-fifo-size = <768 512 512 384 128 128>; + interrupts = ; + phys = <&usbphy>; + phy-names = "usb2-phy"; + resets = <&rst RST_USB>; + reset-names = "dwc2"; + status = "disabled"; + }; + rtc@5025000 { compatible = "sophgo,cv1800b-rtc", "syscon"; reg = <0x5025000 0x2000>; diff --git a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts index 4a5835fa9e96..aedf79f47407 100644 --- a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts +++ b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts @@ -86,3 +86,8 @@ &sdhci1 { &uart0 { status = "okay"; }; + +&usb { + dr_mode = "host"; + status = "okay"; +}; diff --git a/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts b/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts index 86a712b953a5..b1853770d017 100644 --- a/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts +++ b/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts @@ -93,3 +93,8 @@ &uart0 { pinctrl-names = "default"; status = "okay"; }; + +&usb { + dr_mode = "host"; + status = "okay"; +}; -- 2.51.0