Re: [PATCH RFC 2/3] riscv: dts: sophgo: Add syscon node for cv18xx

From: Alexander Sverdlin <alexander.sverdlin@gmail.com>
To: Inochi Amaoto <inochiama@gmail.com>,
	Rob Herring <robh@kernel.org>,
	 Krzysztof Kozlowski	 <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Chen Wang	 <unicorn_wang@outlook.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>,  Yu Yuan <yu.yuan@sjtu.edu.cn>,
	Yixun Lan <dlan@gentoo.org>, Ze Huang <huangze@whut.edu.cn>,
	 Thomas Bonnefille <thomas.bonnefille@bootlin.com>
Cc: devicetree@vger.kernel.org, sophgo@lists.linux.dev,
	 linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	Longbin Li <looong.bin@gmail.com>
Subject: Re: [PATCH RFC 2/3] riscv: dts: sophgo: Add syscon node for cv18xx
Date: Sun, 15 Jun 2025 17:39:01 +0200	[thread overview]
Message-ID: <16c8dc85cbbfb4d4e1528261f464eee64ed6362d.camel@gmail.com> (raw)
In-Reply-To: <20250611082452.1218817-3-inochiama@gmail.com>

Thanks for the patch, Inochi!

On Wed, 2025-06-11 at 16:24 +0800, Inochi Amaoto wrote:
> Add top syscon node and all subdevice nodes for cv18xx series SoC.
> 
> Signed-off-by: Inochi Amaoto <inochiama@gmail.com>

Successfully tested in host mode on Milk-V Duo Module 01 EVB:

Tested-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>

> ---
>  arch/riscv/boot/dts/sophgo/cv180x.dtsi | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
> index 929864ba1b26..65eceaa5d2f8 100644
> --- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi
> +++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
> @@ -25,6 +25,32 @@ soc {
>  		#size-cells = <1>;
>  		ranges;
>  
> +		syscon: syscon@3000000 {
> +			compatible = "sophgo,cv1800b-top-syscon",
> +				     "syscon", "simple-mfd";
> +			reg = <0x03000000 0x1000>;
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +
> +			usbphy: phy@48 {
> +				compatible = "sophgo,cv1800b-usb2-phy";
> +				reg = <0x48 0x4>;
> +				#phy-cells = <0>;
> +				clocks = <&clk CLK_USB_125M>,
> +					 <&clk CLK_USB_33K>,
> +					 <&clk CLK_USB_12M>;
> +				clock-names = "app", "stb", "lpm";
> +				resets = <&rst RST_COMBO_PHY0>;
> +			};
> +
> +			dmamux: dma-router@154 {
> +				compatible = "sophgo,cv1800b-dmamux";
> +				reg = <0x154 0x8>, <0x298 0x4>;
> +				#dma-cells = <2>;
> +				dma-masters = <&dmac>;
> +			};
> +		};

-- 
Alexander Sverdlin.

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