linux-kernel - Re: [PATCH v1 1/2] riscv: dts: starfive: jh7110: pciephy0 USB 3.0 configuration registers

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Message-ID: <20250113-mushiness-snugness-0f55574e3956@spud>
Date: Mon, 13 Jan 2025 18:44:17 +0000
From: Conor Dooley <conor@...nel.org>
To: E Shattow <e@...eshell.de>
Cc: Emil Renner Berthing <kernel@...il.dk>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>, linux-riscv@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Minda Chen <minda.chen@...rfivetech.com>
Subject: Re: [PATCH v1 1/2] riscv: dts: starfive: jh7110: pciephy0 USB 3.0
 configuration registers

On Thu, Jan 02, 2025 at 10:37:36AM -0800, E Shattow wrote:
> StarFive JH7110 contains a Cadence USB2.0+USB3.0 controller IP block that
> may exclusively use pciephy0 for USB3.0 connectivity. Add the register
> offsets for the driver to enable/disable USB3.0 on pciephy0.
> 
> Signed-off-by: E Shattow <e@...eshell.de>
> ---
>  arch/riscv/boot/dts/starfive/jh7110.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> index 0d8339357bad..75ff07303e8b 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> @@ -611,6 +611,8 @@ usbphy0: phy@...00000 {
>  		pciephy0: phy@...10000 {
>  			compatible = "starfive,jh7110-pcie-phy";
>  			reg = <0x0 0x10210000 0x0 0x10000>;
> +			starfive,sys-syscon = <&sys_syscon 0x18>;
> +			starfive,stg-syscon = <&stg_syscon 0x148 0x1f4>;

Why weren't these added in the first place? Minda, do you know?

>  			#phy-cells = <0>;
>  		};
>  
> -- 
> 2.45.2
> 

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