From: "Heiko Stübner" <heiko@sntech.de>
To: Kever Yang <kever.yang@rock-chips.com>
Cc: linux-rockchip@lists.infradead.org,
Frank Wang <frank.wang@rock-chips.com>,
William Wu <william.wu@rock-chips.com>,
Kever Yang <kever.yang@rock-chips.com>,
Vinod Koul <vkoul@kernel.org>,
linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org,
Kishon Vijay Abraham I <kishon@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/2] phy: rockchip: inno-usb2: add usb2 phy support for rk3562
Date: Tue, 24 Dec 2024 13:29:53 +0100 [thread overview]
Message-ID: <2246672.1BCLMh4Saa@diego> (raw)
In-Reply-To: <20241224094240.3817261-2-kever.yang@rock-chips.com>
Am Dienstag, 24. Dezember 2024, 10:42:40 CET schrieb Kever Yang:
> From: Frank Wang <frank.wang@rock-chips.com>
>
> RK3652 has one USB2.0 PHY with two ports, the OTG port support OTG
> and BC1.2, the SoC provide USB GRF and APB to access the registers.
>
> This adds vbus detection function control and make the below tuning
> to enhance the usb2-phy SQ for RK3562 SoC.
> - enable pre-emphasis during non-chirp phase
> - set HS eye height to 425mv
> - turn off differential receiver by default to save power
>
> Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
> Signed-off-by: William Wu <william.wu@rock-chips.com>
> Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
WARNING: multiple messages have this Message-ID (diff)
From: "Heiko Stübner" <heiko@sntech.de>
To: Kever Yang <kever.yang@rock-chips.com>
Cc: linux-rockchip@lists.infradead.org,
Frank Wang <frank.wang@rock-chips.com>,
William Wu <william.wu@rock-chips.com>,
Kever Yang <kever.yang@rock-chips.com>,
Vinod Koul <vkoul@kernel.org>,
linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org,
Kishon Vijay Abraham I <kishon@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/2] phy: rockchip: inno-usb2: add usb2 phy support for rk3562
Date: Tue, 24 Dec 2024 13:29:53 +0100 [thread overview]
Message-ID: <2246672.1BCLMh4Saa@diego> (raw)
In-Reply-To: <20241224094240.3817261-2-kever.yang@rock-chips.com>
Am Dienstag, 24. Dezember 2024, 10:42:40 CET schrieb Kever Yang:
> From: Frank Wang <frank.wang@rock-chips.com>
>
> RK3652 has one USB2.0 PHY with two ports, the OTG port support OTG
> and BC1.2, the SoC provide USB GRF and APB to access the registers.
>
> This adds vbus detection function control and make the below tuning
> to enhance the usb2-phy SQ for RK3562 SoC.
> - enable pre-emphasis during non-chirp phase
> - set HS eye height to 425mv
> - turn off differential receiver by default to save power
>
> Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
> Signed-off-by: William Wu <william.wu@rock-chips.com>
> Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
--
linux-phy mailing list
linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy
WARNING: multiple messages have this Message-ID (diff)
From: "Heiko Stübner" <heiko@sntech.de>
To: Kever Yang <kever.yang@rock-chips.com>
Cc: linux-rockchip@lists.infradead.org,
Frank Wang <frank.wang@rock-chips.com>,
William Wu <william.wu@rock-chips.com>,
Kever Yang <kever.yang@rock-chips.com>,
Vinod Koul <vkoul@kernel.org>,
linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org,
Kishon Vijay Abraham I <kishon@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/2] phy: rockchip: inno-usb2: add usb2 phy support for rk3562
Date: Tue, 24 Dec 2024 13:29:53 +0100 [thread overview]
Message-ID: <2246672.1BCLMh4Saa@diego> (raw)
In-Reply-To: <20241224094240.3817261-2-kever.yang@rock-chips.com>
Am Dienstag, 24. Dezember 2024, 10:42:40 CET schrieb Kever Yang:
> From: Frank Wang <frank.wang@rock-chips.com>
>
> RK3652 has one USB2.0 PHY with two ports, the OTG port support OTG
> and BC1.2, the SoC provide USB GRF and APB to access the registers.
>
> This adds vbus detection function control and make the below tuning
> to enhance the usb2-phy SQ for RK3562 SoC.
> - enable pre-emphasis during non-chirp phase
> - set HS eye height to 425mv
> - turn off differential receiver by default to save power
>
> Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
> Signed-off-by: William Wu <william.wu@rock-chips.com>
> Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip
next prev parent reply other threads:[~2024-12-24 12:31 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-24 9:42 [PATCH 1/2] dt-bindings: phy: rockchip,inno-usb2phy: add rk3562 Kever Yang
2024-12-24 9:42 ` Kever Yang
2024-12-24 9:42 ` Kever Yang
2024-12-24 9:42 ` [PATCH 2/2] phy: rockchip: inno-usb2: add usb2 phy support for rk3562 Kever Yang
2024-12-24 9:42 ` Kever Yang
2024-12-24 9:42 ` Kever Yang
2024-12-24 12:29 ` Heiko Stübner [this message]
2024-12-24 12:29 ` Heiko Stübner
2024-12-24 12:29 ` Heiko Stübner
2025-03-11 10:00 ` Chukun Pan
2025-03-11 10:00 ` Chukun Pan
2025-03-11 10:00 ` Chukun Pan
2024-12-24 12:27 ` [PATCH 1/2] dt-bindings: phy: rockchip,inno-usb2phy: add rk3562 Heiko Stübner
2024-12-24 12:27 ` Heiko Stübner
2024-12-24 12:27 ` Heiko Stübner
2025-03-11 11:22 ` Vinod Koul
2025-03-11 11:22 ` Vinod Koul
2025-03-11 11:22 ` Vinod Koul
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