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Tue, 03 Mar 2026 03:48:36 -0800 (PST) Received: from [192.168.0.13] ([172.92.174.155]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8cbbf71ae8esm1341419185a.41.2026.03.03.03.48.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Mar 2026 03:48:35 -0800 (PST) Message-ID: <5116340c-4702-47d0-87f0-9399937f0e64@gmail.com> Date: Tue, 3 Mar 2026 03:46:25 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 1/2] dt-bindings: phy: eswin: Document the EIC7700 SoC SATA PHY To: Yulin Lu , vkoul@kernel.org, neil.armstrong@linaro.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, p.zabel@pengutronix.de, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: ningyu@eswincomputing.com, linmin@eswincomputing.com, fenglin@eswincomputing.com References: <20260205082009.1780-1-luyulin@eswincomputing.com> <20260205082129.1482-1-luyulin@eswincomputing.com> Content-Language: en-US From: Bo Gan In-Reply-To: <20260205082129.1482-1-luyulin@eswincomputing.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260303_034838_241782_991A2304 X-CRM114-Status: GOOD ( 14.41 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Hi Yulin, Can your team share the dt and driver for &hspcrg? I want to do some testing with your latest v15 clock patchset on my P550 w/ SATA. W/o &hspcrg, the SATA phy can't be enabled, hence SATA drive doesn't work. Bo On 2/5/26 00:21, Yulin Lu wrote: > Document the SATA PHY on the EIC7700 SoC platform, > describing its usage. > > Signed-off-by: Yulin Lu > --- > .../bindings/phy/eswin,eic7700-sata-phy.yaml | 92 +++++++++++++++++++ > 1 file changed, 92 insertions(+) > create mode 100644 Documentation/devicetree/bindings/phy/eswin,eic7700-sata-phy.yaml > > diff --git a/Documentation/devicetree/bindings/phy/eswin,eic7700-sata-phy.yaml b/Documentation/devicetree/bindings/phy/eswin,eic7700-sata-phy.yaml > new file mode 100644 > index 000000000000..fc7dbac77acf > --- /dev/null > +++ b/Documentation/devicetree/bindings/phy/eswin,eic7700-sata-phy.yaml > @@ -0,0 +1,92 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/phy/eswin,eic7700-sata-phy.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Eswin EIC7700 SoC SATA PHY > + > +maintainers: > + - Yulin Lu > + - Huan He > + > +properties: > + compatible: > + const: eswin,eic7700-sata-phy > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + clock-names: > + const: phy > + > + resets: > + maxItems: 2 > + > + reset-names: > + items: > + - const: port > + - const: phy > + > + eswin,tx-amplitude-tuning: > + description: This adjusts the transmitter amplitude signal, and its value > + is derived from eye diagram tuning. The three values correspond to Gen1, > + Gen2, and Gen3 parameters respectively. > + $ref: /schemas/types.yaml#/definitions/uint32-array > + items: > + - description: Gen1 parameter. > + minimum: 0 > + maximum: 0x7f > + - description: Gen2 parameter. > + minimum: 0 > + maximum: 0x7f > + - description: Gen3 parameter. > + minimum: 0 > + maximum: 0x7f > + default: [0, 0, 0] > + > + eswin,tx-preemph-tuning: > + description: This adjusts the transmitter de-emphasis signal, and its value > + is derived from eye diagram tuning. The three values correspond to Gen1, > + Gen2, and Gen3 parameters respectively. > + $ref: /schemas/types.yaml#/definitions/uint32-array > + items: > + - description: Gen1 parameter. > + minimum: 0 > + maximum: 0x3f > + - description: Gen2 parameter. > + minimum: 0 > + maximum: 0x3f > + - description: Gen3 parameter. > + minimum: 0 > + maximum: 0x3f > + default: [0, 0, 0] > + > + "#phy-cells": > + const: 0 > + > +required: > + - compatible > + - reg > + - clocks > + - clock-names > + - resets > + - reset-names > + - "#phy-cells" > + > +additionalProperties: false > + > +examples: > + - | > + sata-phy@50440300 { > + compatible = "eswin,eic7700-sata-phy"; > + reg = <0x50440300 0x40>; > + clocks = <&hspcrg 17>; > + clock-names = "phy"; > + resets = <&hspcrg 0>, <&hspcrg 1>; > + reset-names = "port", "phy"; > + #phy-cells = <0>; > + }; -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy