From: Matthias Kaehlcke <mka@chromium.org>
To: Sandeep Maheswaram <sanm@codeaurora.org>
Cc: Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Kishon Vijay Abraham I <kishon@ti.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Stephen Boyd <swboyd@chromium.org>,
Doug Anderson <dianders@chromium.org>,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org
Subject: Re: [PATCH v4 4/8] dt-bindings: phy: qcom-qusb2: Add support for overriding Phy tuning parameters
Date: Wed, 29 Jan 2020 12:38:19 -0800 [thread overview]
Message-ID: <20200129203819.GE71044@google.com> (raw)
In-Reply-To: <1580305919-30946-5-git-send-email-sanm@codeaurora.org>
On Wed, Jan 29, 2020 at 07:21:55PM +0530, Sandeep Maheswaram wrote:
> Add support for overriding QUSB2 V2 phy tuning parameters
> in device tree bindings.
>
> Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
> Reviewed-by: Rob Herring <robh@kernel.org>
> ---
> .../devicetree/bindings/phy/qcom,qusb2-phy.yaml | 33 ++++++++++++++++++++++
> 1 file changed, 33 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
> index 43082c8..dfef356 100644
> --- a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
> @@ -80,6 +80,28 @@ properties:
> maximum: 63
> default: 0
>
> + qcom,bias-ctrl-value:
> + description:
> + It is a 6 bit value that specifies bias-ctrl-value. It is a PHY
> + tuning parameter that may vary for different boards of same SOC.
> + This property is applicable to only QUSB2 v2 PHY.
As commented on 'dt-bindings: phy: qcom,qusb2: Convert QUSB2 phy bindings
to yaml' a possible improvement could be to restrict these properties to
the QUSB2 v2 PHY through the schema.
> + allOf:
> + - $ref: /schemas/types.yaml#/definitions/uint32
> + - minimum: 0
> + maximum: 63
> + default: 0
> +
> + qcom,charge-ctrl-value:
> + description:
> + It is a 2 bit value that specifies charge-ctrl-value. It is a PHY
> + tuning parameter that may vary for different boards of same SOC.
> + This property is applicable to only QUSB2 v2 PHY.
> + allOf:
> + - $ref: /schemas/types.yaml#/definitions/uint32
> + - minimum: 0
> + maximum: 3
> + default: 0
> +
> qcom,hstx-trim-value:
> description:
> It is a 4 bit value that specifies tuning for HSTX
> @@ -118,6 +140,17 @@ properties:
> maximum: 1
> default: 0
>
> + qcom,hsdisc-trim-value:
> + description:
> + It is a 2 bit value tuning parameter that control disconnect
> + threshold and may vary for different boards of same SOC.
> + This property is applicable to only QUSB2 v2 PHY.
> + allOf:
> + - $ref: /schemas/types.yaml#/definitions/uint32
> + - minimum: 0
> + maximum: 3
> + default: 0
> +
> required:
> - compatible
> - reg
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
next prev parent reply other threads:[~2020-01-29 20:38 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-29 13:51 [PATCH v4 0/8] Add QUSB2 PHY support for SC7180 Sandeep Maheswaram
2020-01-29 13:51 ` [PATCH v4 1/8] dt-bindings: phy: qcom,qusb2: Convert QUSB2 phy bindings to yaml Sandeep Maheswaram
2020-01-29 20:08 ` Matthias Kaehlcke
2020-01-29 20:28 ` Matthias Kaehlcke
2020-01-29 20:57 ` Matthias Kaehlcke
2020-02-04 0:39 ` Stephen Boyd
2020-02-06 17:28 ` Rob Herring
2020-01-29 13:51 ` [PATCH v4 2/8] dt-bindings: phy: qcom,qusb2: Add compatibles for QUSB2 V2 phy and SC7180 Sandeep Maheswaram
2020-01-29 20:58 ` Matthias Kaehlcke
2020-02-04 0:39 ` Stephen Boyd
2020-02-06 17:34 ` Rob Herring
2020-01-29 13:51 ` [PATCH v4 3/8] phy: qcom-qusb2: Add generic QUSB2 V2 PHY support Sandeep Maheswaram
2020-01-29 20:31 ` Matthias Kaehlcke
2020-02-04 0:39 ` Stephen Boyd
2020-01-29 13:51 ` [PATCH v4 4/8] dt-bindings: phy: qcom-qusb2: Add support for overriding Phy tuning parameters Sandeep Maheswaram
2020-01-29 20:38 ` Matthias Kaehlcke [this message]
2020-02-04 0:41 ` Stephen Boyd
2020-01-29 13:51 ` [PATCH v4 5/8] phy: qcom-qusb2: Add support for overriding tuning parameters in QUSB2 V2 PHY Sandeep Maheswaram
2020-01-29 20:54 ` Matthias Kaehlcke
2020-02-04 0:52 ` Stephen Boyd
2020-02-04 17:24 ` Doug Anderson
2020-01-29 13:51 ` [PATCH v4 6/8] arm64: dts: qcom: sc7180: Add generic QUSB2 V2 Phy compatible Sandeep Maheswaram
2020-01-29 21:34 ` Matthias Kaehlcke
2020-02-04 0:52 ` Stephen Boyd
2020-01-29 13:51 ` [PATCH v4 7/8] arm64: dts: qcom: sdm845: " Sandeep Maheswaram
2020-01-29 21:35 ` Matthias Kaehlcke
2020-02-04 0:52 ` Stephen Boyd
2020-01-29 13:51 ` [PATCH v4 8/8] arm64: dts: qcom: sc7180: Update QUSB2 V2 Phy params for SC7180 IDP device Sandeep Maheswaram
2020-02-04 0:52 ` Stephen Boyd
2020-02-04 0:53 ` Stephen Boyd
2020-02-04 17:02 ` Doug Anderson
2020-02-03 18:56 ` [PATCH v4 0/8] Add QUSB2 PHY support for SC7180 Bjorn Andersson
2020-03-05 18:51 ` Matthias Kaehlcke
2020-03-06 11:21 ` Sandeep Maheswaram (Temp)
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