From: Rob Herring <robh@kernel.org>
To: Ansuel Smith <ansuelsmth@gmail.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
Andy Gross <agross@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Mark Rutland <mark.rutland@arm.com>,
Stanimir Varbanov <svarbanov@mm-sol.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Andrew Murray <amurray@thegoodpenguin.co.uk>,
Philipp Zabel <p.zabel@pengutronix.de>,
linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 08/11] devicetree: bindings: pci: document PARF params bindings
Date: Thu, 7 May 2020 13:10:44 -0500 [thread overview]
Message-ID: <20200507181044.GA15159@bogus> (raw)
In-Reply-To: <20200430220619.3169-9-ansuelsmth@gmail.com>
On Fri, May 01, 2020 at 12:06:15AM +0200, Ansuel Smith wrote:
> It is now supported the editing of Tx De-Emphasis, Tx Swing and
> Rx equalization params on ipq8064. Document this new optional params.
>
> Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
> ---
> .../devicetree/bindings/pci/qcom,pcie.txt | 36 +++++++++++++++++++
> 1 file changed, 36 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.txt b/Documentation/devicetree/bindings/pci/qcom,pcie.txt
> index 6efcef040741..8cc5aea8a1da 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie.txt
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.txt
> @@ -254,6 +254,42 @@
> - "perst-gpios" PCIe endpoint reset signal line
> - "wake-gpios" PCIe endpoint wake signal line
>
> +- qcom,tx-deemph-gen1:
> + Usage: optional (available for ipq/apq8064)
> + Value type: <u32>
> + Definition: Gen1 De-emphasis value.
> + For ipq806x should be set to 24.
Unless these need to be tuned per board, then the compatible string for
ipq806x should imply all these settings.
> +
> +- qcom,tx-deemph-gen2-3p5db:
> + Usage: optional (available for ipq/apq8064)
> + Value type: <u32>
> + Definition: Gen2 (3.5db) De-emphasis value.
> + For ipq806x should be set to 24.
> +
> +- qcom,tx-deemph-gen2-6db:
> + Usage: optional (available for ipq/apq8064)
> + Value type: <u32>
> + Definition: Gen2 (6db) De-emphasis value.
> + For ipq806x should be set to 34.
> +
> +- qcom,tx-swing-full:
> + Usage: optional (available for ipq/apq8064)
> + Value type: <u32>
> + Definition: TX launch amplitude swing_full value.
> + For ipq806x should be set to 120.
> +
> +- qcom,tx-swing-low:
> + Usage: optional (available for ipq/apq8064)
> + Value type: <u32>
> + Definition: TX launch amplitude swing_low value.
> + For ipq806x should be set to 120.
> +
> +- qcom,rx0-eq:
> + Usage: optional (available for ipq/apq8064)
> + Value type: <u32>
> + Definition: RX0 equalization value.
> + For ipq806x should be set to 4.
> +
> * Example for ipq/apq8064
> pcie@1b500000 {
> compatible = "qcom,pcie-apq8064", "qcom,pcie-ipq8064", "snps,dw-pcie";
> --
> 2.25.1
>
next prev parent reply other threads:[~2020-05-07 18:11 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-30 22:06 [PATCH v3 00/11] Multiple fixes in PCIe qcom driver Ansuel Smith
2020-04-30 22:06 ` [PATCH v3 01/11] PCI: qcom: add missing ipq806x clocks in PCIe driver Ansuel Smith
2020-05-07 17:54 ` Rob Herring
2020-05-08 11:51 ` Stanimir Varbanov
2020-04-30 22:06 ` [PATCH v3 02/11] devicetree: bindings: pci: add missing clks to qcom,pcie Ansuel Smith
2020-04-30 22:06 ` [PATCH v3 03/11] PCI: qcom: change duplicate PCI reset to phy reset Ansuel Smith
2020-05-07 17:57 ` Rob Herring
2020-04-30 22:06 ` [PATCH v3 04/11] PCI: qcom: add missing reset for ipq806x Ansuel Smith
2020-05-07 18:00 ` Rob Herring
2020-05-08 7:20 ` Philipp Zabel
2020-04-30 22:06 ` [PATCH v3 05/11] devicetree: bindings: pci: add ext reset to qcom,pcie Ansuel Smith
2020-04-30 22:06 ` [PATCH v3 06/11] PCI: qcom: introduce qcom_clear_and_set_dword Ansuel Smith
2020-05-07 18:07 ` Rob Herring
2020-04-30 22:06 ` [PATCH v3 07/11] PCI: qcom: add support for defining some PARF params Ansuel Smith
2020-04-30 22:06 ` [PATCH v3 08/11] devicetree: bindings: pci: document PARF params bindings Ansuel Smith
2020-05-07 18:10 ` Rob Herring [this message]
2020-05-07 19:34 ` R: " ansuelsmth
2020-05-12 15:45 ` Rob Herring
2020-05-13 11:43 ` Stanimir Varbanov
2020-05-13 12:56 ` R: " ansuelsmth
2020-05-20 10:01 ` Stanimir Varbanov
2020-04-30 22:06 ` [PATCH v3 09/11] PCI: qcom: add ipq8064 rev2 variant and set tx term offset Ansuel Smith
2020-05-07 18:13 ` Rob Herring
2020-05-08 22:00 ` R: " ansuelsmth
2020-05-13 11:37 ` Stanimir Varbanov
2020-05-13 12:54 ` R: " ansuelsmth
2020-05-13 13:49 ` Stanimir Varbanov
2020-04-30 22:06 ` [PATCH v3 10/11] devicetree: bindings: pci: add ipq8064 rev 2 variant to qcom,pcie Ansuel Smith
2020-05-07 18:14 ` Rob Herring
2020-04-30 22:06 ` [PATCH v3 11/11] PCI: qcom: add Force GEN1 support Ansuel Smith
2020-05-01 17:07 ` [PATCH v3 00/11] Multiple fixes in PCIe qcom driver Bjorn Helgaas
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