From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: "Krishna chaitanya chundru" <quic_krichai@quicinc.com>,
quic_mrana@quicinc.com, quic_vbadigan@quicinc.com,
kernel@quicinc.com, "Bjorn Andersson" <andersson@kernel.org>,
"Konrad Dybcio" <konradybcio@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Jingoo Han" <jingoohan1@gmail.com>,
"Manivannan Sadhasivam" <manivannan.sadhasivam@linaro.org>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org
Subject: Re: [PATCH 1/4] arm64: dts: qcom: x1e80100: Add PCIe lane equalization preset properties
Date: Sat, 16 Nov 2024 12:19:49 +0100 [thread overview]
Message-ID: <5648484f-38f2-4c75-b8a3-7a0148dc940b@oss.qualcomm.com> (raw)
In-Reply-To: <20241116-presets-v1-1-878a837a4fee@quicinc.com>
On 16.11.2024 2:37 AM, Krishna chaitanya chundru wrote:
> Add PCIe lane equalization preset properties for 8 GT/s and 16 GT/s data
> rates used in lane equalization procedure.
>
> Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
> ---
> arch/arm64/boot/dts/qcom/x1e80100.dtsi | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> index a36076e3c56b..6a2074297030 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> @@ -2993,6 +2993,10 @@ &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
> phys = <&pcie6a_phy>;
> phy-names = "pciephy";
>
> + eq-presets-8gts = /bits/ 16 <0x5555 0x5555>;
If we make all of these presets u8 arrays, we can use the:
property = [0xff 0xff 0xff 0xff];
syntax
Konrad
next prev parent reply other threads:[~2024-11-16 11:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-16 1:37 [PATCH 0/4] PCI: dwc: Add support for configuring lane equalization presets Krishna chaitanya chundru
2024-11-16 1:37 ` [PATCH 1/4] arm64: dts: qcom: x1e80100: Add PCIe lane equalization preset properties Krishna chaitanya chundru
2024-11-16 11:19 ` Konrad Dybcio [this message]
2024-11-27 1:42 ` Krishna Chaitanya Chundru
2024-11-30 13:00 ` Konrad Dybcio
2024-11-16 1:37 ` [PATCH 2/4] PCI: of: Add API to retrieve equalization presets from device tree Krishna chaitanya chundru
2024-11-16 10:59 ` Konrad Dybcio
2024-11-27 1:58 ` Krishna Chaitanya Chundru
2024-11-17 5:48 ` kernel test robot
2024-11-17 5:58 ` kernel test robot
2024-11-16 1:37 ` [PATCH 3/4] PCI: dwc: Improve handling of PCIe lane configuration Krishna chaitanya chundru
2024-11-16 1:37 ` [PATCH 4/4] PCI: dwc: Add support for configuring lane equalization presets Krishna chaitanya chundru
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