linux-kernel - Re: [PATCH 0/2] phy: qcom: qmp-pcie: Update PCIe PHY settings for SM8550

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Date: Wed, 24 Jan 2024 09:58:06 +0100
From: neil.armstrong@...aro.org
To: Qiang Yu <quic_qianyu@...cinc.com>, agross@...nel.org,
 andersson@...nel.org, konrad.dybcio@...aro.org, vkoul@...nel.org,
 kishon@...nel.org
Cc: linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
 linux-kernel@...r.kernel.org, quic_cang@...cinc.com, quic_mrana@...cinc.com
Subject: Re: [PATCH 0/2] phy: qcom: qmp-pcie: Update PCIe PHY settings for
 SM8550

On 28/12/2023 06:42, Qiang Yu wrote:
> Align PCIe0/PCIe1 PHY settings with SM8550 latest PCIe PHY Hardware
> Programming Guide.
> 
> Can Guo (1):
>    phy: qcom: qmp-pcie: Update PCIe1 PHY settings for SM8550
> 
> Qiang Yu (1):
>    phy: qcom: qmp-pcie: Update PCIe0 PHY settings for SM8550
> 
>   drivers/phy/qualcomm/phy-qcom-qmp-pcie.c             | 20 ++++++++++++++------
>   drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6.h      |  2 ++
>   drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6_20.h   |  2 ++
>   drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6_20.h        |  1 +
>   .../phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v6_20.h   |  2 ++
>   5 files changed, 21 insertions(+), 6 deletions(-)
> 

- On SM8550-HDK:
# lspci
0000:00:00.0 PCI bridge: Qualcomm Device 0113
0000:01:00.0 Network controller: Qualcomm Device 1107 (rev 01)
0001:00:00.0 PCI bridge: Qualcomm Device 0113
0001:01:00.0 Non-Volatile memory controller: Phison Electronics Corporation E12 NVMe Controller (rev 01)


# lspci -nvv
0000:00:00.0 0604: 17cb:0113 (prog-if 00 [Normal decode])
		LnkCap:	Port #0, Speed 8GT/s, Width x2, ASPM L0s L1, Exit Latency L0s <4us, L1 <8us
		LnkSta:	Speed 5GT/s, Width x2
0001:00:00.0 0604: 17cb:0113 (prog-if 00 [Normal decode])
		LnkCap:	Port #0, Speed 16GT/s, Width x2, ASPM L0s L1, Exit Latency L0s <4us, L1 <8us
		LnkSta:	Speed 8GT/s, Width x2

Tested-by: Neil Armstrong <neil.armstrong@...aro.org> # on SM8550-HDK

- On SM8550-QRD:
# lspci
00:00.0 PCI bridge: Qualcomm Device 0113
01:00.0 Network controller: Qualcomm Device 1107 (rev 01)

# lspci -nvv
		LnkCap:	Port #0, Speed 8GT/s, Width x2, ASPM L0s L1, Exit Latency L0s <4us, L1 <8us
		LnkSta:	Speed 5GT/s, Width x2

Tested-by: Neil Armstrong <neil.armstrong@...aro.org> # on SM8550-QRD

Thanks,
Neil