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Date: Mon, 12 Jul 2021 23:49:16 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Manivannan Sadhasivam <mani@...nel.org>
Cc: Rob Herring <robh@...nel.org>, linuxarm@...wei.com,
mauro.chehab@...wei.com,
Krzysztof Wilczyński <kw@...ux.com>,
Binghui Wang <wangbinghui@...ilicon.com>,
Rob Herring <robh+dt@...nel.org>,
Xiaowei Song <songxiaowei@...ilicon.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
linux-phy@...ts.infradead.org
Subject: Re: [PATCH v3 0/9] Add support for Hikey 970 PCIe
Em Mon, 12 Jul 2021 13:49:44 +0530
Manivannan Sadhasivam <mani@...nel.org> escreveu:
> Hi Mauro,
>
> On Fri, Jul 09, 2021 at 12:41:36PM +0200, Mauro Carvalho Chehab wrote:
> > As requested by Rob Herring, this series split the PHY part into a separate driver.
> > Then, it adds support for Kirin 970 on a single patch.
> >
> > With this change, the PHY-specific device tree bindings for Kirin 960 moved
> > to its own PHY properties.
> >
> > Manivannan,
> >
> > Please notice that the last two patches are marked as co-developed:
> >
> > phy: hisilicon: add driver for Kirin 970 PCIe PHY
> > arm64: dts: hisilicon: Add support for HiKey 970 PCIe controller hardware
> >
> > The first one contains the code you submitted in the past adding
> > support for Kirin 970 at the pcie-kirin driver, modified by me and
> > moved to a separate driver.
> >
> > The second one is the DTS file, also modified by me in order to split the PHY
> > properties from the PCIe ones.
> >
> > Please send your SoB to confirm that both changes are OK for you.
> >
>
> I'm fine with the changes. The dts patch already has my s-o-b as you
> preserved my authorship and I've sent my s-o-b for the driver patch.
> I used my korg address for the driver patch but that's fine as all these
> efforts were done in my spare time.
Thank you! Sent v4 with your SoB at the driver part. I'll submit
your DTS patch later on, as it depends on a patch adding DT for HiKey 970
PMIC, that should be merged via another tree.
Regards,
Mauro
>
> Thanks,
> Mani
>
> > Tested on Hikey970:
> >
> > $ lspci
> > 00:00.0 PCI bridge: Huawei Technologies Co., Ltd. Device 3670 (rev 01)
> > 01:00.0 PCI bridge: PLX Technology, Inc. PEX 8606 6 Lane, 6 Port PCI Express Gen 2 (5.0 GT/s) Switch (rev ba)
> > 02:01.0 PCI bridge: PLX Technology, Inc. PEX 8606 6 Lane, 6 Port PCI Express Gen 2 (5.0 GT/s) Switch (rev ba)
> > 02:04.0 PCI bridge: PLX Technology, Inc. PEX 8606 6 Lane, 6 Port PCI Express Gen 2 (5.0 GT/s) Switch (rev ba)
> > 02:05.0 PCI bridge: PLX Technology, Inc. PEX 8606 6 Lane, 6 Port PCI Express Gen 2 (5.0 GT/s) Switch (rev ba)
> > 02:07.0 PCI bridge: PLX Technology, Inc. PEX 8606 6 Lane, 6 Port PCI Express Gen 2 (5.0 GT/s) Switch (rev ba)
> > 02:09.0 PCI bridge: PLX Technology, Inc. PEX 8606 6 Lane, 6 Port PCI Express Gen 2 (5.0 GT/s) Switch (rev ba)
> > 06:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 07)
> >
> > $ ethtool enp6s0
> > Settings for enp6s0:
> > Supported ports: [ TP MII ]
> > Supported link modes: 10baseT/Half 10baseT/Full
> > 100baseT/Half 100baseT/Full
> > 1000baseT/Half 1000baseT/Full
> > Supported pause frame use: Symmetric Receive-only
> > Supports auto-negotiation: Yes
> > Supported FEC modes: Not reported
> > Advertised link modes: 10baseT/Half 10baseT/Full
> > 100baseT/Half 100baseT/Full
> > 1000baseT/Half 1000baseT/Full
> > Advertised pause frame use: Symmetric Receive-only
> > Advertised auto-negotiation: Yes
> > Advertised FEC modes: Not reported
> > Link partner advertised link modes: 10baseT/Half 10baseT/Full
> > 100baseT/Half 100baseT/Full
> > Link partner advertised pause frame use: Symmetric Receive-only
> > Link partner advertised auto-negotiation: Yes
> > Link partner advertised FEC modes: Not reported
> > Speed: 100Mb/s
> > Duplex: Full
> > Auto-negotiation: on
> > master-slave cfg: preferred slave
> > master-slave status: slave
> > Port: Twisted Pair
> > PHYAD: 0
> > Transceiver: external
> > MDI-X: Unknown
> > netlink error: Operation not permitted
> > Link detected: yes
> >
> > Partially tested on Hikey 960[1]:
> >
> > $ lspci
> > 00:00.0 PCI bridge: Huawei Technologies Co., Ltd. Device 3660 (rev 01)
> >
> > [1] The Hikey 960 doesn't come with any internal PCIe device.
> > Its hardware supports just an external device via a M.2 slot that
> > doesn't support SATA. I ordered a NVMe device to test, but the vendor
> > is currently out of supply. It should take 4-5 weeks to arrive here. I'll
> > run an extra test on it once it arrives.
> >
> > Manivannan Sadhasivam (1):
> > arm64: dts: hisilicon: Add support for HiKey 970 PCIe controller
> > hardware
> >
> > Mauro Carvalho Chehab (8):
> > dt-bindings: phy: add bindings for Hikey 960 PCIe PHY
> > dt-bindings: phy: add bindings for Hikey 970 PCIe PHY
> > dt-bindings: PCI: kirin: fix compatible string
> > dt-bindings: PCI: kirin: drop PHY properties
> > phy: hisilicon: add a PHY driver for Kirin 960
> > PCI: kirin: drop the PHY logic from the driver
> > PCI: kirin: use regmap for APB registers
> > phy: hisilicon: add driver for Kirin 970 PCIe PHY
> >
> > .../devicetree/bindings/pci/kirin-pcie.txt | 21 +-
> > .../phy/hisilicon,phy-hi3660-pcie.yaml | 82 ++
> > .../phy/hisilicon,phy-hi3670-pcie.yaml | 101 ++
> > arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 29 +-
> > arch/arm64/boot/dts/hisilicon/hi3670.dtsi | 72 ++
> > .../boot/dts/hisilicon/hikey970-pmic.dtsi | 1 -
> > drivers/pci/controller/dwc/pcie-kirin.c | 298 ++----
> > drivers/phy/hisilicon/Kconfig | 20 +
> > drivers/phy/hisilicon/Makefile | 2 +
> > drivers/phy/hisilicon/phy-hi3660-pcie.c | 325 +++++++
> > drivers/phy/hisilicon/phy-hi3670-pcie.c | 892 ++++++++++++++++++
> > 11 files changed, 1572 insertions(+), 271 deletions(-)
> > create mode 100644 Documentation/devicetree/bindings/phy/hisilicon,phy-hi3660-pcie.yaml
> > create mode 100644 Documentation/devicetree/bindings/phy/hisilicon,phy-hi3670-pcie.yaml
> > create mode 100644 drivers/phy/hisilicon/phy-hi3660-pcie.c
> > create mode 100644 drivers/phy/hisilicon/phy-hi3670-pcie.c
> >
> > --
> > 2.31.1
> >
> >
Thanks,
Mauro
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