From: Vidya Sagar <vidyas@nvidia.com>
To: Rob Herring <robh@kernel.org>
Cc: <lorenzo.pieralisi@arm.com>, <bhelgaas@google.com>,
<mark.rutland@arm.com>, <thierry.reding@gmail.com>,
<jonathanh@nvidia.com>, <kishon@ti.com>,
<catalin.marinas@arm.com>, <will.deacon@arm.com>,
<jingoohan1@gmail.com>, <gustavo.pimentel@synopsys.com>,
<mperttunen@nvidia.com>, <linux-pci@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>, <kthota@nvidia.com>,
<mmaddireddy@nvidia.com>, <sagar.tv@gmail.com>
Subject: Re: [PATCH V5 11/16] dt-bindings: PHY: P2U: Add Tegra 194 P2U block
Date: Tue, 7 May 2019 15:27:56 +0530 [thread overview]
Message-ID: <c13db22f-0557-8e98-0a1d-00ee4405e6db@nvidia.com> (raw)
In-Reply-To: <20190426154519.GA19329@bogus>
On 4/26/2019 9:15 PM, Rob Herring wrote:
> On Wed, Apr 24, 2019 at 10:49:59AM +0530, Vidya Sagar wrote:
>> Add support for Tegra194 P2U (PIPE to UPHY) module block which is a glue
>> module instantiated one for each PCIe lane between Synopsys Designware core
>> based PCIe IP and Universal PHY block.
>
> Missing Sob.
Done.
>
>> ---
>> Changes since [v4]:
>> * None
>>
>> Changes since [v3]:
>> * None
>>
>> Changes since [v2]:
>> * Changed node label to reflect new format that includes either 'hsio' or
>> 'nvhs' in its name to reflect which UPHY brick they belong to
>>
>> Changes since [v1]:
>> * This is a new patch in v2 series
>>
>> .../bindings/phy/phy-tegra194-p2u.txt | 28 +++++++++++++++++++
>> 1 file changed, 28 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/phy/phy-tegra194-p2u.txt
>>
>> diff --git a/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.txt b/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.txt
>> new file mode 100644
>> index 000000000000..8b543cba483b
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.txt
>> @@ -0,0 +1,28 @@
>> +NVIDIA Tegra194 P2U binding
>> +
>> +Tegra194 has two PHY bricks namely HSIO (High Speed IO) and NVHS (NVIDIA High
>> +Speed) each interfacing with 12 and 8 P2U instances respectively.
>> +A P2U instance is a glue logic between Synopsys DesignWare Core PCIe IP's PIPE
>> +interface and PHY of HSIO/NVHS bricks. Each P2U instance represents one PCIe
>> +lane.
>> +
>> +Required properties:
>> +- compatible: For Tegra19x, must contain "nvidia,tegra194-p2u".
>> +- reg: Should be the physical address space and length of respective each P2U
>> + instance.
>> +- reg-names: Must include the entry "ctl".
>
> -names is pointless when there is only 1.
I did it this way to make it future proof as there could be more regions that might get
added at a later point of time.
>
>> +
>> +Required properties for PHY port node:
>> +- #phy-cells: Defined by generic PHY bindings. Must be 0.
>> +
>> +Refer to phy/phy-bindings.txt for the generic PHY binding properties.
>> +
>> +Example:
>> +
>> +p2u_hsio_0: p2u@3e10000 {
>
> phy@...
Done.
>
>> + compatible = "nvidia,tegra194-p2u";
>> + reg = <0x03e10000 0x10000>;
>> + reg-names = "ctl";
>> +
>> + #phy-cells = <0>;
>> +};
>> --
>> 2.17.1
>>
next prev parent reply other threads:[~2019-05-07 9:58 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-24 5:19 [PATCH V5 00/16] Add Tegra194 PCIe support Vidya Sagar
2019-04-24 5:19 ` [PATCH V5 01/16] PCI: Add #defines for some of PCIe spec r4.0 features Vidya Sagar
2019-04-24 5:19 ` [PATCH V5 02/16] PCI/PME: Export pcie_pme_disable_msi() & pcie_pme_no_msi() APIs Vidya Sagar
2019-05-03 11:01 ` Thierry Reding
2019-05-07 7:10 ` Vidya Sagar
2019-05-07 7:51 ` Vidya Sagar
2019-04-24 5:19 ` [PATCH V5 03/16] PCI: Export pcie_bus_config symbol Vidya Sagar
2019-05-03 11:07 ` Thierry Reding
2019-05-10 6:21 ` Vidya Sagar
2019-05-10 16:46 ` Bjorn Helgaas
2019-05-10 17:50 ` Vidya Sagar
2019-04-24 5:19 ` [PATCH V5 04/16] PCI: dwc: Perform dbi regs write lock towards the end Vidya Sagar
2019-05-03 11:13 ` Thierry Reding
2019-05-07 7:49 ` Vidya Sagar
2019-04-24 5:19 ` [PATCH V5 05/16] PCI: dwc: Move config space capability search API Vidya Sagar
2019-04-24 8:13 ` Gustavo Pimentel
2019-05-07 8:04 ` Vidya Sagar
2019-04-24 5:19 ` [PATCH V5 06/16] PCI: dwc: Add ext " Vidya Sagar
2019-04-24 5:19 ` [PATCH V5 07/16] dt-bindings: PCI: designware: Add binding for CDM register check Vidya Sagar
2019-04-26 14:32 ` Rob Herring
2019-05-07 8:25 ` Vidya Sagar
2019-05-13 15:15 ` Rob Herring
2019-05-14 5:29 ` Vidya Sagar
2019-04-24 5:19 ` [PATCH V5 08/16] PCI: dwc: Add support to enable " Vidya Sagar
2019-04-24 5:19 ` [PATCH V5 09/16] Documentation/devicetree: Add PCIe supports-clkreq property Vidya Sagar
2019-04-26 15:22 ` Rob Herring
2019-05-07 8:31 ` Vidya Sagar
2019-04-24 5:19 ` [PATCH V5 10/16] dt-bindings: PCI: tegra: Add device tree support for T194 Vidya Sagar
2019-04-26 15:43 ` Rob Herring
2019-05-07 9:20 ` Vidya Sagar
2019-05-13 15:20 ` Rob Herring
2019-05-14 6:25 ` Vidya Sagar
2019-05-03 11:19 ` Thierry Reding
2019-05-07 9:26 ` Vidya Sagar
2019-04-24 5:19 ` [PATCH V5 11/16] dt-bindings: PHY: P2U: Add Tegra 194 P2U block Vidya Sagar
2019-04-26 15:45 ` Rob Herring
2019-04-26 16:07 ` Thierry Reding
2019-04-26 18:05 ` Rob Herring
2019-05-07 9:57 ` Vidya Sagar [this message]
2019-04-24 5:20 ` [PATCH V5 12/16] arm64: tegra: Add P2U and PCIe controller nodes to Tegra194 DT Vidya Sagar
2019-05-03 11:26 ` Thierry Reding
2019-05-07 10:10 ` Vidya Sagar
2019-04-24 5:20 ` [PATCH V5 13/16] arm64: tegra: Enable PCIe slots in P2972-0000 board Vidya Sagar
2019-05-03 11:27 ` Thierry Reding
2019-05-07 10:11 ` Vidya Sagar
2019-04-24 5:20 ` [PATCH V5 14/16] phy: tegra: Add PCIe PIPE2UPHY support Vidya Sagar
2019-05-03 11:35 ` Thierry Reding
2019-05-07 10:25 ` Vidya Sagar
2019-04-24 5:20 ` [PATCH V5 15/16] PCI: tegra: Add Tegra194 PCIe support Vidya Sagar
2019-05-03 13:08 ` Thierry Reding
2019-05-07 13:54 ` Vidya Sagar
2019-04-24 5:20 ` [PATCH V5 16/16] arm64: Add Tegra194 PCIe driver to defconfig Vidya Sagar
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