linux-kernel - Re: [PATCH v1 5/9] dt-bindings: PLDA: Add PLDA XpressRICH PCIe host controller

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Message-ID: <8e78ffd6-1cec-ad3b-7809-1b0350bef935@starfivetech.com>
Date:   Thu, 20 Jul 2023 15:02:58 +0800
From:   Minda Chen <minda.chen@...rfivetech.com>
To:     Rob Herring <robh@...nel.org>
CC:     Daire McNamara <daire.mcnamara@...rochip.com>,
        Conor Dooley <conor@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <linux-pci@...r.kernel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Mason Huo <mason.huo@...rfivetech.com>,
        Leyfoon Tan <leyfoon.tan@...rfivetech.com>,
        Kevin Xie <kevin.xie@...rfivetech.com>
Subject: Re: [PATCH v1 5/9] dt-bindings: PLDA: Add PLDA XpressRICH PCIe host
 controller



On 2023/7/20 6:29, Rob Herring wrote:
> On Wed, Jul 19, 2023 at 06:20:53PM +0800, Minda Chen wrote:
>> Add PLDA XpressRICH host controller dt-bindings. Both Microchip
>> PolarFire SoC and StarFive JH7110 SoC are using PLDA XpressRICH
>> PCIe host controller IP.
>> 
>> Signed-off-by: Minda Chen <minda.chen@...rfivetech.com>
>> Reviewed-by: Hal Feng <hal.feng@...rfivetech.com>
>> ---
>>  .../pci/plda,xpressrich-pcie-host.yaml        | 66 +++++++++++++++++++
>>  1 file changed, 66 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-host.yaml
>> 
>> diff --git a/Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-host.yaml b/Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-host.yaml
>> new file mode 100644
>> index 000000000000..10a10862a078
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-host.yaml
>> @@ -0,0 +1,66 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/pci/plda,xpressrich-pcie-host.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: PLDA XpressRICH PCIe host controller
>> +
>> +maintainers:
>> +  - Daire McNamara <daire.mcnamara@...rochip.com>
>> +  - Minda Chen <minda.chen@...rfivetech.com>
>> +
>> +allOf:
>> +  - $ref: /schemas/pci/pci-bus.yaml#
>> +  - $ref: plda,xpressrich-pcie-common.yaml#
>> +  - $ref: /schemas/interrupt-controller/msi-controller.yaml#
>> +
>> +properties:
>> +  compatible:
>> +    const: plda,xpressrich-pcie-host
> 
> What h/w is this in? I don't see why this is needed. You have the common 
> schema for the IP block and then the Microchip and Starfive schemas for 
> the 2 implementations.
> 
> Rob
OK. I will delete this patch and pcie-plda-plat.c