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Message-ID: <20231201055103.GG4009@thinkpad>
Date: Fri, 1 Dec 2023 11:21:03 +0530
From: Manivannan Sadhasivam <mani@...nel.org>
To: Mrinmay Sarkar <quic_msarkar@...cinc.com>
Cc: agross@...nel.org, andersson@...nel.org,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
konrad.dybcio@...aro.org, robh+dt@...nel.org,
quic_shazhuss@...cinc.com, quic_nitegupt@...cinc.com,
quic_ramkri@...cinc.com, quic_nayiluri@...cinc.com,
dmitry.baryshkov@...aro.org, robh@...nel.org,
quic_krichai@...cinc.com, quic_vbadigan@...cinc.com,
quic_parass@...cinc.com, quic_schintav@...cinc.com,
quic_shijjose@...cinc.com, Bjorn Helgaas <bhelgaas@...gle.com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof Wilczyński <kw@...ux.com>,
Kishon Vijay Abraham I <kishon@...nel.org>,
linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
mhi@...ts.linux.dev
Subject: Re: [PATCH v8 1/5] dt-bindings: PCI: qcom-ep: Add support for
SA8775P SoC
On Sat, Nov 11, 2023 at 08:02:57AM +0530, Mrinmay Sarkar wrote:
> Add devicetree bindings support for SA8775P SoC. It has DMA register
> space and dma interrupt to support HDMA.
>
> Signed-off-by: Mrinmay Sarkar <quic_msarkar@...cinc.com>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
- Mani
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
> .../devicetree/bindings/pci/qcom,pcie-ep.yaml | 64 +++++++++++++++++++++-
> 1 file changed, 62 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> index a223ce0..46802f7 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> @@ -13,6 +13,7 @@ properties:
> compatible:
> oneOf:
> - enum:
> + - qcom,sa8775p-pcie-ep
> - qcom,sdx55-pcie-ep
> - qcom,sm8450-pcie-ep
> - items:
> @@ -20,6 +21,7 @@ properties:
> - const: qcom,sdx55-pcie-ep
>
> reg:
> + minItems: 6
> items:
> - description: Qualcomm-specific PARF configuration registers
> - description: DesignWare PCIe registers
> @@ -27,8 +29,10 @@ properties:
> - description: Address Translation Unit (ATU) registers
> - description: Memory region used to map remote RC address space
> - description: BAR memory region
> + - description: DMA register space
>
> reg-names:
> + minItems: 6
> items:
> - const: parf
> - const: dbi
> @@ -36,13 +40,14 @@ properties:
> - const: atu
> - const: addr_space
> - const: mmio
> + - const: dma
>
> clocks:
> - minItems: 7
> + minItems: 5
> maxItems: 8
>
> clock-names:
> - minItems: 7
> + minItems: 5
> maxItems: 8
>
> qcom,perst-regs:
> @@ -57,14 +62,18 @@ properties:
> - description: Perst separation enable offset
>
> interrupts:
> + minItems: 2
> items:
> - description: PCIe Global interrupt
> - description: PCIe Doorbell interrupt
> + - description: DMA interrupt
>
> interrupt-names:
> + minItems: 2
> items:
> - const: global
> - const: doorbell
> + - const: dma
>
> reset-gpios:
> description: GPIO used as PERST# input signal
> @@ -125,6 +134,10 @@ allOf:
> - qcom,sdx55-pcie-ep
> then:
> properties:
> + reg:
> + maxItems: 6
> + reg-names:
> + maxItems: 6
> clocks:
> items:
> - description: PCIe Auxiliary clock
> @@ -143,6 +156,10 @@ allOf:
> - const: slave_q2a
> - const: sleep
> - const: ref
> + interrupts:
> + maxItems: 2
> + interrupt-names:
> + maxItems: 2
>
> - if:
> properties:
> @@ -152,6 +169,10 @@ allOf:
> - qcom,sm8450-pcie-ep
> then:
> properties:
> + reg:
> + maxItems: 6
> + reg-names:
> + maxItems: 6
> clocks:
> items:
> - description: PCIe Auxiliary clock
> @@ -172,6 +193,45 @@ allOf:
> - const: ref
> - const: ddrss_sf_tbu
> - const: aggre_noc_axi
> + interrupts:
> + maxItems: 2
> + interrupt-names:
> + maxItems: 2
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - qcom,sa8775p-pcie-ep
> + then:
> + properties:
> + reg:
> + minItems: 7
> + maxItems: 7
> + reg-names:
> + minItems: 7
> + maxItems: 7
> + clocks:
> + items:
> + - description: PCIe Auxiliary clock
> + - description: PCIe CFG AHB clock
> + - description: PCIe Master AXI clock
> + - description: PCIe Slave AXI clock
> + - description: PCIe Slave Q2A AXI clock
> + clock-names:
> + items:
> + - const: aux
> + - const: cfg
> + - const: bus_master
> + - const: bus_slave
> + - const: slave_q2a
> + interrupts:
> + minItems: 3
> + maxItems: 3
> + interrupt-names:
> + minItems: 3
> + maxItems: 3
>
> unevaluatedProperties: false
>
> --
> 2.7.4
>
--
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