From 9d3d5e75f31ca43d038a63cf701b5af4eae4623b Mon Sep 17 00:00:00 2001 From: Mrinmay Sarkar Date: Tue, 30 Apr 2024 21:25:37 +0530 Subject: dt-bindings: PCI: qcom-ep: Add support for SA8775P SoC MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add devicetree bindings support for SA8775P SoC. It has DMA register space and dma interrupt to support HDMA. Link: https://lore.kernel.org/linux-pci/1714492540-15419-2-git-send-email-quic_msarkar@quicinc.com Signed-off-by: Mrinmay Sarkar Signed-off-by: Krzysztof Wilczyński Signed-off-by: Bjorn Helgaas Reviewed-by: Krzysztof Kozlowski Acked-by: Manivannan Sadhasivam --- .../devicetree/bindings/pci/qcom,pcie-ep.yaml | 64 +++++++++++++++++++++- 1 file changed, 62 insertions(+), 2 deletions(-) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml index a223ce029cab..46802f7d9482 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 -- cgit