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Date:   Sat, 11 Nov 2023 08:02:57 +0530
From:   Mrinmay Sarkar <quic_msarkar@...cinc.com>
To:     agross@...nel.org, andersson@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        konrad.dybcio@...aro.org, mani@...nel.org, robh+dt@...nel.org
Cc:     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,
        Mrinmay Sarkar <quic_msarkar@...cinc.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof WilczyƄski <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: [PATCH v8 1/5] dt-bindings: PCI: qcom-ep: Add support for SA8775P SoC

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>
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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