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From:   Mrinmay Sarkar <quic_msarkar@quicinc.com>
To:     agross@kernel.org, andersson@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
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        dmitry.baryshkov@linaro.org, robh@kernel.org,
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        quic_parass@quicinc.com, Mrinmay Sarkar <quic_msarkar@quicinc.com>,
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        Kishon Vijay Abraham I <kishon@kernel.org>,
        Vinod Koul <vkoul@kernel.org>, linux-arm-msm@vger.kernel.org,
        linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
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        linux-phy@lists.infradead.org
Subject: [PATCH v2 1/4] dt-bindings: PCI: qcom-ep: Add support for SA8775P SoC
Date:   Wed, 11 Oct 2023 16:48:26 +0530
Message-Id: <1697023109-23671-2-git-send-email-quic_msarkar@quicinc.com>
In-Reply-To: <1697023109-23671-1-git-send-email-quic_msarkar@quicinc.com>
References: <1697023109-23671-1-git-send-email-quic_msarkar@quicinc.com>
Precedence: bulk

Add devicetree bindings support for SA8775P SoC.
Define reg and interrupt per platform.

Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com>
---
 .../devicetree/bindings/pci/qcom,pcie-ep.yaml      | 131 +++++++++++++++++----
 1 file changed, 109 insertions(+), 22 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
index a223ce0..8f219a6e 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
@@ -13,36 +13,28 @@ properties:
   compatible:
     oneOf:
       - enum:
+          - qcom,sa8775p-pcie-ep
           - qcom,sdx55-pcie-ep
           - qcom,sm8450-pcie-ep
       - items:
+          - const: qcom,sa8775p-pcie-ep
           - const: qcom,sdx65-pcie-ep
           - const: qcom,sdx55-pcie-ep
 
   reg:
-    items:
-      - description: Qualcomm-specific PARF configuration registers
-      - description: DesignWare PCIe registers
-      - description: External local bus interface registers
-      - description: Address Translation Unit (ATU) registers
-      - description: Memory region used to map remote RC address space
-      - description: BAR memory region
+    minItems: 6
+    maxItems: 7
 
   reg-names:
-    items:
-      - const: parf
-      - const: dbi
-      - const: elbi
-      - const: atu
-      - const: addr_space
-      - const: mmio
+    minItems: 6
+    maxItems: 7
 
   clocks:
-    minItems: 7
+    minItems: 5
     maxItems: 8
 
   clock-names:
-    minItems: 7
+    minItems: 5
     maxItems: 8
 
   qcom,perst-regs:
@@ -57,14 +49,12 @@ properties:
           - description: Perst separation enable offset
 
   interrupts:
-    items:
-      - description: PCIe Global interrupt
-      - description: PCIe Doorbell interrupt
+    minItems: 2
+    maxItems: 3
 
   interrupt-names:
-    items:
-      - const: global
-      - const: doorbell
+    minItems: 2
+    maxItems: 3
 
   reset-gpios:
     description: GPIO used as PERST# input signal
@@ -122,6 +112,51 @@ allOf:
         compatible:
           contains:
             enum:
+              - qcom,sa8775p-pcie-ep
+    then:
+      properties:
+        reg:
+          items:
+            - description: Qualcomm-specific PARF configuration registers
+            - description: DesignWare PCIe registers
+            - description: External local bus interface registers
+            - 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:
+          items:
+            - const: parf
+            - const: dbi
+            - const: elbi
+            - const: atu
+            - const: addr_space
+            - const: mmio
+            - const: dma
+    else:
+      properties:
+        reg:
+          items:
+            - description: Qualcomm-specific PARF configuration registers
+            - description: DesignWare PCIe registers
+            - description: External local bus interface registers
+            - description: Address Translation Unit (ATU) registers
+            - description: Memory region used to map remote RC address space
+            - description: BAR memory region
+        reg-names:
+          items:
+            - const: parf
+            - const: dbi
+            - const: elbi
+            - const: atu
+            - const: addr_space
+            - const: mmio
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
               - qcom,sdx55-pcie-ep
     then:
       properties:
@@ -173,6 +208,58 @@ allOf:
             - const: ddrss_sf_tbu
             - const: aggre_noc_axi
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,sa8775-pcie-ep
+    then:
+      properties:
+        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
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,sa8775p-pcie-ep
+    then:
+      properties:
+        interrupts:
+          items:
+            - description: PCIe Global interrupt
+            - description: PCIe Doorbell interrupt
+            - description: DMA interrupt
+        interrupt-names:
+          items:
+            - const: global
+            - const: doorbell
+            - const: dma
+    else:
+      properties:
+        interrupts:
+          items:
+            - description: PCIe Global interrupt
+            - description: PCIe Doorbell interrupt
+        interrupt-names:
+          items:
+            - const: global
+            - const: doorbell
+
 unevaluatedProperties: false
 
 examples:
-- 
2.7.4