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From:   Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
To:     <linux-pci@vger.kernel.org>, <linux-kernel@vger.kernel.org>
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        <michals@xilinx.com>,
        Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
Subject: [PATCH 1/2] PCI: xilinx-cpm: Update YAML schemas for Versal CPM5 Root Port
Date:   Fri, 4 Feb 2022 18:32:15 +0530
Message-ID: <20220204130216.2206-2-bharat.kumar.gogada@xilinx.com>
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Xilinx Versal Premium series has CPM5 block which supports Root port
functioning at Gen5 speed.
Add support for YAML schemas documentation for Versal CPM5 Root Port driver.

Signed-off-by: Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
---
 .../bindings/pci/xilinx-versal-cpm.yaml       | 47 ++++++++++++++++---
 1 file changed, 40 insertions(+), 7 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml b/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml
index 32f4641085bc..97c7229d7f91 100644
--- a/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml
+++ b/Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml
@@ -14,17 +14,21 @@ allOf:
 
 properties:
   compatible:
-    const: xlnx,versal-cpm-host-1.00
+    contains:
+      enum:
+        - xlnx,versal-cpm-host-1.00
+        - xlnx,versal-cpm5-host-1.00
 
   reg:
-    items:
-      - description: Configuration space region and bridge registers.
-      - description: CPM system level control and status registers.
+    description: |
+      Should contain cpm_slcr, cfg registers location and length.
+      For xlnx,versal-cpm5-host-1.00, it should also contain cpm_csr.
+    minItems: 2
+    maxItems: 3
 
   reg-names:
-    items:
-      - const: cfg
-      - const: cpm_slcr
+    minItems: 2
+    maxItems: 3
 
   interrupts:
     maxItems: 1
@@ -95,4 +99,33 @@ examples:
                                interrupt-controller;
                        };
                };
+
+              cpm5_pcie: pcie@fcdd0000 {
+                       compatible = "xlnx,versal-cpm5-host-1.00";
+                       device_type = "pci";
+                       #address-cells = <3>;
+                       #interrupt-cells = <1>;
+                       #size-cells = <2>;
+                       interrupts = <0 72 4>;
+                       interrupt-parent = <&gic>;
+                       interrupt-map-mask = <0 0 0 7>;
+                       interrupt-map = <0 0 0 1 &pcie_intc_1 0>,
+                                       <0 0 0 2 &pcie_intc_1 1>,
+                                       <0 0 0 3 &pcie_intc_1 2>,
+                                       <0 0 0 4 &pcie_intc_1 3>;
+                       bus-range = <0x00 0xff>;
+                       ranges = <0x02000000 0x0 0xe0000000 0x0 0xe0000000 0x0 0x10000000>,
+                                <0x43000000 0x80 0x00000000 0x80 0x00000000 0x0 0x80000000>;
+                       msi-map = <0x0 &its_gic 0x0 0x10000>;
+                       reg = <0x00 0xfcdd0000 0x00 0x1000>,
+                             <0x06 0x00000000 0x00 0x1000000>,
+                             <0x00 0xfce20000 0x00 0x1000000>;
+                       reg-names = "cpm_slcr", "cfg", "cpm_csr";
+
+                       pcie_intc_1: interrupt-controller {
+                               #address-cells = <0>;
+                               #interrupt-cells = <1>;
+                               interrupt-controller;
+                       };
+               };
     };
-- 
2.17.1