[v7,12/37] dt-bindings: pci: pci-sh7751: Add SH7751 PCI

Commit Message

Yoshinori Sato April 4, 2024, 4:59 a.m. UTC

Renesas SH7751 PCI Controller json-schema.

Signed-off-by: Yoshinori Sato <[e-mail]>
---
 .../bindings/pci/renesas,sh7751-pci.yaml      | 89 +++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pci/renesas,sh7751-pci.yaml

Patch

diff --git a/Documentation/devicetree/bindings/pci/renesas,sh7751-pci.yaml b/Documentation/devicetree/bindings/pci/renesas,sh7751-pci.yaml
new file mode 100644
index 000000000000..115c2bb67339
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/renesas,sh7751-pci.yaml
@@ -0,0 +1,89 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/renesas,sh7751-pci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas SH7751 PCI Host controller
+
+maintainers:
+  - Yoshinori Sato <[e-mail]>
+
+allOf:
+  - $ref: /schemas/pci/pci-bus.yaml#
+
+properties:
+  compatible:
+    const: renesas,sh7751-pci
+
+  reg:
+    minItems: 2
+    maxItems: 2
+
+  reg-names:
+    items:
+      - const: PCI Controller
+      - const: Bus State Controller
+
+  "#interrupt-cells":
+    const: 1
+
+  "#address-cells":
+    const: 3
+
+  "#size-cells":
+    const: 2
+
+  ranges: true
+
+  dma-ranges: true
+
+  interrupt-controller: true
+
+  renesas,bus-arbit-round-robin:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description: |
+      Set DMA bus arbitration to round robin.
+
+required:
+  - compatible
+  - reg
+  - "#interrupt-cells"
+  - "#address-cells"
+  - "#size-cells"
+  - ranges
+  - interrupt-map
+  - interrupt-map-mask
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    pci@fe200000 {
+            compatible = "renesas,sh7751-pci";
+            #address-cells = <3>;
+            #size-cells = <2>;
+            #interrupt-cells = <1>;
+            interrupt-controller;
+            device_type = "pci";
+            bus-range = <0 0>;
+            ranges = <0x02000000 0 0xfd000000 0xfd000000 0 0x01000000>,
+                     <0x01000000 0 0x00000000 0xfe240000 0 0x00040000>;
+            dma-ranges = <0x02000000 0 0xc000000 0x0c000000 0 0x04000000>;
+            reg = <0xfe200000 0x0400>,
+                  <0xff800000 0x0100>;
+            interrupt-map = <0x0000 0 0 1 &julianintc 5 IRQ_TYPE_LEVEL_LOW>,
+                            <0x0000 0 0 2 &julianintc 6 IRQ_TYPE_LEVEL_LOW>,
+                            <0x0000 0 0 3 &julianintc 7 IRQ_TYPE_LEVEL_LOW>,
+                            <0x0000 0 0 4 &julianintc 8 IRQ_TYPE_LEVEL_LOW>,
+                            <0x0800 0 0 1 &julianintc 6 IRQ_TYPE_LEVEL_LOW>,
+                            <0x0800 0 0 2 &julianintc 7 IRQ_TYPE_LEVEL_LOW>,
+                            <0x0800 0 0 3 &julianintc 8 IRQ_TYPE_LEVEL_LOW>,
+                            <0x0800 0 0 4 &julianintc 5 IRQ_TYPE_LEVEL_LOW>,
+                            <0x1000 0 0 1 &julianintc 7 IRQ_TYPE_LEVEL_LOW>,
+                            <0x1000 0 0 2 &julianintc 8 IRQ_TYPE_LEVEL_LOW>,
+                            <0x1000 0 0 3 &julianintc 5 IRQ_TYPE_LEVEL_LOW>,
+                            <0x1000 0 0 4 &julianintc 6 IRQ_TYPE_LEVEL_LOW>;
+            interrupt-map-mask = <0x1800 0 0 7>;
+    };