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[1/6] dt-bindings: nvme: Document nvme-card compatible

Message ID 20240804114108.1893-2-ansuelsmth@gmail.com
State Superseded
Headers show
Series mtd: improve block2mtd + airoha parser | expand

Commit Message

Christian Marangi Aug. 4, 2024, 11:41 a.m. UTC 
Document new nvme-card compatible to permit defining fixed-partition in
DT by the use of the block2mtd module to use block devices as MTD.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
---
 .../devicetree/bindings/nvme/nvme-card.yaml   | 78 +++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/nvme/nvme-card.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/nvme/nvme-card.yaml b/Documentation/devicetree/bindings/nvme/nvme-card.yaml
new file mode 100644
index 000000000000..20e9a877fac4
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvme/nvme-card.yaml
@@ -0,0 +1,78 @@ 
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvme/nvme-card.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NVME Card
+
+maintainers:
+  - Christian Marangi <ansuelsmth@gmail.com>
+
+description: |
+  This documents describes the devicetree bindings for a NVME controller
+  child node describing a nvme-card.
+
+properties:
+  compatible:
+    const: nvme-card
+
+  partitions:
+    $ref: /schemas/mtd/partitions/partitions.yaml
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    pcie {
+        #address-cells = <3>;
+        #size-cells = <2>;
+
+        bridge@0,0 {
+            reg = <0x00000000 0 0 0 0>;
+            #address-cells = <3>;
+            #size-cells = <2>;
+            ranges;
+
+            nvme@1,0 {
+                compatible = "pci144d,a809";
+
+                reg = <0x00010000 0 0 0 0>;
+                #address-cells = <1>;
+                #size-cells = <1>;
+
+                card {
+                    compatible = "nvme-card";
+
+                    partitions {
+                        compatible = "fixed-partitions";
+                        #address-cells = <1>;
+                        #size-cells = <1>;
+
+                        bootloader@0 {
+                          label = "bootloader";
+                          reg = <0x00000000 0x00080000>;
+                        };
+
+                        tclinux@80000 {
+                          label = "tclinux";
+                          reg = <0x00080000 0x02800000>;
+                        };
+
+                        tclinux_slave@2880000 {
+                          label = "tclinux_slave";
+                          reg = <0x02880000 0x02800000>;
+                        };
+
+                        rootfs_data@5080000 {
+                          label = "rootfs_data";
+                          reg = <0x5080000 0x00800000>;
+                        };
+                    };
+                };
+            };
+        };
+    };