[PATCH v2 1/6] dt-bindings: nvme: Document nvme-card compatible

Christian Marangi
2024-08-04T17:44:32Z

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

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>;
+ };
+ };
+ };
+ };
+ };
+ };
--
2.45.2