[PATCH v4 07/11] dt-bindings: ufs: Add NXP S32N79 UFS host controller

[Larisa Grigore]

Document the UFS host controller on the NXP S32N79 SoC.

Signed-off-by: Larisa Grigore <larisa.grigore@xxxxxxxxxxx>
Reviewed-by: Frank Li <Frank.Li@xxxxxxx>
---
 .../bindings/ufs/nxp,s32n79-ufshc.yaml        | 61 +++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/ufs/nxp,s32n79-ufshc.yaml

diff --git a/Documentation/devicetree/bindings/ufs/nxp,s32n79-ufshc.yaml b/Documentation/devicetree/bindings/ufs/nxp,s32n79-ufshc.yaml
new file mode 100644
index 000000000000..2bede50a9b6f
--- /dev/null
+++ b/Documentation/devicetree/bindings/ufs/nxp,s32n79-ufshc.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/ufs/nxp,s32n79-ufshc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP S32N79 Universal Flash Storage (UFS) Controller
+
+maintainers:
+  - Larisa Grigore <larisa.grigore@xxxxxxxxxxx>
+
+# Select only our matches, not all jedec,ufs
+select:
+  properties:
+    compatible:
+      contains:
+        const: nxp,s32n79-ufshc
+  required:
+    - compatible
+
+properties:
+  compatible:
+    items:
+      - const: nxp,s32n79-ufshc
+      - const: jedec,ufs-2.0
+
+  reg:
+    items:
+      - description: UFS Host Controller registers
+      - description: System Control Module registers
+
+  reg-names:
+    items:
+      - const: ufshc
+      - const: scm
+
+  clocks:
+    maxItems: 1
+    description: UFS core clock
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+
+allOf:
+  - $ref: ufs-common.yaml
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    ufshc@4ac80000 {
+        compatible = "nxp,s32n79-ufshc", "jedec,ufs-2.0";
+        reg = <0x4ac80000 0x1000>, <0x4ac40000 0x1000>;
+        reg-names = "ufshc", "scm";
+        interrupt-parent = <&irqsteer_coss>;
+        interrupts = <211>;
+        clocks = <&clks 0x92>;
+    };
-- 
2.43.0