[PATCH v2 1/2] dt-bindings: reset: Add YAML schemas for the Intel Reset controller

Dilip Kota
2019-08-23T05:28:58Z

Add YAML schemas for the reset controller on Intel
Lightening Mountain (LGM) SoC.

Signed-off-by: Dilip Kota <eswara.kota@linux.intel.com>
---
Changes on v2:
Address review comments
Update the compatible property definition
Add description for reset-cells
Add 'additionalProperties: false' property

.../bindings/reset/intel,syscon-reset.yaml | 53 ++++++++++++++++++++++
1 file changed, 53 insertions(+)
create mode 100644 Documentation/devicetree/bindings/reset/intel,syscon-reset.yaml

diff --git a/Documentation/devicetree/bindings/reset/intel,syscon-reset.yaml b/Documentation/devicetree/bindings/reset/intel,syscon-reset.yaml
new file mode 100644
index 000000000000..3403a967190a
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/intel,syscon-reset.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/intel,syscon-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel Lightening Mountain SoC System Reset Controller
+
+maintainers:
+ - Dilip Kota <eswara.kota@linux.intel.com>
+
+properties:
+ compatible:
+ items:
+ - const: intel,rcu-lgm
+ - const: syscon
+
+ reg:
+ description: Reset controller register base address and size
+
+ intel,global-reset:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ description: Global reset register offset and bit offset.
+
+ "#reset-cells":
+ const: 2
+ description: |
+ The 1st cell is the register offset.
+ The 2nd cell is the bit offset in the register.
+
+required:
+ - compatible
+ - reg
+ - intel,global-reset
+ - "#reset-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ rcu0: reset-controller@00000000 {
+ compatible = "intel,rcu-lgm", "syscon";
+ reg = <0x000000 0x80000>;
+ intel,global-reset = <0x10 30>;
+ #reset-cells = <2>;
+ };
+
+ pcie_phy0: pciephy@... {
+ ...
+ /* address offset: 0x10, bit offset: 12 */
+ resets = <&rcu0 0x10 12>;
+ ...
+ };
--
2.11.0