[PATCH v2 1/2] dt-bindings: spmi: Add Google LGA SPMI controller

[vamshi gajjela]

From: Vamshi Gajjela <vamshigajjela@xxxxxxxxxx>

Document the device tree bindings for the SmartDV Technologies MIPI SPMI
master controller integrated in Google Tensor SoCs starting with the G5
generation (codename: laguna, canonically written as "lga").

Signed-off-by: Vamshi Gajjela <vamshigajjela@xxxxxxxxxx>
---
 .../bindings/spmi/google,lga-spmi.yaml        | 56 +++++++++++++++++++
 MAINTAINERS                                   |  6 ++
 2 files changed, 62 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spmi/google,lga-spmi.yaml

diff --git a/Documentation/devicetree/bindings/spmi/google,lga-spmi.yaml b/Documentation/devicetree/bindings/spmi/google,lga-spmi.yaml
new file mode 100644
index 000000000000..60d1e1769cf2
--- /dev/null
+++ b/Documentation/devicetree/bindings/spmi/google,lga-spmi.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spmi/google,lga-spmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Google Tensor G5 (Laguna) SmartDV SPMI Controller
+
+maintainers:
+  - Vamshi Gajjela <vamshigajjela@xxxxxxxxxx>
+
+description:
+  SmartDV Technologies MIPI System Power Management Interface (SPMI) master
+  controller integrated in Google Tensor SoCs starting with the G5 generation
+  (laguna / lga), supporting MIPI SPMI Specification versions 1.0 and 2.0.
+
+allOf:
+  - $ref: spmi.yaml#
+
+properties:
+  compatible:
+    const: google,lga-spmi
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - resets
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/spmi/spmi.h>
+
+    spmi@14853000 {
+        compatible = "google,lga-spmi";
+        reg = <0x14853000 0x100>;
+        clocks = <&spmi_clk>;
+        resets = <&spmi_rst>;
+        #address-cells = <2>;
+        #size-cells = <0>;
+
+        pmic@f {
+            reg = <0xf SPMI_USID>;
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index eaeb60c1e1c2..cd5ae89b4f03 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -25243,6 +25243,12 @@ T:	git https://github.com/cschaufler/smack-next.git
 F:	Documentation/admin-guide/LSM/Smack.rst
 F:	security/smack/
 
+SMARTDV SPMI CONTROLLER DRIVER
+M:	Vamshi Gajjela <vamshigajjela@xxxxxxxxxx>
+L:	linux-kernel@xxxxxxxxxxxxxxx
+S:	Maintained
+F:	Documentation/devicetree/bindings/spmi/google,lga-spmi.yaml
+
 SMBDIRECT (RDMA Stream Transport with Read/Write-Offload, MS-SMBD)
 M:	Steve French <smfrench@xxxxxxxxx>
 M:	Steve French <sfrench@xxxxxxxxx>
-- 
2.56.0.611.g1030f0b940-goog