[net-next PATCH v11 1/9] dt-bindings: nvmem: Document support for Airoha AN8855 Switch EFUSE

[Christian Marangi <ansuelsmth@gmail.com>]

Document support for Airoha AN8855 Switch EFUSE used to calibrate
internal PHYs and store additional configuration info.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
---
 .../bindings/nvmem/airoha,an8855-efuse.yaml   | 123 ++++++++++++++++++
 MAINTAINERS                                   |   8 ++
 2 files changed, 131 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/nvmem/airoha,an8855-efuse.yaml

diff --git a/Documentation/devicetree/bindings/nvmem/airoha,an8855-efuse.yaml b/Documentation/devicetree/bindings/nvmem/airoha,an8855-efuse.yaml
new file mode 100644
index 000000000000..9802d9ea2176
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/airoha,an8855-efuse.yaml
@@ -0,0 +1,123 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/airoha,an8855-efuse.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Airoha AN8855 Switch EFUSE
+
+maintainers:
+  - Christian Marangi <ansuelsmth@gmail.com>
+
+description:
+  Airoha AN8855 EFUSE used to calibrate internal PHYs and store additional
+  configuration info.
+
+$ref: nvmem.yaml#
+
+properties:
+  compatible:
+    const: airoha,an8855-efuse
+
+  '#nvmem-cell-cells':
+    const: 0
+
+required:
+  - compatible
+  - '#nvmem-cell-cells'
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    efuse {
+        compatible = "airoha,an8855-efuse";
+
+        #nvmem-cell-cells = <0>;
+
+        nvmem-layout {
+            compatible = "fixed-layout";
+            #address-cells = <1>;
+            #size-cells = <1>;
+
+            shift_sel_port0_tx_a: shift-sel-port0-tx-a@c {
+               reg = <0xc 0x4>;
+            };
+
+            shift_sel_port0_tx_b: shift-sel-port0-tx-b@10 {
+                reg = <0x10 0x4>;
+            };
+
+            shift_sel_port0_tx_c: shift-sel-port0-tx-c@14 {
+                reg = <0x14 0x4>;
+            };
+
+            shift_sel_port0_tx_d: shift-sel-port0-tx-d@18 {
+               reg = <0x18 0x4>;
+            };
+
+            shift_sel_port1_tx_a: shift-sel-port1-tx-a@1c {
+               reg = <0x1c 0x4>;
+            };
+
+            shift_sel_port1_tx_b: shift-sel-port1-tx-b@20 {
+               reg = <0x20 0x4>;
+            };
+
+            shift_sel_port1_tx_c: shift-sel-port1-tx-c@24 {
+               reg = <0x24 0x4>;
+            };
+
+            shift_sel_port1_tx_d: shift-sel-port1-tx-d@28 {
+               reg = <0x28 0x4>;
+            };
+
+            shift_sel_port2_tx_a: shift-sel-port2-tx-a@2c {
+                reg = <0x2c 0x4>;
+            };
+
+            shift_sel_port2_tx_b: shift-sel-port2-tx-b@30 {
+                reg = <0x30 0x4>;
+            };
+
+            shift_sel_port2_tx_c: shift-sel-port2-tx-c@34 {
+                reg = <0x34 0x4>;
+            };
+
+            shift_sel_port2_tx_d: shift-sel-port2-tx-d@38 {
+                reg = <0x38 0x4>;
+            };
+
+            shift_sel_port3_tx_a: shift-sel-port3-tx-a@4c {
+                reg = <0x4c 0x4>;
+            };
+
+            shift_sel_port3_tx_b: shift-sel-port3-tx-b@50 {
+                reg = <0x50 0x4>;
+            };
+
+            shift_sel_port3_tx_c: shift-sel-port3-tx-c@54 {
+               reg = <0x54 0x4>;
+            };
+
+            shift_sel_port3_tx_d: shift-sel-port3-tx-d@58 {
+               reg = <0x58 0x4>;
+            };
+
+            shift_sel_port4_tx_a: shift-sel-port4-tx-a@5c {
+                reg = <0x5c 0x4>;
+            };
+
+            shift_sel_port4_tx_b: shift-sel-port4-tx-b@60 {
+                reg = <0x60 0x4>;
+            };
+
+            shift_sel_port4_tx_c: shift-sel-port4-tx-c@64 {
+                reg = <0x64 0x4>;
+            };
+
+            shift_sel_port4_tx_d: shift-sel-port4-tx-d@68 {
+                reg = <0x68 0x4>;
+            };
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 79756f2100e0..53ef66eef473 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -711,6 +711,14 @@ S:	Supported
 F:	fs/aio.c
 F:	include/linux/*aio*.h
 
+AIROHA DSA DRIVER
+M:	Christian Marangi <ansuelsmth@gmail.com>
+L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+L:	linux-mediatek@lists.infradead.org (moderated for non-subscribers)
+L:	netdev@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/nvmem/airoha,an8855-efuse.yaml
+
 AIROHA ETHERNET DRIVER
 M:	Lorenzo Bianconi <lorenzo@kernel.org>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-- 
2.45.2