[Letux-kernel] [PATCH v5 2/6] Bindings: nvmem: add bindings for JZ4780 efuse

H. Nikolaus Schaller hns at goldelico.com
Sat Feb 22 11:25:37 CET 2020


From: PrasannaKumar Muralidharan <prasannatsmkumar at gmail.com>

This patch brings support for the JZ4780 efuse. Currently it only exposes
a read only access to the entire 8K bits efuse memory.

Tested-by: Mathieu Malaterre <malat at debian.org>
Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar at gmail.com>
Signed-off-by: Mathieu Malaterre <malat at debian.org>
Signed-off-by: H. Nikolaus Schaller <hns at goldelico.com>
[converted to yaml]
Signed-off-by: Andreas Kemnade <andreas at kemnade.info>
---
 .../bindings/nvmem/ingenic,jz4780-efuse.yaml  | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml

diff --git a/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml b/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
new file mode 100644
index 000000000000..09a8ef937750
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/ingenic,jz4780-efuse.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ingenic JZ EFUSE driver bindings
+
+maintainers:
+  - PrasannaKumar Muralidharan <prasannatsmkumar at gmail.com>
+
+allOf:
+  - $ref: "nvmem.yaml#"
+
+properties:
+  compatible:
+    enum:
+      - ingenic,jz4780-efuse
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    # Handle for the ahb for the efuse.
+    maxItems: 1
+
+  clock-names:
+   items:
+     - const:  ahb2
+
+required:
+  - compatible
+  - reg
+  - clock-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/jz4780-cgu.h>
+
+    efuse at 134100d0 {
+        compatible = "ingenic,jz4780-efuse";
+        reg = <0x134100d0 0x2c>;
+
+        clocks = <&cgu JZ4780_CLK_AHB2>;
+        clock-names = "ahb2";
+    };
+
+...
-- 
2.23.0



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