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authorPrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>2020-03-10 16:22:54 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-03-19 09:41:03 +0300
commitaf934656d848426aae7248cbebe786d430704011 (patch)
tree1431e1c0939f6cb3fccc3b3229c6b69e460c4e1b /Documentation/devicetree/bindings/nvmem
parent13d588baed36aa77cf72ac56ae3c0dcf7cf01b26 (diff)
downloadlinux-af934656d848426aae7248cbebe786d430704011.tar.xz
Bindings: nvmem: add bindings for JZ4780 efuse
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@debian.org> Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com> Signed-off-by: Mathieu Malaterre <malat@debian.org> Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> [converted to yaml] Signed-off-by: Andreas Kemnade <andreas@kemnade.info> Reviewed-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20200310132257.23358-12-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/devicetree/bindings/nvmem')
-rw-r--r--Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml45
1 files changed, 45 insertions, 0 deletions
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..1485d3fbabfd
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.yaml
@@ -0,0 +1,45 @@
+# 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@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
+
+required:
+ - compatible
+ - reg
+ - clocks
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/jz4780-cgu.h>
+
+ efuse@134100d0 {
+ compatible = "ingenic,jz4780-efuse";
+ reg = <0x134100d0 0x2c>;
+
+ clocks = <&cgu JZ4780_CLK_AHB2>;
+ };
+
+...