Add the Loongson-2 clock binding with DT schema format using
json-schema.
Signed-off-by: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
Change in v9:
1. Add all history changlog information.
Change in v8:
1. NO change, but other patch in this series of patches has
changes.
Change in v7:
1. NO change, but other patch in this series of patches has
changes.
Change in v6:
1. NO change, but other patch in this series of patches has
changes.
Change in v5:
1. NO change, but other patch in this series of patches has
changes.
Change in v4:
1. NO change, but other patch in this series of patches has
changes.
Change in v3:
1. Drop redundant (last) binding from the title.
2. Drop "- |" between ref_100m node and clk node.
Change in v2:
1. Drop "Binding" string in the title.
2. Drop entire allOf and move the contents to top level.
3. Change string "refclk_100m" to "ref_100m".
.../bindings/clock/loongson,ls2k-clk.yaml | 63 +++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 64 insertions(+)
create mode 100644
Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml
diff --git
a/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml
b/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml
new file mode 100644
index 000000000000..63a59015987e
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/loongson,ls2k-clk.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-2 SoC Clock Control Module
+
+maintainers:
+ - Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
+
+description: |
+ Loongson-2 SoC clock control module is an integrated clock
controller, which
+ generates and supplies to all modules.
+
+properties:
+ compatible:
+ enum:
+ - loongson,ls2k-clk
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: 100m ref
+
+ clock-names:
+ items:
+ - const: ref_100m
+
+ '#clock-cells':
+ const: 1
+ description:
+ The clock consumer should specify the desired clock by having
the clock
+ ID in its "clocks" phandle cell. See
include/dt-bindings/clock/loongson,ls2k-clk.h
+ for the full list of Loongson-2 SoC clock IDs.
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ ref_100m: clock-ref-100m {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <100000000>;
+ clock-output-names = "ref_100m";
+ };
+
+ clk: clock-controller@1fe00480 {
+ compatible = "loongson,ls2k-clk";
+ reg = <0x1fe00480 0x58>;
+ #clock-cells = <1>;
+ clocks = <&ref_100m>;
+ clock-names = "ref_100m";
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 8b3d7bb18350..7afaf6d72800 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12022,6 +12022,7 @@ LOONGSON-2 SOC SERIES CLOCK DRIVER
M: Yinbo Zhu <zhuyinbo@xxxxxxxxxxx>
L: linux-clk@xxxxxxxxxxxxxxx
S: Maintained
+F: Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml
F: drivers/clk/clk-loongson2.c
F: include/dt-bindings/clock/loongson,ls2k-clk.h
