dt-bindings: clock: document Amlogic S4 SoC PLL clock controller

Add the S4 PLL clock controller dt-bindings in the S4 SoC family.

Signed-off-by: Yu Tu <yu.tu@amlogic.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230904075504.23263-2-yu.tu@amlogic.com
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/clock/amlogic,s4-pll-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,s4-pll-clkc.yaml
new file mode 100644
index 000000000000..d8932ec26ca8
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/amlogic,s4-pll-clkc.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2022-2023 Amlogic, Inc. All rights reserved
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/amlogic,s4-pll-clkc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic S4 PLL Clock Controller
+
+maintainers:
+  - Yu Tu <yu.tu@amlogic.com>
+
+properties:
+  compatible:
+    const: amlogic,s4-pll-clkc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: xtal
+
+  "#clock-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - "#clock-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    clkc_pll: clock-controller@fe008000 {
+      compatible = "amlogic,s4-pll-clkc";
+      reg = <0xfe008000 0x1e8>;
+      clocks = <&xtal>;
+      clock-names = "xtal";
+      #clock-cells = <1>;
+    };
+
+...