kernel

linux-6.8.1/Documentation/devicetree/bindings/timer/xlnx,xps-timer.yaml

@@ -0,0 +1,92 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/xlnx,xps-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Xilinx LogiCORE IP AXI Timer
+
+maintainers:
+  - Sean Anderson <sean.anderson@seco.com>
+
+properties:
+  compatible:
+    contains:
+      const: xlnx,xps-timer-1.00.a
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: s_axi_aclk
+
+  interrupts:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+  '#pwm-cells': true
+
+  xlnx,count-width:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [8, 16, 32]
+    default: 32
+    description:
+      The width of the counter(s), in bits.
+
+  xlnx,one-timer-only:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 0, 1 ]
+    description:
+      Whether only one timer is present in this block.
+
+required:
+  - compatible
+  - reg
+  - xlnx,one-timer-only
+
+allOf:
+  - if:
+      required:
+        - '#pwm-cells'
+    then:
+      allOf:
+        - required:
+            - clocks
+        - properties:
+            xlnx,one-timer-only:
+              const: 0
+    else:
+      required:
+        - interrupts
+  - if:
+      required:
+        - clocks
+    then:
+      required:
+        - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    timer@800e0000 {
+        clock-names = "s_axi_aclk";
+        clocks = <&zynqmp_clk 71>;
+        compatible = "xlnx,xps-timer-1.00.a";
+        reg = <0x800e0000 0x10000>;
+        interrupts = <0 39 2>;
+        xlnx,count-width = <16>;
+        xlnx,one-timer-only = <0x0>;
+    };
+
+    timer@800f0000 {
+        #pwm-cells = <0>;
+        clock-names = "s_axi_aclk";
+        clocks = <&zynqmp_clk 71>;
+        compatible = "xlnx,xps-timer-1.00.a";
+        reg = <0x800e0000 0x10000>;
+        xlnx,count-width = <32>;
+        xlnx,one-timer-only = <0x0>;
+    };