dt-bindings: timer: Add Ingenic X1000 OST bindings.

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/timer/ingenic,sysost.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Bindings for SYSOST in Ingenic XBurst family SoCs

maintainers:

  - 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>

description:

  The SYSOST in an Ingenic SoC provides one 64bit timer for clocksource

  and one or more 32bit timers for clockevent.

properties:

  "#clock-cells":

    const: 1

  compatible:

    enum:

      - ingenic,x1000-ost

      - ingenic,x2000-ost

  reg:

    maxItems: 1

  clocks:

    maxItems: 1

  clock-names:

    const: ost

  interrupts:

    maxItems: 1

required:

  - "#clock-cells"

  - compatible

  - reg

  - clocks

  - clock-names

  - interrupts

additionalProperties: false

examples:

  - |

    #include <dt-bindings/clock/x1000-cgu.h>

    ost: timer@12000000 {

        compatible = "ingenic,x1000-ost";

        reg = <0x12000000 0x3c>;

        #clock-cells = <1>;

        clocks = <&cgu X1000_CLK_OST>;

        clock-names = "ost";

        interrupt-parent = <&cpuintc>;

        interrupts = <3>;

    };

...

/* SPDX-License-Identifier: GPL-2.0 */

/*

 * This header provides clock numbers for the ingenic,tcu DT binding.

 */

#ifndef __DT_BINDINGS_CLOCK_INGENIC_OST_H__

#define __DT_BINDINGS_CLOCK_INGENIC_OST_H__

#define OST_CLK_PERCPU_TIMER	0

#define OST_CLK_GLOBAL_TIMER	1

#endif /* __DT_BINDINGS_CLOCK_INGENIC_OST_H__ */