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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/ti,timer-dm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI dual-mode timer
+
+maintainers:
+ - Tony Lindgren <tony@atomide.com>
+
+description: |
+ The TI dual-mode timer is a general purpose timer with PWM capabilities.
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - ti,am335x-timer
+ - ti,am335x-timer-1ms
+ - ti,am654-timer
+ - ti,dm814-timer
+ - ti,dm816-timer
+ - ti,omap2420-timer
+ - ti,omap3430-timer
+ - ti,omap4430-timer
+ - ti,omap5430-timer
+ - items:
+ - const: ti,am4372-timer
+ - const: ti,am335x-timer
+ - items:
+ - const: ti,am4372-timer-1ms
+ - const: ti,am335x-timer-1ms
+
+ reg:
+ items:
+ - description: IO address
+ - description: L3 to L4 mapping for omap4/5 L4 ABE
+ minItems: 1
+
+ clocks:
+ items:
+ - description: Functional clock
+ - description: System clock for omap4/5 and dra7
+ minItems: 1
+
+ clock-names:
+ items:
+ - const: fck
+ - const: timer_sys_ck
+ minItems: 1
+
+ power-domains:
+ description:
+ Power domain if available
+ maxItems: 1
+
+ interrupts:
+ description:
+ Interrupt if available. The timer PWM features may be usable
+ in a limited way even without interrupts.
+ maxItems: 1
+
+ ti,timer-alwon:
+ description:
+ Timer is always enabled when the SoC is powered. Note that some SoCs like
+ am335x can suspend to PM coprocessor RTC only mode and in that case the
+ SoC power is cut including timers.
+ type: boolean
+
+ ti,timer-dsp:
+ description:
+ Timer is routable to the DSP in addition to the operating system.
+ type: boolean
+
+ ti,timer-pwm:
+ description:
+ Timer has been wired for PWM capability.
+ type: boolean
+
+ ti,timer-secure:
+ description:
+ Timer access has been limited to secure mode only.
+ type: boolean
+
+ ti,hwmods:
+ description:
+ Name of the HWMOD associated with timer. This is for legacy
+ omap2/3 platforms only.
+ $ref: /schemas/types.yaml#/definitions/string
+ deprecated: true
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: ti,am654-timer
+ then:
+ required:
+ - power-domains
+ else:
+ required:
+ - interrupts
+
+ - if:
+ not:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - ti,omap3430-timer
+ - ti,omap4430-timer
+ - ti,omap5430-timer
+ then:
+ properties:
+ reg:
+ maxItems: 1
+ clocks:
+ maxItems: 1
+ clock-names:
+ maxItems: 1
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - ti,dm814-timer
+ - ti,dm816-timer
+ - ti,omap2420-timer
+ - ti,omap3430-timer
+ then:
+ properties:
+ ti,hwmods:
+ items:
+ - pattern: "^timer([1-9]|1[0-2])$"
+ else:
+ properties:
+ ti,hwmods: false
+
+examples:
+ - |
+ timer1: timer@0 {
+ compatible = "ti,am335x-timer-1ms";
+ reg = <0x0 0x400>;
+ interrupts = <67>;
+ ti,timer-alwon;
+ clocks = <&timer1_fck>;
+ clock-names = "fck";
+ };
+...