dt-bindings: timer: Convert ingenic,tcu.txt to YAML
Convert the ingenic,tcu.txt file to YAML. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Paul Cercueil
Rob Herring
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4d8d217762
Коммит
49ac0c7cfe
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Ingenic JZ47xx SoCs Timer/Counter Unit devicetree bindings
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==========================================================
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For a description of the TCU hardware and drivers, have a look at
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Documentation/mips/ingenic-tcu.rst.
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Required properties:
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- compatible: Must be one of:
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* ingenic,jz4740-tcu
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* ingenic,jz4725b-tcu
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* ingenic,jz4770-tcu
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* ingenic,x1000-tcu
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followed by "simple-mfd".
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- reg: Should be the offset/length value corresponding to the TCU registers
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- clocks: List of phandle & clock specifiers for clocks external to the TCU.
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The "pclk", "rtc" and "ext" clocks should be provided. The "tcu" clock
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should be provided if the SoC has it.
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- clock-names: List of name strings for the external clocks.
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- #clock-cells: Should be <1>;
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Clock consumers specify this argument to identify a clock. The valid values
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may be found in <dt-bindings/clock/ingenic,tcu.h>.
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- interrupt-controller : Identifies the node as an interrupt controller
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- #interrupt-cells : Specifies the number of cells needed to encode an
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interrupt source. The value should be 1.
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- interrupts : Specifies the interrupt the controller is connected to.
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Optional properties:
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- ingenic,pwm-channels-mask: Bitmask of TCU channels reserved for PWM use.
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Default value is 0xfc.
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Children nodes
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==========================================================
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PWM node:
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---------
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Required properties:
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- compatible: Must be one of:
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* ingenic,jz4740-pwm
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* ingenic,jz4725b-pwm
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- #pwm-cells: Should be 3. See ../pwm/pwm.yaml for a description of the cell
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format.
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- clocks: List of phandle & clock specifiers for the TCU clocks.
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- clock-names: List of name strings for the TCU clocks.
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Watchdog node:
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--------------
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Required properties:
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- compatible: Must be "ingenic,jz4740-watchdog"
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- clocks: phandle to the WDT clock
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- clock-names: should be "wdt"
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OS Timer node:
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---------
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Required properties:
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- compatible: Must be one of:
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* ingenic,jz4725b-ost
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* ingenic,jz4770-ost
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- clocks: phandle to the OST clock
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- clock-names: should be "ost"
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- interrupts : Specifies the interrupt the OST is connected to.
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Example
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==========================================================
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#include <dt-bindings/clock/jz4770-cgu.h>
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#include <dt-bindings/clock/ingenic,tcu.h>
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/ {
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tcu: timer@10002000 {
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compatible = "ingenic,jz4770-tcu", "simple-mfd";
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reg = <0x10002000 0x1000>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x0 0x10002000 0x1000>;
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#clock-cells = <1>;
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clocks = <&cgu JZ4770_CLK_RTC
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&cgu JZ4770_CLK_EXT
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&cgu JZ4770_CLK_PCLK>;
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clock-names = "rtc", "ext", "pclk";
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interrupt-controller;
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#interrupt-cells = <1>;
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interrupt-parent = <&intc>;
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interrupts = <27 26 25>;
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watchdog: watchdog@0 {
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compatible = "ingenic,jz4740-watchdog";
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reg = <0x0 0xc>;
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clocks = <&tcu TCU_CLK_WDT>;
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clock-names = "wdt";
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};
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pwm: pwm@40 {
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compatible = "ingenic,jz4740-pwm";
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reg = <0x40 0x80>;
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#pwm-cells = <3>;
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clocks = <&tcu TCU_CLK_TIMER0
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&tcu TCU_CLK_TIMER1
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&tcu TCU_CLK_TIMER2
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&tcu TCU_CLK_TIMER3
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&tcu TCU_CLK_TIMER4
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&tcu TCU_CLK_TIMER5
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&tcu TCU_CLK_TIMER6
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&tcu TCU_CLK_TIMER7>;
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clock-names = "timer0", "timer1", "timer2", "timer3",
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"timer4", "timer5", "timer6", "timer7";
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};
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ost: timer@e0 {
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compatible = "ingenic,jz4770-ost";
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reg = <0xe0 0x20>;
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clocks = <&tcu TCU_CLK_OST>;
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clock-names = "ost";
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interrupts = <15>;
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};
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};
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};
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@ -0,0 +1,281 @@
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/timer/ingenic,tcu.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Ingenic SoCs Timer/Counter Unit (TCU) devicetree bindings
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description: |
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For a description of the TCU hardware and drivers, have a look at
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Documentation/mips/ingenic-tcu.rst.
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maintainers:
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- Paul Cercueil <paul@crapouillou.net>
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select:
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properties:
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compatible:
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contains:
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enum:
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- ingenic,jz4740-tcu
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- ingenic,jz4725b-tcu
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- ingenic,jz4770-tcu
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- ingenic,jz4780-tcu
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- ingenic,x1000-tcu
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required:
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- compatible
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properties:
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$nodename:
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pattern: "^timer@[0-9a-f]+$"
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"#address-cells":
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const: 1
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"#size-cells":
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const: 1
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"#clock-cells":
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const: 1
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"#interrupt-cells":
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const: 1
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interrupt-controller: true
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ranges: true
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compatible:
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oneOf:
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- items:
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- enum:
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- ingenic,jz4740-tcu
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- ingenic,jz4725b-tcu
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- ingenic,jz4770-tcu
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- ingenic,x1000-tcu
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- const: simple-mfd
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- items:
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- const: ingenic,jz4780-tcu
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- const: ingenic,jz4770-tcu
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- const: simple-mfd
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reg:
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maxItems: 1
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clocks:
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items:
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- description: RTC clock
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- description: EXT clock
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- description: PCLK clock
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- description: TCU clock
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minItems: 3
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clock-names:
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items:
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- const: rtc
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- const: ext
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- const: pclk
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- const: tcu
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minItems: 3
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interrupts:
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items:
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- description: TCU0 interrupt
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- description: TCU1 interrupt
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- description: TCU2 interrupt
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minItems: 1
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assigned-clocks:
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minItems: 1
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maxItems: 8
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assigned-clock-parents:
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minItems: 1
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maxItems: 8
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assigned-clock-rates:
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minItems: 1
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maxItems: 8
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ingenic,pwm-channels-mask:
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description: Bitmask of TCU channels reserved for PWM use.
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allOf:
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- $ref: /schemas/types.yaml#/definitions/uint32
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- minimum: 0x00
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- maximum: 0xff
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- default: 0xfc
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patternProperties:
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"^watchdog@[a-f0-9]+$":
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type: object
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allOf: [ $ref: ../watchdog/watchdog.yaml# ]
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properties:
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compatible:
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oneOf:
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- enum:
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- ingenic,jz4740-watchdog
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- ingenic,jz4780-watchdog
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- items:
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- const: ingenic,jz4770-watchdog
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- const: ingenic,jz4740-watchdog
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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const: wdt
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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"^pwm@[a-f0-9]+$":
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type: object
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allOf: [ $ref: ../pwm/pwm.yaml# ]
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properties:
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compatible:
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oneOf:
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- enum:
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- ingenic,jz4740-pwm
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- items:
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- enum:
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- ingenic,jz4770-pwm
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- ingenic,jz4780-pwm
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- const: ingenic,jz4740-pwm
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reg:
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maxItems: 1
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clocks:
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minItems: 6
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maxItems: 8
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clock-names:
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items:
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- const: timer0
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- const: timer1
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- const: timer2
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- const: timer3
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- const: timer4
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- const: timer5
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- const: timer6
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- const: timer7
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minItems: 6
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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"^timer@[a-f0-9]+$":
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type: object
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properties:
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compatible:
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oneOf:
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- enum:
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- ingenic,jz4725b-ost
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- ingenic,jz4770-ost
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- items:
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- const: ingenic,jz4780-ost
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- const: ingenic,jz4770-ost
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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const: ost
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interrupts:
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maxItems: 1
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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- interrupts
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additionalProperties: false
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required:
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- "#clock-cells"
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- "#interrupt-cells"
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- interrupt-controller
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- compatible
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- reg
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- clocks
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- clock-names
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- interrupts
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/jz4770-cgu.h>
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#include <dt-bindings/clock/ingenic,tcu.h>
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tcu: timer@10002000 {
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compatible = "ingenic,jz4770-tcu", "simple-mfd";
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reg = <0x10002000 0x1000>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x0 0x10002000 0x1000>;
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#clock-cells = <1>;
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clocks = <&cgu JZ4770_CLK_RTC>,
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<&cgu JZ4770_CLK_EXT>,
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<&cgu JZ4770_CLK_PCLK>;
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clock-names = "rtc", "ext", "pclk";
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interrupt-controller;
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#interrupt-cells = <1>;
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interrupt-parent = <&intc>;
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interrupts = <27 26 25>;
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watchdog: watchdog@0 {
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compatible = "ingenic,jz4770-watchdog", "ingenic,jz4740-watchdog";
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reg = <0x0 0xc>;
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clocks = <&tcu TCU_CLK_WDT>;
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clock-names = "wdt";
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};
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pwm: pwm@40 {
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compatible = "ingenic,jz4770-pwm", "ingenic,jz4740-pwm";
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reg = <0x40 0x80>;
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#pwm-cells = <3>;
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clocks = <&tcu TCU_CLK_TIMER0>,
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<&tcu TCU_CLK_TIMER1>,
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<&tcu TCU_CLK_TIMER2>,
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<&tcu TCU_CLK_TIMER3>,
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<&tcu TCU_CLK_TIMER4>,
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<&tcu TCU_CLK_TIMER5>,
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<&tcu TCU_CLK_TIMER6>,
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<&tcu TCU_CLK_TIMER7>;
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clock-names = "timer0", "timer1", "timer2", "timer3",
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"timer4", "timer5", "timer6", "timer7";
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};
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ost: timer@e0 {
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compatible = "ingenic,jz4770-ost";
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reg = <0xe0 0x20>;
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clocks = <&tcu TCU_CLK_OST>;
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clock-names = "ost";
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interrupts = <15>;
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};
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};
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