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Diffstat (limited to 'Documentation/devicetree/bindings/timer/fsl,gtm.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/timer/fsl,gtm.yaml | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/timer/fsl,gtm.yaml b/Documentation/devicetree/bindings/timer/fsl,gtm.yaml new file mode 100644 index 000000000000..1f35f1ee0be2 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/fsl,gtm.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/fsl,gtm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale General-purpose Timers Module + +maintainers: + - J. Neuschäfer <j.ne@posteo.net> + +properties: + compatible: + oneOf: + # for SoC GTMs + - items: + - enum: + - fsl,mpc8308-gtm + - fsl,mpc8313-gtm + - fsl,mpc8315-gtm + - fsl,mpc8360-gtm + - const: fsl,gtm + + # for QE GTMs + - items: + - enum: + - fsl,mpc8360-qe-gtm + - fsl,mpc8569-qe-gtm + - const: fsl,qe-gtm + - const: fsl,gtm + + # for CPM2 GTMs (no known examples) + - items: + # - enum: + # - fsl,<chip>-cpm2-gtm + - const: fsl,cpm2-gtm + - const: fsl,gtm + + reg: + maxItems: 1 + + interrupts: + items: + - description: Interrupt for timer 1 (e.g. GTM1 or GTM5) + - description: Interrupt for timer 2 (e.g. GTM2 or GTM6) + - description: Interrupt for timer 3 (e.g. GTM3 or GTM7) + - description: Interrupt for timer 4 (e.g. GTM4 or GTM8) + + clock-frequency: true + +required: + - compatible + - reg + - interrupts + - clock-frequency + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + timer@500 { + compatible = "fsl,mpc8360-gtm", "fsl,gtm"; + reg = <0x500 0x40>; + interrupts = <90 IRQ_TYPE_LEVEL_LOW>, + <78 IRQ_TYPE_LEVEL_LOW>, + <84 IRQ_TYPE_LEVEL_LOW>, + <72 IRQ_TYPE_LEVEL_LOW>; + /* filled by u-boot */ + clock-frequency = <0>; + }; + + - | + timer@440 { + compatible = "fsl,mpc8360-qe-gtm", "fsl,qe-gtm", "fsl,gtm"; + reg = <0x440 0x40>; + interrupts = <12>, <13>, <14>, <15>; + /* filled by u-boot */ + clock-frequency = <0>; + }; + +... |