Commit 6dde29dc authored by Lokesh Vutla's avatar Lokesh Vutla Committed by Marc Zyngier
Browse files

dt-bindings: irqchip: ti, sci-inta: Update docs to support different parent. 



Drop the firmware related interrupt ranges and use the hardware specified
interrupt numbers within Interrupt Aggregator. This ensures interrupt
aggregator DT node need not assume any interrupt parent type.

Signed-off-by: default avatarLokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200806074826.24607-8-lokeshvutla@ti.com
parent a5b659bd

Documentation/devicetree/bindings/interrupt-controller/ti,sci-inta.txt

+9 −9
Original line number Diff line number Diff line
@@ -43,13 +43,14 @@ TISCI Interrupt Aggregator Node: 
- msi-controller:	Identifies the node as an MSI controller.

- interrupt-parent:	phandle of irq parent.

- ti,sci:		Phandle to TI-SCI compatible System controller node.

- ti,sci-dev-id:	TISCI device ID of the Interrupt Aggregator.

- ti,sci-rm-range-vint:	Array of TISCI subtype ids representing vints(inta

			outputs) range within this INTA, assigned to the

			requesting host context.

- ti,sci-rm-range-global-event:	Array of TISCI subtype ids representing the

			global events range reaching this IA and are assigned

			to the requesting host context.

- ti,sci-dev-id:	TISCI device id of interrupt controller.

- ti,interrupt-ranges:	Set of triplets containing ranges that convert

			the INTA output interrupt numbers to parent's

			interrupt number. Each triplet has following entries:

			- First entry specifies the base for vint

			- Second entry specifies the base for parent irqs

			- Third entry specifies the limit





Example:

--------
@@ -61,6 +62,5 @@ main_udmass_inta: interrupt-controller@33d00000 { 
	interrupt-parent = <&main_navss_intr>;

	ti,sci = <&dmsc>;

	ti,sci-dev-id = <179>;

	ti,sci-rm-range-vint = <0x0>;

	ti,sci-rm-range-global-event = <0x1>;

	ti,interrupt-ranges = <0 0 256>;

};

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