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| author | Lokesh Vutla <lokeshvutla@ti.com> | 2020-08-06 09:48:17 +0200 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-08-16 23:00:23 +0200 |
| commit | 9a8e2ae71f3553f1b6cd4e3681f04e5d0f147387 (patch) | |
| tree | b9be43fe7769b43eaeca591205c16241f30410e6 /Documentation | |
| parent | firmware: ti_sci: Add support for getting resource with subtype (diff) | |
| download | linux-9a8e2ae71f3553f1b6cd4e3681f04e5d0f147387.tar.xz linux-9a8e2ae71f3553f1b6cd4e3681f04e5d0f147387.zip | |
dt-bindings: irqchip: ti, sci-intr: Update bindings to drop the usage of gic as parent
Drop the firmware related dt-bindings and use the hardware specified
interrupt numbers within Interrupt Router. This ensures interrupt router
DT node need not assume any interrupt parent type.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200806074826.24607-5-lokeshvutla@ti.com
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.txt | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.txt b/Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.txt index 178fca08278f..c7046f3da201 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.txt @@ -44,15 +44,17 @@ Required Properties: 4: If intr supports level triggered interrupts. - interrupt-controller: Identifies the node as an interrupt controller - #interrupt-cells: Specifies the number of cells needed to encode an - interrupt source. The value should be 2. - First cell should contain the TISCI device ID of source - Second cell should contain the interrupt source offset - within the device. + interrupt source. The value should be 1. + First cell should contain interrupt router input number + as specified by hardware. - ti,sci: Phandle to TI-SCI compatible System controller node. -- ti,sci-dst-id: TISCI device ID of the destination IRQ controller. -- ti,sci-rm-range-girq: Array of TISCI subtype ids representing the host irqs - assigned to this interrupt router. Each subtype id - corresponds to a range of host irqs. +- ti,sci-dev-id: TISCI device id of interrupt controller. +- ti,interrupt-ranges: Set of triplets containing ranges that convert + the INTR output interrupt numbers to parent's + interrupt number. Each triplet has following entries: + - First entry specifies the base for intr output irq + - Second entry specifies the base for parent irqs + - Third entry specifies the limit For more details on TISCI IRQ resource management refer: https://downloads.ti.com/tisci/esd/latest/2_tisci_msgs/rm/rm_irq.html @@ -62,21 +64,20 @@ Example: The following example demonstrates both interrupt router node and the consumer node(main gpio) on the AM654 SoC: -main_intr: interrupt-controller0 { +main_gpio_intr: interrupt-controller0 { compatible = "ti,sci-intr"; ti,intr-trigger-type = <1>; interrupt-controller; interrupt-parent = <&gic500>; - #interrupt-cells = <2>; + #interrupt-cells = <1>; ti,sci = <&dmsc>; - ti,sci-dst-id = <56>; - ti,sci-rm-range-girq = <0x1>; + ti,sci-dev-id = <131>; + ti,interrupt-ranges = <0 360 32>; }; main_gpio0: gpio@600000 { ... - interrupt-parent = <&main_intr>; - interrupts = <57 256>, <57 257>, <57 258>, - <57 259>, <57 260>, <57 261>; + interrupt-parent = <&main_gpio_intr>; + interrupts = <192>, <193>, <194>, <195>, <196>, <197>; ... }; |