renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2025-01-04 19:54:03 +08:00
Code

dt-bindings: irqchip: ti, sci-intr: Update bindings to drop the usage of gic as parent

Browse Source 
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
This commit is contained in:
Lokesh Vutla 2020-08-06 13:18:17 +05:30 committed by Marc Zyngier
parent 53bf2b0e4e
commit 9a8e2ae71f
1 changed files with 16 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.txt
View File

@ -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>;
...
};