[PATCH v6 04/13] dt-bindings: irqchip: ti, sci-intr: Update bindings to drop the usage of gic as parent
Lokesh Vutla
lokeshvutla at ti.com
Thu Aug 6 03:48:17 EDT 2020
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.
Reviewed-by: Rob Herring <robh at kernel.org>
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
.../interrupt-controller/ti,sci-intr.txt | 31 ++++++++++---------
1 file 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 at 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>;
...
};
--
2.27.0
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