On 12/04/2019 07:24, Lokesh Vutla wrote:
On 11/04/19 8:30 PM, Tony Lindgren wrote:
Hi,
* Lokesh Vutla <lokeshvutla@xxxxxx> [190410 04:15]:
+Example:
+--------
+The following example demonstrates both interrupt router node and the consumer
+node(main gpio) on the AM654 SoC:
+
+main_intr: interrupt-controller0 {
+ compatible = "ti,sci-intr";
+ ti,intr-trigger-type = <1>;
+ interrupt-controller;
+ interrupt-parent = <&gic500>;
+ #interrupt-cells = <3>;
+ ti,sci = <&dmsc>;
+ ti,sci-dst-id = <56>;
+ ti,sci-rm-range-girq = <0x1>;
+};
To me it seems there should not be too many of these interrupt
controller nodes for each SoC. Maybe you're already planning on
doing it, but I suggest that you just add more specific compatibles
and then look up the dst-id from a mapping table in the driver
similar to what patch 04/12 in this series is already doing.
That way you don't need to add custom TI specific (firmware
defined) device tree properties listed above ;)
< snip: I think Lokesh had a bad day or something :) >
Anyways, the reason why we want these as custom properties in the DT is
that there are multiple instances of the routers within one SoC. On
AM65x we have MAIN NAVSS, MCU NAVSS, GPIOs for both etc., if we add
driver data for each of these, it easily explodes quite a bit.
Especially going forward with new SoCs.
-Tero
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