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[v2,11/11] dt-bindings: interrupt-controller: update bindings for supporting more SoCs

Message ID 20201027044619.41879-11-biwen.li@oss.nxp.com
State Changes Requested
Headers show
Series None | expand


Context Check Description
robh/checkpatch success

Commit Message

Biwen Li Oct. 27, 2020, 4:46 a.m. UTC
From: Biwen Li <biwen.li@nxp.com>

Update bindings for Layerscape external irqs,
support more SoCs(LS1043A, LS1046A, LS1088A,
LS208xA, LX216xA)

Signed-off-by: Biwen Li <biwen.li@nxp.com>
Change in v2:
	- update reg property
	- update compatible property

 .../bindings/interrupt-controller/fsl,ls-extirq.txt    | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
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diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.txt b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.txt
index f0ad7801e8cf..0d635c24ef8b 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.txt
@@ -1,6 +1,7 @@ 
 * Freescale Layerscape external IRQs
-Some Layerscape SOCs (LS1021A, LS1043A, LS1046A) support inverting
+Some Layerscape SOCs (LS1021A, LS1043A, LS1046A
+LS1088A, LS208xA, LX216xA) support inverting
 the polarity of certain external interrupt lines.
 The device node must be a child of the node representing the
@@ -8,12 +9,17 @@  Supplemental Configuration Unit (SCFG).
 Required properties:
 - compatible: should be "fsl,<soc-name>-extirq", e.g. "fsl,ls1021a-extirq".
+  "fsl,ls1043a-extirq": for LS1043A, LS1046A. SCFG_INTPCR[31:0] of these SoCs
+  is stored/read as SCFG_INTPCR[0:31] defaultly(bit reverse).
+  "fsl,ls1088a-extirq": for LS1088A, LS208xA, LX216xA.
 - #interrupt-cells: Must be 2. The first element is the index of the
   external interrupt line. The second element is the trigger type.
 - #address-cells: Must be 0.
 - interrupt-controller: Identifies the node as an interrupt controller
 - reg: Specifies the Interrupt Polarity Control Register (INTPCR) in
-  the SCFG.
+  the SCFG or the External Interrupt Control Register (IRQCR) in
+  the ISC.
 - interrupt-map: Specifies the mapping from external interrupts to GIC
 - interrupt-map-mask: Must be <0xffffffff 0>.