[PATCH v6 5/9] dt-bindings: ARM: document marvell,ecc-enable binding

From: Chris Packham
Date: Fri Nov 09 2018 - 02:04:59 EST


Add documentation for the marvell,ecc-enable and marvell,ecc-disable
properties which can be used to enable/disable ECC on the Marvell aurora
cache.

Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
---

Notes:
Changes in v6:
- new (split binding doc from implementation).

Documentation/devicetree/bindings/arm/l2c2x0.txt | 2 ++
1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/l2c2x0.txt b/Documentation/devicetree/bindings/arm/l2c2x0.txt
index fbe6cb21f4cf..15a84f0ba9f1 100644
--- a/Documentation/devicetree/bindings/arm/l2c2x0.txt
+++ b/Documentation/devicetree/bindings/arm/l2c2x0.txt
@@ -76,6 +76,8 @@ Optional properties:
specified to indicate that such transforms are precluded.
- arm,parity-enable : enable parity checking on the L2 cache (L220 or PL310).
- arm,parity-disable : disable parity checking on the L2 cache (L220 or PL310).
+- marvell,ecc-enable : enable ECC protection on the L2 cache
+- marvell,ecc-disable : disable ECC protection on the L2 cache
- arm,outer-sync-disable : disable the outer sync operation on the L2 cache.
Some core tiles, especially ARM PB11MPCore have a faulty L220 cache that
will randomly hang unless outer sync operations are disabled.
--
2.19.1