From: Thierry Reding <treding@xxxxxxxxxx>
The Tegra194 memory controller needs a couple more "reg" entries.
Document this properly so that device trees can be validated.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
.../nvidia,tegra186-mc.yaml | 39 ++++++++++++++-----
1 file changed, 29 insertions(+), 10 deletions(-)
diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
index 774b04d0da0d..b04485c5cf5f 100644
--- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
@@ -27,13 +27,15 @@ properties:
pattern: "^memory-controller@[0-9a-f]+$"
compatible:
- items:
- - enum:
- - nvidia,tegra186-mc
- - nvidia,tegra194-mc
+ oneOf:
+ - description: NVIDIA Tegra186 memory controller
+ const: nvidia,tegra186-mc
+ - description: NVIDIA Tegra194 memory controller
+ const: nvidia,tegra194-mc
reg:
- maxItems: 1
+ minItems: 1
+ maxItems: 3
interrupts:
maxItems: 1
@@ -74,12 +76,13 @@ patternProperties:
- nvidia,tegra186-emc
- nvidia,tegra194-emc
- reg:
- maxItems: 1
-
interrupts:
maxItems: 1
+ reg:
+ minItems: 1
+ maxItems: 2
+
clocks:
items:
- description: external memory clock
@@ -107,11 +110,18 @@ allOf:
properties:
compatible:
contains:
- const: nvidia,tegra194-mc
+ anyOf:
+ - const: nvidia,tegra194-mc
then:
properties:
reg:
+ minItems: 3
maxItems: 3
+ else:
+ properties:
+ reg:
+ minItems: 1
+ maxItems: 1
- if:
patternProperties:
@@ -119,13 +129,22 @@ allOf:
properties:
compatible:
contains:
- const: nvidia,tegra194-emc
+ anyOf:
+ - const: nvidia,tegra194-emc
then:
patternProperties:
"^external-memory-controller@[0-9a-f]+$":
properties:
reg:
+ minItems: 2
maxItems: 2
+ else:
+ patternProperties:
+ "^external-memory-controller@[0-9a-f]+$":
+ properties:
+ reg:
+ minItems: 1
+ maxItems: 1
examples:
- |
--
2.24.1
