On 30/03/2022 11:45, Tinghan Shen wrote:
MediaTek has a new version of mmc IP since mt8183. Some IO registers
are moved to top to improve hardware design and named as "host top
registers".
Add host top register in the reg binding description for mt8183 and
successors.
Signed-off-by: Wenbin Mei <wenbin.mei@xxxxxxxxxxxx>
Signed-off-by: Tinghan Shen <tinghan.shen@xxxxxxxxxxxx>
---
Documentation/devicetree/bindings/mmc/mtk-sd.yaml | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
index 297ada03e3de..2a2e9fa8c188 100644
--- a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
+++ b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
@@ -40,7 +40,10 @@ properties:
- const: mediatek,mt8183-mmc
reg:
- maxItems: 1
+ minItems: 1
From my understanding adding minItems is correct, but you need to add also
maxItems: 2 as there can't be more then two register entries.
Regards,
Matthias
+ items:
+ - description: base register (required).
+ - description: top base register (required for MT8183).
clocks:
description:
@@ -168,6 +171,16 @@ required:
- vmmc-supply
- vqmmc-supply
+if:
+ properties:
+ compatible:
+ contains:
+ const: mediatek,mt8183-mmc
+then:
+ properties:
+ reg:
+ minItems: 2
+
unevaluatedProperties: false
examples:
