[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20220330094532.21721-2-tinghan.shen@mediatek.com>
Date: Wed, 30 Mar 2022 17:45:31 +0800
From: Tinghan Shen <tinghan.shen@...iatek.com>
To: Chaotian Jing <chaotian.jing@...iatek.com>,
Ulf Hansson <ulf.hansson@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Wenbin Mei <wenbin.mei@...iatek.com>
CC: <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<Project_Global_Chrome_Upstream_Group@...iatek.com>,
<ryder.lee@...nel.org>, <wenst@...omium.org>,
<chunfeng.yun@...iatek.com>,
Tinghan Shen <tinghan.shen@...iatek.com>
Subject: [PATCH v13 1/2] dt-bindings: mmc: mtk-sd: increase reg items
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@...iatek.com>
Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>
---
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
+ 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:
--
2.18.0
Powered by blists - more mailing lists