[PATCH 1/2] dt-bindings: mmc: sdhci-of-aspeed : Add ast2700 support
From: Ryan Chen <ryan_chen@aspeedtech.com>
Date: 2026-03-13 05:28:08
Also in:
linux-arm-kernel, linux-aspeed, linux-mmc, lkml, openbmc
Subsystem:
aspeed sd/mmc driver, multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Jeffery, Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add the "aspeed,ast2700-sd-controller" compatible. The ast2700 sdhci controller requires an reset, so make the "resets" property mandatory for this compatible to reflect the hardware requirement. Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com> --- Documentation/devicetree/bindings/mmc/aspeed,sdhci.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/aspeed,sdhci.yaml b/Documentation/devicetree/bindings/mmc/aspeed,sdhci.yaml
index d24950ccea95..a2ff9a94db13 100644
--- a/Documentation/devicetree/bindings/mmc/aspeed,sdhci.yaml
+++ b/Documentation/devicetree/bindings/mmc/aspeed,sdhci.yaml@@ -26,6 +26,7 @@ properties: - aspeed,ast2400-sd-controller - aspeed,ast2500-sd-controller - aspeed,ast2600-sd-controller + - aspeed,ast2700-sd-controller reg: maxItems: 1 description: Common configuration registers
@@ -37,6 +38,20 @@ properties: clocks: maxItems: 1 description: The SD/SDIO controller clock gate + resets: + maxItems: 1 +if: + properties: + compatible: + contains: + const: aspeed,ast2700-sd-controller +then: + required: + - resets + +else: + properties: + resets: false patternProperties: "^sdhci@[0-9a-f]+$":
@@ -50,6 +65,7 @@ patternProperties: - aspeed,ast2400-sdhci - aspeed,ast2500-sdhci - aspeed,ast2600-sdhci + - aspeed,ast2700-sdhci reg: maxItems: 1 description: The SDHCI registers
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2.34.1