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| author | Sarthak Garg <quic_sartgarg@quicinc.com> | 2025-09-08 16:11:20 +0530 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2025-09-12 14:42:37 +0200 |
| commit | 98682689a1a443067e1981d9eed8c6ddcef8cdf3 (patch) | |
| tree | 72912ac48cfcf25d3931172f6660619688df6484 | |
| parent | 08b68ca543ee9d5a8d2dc406165e4887dd8f170b (diff) | |
dt-bindings: mmc: controller: Add max-sd-hs-hz property
Introduce a new optional device tree property max-sd-hs-hz to
limit the maximum frequency (in Hz) used for SD cards operating in
High-Speed (HS) mode due to any board electrical limitations.
Signed-off-by: Sarthak Garg <quic_sartgarg@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/mmc-controller-common.yaml | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller-common.yaml b/Documentation/devicetree/bindings/mmc/mmc-controller-common.yaml index 9a7235439759..7414d5522dfe 100644 --- a/Documentation/devicetree/bindings/mmc/mmc-controller-common.yaml +++ b/Documentation/devicetree/bindings/mmc/mmc-controller-common.yaml @@ -93,6 +93,14 @@ properties: minimum: 400000 maximum: 384000000 + max-sd-hs-hz: + description: | + Maximum frequency (in Hz) to be used for SD cards operating in + High-Speed (HS) mode. + minimum: 400000 + maximum: 50000000 + default: 50000000 + disable-wp: $ref: /schemas/types.yaml#/definitions/flag description: |