[PATCH 1/3] dt-bindings: pinctrl: Add rk3576 dw-mshc bindings

Detlev Casanova
2024-08-02T15:36:17Z

Add the compatible string for rockchip,rk3576-dw-mshc and add support
for the rockchip,use-v2-tuning flag, a new feature of this core.

Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
---
.../devicetree/bindings/mmc/rockchip-dw-mshc.yaml | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.yaml b/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.yaml
index 211cd0b0bc5f3..dd8d1e773bb38 100644
--- a/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.yaml
+++ b/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.yaml
@@ -39,6 +39,7 @@ properties:
- rockchip,rk3368-dw-mshc
- rockchip,rk3399-dw-mshc
- rockchip,rk3568-dw-mshc
+ - rockchip,rk3576-dw-mshc
- rockchip,rk3588-dw-mshc
- rockchip,rv1108-dw-mshc
- rockchip,rv1126-dw-mshc
@@ -95,6 +96,16 @@ properties:
If not specified, the host will do tuning for 360 times,
namely tuning for each degree.

+ rockchip,use-v2-tuning:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ If present, use tuning version 2.
+ v2 tuning will inherit pre-stage loader's phase settings for the first
+ time, and do re-tune if necessary.
+ Re-tune will still try the rough degrees, for instance, 90, 180, 270,
+ 360 but continue to do the fine tuning if sample window isn't good
+ enough.
+
required:
- compatible
- reg
--
2.46.0