Add optional property nvmem-cells and nvmem-cell-names to support
software efuse load, this helps to fix the efuse bit shift issue
on mt8195 etc.
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
v2: add acked-by Rob
---
.../devicetree/bindings/phy/mediatek,tphy.yaml | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
index 9e6c0f43f1c6..05ee274b4b71 100644
--- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
+++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
@@ -160,6 +160,24 @@ patternProperties:
- PHY_TYPE_PCIE
- PHY_TYPE_SATA
+ nvmem-cells:
+ items:
+ - description: internal R efuse for U2 PHY or U3/PCIe PHY
+ - description: rx_imp_sel efuse for U3/PCIe PHY
+ - description: tx_imp_sel efuse for U3/PCIe PHY
+ description: |
+ Phandles to nvmem cell that contains the efuse data;
+ Available only for U2 PHY or U3/PCIe PHY of version 2/3, these
+ three items should be provided at the same time for U3/PCIe PHY,
+ when use software to load efuse;
+ If unspecified, will use hardware auto-load efuse.
+
+ nvmem-cell-names:
+ items:
+ - const: intr
+ - const: rx_imp
+ - const: tx_imp
+
# The following optional vendor properties are only for debug or HQA test
mediatek,eye-src:
description:
--
2.18.0
