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charset="utf-8" Add optional nvmem-cells and nvmem-cell-names properties to support reading silicon revision information from alternate location using NVMEM providers. This is used on AM62P to read GP_SW1 register for accurate silicon revision detection. Signed-off-by: Judith Mendez Reviewed-by: Krzysztof Kozlowski --- Changes since v1: - no change --- .../devicetree/bindings/hwinfo/ti,k3-socinfo.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml b/= Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml index dada28b47ea07..58cc937e13351 100644 --- a/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml +++ b/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml @@ -15,6 +15,9 @@ description: | represented by CTRLMMR_xxx_JTAGID register which contains information ab= out SoC id and revision. =20 + On some SoCs like AM62P, the silicon revision is determined by reading + alternative registers via NVMEM cells. + properties: $nodename: pattern: "^chipid@[0-9a-f]+$" @@ -26,6 +29,15 @@ properties: reg: maxItems: 1 =20 + nvmem-cells: + maxItems: 1 + description: + Reference to NVMEM node containing revision information. + + nvmem-cell-names: + items: + - const: gpsw1 + required: - compatible - reg --=20 2.52.0