From cb69daf085b5974fef2df9789f8c1b35e78e7913 Mon Sep 17 00:00:00 2001 From: Nick Hu Date: Fri, 1 Aug 2025 15:01:12 +0800 Subject: [PATCH] dt-bindings: riscv: Add SiFive vendor extensions description Add description for SiFive vendor extensions "xsfcflushdlone", "xsfpgflushdlone" and "xsfcease". This is used in the SBI implementation [1]. Link: https://lore.kernel.org/opensbi/20250708074940.10904-1-nick.hu@sifive.com/ [1] Signed-off-by: Nick Hu Acked-by: Conor Dooley Signed-off-by: Conor Dooley --- .../devicetree/bindings/riscv/extensions.yaml | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml index ede6a58ccf534..5638297759dff 100644 --- a/Documentation/devicetree/bindings/riscv/extensions.yaml +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml @@ -663,6 +663,24 @@ properties: https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf # SiFive + - const: xsfcease + description: + SiFive CEASE Instruction Extensions Specification. + See more details in + https://www.sifive.com/document-file/freedom-u740-c000-manual + + - const: xsfcflushdlone + description: + SiFive L1D Cache Flush Instruction Extensions Specification. + See more details in + https://www.sifive.com/document-file/freedom-u740-c000-manual + + - const: xsfpgflushdlone + description: + SiFive PGFLUSH Instruction Extensions for the power management. The + CPU will flush the L1D and enter the cease state after executing + the instruction. + - const: xsfvqmaccdod description: SiFive Int8 Matrix Multiplication Extensions Specification. -- 2.47.3