linux-kernel - [PATCH -fixes v2 2/4] dt-bindings: riscv: Add ratified privileged ISA versions

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Date: Mon, 12 Feb 2024 19:37:33 -0800
From: Samuel Holland <samuel.holland@...ive.com>
To: Palmer Dabbelt <palmer@...belt.com>
Cc: Andrew Jones <ajones@...tanamicro.com>,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Stefan O'Rear <sorear@...tmail.com>,
	Samuel Holland <samuel.holland@...ive.com>
Subject: [PATCH -fixes v2 2/4] dt-bindings: riscv: Add ratified privileged ISA versions

The baseline for the RISC-V privileged ISA is version 1.10. Using
features from newer versions of the privileged ISA requires the
supported version to be reported by platform firmware, either in the ISA
string (where the binding already accepts version numbers) or in the
riscv,isa-extensions property. So far two newer versions are ratified.

Signed-off-by: Samuel Holland <samuel.holland@...ive.com>
---

Changes in v2:
 - New patch for v2

 .../devicetree/bindings/riscv/extensions.yaml | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 63d81dc895e5..7faf22df01af 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -121,6 +121,16 @@ properties:
             version of the privileged ISA specification.
 
         # multi-letter extensions, sorted alphanumerically
+        - const: sm1p11
+          description:
+            The standard Machine ISA v1.11, as ratified in the 20190608
+            version of the privileged ISA specification.
+
+        - const: sm1p12
+          description:
+            The standard Machine ISA v1.12, as ratified in the 20211203
+            version of the privileged ISA specification.
+
         - const: smaia
           description: |
             The standard Smaia supervisor-level extension for the advanced
@@ -134,6 +144,16 @@ properties:
             added by other RISC-V extensions in H/S/VS/U/VU modes and as
             ratified at commit a28bfae (Ratified (#7)) of riscv-state-enable.
 
+        - const: ss1p11
+          description:
+            The standard Supervisor ISA v1.11, as ratified in the 20190608
+            version of the privileged ISA specification.
+
+        - const: ss1p12
+          description:
+            The standard Supervisor ISA v1.12, as ratified in the 20211203
+            version of the privileged ISA specification.
+
         - const: ssaia
           description: |
             The standard Ssaia supervisor-level extension for the advanced
-- 
2.43.0