linux-kernel - [PATCH RFC 04/20] dt-bindings: riscv: add Sxcsrind ISA extension description

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Message-Id: <20240217005738.3744121-5-atishp@rivosinc.com>
Date: Fri, 16 Feb 2024 16:57:22 -0800
From: Atish Patra <atishp@...osinc.com>
To: linux-kernel@...r.kernel.org
Cc: Atish Patra <atishp@...osinc.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Alexandre Ghiti <alexghiti@...osinc.com>,
	Andrew Jones <ajones@...tanamicro.com>,
	Anup Patel <anup@...infault.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Atish Patra <atishp@...shpatra.org>,
	Christian Brauner <brauner@...nel.org>,
	Clément Léger <cleger@...osinc.com>,
	Conor Dooley <conor@...nel.org>,
	devicetree@...r.kernel.org,
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Subject: [PATCH RFC 04/20] dt-bindings: riscv: add Sxcsrind ISA extension description

Add the S[m|s]csrind ISA extension description.

Signed-off-by: Atish Patra <atishp@...osinc.com>
---
 .../devicetree/bindings/riscv/extensions.yaml      | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 63d81dc895e5..77a9f867e36b 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -134,6 +134,20 @@ 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: smcsrind
+          description: |
+            The standard Smcsrind supervisor-level extension extends the
+	    indirect CSR access mechanism defined by the Smaia extension. This
+	    extension allows other ISA extension to use indirect CSR access
+	    mechanism in M-mode.
+
+	- const: sscsrind
+          description: |
+            The standard Sscsrind supervisor-level extension extends the
+	    indirect CSR access mechanism defined by the Ssaia extension. This
+	    extension allows other ISA extension to use indirect CSR access
+	    mechanism in S-mode.
+
         - const: ssaia
           description: |
             The standard Ssaia supervisor-level extension for the advanced
-- 
2.34.1