linux-kernel - [PATCH RFC 08/20] dt-bindings: riscv: add Ssccfg ISA extension description

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Date: Fri, 16 Feb 2024 16:57:26 -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,
	Evan Green <evan@...osinc.com>,
	Guo Ren <guoren@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
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	Yang Jihong <yangjihong1@...wei.com>
Subject: [PATCH RFC 08/20] dt-bindings: riscv: add Ssccfg ISA extension description

Add description for the Ssccfg extension.

Signed-off-by: Atish Patra <atishp@...osinc.com>
---
 .../devicetree/bindings/riscv/extensions.yaml       | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 77a9f867e36b..15adeb60441b 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -128,6 +128,13 @@ properties:
             changes to interrupts as frozen at commit ccbddab ("Merge pull
             request #42 from riscv/jhauser-2023-RC4") of riscv-aia.
 
+	- const: smcdeleg
+	  description: |
+	    The standard Smcdeleg supervisor-level extension for the machine mode
+	    to delegate the hpmcounters to supvervisor mode so that they are
+	    directlyi accessible in the supervisor mode. This extension depend
+	    on Sscsrind, Zihpm, Zicntr extensions.
+
         - const: smstateen
           description: |
             The standard Smstateen extension for controlling access to CSRs
@@ -154,6 +161,12 @@ properties:
             interrupt architecture for supervisor-mode-visible csr and
             behavioural changes to interrupts as frozen at commit ccbddab
             ("Merge pull request #42 from riscv/jhauser-2023-RC4") of riscv-aia.
+	- const: ssccfg
+	  description: |
+	    The standard Ssccfg supervisor-level extension for configuring
+            the delegated hpmcounters to be accessible directly in supervisor
+            mode. This extension depend on Sscsrind, Smcdeleg, Zihpm, Zicntr
+            extensions.
 
         - const: sscofpmf
           description: |
-- 
2.34.1