2022-09-08 15:12:21

by Zong Li

[permalink] [raw]
Subject: [PATCH v3 1/6] dt-bindings: sifive-ccache: change Sifive L2 cache to Composable cache

Since composable cache may be L3 cache if private L2 cache exists, we
should use its original name Composable cache to prevent confusion.

Signed-off-by: Zong Li <[email protected]>
Suggested-by: Conor Dooley <[email protected]>
Suggested-by: Ben Dooks <[email protected]>
Reviewed-by: Conor Dooley <[email protected]>
---
...five-l2-cache.yaml => sifive,ccache0.yaml} | 28 +++++++++++++++----
1 file changed, 23 insertions(+), 5 deletions(-)
rename Documentation/devicetree/bindings/riscv/{sifive-l2-cache.yaml => sifive,ccache0.yaml} (83%)

diff --git a/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml b/Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml
similarity index 83%
rename from Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
rename to Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml
index ca3b9be58058..bf3f07421f7e 100644
--- a/Documentation/devicetree/bindings/riscv/sifive-l2-cache.yaml
+++ b/Documentation/devicetree/bindings/riscv/sifive,ccache0.yaml
@@ -2,18 +2,18 @@
# Copyright (C) 2020 SiFive, Inc.
%YAML 1.2
---
-$id: http://devicetree.org/schemas/riscv/sifive-l2-cache.yaml#
+$id: http://devicetree.org/schemas/riscv/sifive,ccache0.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

-title: SiFive L2 Cache Controller
+title: SiFive Composable Cache Controller

maintainers:
- Sagar Kadam <[email protected]>
- Paul Walmsley <[email protected]>

description:
- The SiFive Level 2 Cache Controller is used to provide access to fast copies
- of memory for masters in a Core Complex. The Level 2 Cache Controller also
+ The SiFive Composable Cache Controller is used to provide access to fast copies
+ of memory for masters in a Core Complex. The Composable Cache Controller also
acts as directory-based coherency manager.
All the properties in ePAPR/DeviceTree specification applies for this platform.

@@ -22,6 +22,7 @@ select:
compatible:
contains:
enum:
+ - sifive,ccache0
- sifive,fu540-c000-ccache
- sifive,fu740-c000-ccache

@@ -33,6 +34,7 @@ properties:
oneOf:
- items:
- enum:
+ - sifive,ccache0
- sifive,fu540-c000-ccache
- sifive,fu740-c000-ccache
- const: cache
@@ -45,7 +47,7 @@ properties:
const: 64

cache-level:
- const: 2
+ enum: [2, 3]

cache-sets:
enum: [1024, 2048]
@@ -115,6 +117,22 @@ allOf:
cache-sets:
const: 1024

+ - if:
+ properties:
+ compatible:
+ contains:
+ const: sifive,ccache0
+
+ then:
+ properties:
+ cache-level:
+ enum: [2, 3]
+
+ else:
+ properties:
+ cache-level:
+ const: 2
+
additionalProperties: false

required:
--
2.17.1