[PATCH v3 05/10] dt-bindings: cache: sifive,ccache0: Add ESWIN EIC7700 SoC compatibility

Pinkesh Vaghela
2025-04-10T15:25:28Z

From: Pritesh Patel <pritesh.patel@einfochips.com>

This cache controller is also used on the ESWIN EIC7700 SoC.
However, it have 256KB private L2 Cache and shared L3 Cache of 4MB.
So add dedicated compatible string for it.

Signed-off-by: Pritesh Patel <pritesh.patel@einfochips.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Signed-off-by: Pinkesh Vaghela <pinkesh.vaghela@einfochips.com>
---
.../bindings/cache/sifive,ccache0.yaml | 44 +++++++++++++++++--
1 file changed, 41 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/cache/sifive,ccache0.yaml b/Documentation/devicetree/bindings/cache/sifive,ccache0.yaml
index 7e8cebe21584..579bacb66f34 100644
--- a/Documentation/devicetree/bindings/cache/sifive,ccache0.yaml
+++ b/Documentation/devicetree/bindings/cache/sifive,ccache0.yaml
@@ -39,6 +39,7 @@ properties:
- const: cache
- items:
- enum:
+ - eswin,eic7700-l3-cache
- starfive,jh7100-ccache
- starfive,jh7110-ccache
- const: sifive,ccache0
@@ -55,10 +56,10 @@ properties:
enum: [2, 3]

cache-sets:
- enum: [1024, 2048]
+ enum: [1024, 2048, 4096]

cache-size:
- const: 2097152
+ enum: [2097152, 4194304]

cache-unified: true

@@ -89,6 +90,7 @@ allOf:
compatible:
contains:
enum:
+ - eswin,eic7700-l3-cache
- sifive,fu740-c000-ccache
- starfive,jh7100-ccache
- starfive,jh7110-ccache
@@ -108,6 +110,22 @@ allOf:
Must contain entries for DirError, DataError and DataFail signals.
maxItems: 3

+ - if:
+ properties:
+ compatible:
+ contains:
+ const: eswin,eic7700-l3-cache
+
+ then:
+ properties:
+ cache-size:
+ const: 4194304
+
+ else:
+ properties:
+ cache-size:
+ const: 2097152
+
- if:
properties:
compatible:
@@ -122,11 +140,31 @@ allOf:
cache-sets:
const: 2048

- else:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - microchip,mpfs-ccache
+ - sifive,fu540-c000-ccache
+
+ then:
properties:
cache-sets:
const: 1024

+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - eswin,eic7700-l3-cache
+
+ then:
+ properties:
+ cache-sets:
+ const: 4096
+
- if:
properties:
compatible:
--
2.25.1