linux-kernel - [PATCH 1/4] dt-bindings: memory: additional compatible strings for Broadcom DPFE

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Message-ID: <20231205184741.3092376-2-mmayer@broadcom.com>
Date:   Tue,  5 Dec 2023 10:47:34 -0800
From:   Markus Mayer <mmayer@...adcom.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Florian Fainelli <florian.fainelli@...adcom.com>,
        Rob Herring <robh+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Markus Mayer <mmayer@...adcom.com>,
        Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
        Device Tree Mailing List <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/4] dt-bindings: memory: additional compatible strings for Broadcom DPFE

Add versioned compatible strings for Broadcom DPFE. These take the form
brcm,dpfe-cpu-v<N> where <N> is a number from 1 to 4.

These API version related compatible strings are more specific than the
catch-all "brcm,dpfe-cpu" and more generic than chip-specific compatible
strings.

Signed-off-by: Markus Mayer <mmayer@...adcom.com>
---
 .../bindings/memory-controllers/brcm,dpfe-cpu.yaml        | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/memory-controllers/brcm,dpfe-cpu.yaml b/Documentation/devicetree/bindings/memory-controllers/brcm,dpfe-cpu.yaml
index 08cbdcddfead..6dffa7b62baf 100644
--- a/Documentation/devicetree/bindings/memory-controllers/brcm,dpfe-cpu.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/brcm,dpfe-cpu.yaml
@@ -16,6 +16,11 @@ properties:
       - enum:
           - brcm,bcm7271-dpfe-cpu
           - brcm,bcm7268-dpfe-cpu
+      - enum:
+          - brcm,dpfe-cpu-v1
+          - brcm,dpfe-cpu-v2
+          - brcm,dpfe-cpu-v3
+          - brcm,dpfe-cpu-v4
       - const: brcm,dpfe-cpu
 
   reg:
@@ -40,7 +45,8 @@ additionalProperties: false
 examples:
   - |
     dpfe-cpu@...32000 {
-        compatible = "brcm,bcm7271-dpfe-cpu", "brcm,dpfe-cpu";
+        compatible = "brcm,bcm7271-dpfe-cpu", "brcm,dpfe-cpu-v1",
+              "brcm,dpfe-cpu";
         reg = <0xf1132000 0x180>,
               <0xf1134000 0x1000>,
               <0xf1138000 0x4000>;
-- 
2.43.0