linux-kernel - [PATCH V2 1/3] dt-bindings: nvmem: make "reg" property optional

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Date:   Fri, 11 Feb 2022 14:05:52 +0100
From:   Rafał Miłecki <zajec5@...il.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        bcm-kernel-feedback-list@...adcom.com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Rafał Miłecki <rafal@...ecki.pl>,
        Rob Herring <robh@...nel.org>
Subject: [PATCH V2 1/3] dt-bindings: nvmem: make "reg" property optional

From: Rafał Miłecki <rafal@...ecki.pl>

Most NVMEM providers have cells at hardcoded addresses however there are
some exceptions. Some devices store cells layout in internal structs
using custom formats.

It's important to allow NVMEM consumers to still reference such NVMEM
cells. Making "reg" optional allows defining NVMEM cells by their names
only and using them with phandles.

Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
Reviewed-by: Rob Herring <robh@...nel.org>
---
 Documentation/devicetree/bindings/nvmem/nvmem.yaml | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/nvmem/nvmem.yaml b/Documentation/devicetree/bindings/nvmem/nvmem.yaml
index 43ed7e32e5ac..3bb349c634cb 100644
--- a/Documentation/devicetree/bindings/nvmem/nvmem.yaml
+++ b/Documentation/devicetree/bindings/nvmem/nvmem.yaml
@@ -60,9 +60,6 @@ patternProperties:
             description:
               Size in bit within the address range specified by reg.
 
-    required:
-      - reg
-
 additionalProperties: true
 
 examples:
-- 
2.34.1