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[78.94.0.51]) by smtp.gmail.com with ESMTPSA id u3-20020a7bcb03000000b003f16f3cc9fcsm2825651wmj.9.2023.04.20.12.24.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Apr 2023 12:24:30 -0700 (PDT) From: Naresh Solanki X-Google-Original-From: Naresh Solanki To: zev@bewilderbeest.net, Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski Cc: Naresh Solanki , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 1/2] dt-bindings: regulator: Add support for multiple supplies Date: Thu, 20 Apr 2023 21:24:01 +0200 Message-Id: <20230420192402.3695265-1-Naresh.Solanki@9elements.com> X-Mailer: git-send-email 2.39.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1763726243770273911?= X-GMAIL-MSGID: =?utf-8?q?1763726243770273911?= Add optional DT property 'regulator-supplies' to handle connectors with multiple supplies. If this property is present, it will determine all regulator supplies. Otherwise, the 'vout' supply will be used as a fallback. This change improves support for connector like PCIe connectors on mainboards that can be powered by 12V and 3.3V supplies. Signed-off-by: Naresh Solanki ... Change in V2: - Added example - Update property type & description. - Improve commit message --- .../bindings/regulator/regulator-output.yaml | 21 ++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) base-commit: 43c75e470e5b56a992acb08474810e6822f0989c diff --git a/Documentation/devicetree/bindings/regulator/regulator-output.yaml b/Documentation/devicetree/bindings/regulator/regulator-output.yaml index 078b37a1a71a..a9dce26991ff 100644 --- a/Documentation/devicetree/bindings/regulator/regulator-output.yaml +++ b/Documentation/devicetree/bindings/regulator/regulator-output.yaml @@ -21,13 +21,22 @@ properties: compatible: const: regulator-output - vout-supply: + regulator-supplies: + $ref: /schemas/types.yaml#/definitions/string-array description: - Phandle of the regulator supplying the output. + Optional property that specifies supply names provided by + the regulator. Defaults to "vout" if not specified. The + array contains a list of supply names. + Each supply name corresponds to a phandle in the + patternProperties. + +patternProperties: + ".*-supply": + description: + Specifies the phandle for various supplies required: - compatible - - vout-supply additionalProperties: false @@ -37,3 +46,9 @@ examples: compatible = "regulator-output"; vout-supply = <&output_reg>; }; + out2 { + compatible = "regulator-output"; + regulator-supplies = "sw0", "sw1"; + sw0-supply = <&out2_sw0>; + sw1-supply = <&out2_sw1>; + };