Message ID | 20230124025936.3256213-1-robh@kernel.org |
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State | New |
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[66.90.144.107]) by smtp.gmail.com with ESMTPSA id j5-20020a4ad185000000b004a8eb1d8f1bsm296067oor.39.2023.01.23.18.59.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Jan 2023 18:59:47 -0800 (PST) Received: (nullmailer pid 3256463 invoked by uid 1000); Tue, 24 Jan 2023 02:59:46 -0000 From: Rob Herring <robh@kernel.org> To: Johan Jonker <jbx6244@gmail.com>, Thinh Nguyen <Thinh.Nguyen@synopsys.com>, Heiko Stuebner <heiko@sntech.de>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Felipe Balbi <balbi@kernel.org> Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/2] dt-bindings: usb: snps,dwc3: Allow power-domains property Date: Mon, 23 Jan 2023 20:59:35 -0600 Message-Id: <20230124025936.3256213-1-robh@kernel.org> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.2 required=5.0 tests=BAYES_00, FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS autolearn=no 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: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1755871499667884236?= X-GMAIL-MSGID: =?utf-8?q?1755871499667884236?= |
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[v3,1/2] dt-bindings: usb: snps,dwc3: Allow power-domains property
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Commit Message
Rob Herring
Jan. 24, 2023, 2:59 a.m. UTC
The Rockchip RK3399 DWC3 node has 'power-domains' property which isn't allowed by the schema: usb@fe900000: Unevaluated properties are not allowed ('power-domains' was unexpected) Allow DWC3 nodes to have a power-domains entry. We could instead move the power-domains property to the parent wrapper node, but the could be an ABI break (Linux shouldn't care). Also, we don't want to encourage the pattern of wrapper nodes just to define resources such as clocks, resets, power-domains, etc. when not necessary. Reviewed-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Signed-off-by: Rob Herring <robh@kernel.org> --- v3: - No change v2: - Allow 2 power domains and explain what they are --- Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml index 6d78048c4613..be36956af53b 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml @@ -91,6 +91,16 @@ properties: - usb2-phy - usb3-phy + power-domains: + description: + The DWC3 has 2 power-domains. The power management unit (PMU) and + everything else. The PMU is typically always powered and may not have an + entry. + minItems: 1 + items: + - description: Core + - description: Power management unit + resets: minItems: 1