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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Liam Girdwood , Mark Brown , Michael Walle , =?utf-8?Q?Uwe_Kleine-K=C3=B6nig?= , Jeremy Kerr , Raymond Hackley , netdev@vger.kernel.org, devicetree@vger.kernel.org Subject: [RESEND PATCH v3 1/2] dt-bindings: nfc: nxp-nci: document pvdd-supply Message-ID: <20230609183639.85221-2-raymondhackley@protonmail.com> In-Reply-To: <20230609183639.85221-1-raymondhackley@protonmail.com> References: <20230609183639.85221-1-raymondhackley@protonmail.com> Feedback-ID: 49437091:user:proton MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,SPF_HELO_PASS, SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=unavailable 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 PN547/553, QN310/330 chips on some devices require a pad supply voltage (PVDD). Otherwise, the NFC won't power up. Document support for pad supply voltage pvdd-supply that is enabled by the nxp-nci driver so that the regulator gets enabled when needed. Signed-off-by: Raymond Hackley Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml b/Docum= entation/devicetree/bindings/net/nfc/nxp,nci.yaml index 6924aff0b2c5..d5a4f935c2ce 100644 --- a/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml +++ b/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml @@ -25,6 +25,11 @@ properties: firmware-gpios: description: Output GPIO pin used to enter firmware download mode =20 + pvdd-supply: + description: | + Optional regulator that provides pad supply voltage for some + controllers + interrupts: maxItems: 1 =20 --=20 2.30.2