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To: linux-kernel@vger.kernel.org
From: Raymond Hackley <raymondhackley@protonmail.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
"David S . Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Rob Herring <robh+dt@kernel.org>, Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>, Michael Walle <michael@walle.cc>,
=?utf-8?q?Uwe_Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>,
Jeremy Kerr <jk@codeconstruct.com.au>,
Raymond Hackley <raymondhackley@protonmail.com>, netdev@vger.kernel.org,
devicetree@vger.kernel.org
Subject: [PATCH 0/2] NFC: nxp-nci: Add pad supply voltage pvdd-supply
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NFC: nxp-nci: Add pad supply voltage pvdd-supply
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Message
Raymond Hackley
June 6, 2023, 7:24 a.m. UTC
PN547/553, QN310/330 chips on some devices require a pad supply voltage (PVDD). Otherwise, the NFC won't power up. Implement support for pad supply voltage pvdd-supply that is enabled by the nxp-nci driver so that the regulator gets enabled when needed.