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[RESEND,v3,1/2] dt-bindings: nfc: nxp-nci: document pvdd-supply

Message ID 20230609183639.85221-2-raymondhackley@protonmail.com
State New
Headers
Series NFC: nxp-nci: Add pad supply voltage pvdd-supply |

Commit Message

Raymond Hackley June 9, 2023, 6:37 p.m. UTC 
  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 <raymondhackley@protonmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml b/Documentation/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
 
+  pvdd-supply:
+    description: |
+      Optional regulator that provides pad supply voltage for some
+      controllers
+
   interrupts:
     maxItems: 1