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Commit 3b060532 authored by Christophe Ricard's avatar Christophe Ricard Committed by Samuel Ortiz
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NFC: dts: st21nfca: Document ese-present & uicc-present DTS property 



On st21nfca, the mechanism to enable a secure element needs to add 2
properties in order manage the SWP line correctly.

Document ese-present and uicc-present properties.

Signed-off-by: default avatarChristophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 2130fb97

Documentation/devicetree/bindings/net/nfc/st21nfca.txt

+7 −0
Original line number Diff line number Diff line
@@ -11,6 +11,10 @@ Required properties: 
Optional SoC Specific Properties:

- pinctrl-names: Contains only one value - "default".

- pintctrl-0: Specifies the pin control groups used for this controller.

- ese-present: Specifies that an ese is physically connected to the nfc

controller.

- uicc-present: Specifies that the uicc swp signal can be physically

connected to the nfc controller.



Example (for ARM-based BeagleBoard xM with ST21NFCA on I2C2):
@@ -29,5 +33,8 @@ Example (for ARM-based BeagleBoard xM with ST21NFCA on I2C2): 
		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;



		enable-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>;



		ese-present;

		uicc-present;

	};

};