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[v1,19/34] NFC: dts: st21nfca: Document ese-present & uicc-present DTS property

Message ID 1418072919-10535-20-git-send-email-christophe-h.ricard@st.com
State Accepted, archived
Commit 3b060532621ef52e9e58c7596868c2570229a47b
Headers show

Commit Message

Christophe Ricard Dec. 8, 2014, 9:08 p.m. UTC 
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: Christophe Ricard <christophe-h.ricard@st.com>
---
 Documentation/devicetree/bindings/net/nfc/st21nfca.txt | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/net/nfc/st21nfca.txt b/Documentation/devicetree/bindings/net/nfc/st21nfca.txt
index db677fe..7bb2e21 100644
--- a/Documentation/devicetree/bindings/net/nfc/st21nfca.txt
+++ b/Documentation/devicetree/bindings/net/nfc/st21nfca.txt
@@ -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;
 	};
 };