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authorChristophe Ricard <christophe.ricard@gmail.com>2015-01-27 01:18:20 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2015-01-28 00:03:37 +0100
commit3b060532621ef52e9e58c7596868c2570229a47b (patch)
tree4238b794a696e6e01be6000484571e8d8c8a3de5 /Documentation/devicetree/bindings/net
parent2130fb97fecf9a51bb4a21da220cff3f72496a94 (diff)
downloadkernel-3b060532621ef52e9e58c7596868c2570229a47b.tar.gz
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: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'Documentation/devicetree/bindings/net')
-rw-r--r--Documentation/devicetree/bindings/net/nfc/st21nfca.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/st21nfca.txt b/Documentation/devicetree/bindings/net/nfc/st21nfca.txt
index db677fef56a9..7bb2e213d6f9 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;
};
};