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| author |   Christophe Ricard <christophe.ricard@gmail.com> | 2015-01-27 01:18:20 +0100 |
|---|---|---|
| committer |   Samuel Ortiz <sameo@linux.intel.com> | 2015-01-28 00:03:37 +0100 |
| commit | 3b060532621ef52e9e58c7596868c2570229a47b (patch) | |
| tree | 4238b794a696e6e01be6000484571e8d8c8a3de5 /Documentation | |
| parent | NFC: st21nfca: Adding support for secure element (diff) | |
| download | linux-dev-3b060532621ef52e9e58c7596868c2570229a47b.tar.xz linux-dev-3b060532621ef52e9e58c7596868c2570229a47b.zip | |
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')
| -rw-r--r-- | Documentation/devicetree/bindings/net/nfc/st21nfca.txt | 7 |
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; }; }; |