Commit 3b060532 authored by Christophe Ricard's avatar Christophe Ricard Committed by Samuel Ortiz

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
...@@ -11,6 +11,10 @@ Required properties: ...@@ -11,6 +11,10 @@ Required properties:
Optional SoC Specific Properties: Optional SoC Specific Properties:
- pinctrl-names: Contains only one value - "default". - pinctrl-names: Contains only one value - "default".
- pintctrl-0: Specifies the pin control groups used for this controller. - 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): Example (for ARM-based BeagleBoard xM with ST21NFCA on I2C2):
...@@ -29,5 +33,8 @@ 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>; interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
enable-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>; enable-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>;
ese-present;
uicc-present;
}; };
}; };
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