From: Christophe Ricard Date: Tue, 27 Jan 2015 00:18:20 +0000 (+0100) Subject: NFC: dts: st21nfca: Document ese-present & uicc-present DTS property X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3b060532621ef52e9e58c7596868c2570229a47b;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git 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 Signed-off-by: Samuel Ortiz --- 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; }; };