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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /Documentation/devicetree/bindings/net/nfc/st-nci-spi.txt
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'Documentation/devicetree/bindings/net/nfc/st-nci-spi.txt')
-rw-r--r--Documentation/devicetree/bindings/net/nfc/st-nci-spi.txt9
1 files changed, 8 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/st-nci-spi.txt b/Documentation/devicetree/bindings/net/nfc/st-nci-spi.txt
index 525681b6d..711ca85a3 100644
--- a/Documentation/devicetree/bindings/net/nfc/st-nci-spi.txt
+++ b/Documentation/devicetree/bindings/net/nfc/st-nci-spi.txt
@@ -2,7 +2,7 @@
Required properties:
- compatible: Should be "st,st21nfcb-spi"
-- spi-max-frequency: Maximum SPI frequency (<= 10000000).
+- spi-max-frequency: Maximum SPI frequency (<= 4000000).
- interrupt-parent: phandle for the interrupt gpio controller
- interrupts: GPIO interrupt to which the chip is connected
- reset-gpios: Output GPIO pin used to reset the ST21NFCB
@@ -10,6 +10,10 @@ 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 ST21NFCB on SPI4):
@@ -27,5 +31,8 @@ Example (for ARM-based BeagleBoard xM with ST21NFCB on SPI4):
interrupts = <2 IRQ_TYPE_EDGE_RISING>;
reset-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>;
+
+ ese-present;
+ uicc-present;
};
};