From a1a8b4594f8d30e650dad19832e17552219e5694 Mon Sep 17 00:00:00 2001 From: Clement Perrochaud Date: Wed, 2 Apr 2014 09:03:27 +0000 Subject: NFC: pn544: i2c: Add DTS Documentation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Describe the properties used by the PN544 NFC controller driver. Signed-off-by: Clément Perrochaud Signed-off-by: Samuel Ortiz --- .../devicetree/bindings/net/nfc/pn544.txt | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/nfc/pn544.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/net/nfc/pn544.txt b/Documentation/devicetree/bindings/net/nfc/pn544.txt new file mode 100644 index 000000000000..dab69f36167c --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/pn544.txt @@ -0,0 +1,35 @@ +* NXP Semiconductors PN544 NFC Controller + +Required properties: +- compatible: Should be "nxp,pn544-i2c". +- clock-frequency: I²C work frequency. +- reg: address on the bus +- interrupt-parent: phandle for the interrupt gpio controller +- interrupts: GPIO interrupt to which the chip is connected +- enable-gpios: Output GPIO pin used for enabling/disabling the PN544 +- firmware-gpios: Output GPIO pin used to enter firmware download mode + +Optional SoC Specific Properties: +- pinctrl-names: Contains only one value - "default". +- pintctrl-0: Specifies the pin control groups used for this controller. + +Example (for ARM-based BeagleBone with PN544 on I2C2): + +&i2c2 { + + status = "okay"; + + pn544: pn544@28 { + + compatible = "nxp,pn544-i2c"; + + reg = <0x28>; + clock-frequency = <400000>; + + interrupt-parent = <&gpio1>; + interrupts = <17 GPIO_ACTIVE_HIGH>; + + enable-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; + firmware-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; + }; +}; -- cgit v1.2.3 From 3b82637813a9ea9f79ac6315341c59bfe408bf11 Mon Sep 17 00:00:00 2001 From: "Mark A. Greer" Date: Tue, 25 Mar 2014 08:54:41 -0700 Subject: NFC: trf7970a: Document the 'autosuspend-delay' DTS property The trf7970a driver recently had support added for the 'autosuspend-delay' property so document it. Signed-off-by: Mark A. Greer Signed-off-by: Samuel Ortiz --- Documentation/devicetree/bindings/net/nfc/trf7970a.txt | 2 ++ 1 file changed, 2 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt index 8dd3ef7bc56b..1e436133685f 100644 --- a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt +++ b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt @@ -12,6 +12,7 @@ Required properties: Optional SoC Specific Properties: - pinctrl-names: Contains only one value - "default". - pintctrl-0: Specifies the pin control groups used for this controller. +- autosuspend-delay: Specify autosuspend delay in milliseconds. Example (for ARM-based BeagleBone with TRF7970A on SPI1): @@ -29,6 +30,7 @@ Example (for ARM-based BeagleBone with TRF7970A on SPI1): ti,enable-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>, <&gpio2 5 GPIO_ACTIVE_LOW>; vin-supply = <&ldo3_reg>; + autosuspend-delay = <30000>; status = "okay"; }; }; -- cgit v1.2.3 From f517a5f370de4171afe1487d67345d7eef1f1822 Mon Sep 17 00:00:00 2001 From: Christophe Ricard Date: Tue, 13 May 2014 22:03:40 +0200 Subject: NFC: dts: st21nfca_i2c: Add DTS Documentation Describe the properties used by the st21nfca NFC controller driver. Signed-off-by: Christophe Ricard Signed-off-by: Samuel Ortiz --- .../devicetree/bindings/net/nfc/st21nfca.txt | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/nfc/st21nfca.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/net/nfc/st21nfca.txt b/Documentation/devicetree/bindings/net/nfc/st21nfca.txt new file mode 100644 index 000000000000..4724fe669172 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/st21nfca.txt @@ -0,0 +1,33 @@ +* STMicroelectronics SAS. ST21NFCA NFC Controller + +Required properties: +- compatible: Should be "st,st21nfca-i2c". +- clock-frequency: I²C work frequency. +- reg: address on the bus +- interrupt-parent: phandle for the interrupt gpio controller +- interrupts: GPIO interrupt to which the chip is connected +- enable-gpios: Output GPIO pin used for enabling/disabling the ST21NFCA + +Optional SoC Specific Properties: +- pinctrl-names: Contains only one value - "default". +- pintctrl-0: Specifies the pin control groups used for this controller. + +Example (for ARM-based BeagleBoard xM with ST21NFCA on I2C2): + +&i2c2 { + + status = "okay"; + + st21nfca: st21nfca@1 { + + compatible = "st,st21nfca_i2c"; + + reg = <0x01>; + clock-frequency = <400000>; + + interrupt-parent = <&gpio5>; + interrupts = <2 IRQ_TYPE_LEVEL_LOW>; + + enable-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>; + }; +}; -- cgit v1.2.3