Return-path: Received: from mx08-00178001.pphosted.com ([91.207.212.93]:58241 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1162418AbbKTJuq (ORCPT ); Fri, 20 Nov 2015 04:50:46 -0500 From: Shikha Singh To: , , , , CC: , , , , , Subject: [[linux-nfc] PATCH v4 3/3] DT: bindings: net: nfc: Add ST95HF binding doc Date: Fri, 20 Nov 2015 04:49:57 -0500 Message-ID: <1448012997-6000-4-git-send-email-shikha.singh@st.com> (sfid-20151120_105053_816952_4F668288) In-Reply-To: <1448012997-6000-1-git-send-email-shikha.singh@st.com> References: <1448012997-6000-1-git-send-email-shikha.singh@st.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: This patch includes ST95HF binding doc that guides how to make node entry of ST95HF in DT file of any platform. Signed-off-by: Shikha Singh --- .../devicetree/bindings/net/nfc/st95hf.txt | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/nfc/st95hf.txt diff --git a/Documentation/devicetree/bindings/net/nfc/st95hf.txt b/Documentation/devicetree/bindings/net/nfc/st95hf.txt new file mode 100644 index 0000000..ea3178b --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/st95hf.txt @@ -0,0 +1,50 @@ +* STMicroelectronics : NFC Transceiver ST95HF + +ST NFC Transceiver is required to attach with SPI bus. +ST95HF node should be defined in DT as SPI slave device of SPI +master with which ST95HF transceiver is physically connected. +The properties defined below are required to be the part of DT +to include ST95HF transceiver into the platform. + +Required properties: +=================== +- reg: Address of SPI slave "ST95HF transceiver" on SPI master bus. + +- compatible: should be "st,st95hf" for ST95HF NFC transceiver + +- spi-max-frequency: Max. operating SPI frequency for ST95HF + transceiver. + +- enable-gpio: GPIO line to enable ST95HF transceiver. + +- interrupt-parent : Standard way to specify the controller to which + ST95HF transceiver's interrupt is routed. + +- interrupts : Standard way to define ST95HF transceiver's out + interrupt. + +Optional property: +================= +- st95hfvin-supply : This is an optional property. It contains a + phandle to ST95HF transceiver's regulator supply node in DT. + +Example: +======= +spi@9840000 { + reg = <0x9840000 0x110>; + #address-cells = <1>; + #size-cells = <0>; + cs-gpios = <&pio0 4>; + status = "okay"; + + st95hf@0{ + reg = <0>; + compatible = "st,st95hf"; + status = "okay"; + spi-max-frequency = <1000000>; + enable-gpio = <&pio4 0>; + interrupt-parent = <&pio0>; + interrupts = <7 IRQ_TYPE_EDGE_FALLING>; + }; + +}; -- 1.8.2.1