From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx08-00178001.pphosted.com ([91.207.212.93]:33256 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754340AbbILH2i (ORCPT ); Sat, 12 Sep 2015 03:28:38 -0400 From: Shikha Singh To: , , , , CC: , , , , Subject: [[linux-nfc] PATCH v1.0 3/3] DT: bindings: net: nfc: ST95HF binding doc Date: Sat, 12 Sep 2015 03:21:35 -0400 Message-ID: <1442042495-2407-4-git-send-email-shikha.singh@st.com> (sfid-20150912_092841_049353_B9EFFFA2) In-Reply-To: <1442042495-2407-1-git-send-email-shikha.singh@st.com> References: <1442042495-2407-1-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 | 55 ++++++++++++++++++++++ 1 file changed, 55 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..baa4819 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/st95hf.txt @@ -0,0 +1,55 @@ +STMicroelectronics NFC Transceiver ST95HF +----------------------------------------- + +ST NFC Transceiver is required to attach with SPI bus. +ST95HF should be defined in DT as SPI slave device of SPI master +with which transceiver is physically connected. +The properties defined below are required to be the part of DT +to include transceiver into the platform. + +Required properties: + +- reg: Address of SPI slave "transceiver" on SPI master bus. + +- compatible: should be "st,st95hf" for ST NFC transceiver + +- spi-max-frequency: Max. operating SPI frequency for transceiver. + +- st,st95hf-enable-gpio: GPIO line used to enable transceiver. + +- interrupt-parent : Standard way to specify the controller to which + transceiver interrupt is routed. + +- interrupts : Standard way to define device (transceiver's out) interrupt. + +Optional property: + +- st95hfvin-supply : This is an optional property.It contains a phandle to + transceiver regulator supply node in DT. + +Example: + spi@9840000 { + compatible = "st,comms-ssc4-spi"; + reg = <0x9840000 0x110>; + interrupts = ; + clocks = <&clk_s_c0_flexgen CLK_EXT2F_A9>; + clock-names = "ssc"; + pinctrl-0 = <&pinctrl_spi0_default>; + pinctrl-names = "default"; + #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>; + st,st95hf-enable-gpio = <&pio4 0>; + interrupt-parent = <&pio0>; + interrupts = <7 IRQ_TYPE_EDGE_FALLING>; + }; + + }; + -- 1.8.2.1