From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-eopbgr690054.outbound.protection.outlook.com ([40.107.69.54]:64144 "EHLO NAM04-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731731AbeGTPw6 (ORCPT ); Fri, 20 Jul 2018 11:52:58 -0400 From: Mircea Caprioru Subject: [PATCH V5 1/2] dt-bindings: mux: add adi,adgs1408 Date: Fri, 20 Jul 2018 18:03:55 +0300 Message-ID: <20180720150355.2871-1-mircea.caprioru@analog.com> MIME-Version: 1.0 Content-Type: text/plain Sender: devicetree-owner@vger.kernel.org To: peda@axentia.se, robh+dt@kernel.org Cc: davem@davemloft.net, mchehab+samsung@kernel.org, akpm@linux-foundation.org, rdunlap@infradead.org, devicetree@vger.kernel.org, Mircea Caprioru List-ID: Adding documentation for adgs1408/1409 multiplexer. The bindings follow the standard SPI and mux bindings and do not require any additional custom properties. Signed-off-by: Mircea Caprioru --- Changelog V4 -> V5 - no modifications here .../devicetree/bindings/mux/adi,adgs1408.txt | 49 +++++++++++++++++++ MAINTAINERS | 6 +++ 2 files changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/mux/adi,adgs1408.txt diff --git a/Documentation/devicetree/bindings/mux/adi,adgs1408.txt b/Documentation/devicetree/bindings/mux/adi,adgs1408.txt new file mode 100644 index 000000000000..cc7698e7d1ff --- /dev/null +++ b/Documentation/devicetree/bindings/mux/adi,adgs1408.txt @@ -0,0 +1,49 @@ +Bindings for Analog Devices ADGS1408/1409 8:1/Dual 4:1 Mux + +Required properties: +- compatible : Should be one of + * "adi,adgs1408" + * "adi,adgs1409" +* Standard mux-controller bindings as described in mux-controller.txt + +Optional properties for ADGS1408/1409: +- gpio-controller : if present, #gpio-cells is required. +- #gpio-cells : should be <2> + - First cell is the GPO line number, i.e. 0 to 3 + for ADGS1408 and 0 to 4 for ADGS1409 + - Second cell is used to specify active high (0) + or active low (1) + +Optional properties: +- idle-state : if present, array of states that the mux controllers will have + when idle. The special state MUX_IDLE_AS_IS is the default and + MUX_IDLE_DISCONNECT is also supported. + +States 0 through 7 correspond to signals S1 through S8 in the datasheet. +For ADGS1409 only states 0 to 3 are available. + +Example: + + /* + * One mux controller. + * Mux state set to idle as is (no idle-state declared) + */ + &spi0 { + mux: mux-controller@0 { + compatible = "adi,adgs1408"; + reg = <0>; + spi-max-frequency = <1000000>; + #mux-control-cells = <0>; + }; + } + + adc-mux { + compatible = "io-channel-mux"; + io-channels = <&adc 1>; + io-channel-names = "parent"; + mux-controls = <&mux>; + + channels = "out_a0", "out_a1", "test0", "test1", + "out_b0", "out_b1", "testb0", "testb1"; + + }; diff --git a/MAINTAINERS b/MAINTAINERS index 192d7f73fd01..55dfdbf835c1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -810,6 +810,12 @@ L: linux-media@vger.kernel.org S: Maintained F: drivers/media/i2c/ad9389b* +ANALOG DEVICES INC ADGS1408 DRIVER +M: Mircea Caprioru +S: Supported +F: drivers/mux/adgs1408.c +F: Documentation/devicetree/bindings/mux/adgs1408.txt + ANALOG DEVICES INC ADV7180 DRIVER M: Lars-Peter Clausen L: linux-media@vger.kernel.org -- 2.17.1