From patchwork Tue Aug 21 19:31:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcus Folkesson X-Patchwork-Id: 960702 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="t2QVljyR"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41w1d00tnyz9s9F for ; Wed, 22 Aug 2018 05:55:48 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727307AbeHUXRG (ORCPT ); Tue, 21 Aug 2018 19:17:06 -0400 Received: from mail-lj1-f195.google.com ([209.85.208.195]:47001 "EHLO mail-lj1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726810AbeHUXRG (ORCPT ); Tue, 21 Aug 2018 19:17:06 -0400 Received: by mail-lj1-f195.google.com with SMTP id 203-v6so15229311ljj.13; Tue, 21 Aug 2018 12:55:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=DVE6PpUvFq4CLprqWo6Eq7kEfRGyHyMeIbkuOnlqoVM=; b=t2QVljyRVOUZfHdd3+38A9geIXIxptfDLvujhaluJzsnAdgDAJ6dMtlUX56swlW+wH RuNjAHt0LW7aleGLnKoyKw7c9DWjueL/wrL0TY5CPXyA4d4Tosa83nuigmYKtd6GHyJF kcjRc5HXIrBUIXfU/EIuJm9QFH6N8+16pLaVLQuTKipMejUinwkBkd8SOyrQeLQmiQXN tSEwKc4mkH0fNgO0hKyWZi4JztErCE16K6x2040lhQeDVNnkZ0KKdTPfdEcYRhNmBkQn t4wxPyOHnhAPQErI1dUcoLy4FjBvmnTMf0obt94ICFJFHwhAj2jQ5m/P0tFeDsLyjT69 a56g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=DVE6PpUvFq4CLprqWo6Eq7kEfRGyHyMeIbkuOnlqoVM=; b=AyTg9XKJdCLFnuCYpGUhcOGOHhcAFl56s+CZoWFIXrbfEdVJ5GrjcwKmGsYOCcKJWf xDJgHN97XDFKunI0IzYfwllix2pgxGzJGSxitllSKFnVyRjltu3Yw7MYiJKG/IO05H96 i3A3mqANWV5nDMOiyF4OQfr8vn+EckWdtQuOj/jV8gWfrrNPUYS4n3cdyR1Z1vkG0pdD NUVKDZ9g0borSnHEbQlakwk84drlD8JqK0VZiAWFX0KnbbXdllSGHLCINwWMqkEpdbzR vBw9RJBnoRQm4tq+/Mf0cwX7n50GYODTZGVfXmpaKslY4sG96HgiLlVnhJJsmJNHM6cy jrBQ== X-Gm-Message-State: APzg51DnDOoYdSKkxVAcYjazI2/7S7aiEPpiiWb4G1qpJcj5u1tiOWLZ v9GH9znlsObylBgQsipYoQTwVj0uEh8= X-Google-Smtp-Source: AA+uWPxovMc5FaeIeuZnFWnWt9c/3mVklbm0Nt08ESRmmxCaKLaEeyV/W+kVuXQpe+ljyScNA1FINg== X-Received: by 2002:a2e:9c0f:: with SMTP id s15-v6mr4745649lji.97.1534881331663; Tue, 21 Aug 2018 12:55:31 -0700 (PDT) Received: from localhost.localdomain (c-2ec26f18-74736162.cust.telenor.se. [46.194.111.24]) by smtp.gmail.com with ESMTPSA id l141-v6sm2449374lfg.55.2018.08.21.12.55.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 21 Aug 2018 12:55:30 -0700 (PDT) From: Marcus Folkesson To: Marcus Folkesson , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Rob Herring , Mark Rutland Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] dt-bindings: iio: dac: add bindings for ltc1660 Date: Tue, 21 Aug 2018 21:31:25 +0200 Message-Id: <20180821193126.15733-2-marcus.folkesson@gmail.com> X-Mailer: git-send-email 2.11.0.rc2 In-Reply-To: <20180821193126.15733-1-marcus.folkesson@gmail.com> References: <20180821193126.15733-1-marcus.folkesson@gmail.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org LTC1665/LTC1660 is a 8/10-bit Digital-to-Analog Converter (DAC) with eight individual channels. Signed-off-by: Marcus Folkesson Reviewed-by: Rob Herring --- Notes: v2: - rename file, ltc166x -> ltc1660 .../devicetree/bindings/iio/dac/ltc1660.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/dac/ltc1660.txt diff --git a/Documentation/devicetree/bindings/iio/dac/ltc1660.txt b/Documentation/devicetree/bindings/iio/dac/ltc1660.txt new file mode 100644 index 000000000000..c5b5f22d6c64 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/ltc1660.txt @@ -0,0 +1,21 @@ +* Linear Technology Micropower octal 8-Bit and 10-Bit DACs + +Required properties: + - compatible: Must be one of the following: + "lltc,ltc1660" + "lltc,ltc1665" + - reg: SPI chip select number for the device + - vref-supply: Phandle to the voltage reference supply + +Recommended properties: + - spi-max-frequency: Definition as per + Documentation/devicetree/bindings/spi/spi-bus.txt. + Max frequency for this chip is 5 MHz. + +Example: +dac@0 { + compatible = "lltc,ltc1660"; + reg = <0>; + spi-max-frequency = <5000000>; + vref-supply = <&vref_reg>; +};