From patchwork Fri Mar 31 23:57:27 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xo Wang X-Patchwork-Id: 745850 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vvz2h5wMZz9ryZ for ; Sat, 1 Apr 2017 10:57:48 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.b="pGEM47QK"; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3vvz2h4m1LzDqHl for ; Sat, 1 Apr 2017 10:57:48 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.b="pGEM47QK"; dkim-atps=neutral X-Original-To: openbmc@lists.ozlabs.org Delivered-To: openbmc@lists.ozlabs.org Received: from mail-pg0-x231.google.com (mail-pg0-x231.google.com [IPv6:2607:f8b0:400e:c05::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3vvz2Z5WjqzDqGx for ; Sat, 1 Apr 2017 10:57:41 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.b="pGEM47QK"; dkim-atps=neutral Received: by mail-pg0-x231.google.com with SMTP id x125so84284033pgb.0 for ; Fri, 31 Mar 2017 16:57:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=4Z/rVbT24UV49iOkZeembiRz5FJ9EB4U3FMqiZHSegQ=; b=pGEM47QKbQLKgVwMALAQUZy6ERlJJsHeltvt9thK4lAvQwZ97kBJlUMAjnMTrbaBeH amDYy5+FzFVMhZjcaehh8+kbo5V/SSaI23rcFLC8MvLRhwp1obWQkTIqksNXfXPvOLdV 9UfRPyIoTCkUSvYYGScTtKop3Ho0qHzZUnl5LW5+lZ0vNE3LhD7qwOfhC0ZxnBBIpBFX La8OJ/ctyyGB3G1lR3BuNh84A6EaIZ0i/XYdcLOLYtPp9YOsTRkNsx46N2aBUCVf5kxY l6uRs/N2N0PXevw47293sEXbOx/hq0tPWRfM92MTg1yHagkNw5c8gM4DdyolbUBYAXk2 9U6g== 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:mime-version :content-transfer-encoding; bh=4Z/rVbT24UV49iOkZeembiRz5FJ9EB4U3FMqiZHSegQ=; b=VUDO09I4twHYIrcn++lsqj6pubQ4/UoX0JWtn8qPkLoraqBInumupQ/OouXgdOHCrA hObNpQYuarneA7qDLp78IkNSfNMOQO0dv+IFQvVLo6tgHDP2XQNERSbIayfjmrUjUcGE cYTWcdKHmrhev20KG4ugPUBEwRxqv1W7oJUnwGBeRmNgSwKs5tHGIPTp+7wP2/EFpmXM 2i+MH5U+CrYLEXIlSp1XlTLGuCpILD5NqF0+reKxQDIHvCXwahDlsUP6/VBWzmLF/i1m SF9X3ZTZbV8Wct9GNp/I1yMsFNq6iKW8yZqOdFw3INRQ2gJzoFM/SGvFYB+LAzOgm8pf HS8A== X-Gm-Message-State: AFeK/H31/hU7i5Ir8b3GbPT8IUfMGjfmBqTGV8sFSflwROvdm96mFNEdA4t7ljNyIsjaeFTb X-Received: by 10.99.38.196 with SMTP id m187mr5359401pgm.195.1491004659782; Fri, 31 Mar 2017 16:57:39 -0700 (PDT) Received: from pewter.svl.corp.google.com ([100.123.242.121]) by smtp.gmail.com with ESMTPSA id d10sm12507045pfl.59.2017.03.31.16.57.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 31 Mar 2017 16:57:39 -0700 (PDT) From: Xo Wang To: openbmc@lists.ozlabs.org Subject: [PATCH linux] ARM: dts: aspeed: zaius: Add iio-hwmon ADC bridge Date: Fri, 31 Mar 2017 16:57:27 -0700 Message-Id: <20170331235727.78354-1-xow@google.com> X-Mailer: git-send-email 2.12.2.564.g063fe858b8-goog MIME-Version: 1.0 X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: openbmc-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "openbmc" Add instantiation for iio-hwmon bridge that exports the ADC (an iio device) channels to hwmon as a device. This requires CONFIG_SENSORS_IIO_HWMON to function. Note that the hwmon input numbering is one-indexed, so each input will be numbered one greater than their corresponding ADC channel. Signed-off-by: Xo Wang Acked-by: Rick Altherr --- arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts index dfd0dd7c16e4..7ea66de051d4 100644 --- a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts +++ b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts @@ -86,6 +86,14 @@ enable-gpios = <&gpio ASPEED_GPIO(D, 0) GPIO_ACTIVE_HIGH>; mux-gpios = <&gpio ASPEED_GPIO(P, 6) GPIO_ACTIVE_HIGH>; }; + + iio-hwmon { + compatible = "iio-hwmon"; + io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, + <&adc 4>, <&adc 5>, <&adc 6>, <&adc 7>, + <&adc 8>, <&adc 9>, <&adc 10>, <&adc 11>, + <&adc 12>, <&adc 13>, <&adc 14>, <&adc 15>; + }; }; &fmc {