From patchwork Wed Feb 14 16:28:44 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 10219421 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C3D3D601C2 for ; Wed, 14 Feb 2018 16:28:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B44B528C15 for ; Wed, 14 Feb 2018 16:28:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A8E6328C33; Wed, 14 Feb 2018 16:28:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 179B028C58 for ; Wed, 14 Feb 2018 16:28:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1032444AbeBNQ2s (ORCPT ); Wed, 14 Feb 2018 11:28:48 -0500 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:54278 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1032561AbeBNQ2q (ORCPT ); Wed, 14 Feb 2018 11:28:46 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=Date:Message-Id:In-Reply-To: Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner: List-Archive; bh=iRiYFkGF+Ubukb/zdqa3VDnoZNVWfEBkeyhzjqZS4Ck=; b=bYMhdTNldXNS vE9cRvE67kTl3bnbyGA8zEjFh/4aMGhoq83cYhAY4NKdbYCqRdA+EIKSpPMEtCWw2pwYjmEFhG2yT BaGlx+dyvSzEkUUPPFXcqjjEN049Be/n6JUALRyEke5lXh6Vl7aL7euE6leXZ5apkDnwREuRidlWq FVU24=; Received: from debutante.sirena.org.uk ([2001:470:1f1d:6b5::3] helo=debutante) by heliosphere.sirena.org.uk with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1elzvJ-0005qx-D3; Wed, 14 Feb 2018 16:28:45 +0000 Received: from broonie by debutante with local (Exim 4.90_1) (envelope-from ) id 1elzvI-0005pZ-U3; Wed, 14 Feb 2018 16:28:44 +0000 From: Mark Brown To: Linus Walleij Cc: Mark Brown , Mark Brown , linux-spi@vger.kernel.org, Rob Herring , linux-spi@vger.kernel.org Subject: Applied "spi: spi-gpio: Augment device tree bindings" to the spi tree In-Reply-To: <20180101133749.29567-4-linus.walleij@linaro.org> Message-Id: Date: Wed, 14 Feb 2018 16:28:44 +0000 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The patch spi: spi-gpio: Augment device tree bindings has been applied to the spi tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From 77a060533c0468069d0b4a5d1968a42259763f08 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Mon, 12 Feb 2018 13:45:32 +0100 Subject: [PATCH] spi: spi-gpio: Augment device tree bindings After we augmented the core to handle "gpio-sck"/"sck-gpios", "gpio-mosi"/"mosi-gpios", "gpio-miso"/"miso-gpios" alike, deprecate the old binding and put the strict modern and recommended binding practice into place as the default for GPIO-based SPI. This reflects the similar change in I2C: commit 7d29f509d2cf ("dt-bindings: i2c: i2c-gpio: Add support for named gpios") Signed-off-by: Linus Walleij Reviewed-by: Andy Shevchenko Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/spi/spi-gpio.txt | 24 ++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/spi/spi-gpio.txt b/Documentation/devicetree/bindings/spi/spi-gpio.txt index a95603bcf6ff..52db562f17a4 100644 --- a/Documentation/devicetree/bindings/spi/spi-gpio.txt +++ b/Documentation/devicetree/bindings/spi/spi-gpio.txt @@ -1,18 +1,30 @@ SPI-GPIO devicetree bindings +This represents a group of 3-n GPIO lines used for bit-banged SPI on dedicated +GPIO lines. + Required properties: - compatible: should be set to "spi-gpio" - #address-cells: should be set to <0x1> - ranges - - gpio-sck: GPIO spec for the SCK line to use - - gpio-miso: GPIO spec for the MISO line to use - - gpio-mosi: GPIO spec for the MOSI line to use + - sck-gpios: GPIO spec for the SCK line to use + - miso-gpios: GPIO spec for the MISO line to use + - mosi-gpios: GPIO spec for the MOSI line to use - cs-gpios: GPIOs to use for chipselect lines. Not needed if num-chipselects = <0>. - num-chipselects: Number of chipselect lines. Should be <0> if a single device with no chip select is connected. +Deprecated bindings: + +These legacy GPIO line bindings can alternatively be used to define the +GPIO lines used, they should not be used in new device trees. + + - gpio-sck: GPIO spec for the SCK line to use + - gpio-miso: GPIO spec for the MISO line to use + - gpio-mosi: GPIO spec for the MOSI line to use + Example: spi { @@ -20,9 +32,9 @@ Example: #address-cells = <0x1>; ranges; - gpio-sck = <&gpio 95 0>; - gpio-miso = <&gpio 98 0>; - gpio-mosi = <&gpio 97 0>; + sck-gpios = <&gpio 95 0>; + miso-gpios = <&gpio 98 0>; + mosi-gpios = <&gpio 97 0>; cs-gpios = <&gpio 125 0>; num-chipselects = <1>;