From patchwork Wed Jan 26 11:26:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 537065 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2EAB9C5DF62 for ; Wed, 26 Jan 2022 11:26:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240691AbiAZL0W (ORCPT ); Wed, 26 Jan 2022 06:26:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233677AbiAZL0S (ORCPT ); Wed, 26 Jan 2022 06:26:18 -0500 X-Greylist: delayed 437 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Wed, 26 Jan 2022 03:26:17 PST Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::223]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4228BC06174E; Wed, 26 Jan 2022 03:26:17 -0800 (PST) Received: (Authenticated sender: miquel.raynal@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 1A46860003; Wed, 26 Jan 2022 11:26:14 +0000 (UTC) From: Miquel Raynal To: Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , Pratyush Yadav , Michael Walle , Cc: Rob Herring , , Michal Simek , Thomas Petazzoni , Mark Brown , , Miquel Raynal , Rob Herring Subject: [PATCH v6 3/3] spi: dt-bindings: Add an example with two stacked flashes Date: Wed, 26 Jan 2022 12:26:07 +0100 Message-Id: <20220126112608.955728-4-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220126112608.955728-1-miquel.raynal@bootlin.com> References: <20220126112608.955728-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Provide an example of how to describe two flashes in eg. stacked mode. Signed-off-by: Miquel Raynal Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/spi/spi-controller.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/spi-controller.yaml b/Documentation/devicetree/bindings/spi/spi-controller.yaml index 36b72518f565..0f4d40218400 100644 --- a/Documentation/devicetree/bindings/spi/spi-controller.yaml +++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml @@ -139,4 +139,11 @@ examples: spi-max-frequency = <100000>; reg = <1>; }; + + flash@2 { + compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; + reg = <2>, <3>; + stacked-memories = /bits/ 64 <0x10000000 0x10000000>; + }; };