From nobody Mon Apr 13 21:43:02 2026 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 3C342C4167B for ; Wed, 16 Nov 2022 10:22:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238737AbiKPKWW (ORCPT ); Wed, 16 Nov 2022 05:22:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56956 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233202AbiKPKVw (ORCPT ); Wed, 16 Nov 2022 05:21:52 -0500 Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D87221252 for ; Wed, 16 Nov 2022 02:21:51 -0800 (PST) Received: by mail-wr1-x42d.google.com with SMTP id g12so28903100wrs.10 for ; Wed, 16 Nov 2022 02:21:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=HSVWFwlfT1R0XiTLF2nwbR5ZrhzAtrkx1WJmlAjyhZw=; b=x8/Nh7PNQPl0JPgz1FPnoyB8tVf315HDN4l8JhIQoTrK2o4UrXz0OhldFesWs9j/bk NP4tyinpXGmQXGYivleJC6LvK2b5a5mi880xptmhkedFvOdg+99bt2NqDXT6++hSnRPO YBBsT/zes/4NEx8fQs7yrC2ZPzHGNIPx2ttFitygqDgLSGLMVG+vWnP0h6BoHTlTKrvB IA52vvfCXJm8+rTbIV6LBSSvEObIixFY/TnOO13DZlXT3dGM5UWhNRM02HIHX67TJKYF a7we3OerjfHyvJBlJOT50tPwnKpSxpoBij83jXyTIZVb2SN9c/CJ5o4/kizau7G5L9mc 5dqA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=HSVWFwlfT1R0XiTLF2nwbR5ZrhzAtrkx1WJmlAjyhZw=; b=c4CRgnJPze/0PEFc7D+wyBGIi6YjuovFSeySw3j8A+m5KG04eT65f/90kLeNQ1mCdT +ofTAvyvE3IzRNgBBJxzQ8i6KCuk9CqrLeiNbYsuMGZad+mSbq7OYgw8p3+SXR6zA5Yj NYGDBpew7a38LEiH5zQyLZdBMxMPYlDO7KuetH24CgEi2a2wkp0Kh05aG+OezLHRnVis 0sjoBdyjWmzd14hH0kSc7s6aS9pfonqdoqXIm8K4iDczrUKx/enpDACxC+ZhYYI1Qphm ABDGr4ajK9E2Te/NM9mD59M56C2yqPSQkV5SRbhwuXcwj4ITxPLJmchQffKa2whE/n/b Hztw== X-Gm-Message-State: ANoB5pmN8LD8Xl7NX4WXewFfxUndJ+RC4HFa5nLvBf39GsR5+fH5nMV2 3E6uTCNGDuy7b8nziKtzpuhJiQ== X-Google-Smtp-Source: AA0mqf6o6qn/vwQRLAF3VvQYf1m2ozi/t0KjXMCL1uTOiIaI55mGLadKwa5eu6NzuymWaGKOOhPXhg== X-Received: by 2002:adf:f6ca:0:b0:236:6e2a:ac12 with SMTP id y10-20020adff6ca000000b002366e2aac12mr12931127wrp.366.1668594110063; Wed, 16 Nov 2022 02:21:50 -0800 (PST) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:52eb:f6ff:feb3:451a]) by smtp.gmail.com with ESMTPSA id o5-20020a05600c510500b003b4ff30e566sm6133615wms.3.2022.11.16.02.21.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Nov 2022 02:21:49 -0800 (PST) From: Neil Armstrong Date: Wed, 16 Nov 2022 11:21:48 +0100 Subject: [PATCH 1/6] dt-bindings: qcom: geni-se: document I2C Master Hub wrapper variant MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20221114-narmstrong-sm8550-upstream-i2c-master-hub-v1-1-64449106a148@linaro.org> References: <20221114-narmstrong-sm8550-upstream-i2c-master-hub-v1-0-64449106a148@linaro.org> In-Reply-To: <20221114-narmstrong-sm8550-upstream-i2c-master-hub-v1-0-64449106a148@linaro.org> To: Rob Herring , Konrad Dybcio , Andy Gross , Krzysztof Kozlowski , Bjorn Andersson Cc: linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.10.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The I2C Master Hub is a stripped down version of the GENI Serial Engine QUP Wrapper Controller but only supporting I2C serial engines without DMA support. This documents the variant compatible and forbids UART and SPI sub-nodes, and removes requirement for the Master AHB clock and iommu property. Signed-off-by: Neil Armstrong --- .../devicetree/bindings/soc/qcom/qcom,geni-se.yaml | 43 ++++++++++++++++++= ---- 1 file changed, 35 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml b= /Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml index 2bf5293fc995..6657e74df629 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml @@ -21,20 +21,15 @@ properties: compatible: enum: - qcom,geni-se-qup + - qcom,geni-se-i2c-master-hub =20 reg: description: QUP wrapper common register address and length. maxItems: 1 =20 - clock-names: - items: - - const: m-ahb - - const: s-ahb + clock-names: true =20 - clocks: - items: - - description: Master AHB Clock - - description: Slave AHB Clock + clocks: true =20 "#address-cells": const: 2 @@ -81,6 +76,38 @@ patternProperties: description: GENI Serial Engine based UART Controller. $ref: /schemas/serial/qcom,serial-geni-qcom.yaml# =20 +if: + properties: + compatible: + contains: + const: qcom,geni-se-i2c-master-hub +then: + properties: + clock-names: + items: + - const: s-ahb + + clocks: + items: + - description: Slave AHB Clock + + iommus: false + + patternProperties: + "spi@[0-9a-f]+$": false + "serial@[0-9a-f]+$": false +else: + properties: + clock-names: + items: + - const: m-ahb + - const: s-ahb + + clocks: + items: + - description: Master AHB Clock + - description: Slave AHB Clock + additionalProperties: false =20 examples: --=20 b4 0.10.1