From patchwork Wed Nov 16 10:21:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 13044664 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 D41A6C43217 for ; Wed, 16 Nov 2022 10:22:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238736AbiKPKWV (ORCPT ); Wed, 16 Nov 2022 05:22:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56782 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236796AbiKPKVw (ORCPT ); Wed, 16 Nov 2022 05:21:52 -0500 Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 83ABF21E26 for ; Wed, 16 Nov 2022 02:21:51 -0800 (PST) Received: by mail-wr1-x42e.google.com with SMTP id k8so29155253wrh.1 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=CW/LsXl24DITr4i1Ts/mUs4BuOQdpSrjAbdBDxVt6b00H24HLVu/1kpj5lpS5Hnla0 jGrcOz3dhSY+6Uwt0y8csxt5MHBG3VVuNGmzE6c5eGpYNLaECHapxw7LdM1W3HnHl7kw 6XYqGkQ4nL7cOVo6YCntO17ApuOlESVkWVYIVRO2tzx0V0cbLg9H/9RUVfsd5FnL/usM 2TMY43qre+bMDG+BvZBX2Ux4Kr6deMdeq20QPeETdJt4KP9mWVaADP5QihNF5V6Ft8BZ VkZVsSYJlMEZ1BKSrM/GsiuVrrCmXjDH0zWFGjO3bNqVAYQ1hXRgITm67RQAgJgK1Svw qQqg== X-Gm-Message-State: ANoB5pmVY+WvA+R7MKSw5pVX8ZOUtYdwahKz9WqMQPIW2CZdNtjaY90i liqxX4DbhFtL2MUpm1nN0CyM3g== 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 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-arm-msm@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 reg: description: QUP wrapper common register address and length. maxItems: 1 - clock-names: - items: - - const: m-ahb - - const: s-ahb + clock-names: true - clocks: - items: - - description: Master AHB Clock - - description: Slave AHB Clock + clocks: true "#address-cells": const: 2 @@ -81,6 +76,38 @@ patternProperties: description: GENI Serial Engine based UART Controller. $ref: /schemas/serial/qcom,serial-geni-qcom.yaml# +if: + properties: + compatible: + contains: + const: qcom,geni-se-i2c-master-hub +then: + properties: + clock-names: + items: + - const: s-ahb + + clocks: + items: + - description: Slave AHB Clock + + iommus: false + + patternProperties: + "spi@[0-9a-f]+$": 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 examples: