From patchwork Mon Jun 22 07:59:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 11617165 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A2754912 for ; Mon, 22 Jun 2020 08:00:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 88599208FE for ; Mon, 22 Jun 2020 08:00:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="FvvYYEOP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727010AbgFVIAG (ORCPT ); Mon, 22 Jun 2020 04:00:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725971AbgFVH7r (ORCPT ); Mon, 22 Jun 2020 03:59:47 -0400 Received: from mail-ot1-x344.google.com (mail-ot1-x344.google.com [IPv6:2607:f8b0:4864:20::344]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4D71CC061796 for ; Mon, 22 Jun 2020 00:59:46 -0700 (PDT) Received: by mail-ot1-x344.google.com with SMTP id e5so12315980ote.11 for ; Mon, 22 Jun 2020 00:59:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=W0AVC+X9ErzkYiUB5L4DLbPxCRa8htBKCdd8OA+6EeU=; b=FvvYYEOPp4pm6JVzYIdlhQZgKQC4Eu0pmimukdREZ26w/K4RWzzQxG6c9zeJgTqiSa qN9MIBtsPbkb1j8GYgXREyt9oAag/aycbJACqYdW2300He/IjRZskDg01Jrb4KGzgHnc v7PpiflO7XHUd5c3kq2IC7VL26GWdN931FFhC8ecLCDSDzgUp3mTEMYSC4aHI7isoLQx 3QWbS0JX7Ux/UxNywd/1HiblCWy1NGOUA9KnD7kqRBdX27StGF/cltlpLWluWdSwjV+u u4cHpa90l8EjkyRqYGA4wBdan6v21SoAsVRylPM83g0vJjRP9vgYLEw3Cg6/oDOzKgwL x+XQ== 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=W0AVC+X9ErzkYiUB5L4DLbPxCRa8htBKCdd8OA+6EeU=; b=XoHfdWxxIvUkdYGBhJhTvB5/c/ooN4azyPODVl8wrUnfVO95k2MYekNZIS9DDOJyZp Cg2dz4VLz1+/R/K2IkcFqgHPM/PTtncY1xJixo+cZ3N2a5s+48rntPLLQzdkvcrPkZT/ W9fpoj8nWApyU+ssgjzpmD2u0GoumtVujA7CGqpM8YVcWYgySZBQPJGQG1I66A6X4NmD c9ksHYcCfvgDcbijPwsn9x+chfPsiRpk4yzjaNnRw8ABXfUXrlCeIWX9Ybh3zzf6saca M0DH6d/WIVZys3ObbcTPcmaSZuDogGPcmX+meFTcYgMcLzROCaQqhiii6GtLmGLkU/34 Fd9g== X-Gm-Message-State: AOAM530dq1n4QVMhLec1LxVJ02DWQVqLv57zGaROHaR4UlLkqAmQT79R B/9mwvBFVrizQzmDiAUuLMB9aQ== X-Google-Smtp-Source: ABdhPJz7O6kvIiN2932DRiySX4pyGzskG5olUNFzZYaoBSXN+4cLgQQHk6GWwwfvkD/ldN3thmQAKQ== X-Received: by 2002:a9d:21c5:: with SMTP id s63mr13578242otb.63.1592812785534; Mon, 22 Jun 2020 00:59:45 -0700 (PDT) Received: from localhost.localdomain (104-188-17-28.lightspeed.sndgca.sbcglobal.net. [104.188.17.28]) by smtp.gmail.com with ESMTPSA id f7sm3135396otl.60.2020.06.22.00.59.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Jun 2020 00:59:44 -0700 (PDT) From: Bjorn Andersson To: Andy Gross , Bjorn Andersson , Ohad Ben-Cohen , Baolin Wang , Rob Herring Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/4] hwspinlock: qcom: Allow dropping the intermediate TCSR mutex syscon Date: Mon, 22 Jun 2020 00:59:52 -0700 Message-Id: <20200622075956.171058-1-bjorn.andersson@linaro.org> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org In modern Qualcomm platforms the mutex region of the TCSR is forked off into its own block, all with a offset of 0 and stride of 4096, and in some of these platforms no other registers in this region is accessed from Linux. Update the binding and the implementation to allow the TCSR mutex to be represented without an intermediate syscon node. Bjorn Andersson (4): dt-bindings: hwlock: qcom: Migrate binding to YAML dt-bindings: hwlock: qcom: Allow device on mmio bus hwspinlock: qcom: Allow mmio usage in addition to syscon arm64: dts: qcom: sm8250: Drop tcsr_mutex syscon .../bindings/hwlock/qcom-hwspinlock.txt | 39 ----------- .../bindings/hwlock/qcom-hwspinlock.yaml | 65 +++++++++++++++++ arch/arm64/boot/dts/qcom/sm8250.dtsi | 17 ++--- drivers/hwspinlock/qcom_hwspinlock.c | 70 ++++++++++++++----- 4 files changed, 125 insertions(+), 66 deletions(-) delete mode 100644 Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.txt create mode 100644 Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml