From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A6AFC433E0 for ; Thu, 11 Feb 2021 23:48:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7328F64E58 for ; Thu, 11 Feb 2021 23:48:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230332AbhBKXsM (ORCPT ); Thu, 11 Feb 2021 18:48:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46826 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230241AbhBKXrN (ORCPT ); Thu, 11 Feb 2021 18:47:13 -0500 Received: from mail-pg1-x52e.google.com (mail-pg1-x52e.google.com [IPv6:2607:f8b0:4864:20::52e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81F73C06178B for ; Thu, 11 Feb 2021 15:46:30 -0800 (PST) Received: by mail-pg1-x52e.google.com with SMTP id o38so5060056pgm.9 for ; Thu, 11 Feb 2021 15:46:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Gwpmc0x1+3eFyR/7BUUjdFio04J+RxJRu7OO5iEL6OM=; b=WO0wSo3j+XaM9YaYHbZhCBQTUA7k48YCAkeLLXG/SjngCPEgOa+wAvMxV2TPCD/qvh 0fkme8eCctnok0ahmPDDDgxEkD+RW1+4aJueNg1Y3ZPvt3IjOHEnKDID7ewATFrq9zpo fSj9BxnHyc7QZOdKJlXLnF4keh6RIAzIl5WS07h44J9qG26IR4DBd5uNzHeFwbXP/puE B29RUK5RkBKvLKNJulOKT0aSt7EiuqK3kMRDlrR2pmEDpTJPC9AM+ocTJZltBa1sQNhQ wV8C90YueHgfVHmAI9NIue9ErJ0P0DgASlEgwmEyfS+qbuKRuY3vqs8gub33yAtz94wp y5kg== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=Gwpmc0x1+3eFyR/7BUUjdFio04J+RxJRu7OO5iEL6OM=; b=gqIZiL4hJGCz0twZJOyXxcJ4krOU/vjvDOsXGSevAKUqn7DgVe/WfXh6VkLjQjYcFx 4SoZTlA2SPAmBCfA9AwKiwxNui7h7rjCDTH2apsSTpaeXbxbdBSlP6AqR9JK5i9gkDmC OxEHkXbuXffYtqNiOnP6UfVjcb7NLPsbH47huAT7ppiyCrqcuPkNF43NQc1zFmE2W8bj VhwLklN1bajA3Qswk3IFNm+YlW6Az81HuqnvGL4WKPwX8ALP3+hIV22EOrqt3CsdLz0J kR0dmCRxtd5Vcppke02wUDkY6SZ4SK6csGHmhg6V3FJEigtTz9QY2wbO/4H8iAv15RwM hfnA== X-Gm-Message-State: AOAM530dw+4TBzd6n5ncsfKPideniHERnU3DiT/LfjppXrRs9/Yx4T/N 3NI7MpNnn8tlmj+fzBAkOkoshA== X-Google-Smtp-Source: ABdhPJyoshmN5hyMIWVnq14r/Vp9QrsrpigZcMtxfRIKShVYx5fnja/+wwPeHN7sZeaMkTBfgb2VSQ== X-Received: by 2002:a63:43c6:: with SMTP id q189mr505041pga.245.1613087190012; Thu, 11 Feb 2021 15:46:30 -0800 (PST) Received: from xps15.cg.shawcable.net (S0106889e681aac74.cg.shawcable.net. [68.147.0.187]) by smtp.gmail.com with ESMTPSA id iq6sm5932740pjb.6.2021.02.11.15.46.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Feb 2021 15:46:29 -0800 (PST) From: Mathieu Poirier To: ohad@wizery.com, bjorn.andersson@linaro.org, arnaud.pouliquen@st.com Cc: robh+dt@kernel.org, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 01/19] dt-bindings: remoteproc: Add bindind to support autonomous processors Date: Thu, 11 Feb 2021 16:46:09 -0700 Message-Id: <20210211234627.2669674-2-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210211234627.2669674-1-mathieu.poirier@linaro.org> References: <20210211234627.2669674-1-mathieu.poirier@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org This patch adds a binding to guide the remoteproc core on how to deal with remote processors in two cases: 1) When an application holding a reference to a remote processor character device interface crashes. 2) when the platform driver for a remote processor is removed. In both cases if "autonomous-on-core-reboot" is specified in the remote processor DT node, the remoteproc core will detach the remote processor rather than switching it off. Signed-off-by: Mathieu Poirier Reviewed-by: Rob Herring --- .../bindings/remoteproc/remoteproc-core.yaml | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/remoteproc-core.yaml diff --git a/Documentation/devicetree/bindings/remoteproc/remoteproc-core.yaml b/Documentation/devicetree/bindings/remoteproc/remoteproc-core.yaml new file mode 100644 index 000000000000..e8bb8ef9031a --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/remoteproc-core.yaml @@ -0,0 +1,27 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/remoteproc-core.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Binding(s) for a primary processor applicable to all ancillary + processors + +maintainers: + - Bjorn Andersson + - Mathieu Poirier + +description: + This document defines the bindings used by a primary processor to determine + the state it should leave an ancillary processor when the former is no longer + functioning. + +properties: + autonomous-on-core-reboot: + $ref: /schemas/types.yaml#/definitions/flag + description: + When specified the ancillary processor should be left operational when + the primary processor is no longer available. Otherwise the ancillary + processor should be made inoperative. + +additionalProperties: true -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8FC6C433E6 for ; Thu, 11 Feb 2021 23:48:29 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AB04064E44 for ; Thu, 11 Feb 2021 23:48:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AB04064E44 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LKjUXnGuKEOm+r9e37eh4rEq9VVGYGrOTmIwXx4v7a8=; b=ul0Q7b9HkPzfXx5CRBFAWG/bB YgRzzqwar7yAVTt3rO9cVw5sSLTMI0Z9jjKCEP9w8tXyjTzYCF9iUBCRJ2o1RULQ/38F9E6qE0vAB 90DG4Qv1qt2+HTQMfJ2G5u9YueVthAW7QFhd5HASCIUAd7zfm+F642XBRvnlXvGipetRPMpnSYg/E KPrTCUWks65K2SFqteJ9g/Ae5gc6KnfKW7nPTKIbTZIny+zJhxGJE6EmVjqkX3muwyIvZm2Cjca3Q RnBYT1WsolLMc1eGrbZfEN35lrcToNNT43Pvh73OdC/dn2tMCmS9Ki7MvqNEOdcNWrBPnFyJfXP83 zNZnLpX0A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lALft-0004TO-O6; Thu, 11 Feb 2021 23:47:05 +0000 Received: from mail-pf1-x436.google.com ([2607:f8b0:4864:20::436]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lALfN-0004Gn-N5 for linux-arm-kernel@lists.infradead.org; Thu, 11 Feb 2021 23:46:36 +0000 Received: by mail-pf1-x436.google.com with SMTP id b145so4731521pfb.4 for ; Thu, 11 Feb 2021 15:46:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Gwpmc0x1+3eFyR/7BUUjdFio04J+RxJRu7OO5iEL6OM=; b=WO0wSo3j+XaM9YaYHbZhCBQTUA7k48YCAkeLLXG/SjngCPEgOa+wAvMxV2TPCD/qvh 0fkme8eCctnok0ahmPDDDgxEkD+RW1+4aJueNg1Y3ZPvt3IjOHEnKDID7ewATFrq9zpo fSj9BxnHyc7QZOdKJlXLnF4keh6RIAzIl5WS07h44J9qG26IR4DBd5uNzHeFwbXP/puE B29RUK5RkBKvLKNJulOKT0aSt7EiuqK3kMRDlrR2pmEDpTJPC9AM+ocTJZltBa1sQNhQ wV8C90YueHgfVHmAI9NIue9ErJ0P0DgASlEgwmEyfS+qbuKRuY3vqs8gub33yAtz94wp y5kg== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=Gwpmc0x1+3eFyR/7BUUjdFio04J+RxJRu7OO5iEL6OM=; b=fS2DtHFwcLDkn66jDsc/gCgCgBW1mxlxB+Jy8JUfV7AJ6NiF+rR92STK05L+G3Xjx3 NzkEYp0jNm4HQVjaaAaYnLrqVcDzlx2jZ9n6E2Q9k2juGIcwzq7JCsvcQ2/qnxTaH6Dc Q9CBERRy3Y/KURjxizer9+/5oEnLcXmTj65LBmtwJ7wRnbfElh/Qzj3Ak8SOTtaML5lI G0Ob7J8oqR2w5MqaWPTLzIES3Buu/9LXi/qMjuQl5HmiRvCjYTdodh2SDfUBd4RtfltH /B8AItLKIGbJYUoeZdDrj2O5NKgHVbHBj1lqB08TFv/GojHvO+tLavVss6CblLZw5hYl pnLg== X-Gm-Message-State: AOAM533TnvCw+em9zZzV1QXfZ3a2onp63qhTeRqkHQ3ioInYryLtpSGU rN2s61CSlDP7Fezb9aQJGziNtX+IXGq5Sw== X-Google-Smtp-Source: ABdhPJyoshmN5hyMIWVnq14r/Vp9QrsrpigZcMtxfRIKShVYx5fnja/+wwPeHN7sZeaMkTBfgb2VSQ== X-Received: by 2002:a63:43c6:: with SMTP id q189mr505041pga.245.1613087190012; Thu, 11 Feb 2021 15:46:30 -0800 (PST) Received: from xps15.cg.shawcable.net (S0106889e681aac74.cg.shawcable.net. [68.147.0.187]) by smtp.gmail.com with ESMTPSA id iq6sm5932740pjb.6.2021.02.11.15.46.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Feb 2021 15:46:29 -0800 (PST) From: Mathieu Poirier To: ohad@wizery.com, bjorn.andersson@linaro.org, arnaud.pouliquen@st.com Subject: [PATCH v5 01/19] dt-bindings: remoteproc: Add bindind to support autonomous processors Date: Thu, 11 Feb 2021 16:46:09 -0700 Message-Id: <20210211234627.2669674-2-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210211234627.2669674-1-mathieu.poirier@linaro.org> References: <20210211234627.2669674-1-mathieu.poirier@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210211_184633_831312_55EC73F4 X-CRM114-Status: GOOD ( 17.65 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, alexandre.torgue@st.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, mcoquelin.stm32@gmail.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch adds a binding to guide the remoteproc core on how to deal with remote processors in two cases: 1) When an application holding a reference to a remote processor character device interface crashes. 2) when the platform driver for a remote processor is removed. In both cases if "autonomous-on-core-reboot" is specified in the remote processor DT node, the remoteproc core will detach the remote processor rather than switching it off. Signed-off-by: Mathieu Poirier Reviewed-by: Rob Herring --- .../bindings/remoteproc/remoteproc-core.yaml | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/remoteproc-core.yaml diff --git a/Documentation/devicetree/bindings/remoteproc/remoteproc-core.yaml b/Documentation/devicetree/bindings/remoteproc/remoteproc-core.yaml new file mode 100644 index 000000000000..e8bb8ef9031a --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/remoteproc-core.yaml @@ -0,0 +1,27 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/remoteproc-core.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Binding(s) for a primary processor applicable to all ancillary + processors + +maintainers: + - Bjorn Andersson + - Mathieu Poirier + +description: + This document defines the bindings used by a primary processor to determine + the state it should leave an ancillary processor when the former is no longer + functioning. + +properties: + autonomous-on-core-reboot: + $ref: /schemas/types.yaml#/definitions/flag + description: + When specified the ancillary processor should be left operational when + the primary processor is no longer available. Otherwise the ancillary + processor should be made inoperative. + +additionalProperties: true -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel