From patchwork Tue Mar 5 14:24:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabien DESSENNE X-Patchwork-Id: 1051753 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=st.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44DK1L0v2Pz9s47 for ; Wed, 6 Mar 2019 01:25:26 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727980AbfCEOZZ (ORCPT ); Tue, 5 Mar 2019 09:25:25 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:4120 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728366AbfCEOYo (ORCPT ); Tue, 5 Mar 2019 09:24:44 -0500 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x25EHw2q028713; Tue, 5 Mar 2019 15:24:28 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2qyhgasy0a-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 05 Mar 2019 15:24:28 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 90C2D31; Tue, 5 Mar 2019 14:24:27 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas23.st.com [10.75.90.46]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 6C7802CF7; Tue, 5 Mar 2019 14:24:27 +0000 (GMT) Received: from SAFEX1HUBCAS24.st.com (10.75.90.95) by SAFEX1HUBCAS23.st.com (10.75.90.46) with Microsoft SMTP Server (TLS) id 14.3.361.1; Tue, 5 Mar 2019 15:24:27 +0100 Received: from localhost (10.201.23.25) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Tue, 5 Mar 2019 15:24:26 +0100 From: Fabien Dessenne To: Rob Herring , Mark Rutland , Maxime Coquelin , Alexandre Torgue , Ohad Ben-Cohen , Bjorn Andersson , , , , , CC: Fabien Dessenne , Loic Pallardy , Arnaud Pouliquen , "Ludovic Barre" , Benjamin Gaignard Subject: [PATCH 1/8] dt-bindings: stm32: add bindings for ML-AHB interconnect Date: Tue, 5 Mar 2019 15:24:02 +0100 Message-ID: <1551795849-13672-2-git-send-email-fabien.dessenne@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1551795849-13672-1-git-send-email-fabien.dessenne@st.com> References: <1551795849-13672-1-git-send-email-fabien.dessenne@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.25] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-03-05_08:, , signatures=0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document the ML-AHB interconnect for stm32 SoCs. Signed-off-by: Fabien Dessenne --- .../devicetree/bindings/arm/stm32/mlahb.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/stm32/mlahb.txt diff --git a/Documentation/devicetree/bindings/arm/stm32/mlahb.txt b/Documentation/devicetree/bindings/arm/stm32/mlahb.txt new file mode 100644 index 0000000..880cb38 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/stm32/mlahb.txt @@ -0,0 +1,30 @@ +ML-AHB interconnect bindings + +These bindings describe the STM32 SoCs ML-AHB interconnect bus which connects +a Cortex-M subsystem with dedicated memories. + +Required properties: +- compatible: should be "simple-bus" +- ranges: describes memory addresses translation between the local CPU and the + remote Cortex-M processor. Each memory region, is declared with 3 + parameters: + - param 1: device base address (Cortex-M processor address) + - param 2: physical base address (local CPU address) + - param 3: size of the memory region. + +The Cortex-M remote processor accessed via the mlahb interconnect is described +by a child node. + +Example: +mlahb: mlahb@0 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x00000000 0x38000000 0x10000>, + <0x10000000 0x10000000 0x60000>, + <0x30000000 0x30000000 0x60000>; + + m4_rproc: m4@0 { + ... + }; +}; From patchwork Tue Mar 5 14:24:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabien DESSENNE X-Patchwork-Id: 1051752 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=st.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44DK1H0pnyz9s6w for ; Wed, 6 Mar 2019 01:25:23 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728467AbfCEOYp (ORCPT ); Tue, 5 Mar 2019 09:24:45 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:10771 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728367AbfCEOYp (ORCPT ); Tue, 5 Mar 2019 09:24:45 -0500 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x25EHw2r028713; Tue, 5 Mar 2019 15:24:29 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2qyhgasy0j-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 05 Mar 2019 15:24:29 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id A62F438; Tue, 5 Mar 2019 14:24:28 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 793672CF8; Tue, 5 Mar 2019 14:24:28 +0000 (GMT) Received: from SAFEX1HUBCAS24.st.com (10.75.90.95) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.361.1; Tue, 5 Mar 2019 15:24:28 +0100 Received: from localhost (10.201.23.25) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Tue, 5 Mar 2019 15:24:27 +0100 From: Fabien Dessenne To: Rob Herring , Mark Rutland , Maxime Coquelin , Alexandre Torgue , Ohad Ben-Cohen , Bjorn Andersson , , , , , CC: Fabien Dessenne , Loic Pallardy , Arnaud Pouliquen , "Ludovic Barre" , Benjamin Gaignard Subject: [PATCH 2/8] dt-bindings: remoteproc: add bindings for stm32 remote processor driver Date: Tue, 5 Mar 2019 15:24:03 +0100 Message-ID: <1551795849-13672-3-git-send-email-fabien.dessenne@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1551795849-13672-1-git-send-email-fabien.dessenne@st.com> References: <1551795849-13672-1-git-send-email-fabien.dessenne@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.25] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-03-05_08:, , signatures=0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add the device tree bindings document for the stm32 remoteproc devices. Signed-off-by: Fabien Dessenne --- .../devicetree/bindings/remoteproc/stm32-rproc.txt | 67 ++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt diff --git a/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt b/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt new file mode 100644 index 0000000..cc90c88 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt @@ -0,0 +1,67 @@ +STMicroelectronics STM32 Remoteproc +----------------------------------- +This document defines the binding for the remoteproc component that loads and +boots firmwares on the ST32MP family chipset. + +Required properties: +- compatible: Must be "st,stm32mp1-rproc" +- reg: Address ranges of the remote processor dedicated memories. + The parent node should provide an appropriate ranges property + for properly translating these into bus addresses. +- resets: Reference to a reset controller asserting the remote processor. +- reset-names: Must be "mcu_rst" +- st,syscfg-holdboot: Reference to the system configuration which holds the + remote processor reset hold boot + 1st cell: phandle of syscon block + 2nd cell: register offset containing the hold boot setting + 3rd cell: register bitmask for the hold boot field +- st,syscfg-tz: Reference to the system configuration which holds the RCC trust + zone mode + 1st cell: phandle to syscon block + 2nd cell: register offset containing the RCC trust zone mode setting + 3rd cell: register bitmask for the RCC trust zone mode bit + +Optional properties: +- interrupt-parent: phandle to the interrupt controller node. +- interrupts: Should contain the watchdog interrupt +- interrupt-names: Must be "wdg" +- mboxes: List of phandle and mailbox channel specifiers: + - a channel (a) used to communicate through virtqueues with the + remote proc. + Bi-directional channel: + - from local to remote = send message + - from remote to local = send message ack + - a channel (b) working the opposite direction of channel (a) + - a channel (c) used by the local proc to notify the remote proc + that it is about to be shut down. + Mono-directional channel: + - from local to remote, where ACK from the remote means + that it is ready for shutdown +- mbox-names: This property is required if the mboxes property is used. + - must be "vq0" for channel (a) + - must be "vq1" for channel (b) + - must be "shutdown" for channel (c) +- memory-region: list of phandles to the reserved memory regions associated with + the remoteproc device + (see ../reserved-memory/reserved-memory.txt) +- st,syscfg-pdds: Reference to the system configuration which holds the remote + processor deep sleep setting + 1st cell: phandle to syscon block + 2nd cell: register offset containing the deep sleep setting + 3rd cell: register bitmask for the deep sleep bit +- auto_boot: If defined, when remoteproc is probed, it looks for a default + firmware and if it finds some, it loads the firmware and starts + the remote processor. +- recovery: If defined, remoteproc enables the crash recovery process. + +Example: + m4_rproc: m4@0 { + compatible = "st,stm32mp1-rproc"; + reg = <0x00000000 0x10000>, + <0x10000000 0x40000>, + <0x30000000 0x40000>; + resets = <&rcc MCU_R>; + reset-names = "mcu_rst"; + st,syscfg-holdboot = <&rcc 0x10C 0x1>; + st,syscfg-tz = <&rcc 0x000 0x1>; + };