From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.ibm.com (client-ip=148.163.158.5; helo=mx0a-001b2d01.pphosted.com; envelope-from=eajames@linux.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 48hnWD5c8DzDqbx for ; Wed, 18 Mar 2020 09:13:44 +1100 (AEDT) Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 02HM3Xu0049309; Tue, 17 Mar 2020 18:13:42 -0400 Received: from ppma05wdc.us.ibm.com (1b.90.2fa9.ip4.static.sl-reverse.com [169.47.144.27]) by mx0a-001b2d01.pphosted.com with ESMTP id 2ytb221sr2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Mar 2020 18:13:41 -0400 Received: from pps.filterd (ppma05wdc.us.ibm.com [127.0.0.1]) by ppma05wdc.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id 02HMA77H026407; Tue, 17 Mar 2020 22:13:41 GMT Received: from b01cxnp22035.gho.pok.ibm.com (b01cxnp22035.gho.pok.ibm.com [9.57.198.25]) by ppma05wdc.us.ibm.com with ESMTP id 2yrpw6bq6c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Mar 2020 22:13:41 +0000 Received: from b01ledav004.gho.pok.ibm.com (b01ledav004.gho.pok.ibm.com [9.57.199.109]) by b01cxnp22035.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 02HMDeOo52822428 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Mar 2020 22:13:40 GMT Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D576B112067; Tue, 17 Mar 2020 22:13:40 +0000 (GMT) Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 75CDB112069; Tue, 17 Mar 2020 22:13:40 +0000 (GMT) Received: from ghost4.ibm.com (unknown [9.163.52.216]) by b01ledav004.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 17 Mar 2020 22:13:40 +0000 (GMT) From: Eddie James To: openbmc@lists.ozlabs.org Subject: [PATCH linux dev-5.4 05/16] dt-bindings: soc: Add Aspeed XDMA Engine Date: Tue, 17 Mar 2020 17:13:25 -0500 Message-Id: <20200317221336.19973-6-eajames@linux.ibm.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20200317221336.19973-1-eajames@linux.ibm.com> References: <20200317221336.19973-1-eajames@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.645 definitions=2020-03-17_09:2020-03-17, 2020-03-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 spamscore=0 mlxlogscore=999 phishscore=0 impostorscore=0 bulkscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 suspectscore=1 adultscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2003170082 X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Mar 2020 22:13:45 -0000 Document the bindings for the Aspeed AST25XX and AST26XX XDMA engine. Signed-off-by: Eddie James Reviewed-by: Rob Herring --- .../devicetree/bindings/soc/aspeed/xdma.txt | 40 +++++++++++++++++++ MAINTAINERS | 6 +++ 2 files changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/aspeed/xdma.txt diff --git a/Documentation/devicetree/bindings/soc/aspeed/xdma.txt b/Documentation/devicetree/bindings/soc/aspeed/xdma.txt new file mode 100644 index 000000000000..074bda546e2b --- /dev/null +++ b/Documentation/devicetree/bindings/soc/aspeed/xdma.txt @@ -0,0 +1,40 @@ +Aspeed AST25XX and AST26XX XDMA Engine + +The XDMA Engine embedded in the AST2500 and AST2600 SOCs can perform automatic +DMA operations over PCI between the SOC (acting as a BMC) and a host processor. + +Required properties: + - compatible : must be "aspeed,ast2500-xdma" or + "aspeed,ast2600-xdma" + - reg : contains the address and size of the memory region + associated with the XDMA engine registers + - clocks : clock specifier for the clock associated with the + XDMA engine + - resets : reset specifier for the syscon reset associated with + the XDMA engine + - interrupts-extended : two interrupt cells; the first specifies the global + interrupt for the XDMA engine and the second + specifies the PCI-E reset or PERST interrupt. + - aspeed,scu : a phandle to the syscon node for the system control + unit of the SOC + - memory : contains the address and size of the memory area to + be used by the XDMA engine for DMA operations + +Optional properties: + - pcie-device : should be either "bmc" or "vga", corresponding to + which device should be used by the XDMA engine for + DMA operations. If this property is not set, the XDMA + engine will use the BMC PCI-E device. + +Example: + + xdma@1e6e7000 { + compatible = "aspeed,ast2500-xdma"; + reg = <0x1e6e7000 0x100>; + clocks = <&syscon ASPEED_CLK_GATE_BCLK>; + resets = <&syscon ASPEED_RESET_XDMA>; + interrupts-extended = <&vic 6>, <&scu_ic ASPEED_AST2500_SCU_IC_PCIE_RESET_LO_TO_HI>; + aspeed,scu = <&syscon>; + pcie-device = "bmc"; + memory = <0x9f000000 0x01000000>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index be086561c694..01bd161f1d56 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2665,6 +2665,12 @@ S: Maintained F: drivers/media/platform/aspeed-video.c F: Documentation/devicetree/bindings/media/aspeed-video.txt +ASPEED XDMA ENGINE DRIVER +M: Eddie James +L: linux-aspeed@lists.ozlabs.org (moderated for non-subscribers) +S: Maintained +F: Documentation/devicetree/bindings/soc/aspeed/xdma.txt + ASUS NOTEBOOKS AND EEEPC ACPI/WMI EXTRAS DRIVERS M: Corentin Chary L: acpi4asus-user@lists.sourceforge.net -- 2.24.0