From patchwork Fri Nov 8 20:18:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eddie James X-Patchwork-Id: 1192175 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 478s8H56rMz9sPf for ; Sat, 9 Nov 2019 07:20:15 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 478s8H3YbCzF6lw for ; Sat, 9 Nov 2019 07:20:15 +1100 (AEDT) X-Original-To: linux-aspeed@lists.ozlabs.org Delivered-To: linux-aspeed@lists.ozlabs.org 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 478s6m3VmvzF3p4 for ; Sat, 9 Nov 2019 07:18:56 +1100 (AEDT) Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id xA8KI87F103765; Fri, 8 Nov 2019 15:18:37 -0500 Received: from ppma04wdc.us.ibm.com (1a.90.2fa9.ip4.static.sl-reverse.com [169.47.144.26]) by mx0b-001b2d01.pphosted.com with ESMTP id 2w5c3yp55b-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 08 Nov 2019 15:18:37 -0500 Received: from pps.filterd (ppma04wdc.us.ibm.com [127.0.0.1]) by ppma04wdc.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id xA8KGbps023252; Fri, 8 Nov 2019 20:18:36 GMT Received: from b01cxnp22035.gho.pok.ibm.com (b01cxnp22035.gho.pok.ibm.com [9.57.198.25]) by ppma04wdc.us.ibm.com with ESMTP id 2w41ujw5ev-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 08 Nov 2019 20:18:36 +0000 Received: from b01ledav001.gho.pok.ibm.com (b01ledav001.gho.pok.ibm.com [9.57.199.106]) by b01cxnp22035.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xA8KIZKd47513992 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 8 Nov 2019 20:18:35 GMT Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C92F12805E; Fri, 8 Nov 2019 20:18:35 +0000 (GMT) Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F32A52805A; Fri, 8 Nov 2019 20:18:34 +0000 (GMT) Received: from talon7.ibm.com (unknown [9.41.103.158]) by b01ledav001.gho.pok.ibm.com (Postfix) with ESMTP; Fri, 8 Nov 2019 20:18:34 +0000 (GMT) From: Eddie James To: linux-kernel@vger.kernel.org Subject: [PATCH 01/12] dt-bindings: interrupt-controller: Add Aspeed SCU interrupt controller Date: Fri, 8 Nov 2019 14:18:22 -0600 Message-Id: <1573244313-9190-2-git-send-email-eajames@linux.ibm.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1573244313-9190-1-git-send-email-eajames@linux.ibm.com> References: <1573244313-9190-1-git-send-email-eajames@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-11-08_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=799 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1910280000 definitions=main-1911080195 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, jason@lakedaemon.net, linux-aspeed@lists.ozlabs.org, maz@kernel.org, robh+dt@kernel.org, tglx@linutronix.de Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Document the Aspeed SCU interrupt controller and add an include file for the interrupts it provides. Signed-off-by: Eddie James --- .../interrupt-controller/aspeed,ast2xxx-scu-ic.txt | 26 ++++++++++++++++++++++ MAINTAINERS | 7 ++++++ .../interrupt-controller/aspeed-scu-ic.h | 23 +++++++++++++++++++ 3 files changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2xxx-scu-ic.txt create mode 100644 include/dt-bindings/interrupt-controller/aspeed-scu-ic.h diff --git a/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2xxx-scu-ic.txt b/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2xxx-scu-ic.txt new file mode 100644 index 0000000..baa3780 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2xxx-scu-ic.txt @@ -0,0 +1,26 @@ +Aspeed AST25XX and AST26XX SCU Interrupt Controller + +Required Properties: + - #interrupt-cells : must be 1 + - compatible : must be "aspeed,ast2500-scu-ic", + "aspeed,ast2600-scu-ic0" or + "aspeed,ast2600-scu-ic1" + - reg : address and size of the SCU register + associated with the controller + - interrupts : interrupt from the parent controller + - interrupt-controller : indicates that the controlle receives and + fires new interrupts for child busses + +Example: + + syscon@1e6e2000 { + ranges = <0 0x1e6e2000 0x1a8>; + + scu_ic: interrupt-controller@18 { + #interrupt-cells = <1>; + compatible = "aspeed,ast2500-scu-ic"; + reg = <0x18 0x04>; + interrupts = <21>; + interrupt-controller; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index c4c532c..1cb976f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2675,6 +2675,13 @@ S: Maintained F: drivers/pinctrl/aspeed/ F: Documentation/devicetree/bindings/pinctrl/aspeed,* +ASPEED SCU INTERRUPT CONTROLLER DRIVER +M: Eddie James +L: linux-aspeed@lists.ozlabs.org (moderated for non-subscribers) +S: Maintained +F: Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2xxx-scu-ic.txt +F: include/dt-bindings/interrupt-controller/aspeed-scu-ic.h + ASPEED VIDEO ENGINE DRIVER M: Eddie James L: linux-media@vger.kernel.org diff --git a/include/dt-bindings/interrupt-controller/aspeed-scu-ic.h b/include/dt-bindings/interrupt-controller/aspeed-scu-ic.h new file mode 100644 index 0000000..f315d5a --- /dev/null +++ b/include/dt-bindings/interrupt-controller/aspeed-scu-ic.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +#ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_ASPEED_SCU_IC_H_ +#define _DT_BINDINGS_INTERRUPT_CONTROLLER_ASPEED_SCU_IC_H_ + +#define ASPEED_SCU_IC_VGA_CURSOR_CHANGE 0 +#define ASPEED_SCU_IC_VGA_SCRATCH_REG_CHANGE 1 + +#define ASPEED_AST2500_SCU_IC_PCIE_RESET_LO_TO_HI 2 +#define ASPEED_AST2500_SCU_IC_PCIE_RESET_HI_TO_LO 3 +#define ASPEED_AST2500_SCU_IC_LPC_RESET_LO_TO_HI 4 +#define ASPEED_AST2500_SCU_IC_LPC_RESET_HI_TO_LO 5 +#define ASPEED_AST2500_SCU_IC_ISSUE_MSI 6 + +#define ASPEED_AST2600_SCU_IC0_PCIE_PERST_LO_TO_HI 2 +#define ASPEED_AST2600_SCU_IC0_PCIE_PERST_HI_TO_LO 3 +#define ASPEED_AST2600_SCU_IC0_PCIE_RCRST_LO_TO_HI 4 +#define ASPEED_AST2600_SCU_IC0_PCIE_RCRST_HI_TO_LO 5 + +#define ASPEED_AST2600_SCU_IC1_LPC_RESET_LO_TO_HI 0 +#define ASPEED_AST2600_SCU_IC1_LPC_RESET_HI_TO_LO 1 + +#endif /* _DT_BINDINGS_INTERRUPT_CONTROLLER_ASPEED_SCU_IC_H_ */