From patchwork Fri Apr 12 09:29:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vignesh Raghavendra X-Patchwork-Id: 10897695 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 16675922 for ; Fri, 12 Apr 2019 09:30:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E60222890C for ; Fri, 12 Apr 2019 09:30:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D733E28B7E; Fri, 12 Apr 2019 09:30:37 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 4DC2A2890C for ; Fri, 12 Apr 2019 09:30:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.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=6hzcxUFcjVpRRtpwflu5z74V3MvVM/jDZGnltEmEHf4=; b=OMWYGrjeXGzfML bKlMleNW0ZAOHoN3FQFeJ9c9MoqSAbGUHq8slcpULSc8SUkZhYJcXKXvgJGEagkZt1SJzd7vSxoWu PRxbJcqOjPqhqwlLAeJFU9HXHsd50WV96ePaL3HHPR24bhX0zPjDTmQ8uFWAVso2vY+Y8EQUhLopy o6M+tBgZJE/OCsF7CE1yyijRnSLNpop26p2dKr++Gn+QOf4B5EGtNfvYEDPKyCbWopQU2Z+X+Hj3w +QWkSZGusSEonf/FbTry0Da7rlKWzLYu1njU2Z3Dd7pC+YLLIhZIOTHrazyazePTHFPQb4cOk4nLT hqvbqi3K8SyuWmFUIcmg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hEsW0-0000X1-Kv; Fri, 12 Apr 2019 09:30:32 +0000 Received: from lelv0143.ext.ti.com ([198.47.23.248]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hEsUp-0006Cv-Ta; Fri, 12 Apr 2019 09:29:50 +0000 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id x3C9TBAa070966; Fri, 12 Apr 2019 04:29:11 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1555061351; bh=asnU647SbSxNVpYJJFri++AE/jmwSHAWc7UkxrDjmwY=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=TGbve7mVSU5Kzb+wTM1rvbSm3rcuwXr8dfzZD9zr+xHlhlbQ8SFa/JzhCJG4qD0dW lnNqGi4a++e/1+HS//J8Pf5tx3NS9/n+ahdTanKvrlEV0CszIH3okG/r2O4gkna/Rb aWKR03lIeK7j6gn/9nQHBvky/KNRda+GXtlPoHrM= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x3C9TBiD120591 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 12 Apr 2019 04:29:11 -0500 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Fri, 12 Apr 2019 04:29:11 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Fri, 12 Apr 2019 04:29:11 -0500 Received: from a0132425.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id x3C9SWmH093202; Fri, 12 Apr 2019 04:29:04 -0500 From: Vignesh Raghavendra To: Vignesh Raghavendra , David Woodhouse , Brian Norris , Boris Brezillon , Marek Vasut , Richard Weinberger , Rob Herring Subject: [PATCH v3 4/5] dt-bindings: mtd: Add bindings for TI's AM654 HyperBus memory controller Date: Fri, 12 Apr 2019 14:59:22 +0530 Message-ID: <20190412092923.24919-5-vigneshr@ti.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190412092923.24919-1-vigneshr@ti.com> References: <20190412092923.24919-1-vigneshr@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190412_022920_579777_1CBFCAA7 X-CRM114-Status: GOOD ( 17.83 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Sergei Shtylyov , Tudor Ambarus , nsekhar@ti.com, linux-kernel@vger.kernel.org, Joakim Tjernlund , linux-mtd@lists.infradead.org, Miquel Raynal , Mason Yang , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add binding documentation for TI's HyperBus memory controller present on AM654 SoC. Signed-off-by: Vignesh Raghavendra --- .../devicetree/bindings/mtd/ti,am654-hbmc.txt | 31 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt diff --git a/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt b/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt new file mode 100644 index 000000000000..00888482df25 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt @@ -0,0 +1,31 @@ +Bindings for HyperBus Memory Controller (HBMC) on TI's K3 family of SoCs + +Required properties: +- compatible : "ti,am654-hbmc" for AM654 SoC +- reg : Two entries: + First entry pointed to the register space of HBMC controller + Second entry pointing to the memory map region dedicated for + MMIO access to attached flash devices +- ranges : Address range allocated for each chipselect in the MMIO space + +Optional properties: +- mux-controls: phandle to the multiplexer that controls selection of + HBMC vs OSPI. Mux state of 1 indicates HBMC is selected. + +Example: + hbmc: hbmc@47034000 { + compatible = "ti,am654-hbmc"; + reg = <0x0 0x47034000 0x0 0x100>, + <0x5 0x00000000 0x1 0x0000000>; + power-domains = <&k3_pds 55>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x5 0x00000000 0x4000000>, /* CS0 - 64MB */ + <0x1 0x5 0x04000000 0x4000000>; /* CS1 - 64MB + + /* Slave flash node */ + flash@0{ + compatible = "cypress,hyperflash"; + reg = <0x0 0x4000000>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 7aa1b3454a89..07455035fca9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7249,6 +7249,7 @@ S: Supported F: drivers/mtd/hyperbus/ F: include/linux/mtd/hyperbus.h F: Documentation/devicetree/bindings/mtd/cypress,hyperbus.txt +F: Documentation/devicetree/bindings/mtd/ti,am654-hbmc.txt HYPERVISOR VIRTUAL CONSOLE DRIVER L: linuxppc-dev@lists.ozlabs.org