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[2001:1868:205::9]) by mx.google.com with ESMTPS id r18si4288457igs.82.2015.10.16.08.24.26 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 16 Oct 2015 08:24:27 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org designates 2001:1868:205::9 as permitted sender) client-ip=2001:1868:205::9; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zn6qO-0008PK-VG; Fri, 16 Oct 2015 15:22:56 +0000 Received: from fw-tnat.cambridge.arm.com ([217.140.96.140] helo=cam-smtp0.cambridge.arm.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zn6qE-0007v8-OY for linux-arm-kernel@lists.infradead.org; Fri, 16 Oct 2015 15:22:47 +0000 Received: from e106497-lin.cambridge.arm.com (e106497-lin.cambridge.arm.com [10.2.131.158]) by cam-smtp0.cambridge.arm.com (8.13.8/8.13.8) with ESMTP id t9GFM9Au028704; Fri, 16 Oct 2015 16:22:10 +0100 From: Liviu Dudau To: Will Deacon , Catalin Marinas , Bjorn Helgaas , Mark Rutland , Linus Walleij , Robin Murphy , Rob Herring , Ian Campbell , Kumar Gala , Arnd Bergmann , Jon Medhurst Subject: [PATCH v4 1/3] Documentation: of: Document the bindings used by Juno R1 PCIe host bridge Date: Fri, 16 Oct 2015 16:22:07 +0100 Message-Id: <1445008929-32267-2-git-send-email-Liviu.Dudau@arm.com> X-Mailer: git-send-email 2.6.0 In-Reply-To: <1445008929-32267-1-git-send-email-Liviu.Dudau@arm.com> References: <1445008929-32267-1-git-send-email-Liviu.Dudau@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151016_082247_236524_6E5B1268 X-CRM114-Status: GOOD ( 13.01 ) X-Spam-Score: -4.2 (----) X-Spam-Report: SpamAssassin version 3.4.0 on bombadil.infradead.org summary: Content analysis details: (-4.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [217.140.96.140 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: , List-Help: , List-Subscribe: , Cc: linux-pci , LKML , LAKML , device-tree MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: liviu.dudau@arm.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.46 as permitted sender) smtp.mailfrom=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 ARM's Juno R1 board used PLDA XpressRICH3-AXI IP to implement a PCIe host bridge. Introduce "plda" as vendor prefix for PLDA and document the DT bindings for PLDA XpressRICH3-AXI IP as well as ARM's Juno R1. Signed-off-by: Liviu Dudau Acked-by: Mark Rutland --- Documentation/devicetree/bindings/pci/arm,juno-r1-pcie.txt | 10 ++++++++++ .../devicetree/bindings/pci/plda,xpressrich3-axi.txt | 12 ++++++++++++ Documentation/devicetree/bindings/vendor-prefixes.txt | 1 + 3 files changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/arm,juno-r1-pcie.txt create mode 100644 Documentation/devicetree/bindings/pci/plda,xpressrich3-axi.txt diff --git a/Documentation/devicetree/bindings/pci/arm,juno-r1-pcie.txt b/Documentation/devicetree/bindings/pci/arm,juno-r1-pcie.txt new file mode 100644 index 0000000..f7514c1 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/arm,juno-r1-pcie.txt @@ -0,0 +1,10 @@ +* ARM Juno R1 PCIe interface + +This PCIe host controller is based on PLDA XpressRICH3-AXI IP +and thus inherits all the common properties defined in plda,xpressrich3-axi.txt +as well as the base properties defined in host-generic-pci.txt. + +Required properties: + - compatible: "arm,juno-r1-pcie" + - dma-coherent: The host controller bridges the AXI transactions into PCIe bus + in a manner that makes the DMA operations to appear coherent to the CPUs. diff --git a/Documentation/devicetree/bindings/pci/plda,xpressrich3-axi.txt b/Documentation/devicetree/bindings/pci/plda,xpressrich3-axi.txt new file mode 100644 index 0000000..f3f75bf --- /dev/null +++ b/Documentation/devicetree/bindings/pci/plda,xpressrich3-axi.txt @@ -0,0 +1,12 @@ +* PLDA XpressRICH3-AXI host controller + +The PLDA XpressRICH3-AXI host controller can be configured in a manner that +makes it compliant with the SBSA[1] standard published by ARM Ltd. For those +scenarios, the host-generic-pci.txt bindings apply with the following additions +to the compatible property: + +Required properties: + - compatible: should contain "plda,xpressrich3-axi" to identify the IP used. + + +[1] http://infocenter.arm.com/help/topic/com.arm.doc.den0029a/ diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 82d2ac9..57653eb 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -168,6 +168,7 @@ pericom Pericom Technology Inc. phytec PHYTEC Messtechnik GmbH picochip Picochip Ltd plathome Plat'Home Co., Ltd. +plda PLDA pixcir PIXCIR MICROELECTRONICS Co., Ltd powervr PowerVR (deprecated, use img) qca Qualcomm Atheros, Inc.