From: Ray Jui <ray.jui@broadcom.com>
To: Bjorn Helgaas <bhelgaas@google.com>, Bjorn Helgaas <helgaas@kernel.org>
Cc: linux-kernel@vger.kernel.org,
bcm-kernel-feedback-list@broadcom.com, linux-pci@vger.kernel.org,
Alex Barba <alex.barba@broadcom.com>,
Oza Oza <oza.oza@broadcom.com>, Ray Jui <ray.jui@broadcom.com>
Subject: [PATCH v2 09/12] PCI: iproc: Add optional dma-ranges
Date: Mon, 31 Oct 2016 17:38:38 -0700 [thread overview]
Message-ID: <1477960721-17649-10-git-send-email-ray.jui@broadcom.com> (raw)
In-Reply-To: <1477960721-17649-1-git-send-email-ray.jui@broadcom.com>
Add description for optional device tree property 'dma-ranges' for
inbound mapping
Signed-off-by: Oza Oza <oza.oza@broadcom.com>
Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
---
Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
index f827b8d..62a0ab9 100644
--- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
@@ -25,6 +25,9 @@ Optional properties:
- phys: phandle of the PCIe PHY device
- phy-names: must be "pcie-phy"
- dma-coherent: present if DMA operations are coherent
+- dma-ranges: Some PAXB based root complexes do not have inbound mapping done
+ by the ASIC after power on reset. In this case, SW is required to configure
+the mapping, based on inbound memory regions specified by this property
- brcm,pcie-ob: Some iProc SoCs do not have the outbound address mapping done
by the ASIC after power on reset. In this case, SW needs to configure it
--
2.1.4
next prev parent reply other threads:[~2016-11-01 0:38 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-01 0:38 [PATCH v2 00/12] Additional iProc PCIe host support/fixes Ray Jui
2016-11-01 0:38 ` [PATCH v2 01/12] PCI: iproc: Improve core register population Ray Jui
2016-11-01 0:38 ` [PATCH v2 02/12] PCI: iproc: Do not reset PAXC when initializing the driver Ray Jui
2016-11-01 0:38 ` [PATCH v2 03/12] PCI: iproc: Add BCMA type Ray Jui
2016-11-01 0:38 ` [PATCH v2 04/12] PCI: iproc: Fix exception with multi-function devices Ray Jui
2016-11-14 21:52 ` Bjorn Helgaas
2016-11-15 3:39 ` Ray Jui
2016-11-01 0:38 ` [PATCH v2 05/12] PCI: iproc: Added PAXCv2 related binding Ray Jui
2016-11-01 0:38 ` [PATCH v2 06/12] PCI: iproc: Add PAXC v2 support Ray Jui
2016-11-01 0:38 ` [PATCH v2 07/12] PCI: iproc: Remove redundant outbound properties Ray Jui
2016-11-01 0:38 ` [PATCH v2 08/12] PCI: iproc: Making outbound mapping code more generic Ray Jui
2016-11-01 0:38 ` Ray Jui [this message]
2016-11-01 0:38 ` [PATCH v2 10/12] PCI: iproc: Add inbound DMA mapping support Ray Jui
2016-11-01 0:38 ` [PATCH v2 11/12] PCI: iproc: Add PAXBv2 binding info Ray Jui
2016-11-01 0:38 ` [PATCH v2 12/12] PCI: iproc: Add support for the next-gen PAXB controller Ray Jui
2016-11-14 22:08 ` [PATCH v2 00/12] Additional iProc PCIe host support/fixes Bjorn Helgaas
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