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Message-Id: <20220905192310.22786-4-pali@kernel.org>
Date: Mon, 5 Sep 2022 21:23:06 +0200
From: Pali Rohár <pali@...nel.org>
To: Bjorn Helgaas <bhelgaas@...gle.com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Andrew Lunn <andrew@...n.ch>,
Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
Gregory Clement <gregory.clement@...tlin.com>,
Russell King <linux@...linux.org.uk>,
Krzysztof Wilczyński <kw@...ux.com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Mauri Sandberg <maukka@....kapsi.fi>
Cc: linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v3 3/7] dt-bindings: PCI: mvebu: Add orion5x compatible
From: Mauri Sandberg <maukka@....kapsi.fi>
Add a compatible string to bindings to indicate that orion5x PCIe is
supported too. Orion requires additional bindings for config space
registers.
Signed-off-by: Mauri Sandberg <maukka@....kapsi.fi>
Signed-off-by: Pali Rohár <pali@...nel.org>
---
Changes in v3:
* Add more detailed information about MMIO registers
---
Documentation/devicetree/bindings/pci/mvebu-pci.txt | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/pci/mvebu-pci.txt b/Documentation/devicetree/bindings/pci/mvebu-pci.txt
index 8f0bca42113f..d8d6afc6376a 100644
--- a/Documentation/devicetree/bindings/pci/mvebu-pci.txt
+++ b/Documentation/devicetree/bindings/pci/mvebu-pci.txt
@@ -7,6 +7,7 @@ Mandatory properties:
marvell,armada-xp-pcie
marvell,dove-pcie
marvell,kirkwood-pcie
+ marvell,orion5x-pcie
- #address-cells, set to <3>
- #size-cells, set to <2>
- #interrupt-cells, set to <1>
@@ -60,7 +61,8 @@ PCIe interface, having the following mandatory properties:
- reg: used only for interrupt mapping, so only the first four bytes
are used to refer to the correct bus number and device number.
- assigned-addresses: reference to the MMIO registers used to control
- this PCIe interface.
+ this PCIe interface. first value controls internal registers and
+ second value (Orion-specific) controls config space registers.
- clocks: the clock associated to this PCIe interface
- marvell,pcie-port: the physical PCIe port number
- status: either "disabled" or "okay"
--
2.20.1
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