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Message-ID: <1618241456-27200-4-git-send-email-bpeled@marvell.com>
Date:   Mon, 12 Apr 2021 18:30:54 +0300
From:   <bpeled@...vell.com>
To:     <thomas.petazzoni@...tlin.com>, <lorenzo.pieralisi@....com>,
        <bhelgaas@...gle.com>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-pci@...r.kernel.org>,
        <sebastian.hesselbarth@...il.com>, <gregory.clement@...tlin.com>,
        <andrew@...n.ch>, <robh+dt@...nel.org>, <mw@...ihalf.com>,
        <jaz@...ihalf.com>, <kostap@...vell.com>, <nadavh@...vell.com>,
        <stefanc@...vell.com>, <oferh@...vell.com>, <bpeled@...vell.com>
Subject: [”PATCH” 3/5] dt-bindings: pci: add system controller and MAC reset bit to Armada 7K/8K controller bindings

From: Ben Peled <bpeled@...vell.com>

Adding optional system-controller and mac-reset-bit-mask
needed for linkdown procedure.

Signed-off-by: Ben Peled <bpeled@...vell.com>
---
 Documentation/devicetree/bindings/pci/pci-armada8k.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/pci-armada8k.txt b/Documentation/devicetree/bindings/pci/pci-armada8k.txt
index 7a813d0..2696e79 100644
--- a/Documentation/devicetree/bindings/pci/pci-armada8k.txt
+++ b/Documentation/devicetree/bindings/pci/pci-armada8k.txt
@@ -24,6 +24,10 @@ Optional properties:
 - phy-names: names of the PHYs corresponding to the number of lanes.
 	Must be "cp0-pcie0-x4-lane0-phy", "cp0-pcie0-x4-lane1-phy" for
 	2 PHYs.
+- marvell,system-controller: address of system controller needed
+	in order to reset MAC used by link-down handle
+- marvell,mac-reset-bit-mask: MAC reset bit of system controller
+	needed in order to reset MAC used by link-down handle
 
 Example:
 
@@ -45,4 +49,6 @@ Example:
 		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
 		num-lanes = <1>;
 		clocks = <&cpm_syscon0 1 13>;
+		marvell,system-controller = <&CP11X_LABEL(syscon0)>;
+		marvell,mac-reset-bit-mask = <CP11X_PCIEx_MAC_RESET_BIT_MASK(1)>;
 	};
-- 
2.7.4

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