linux-kernel - [RFC PATCH 3/3] arm64: dts: armada-3720-turris-mox: Define slot-power-limit for PCIe

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Message-Id: <20210820160023.3243-4-pali@kernel.org>
Date:   Fri, 20 Aug 2021 18:00:23 +0200
From:   Pali Rohár <pali@...nel.org>
To:     Rob Herring <robh@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Marek Behún <kabel@...nel.org>,
        linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH 3/3] arm64: dts: armada-3720-turris-mox: Define slot-power-limit for PCIe

PCIe Slot Power Limit on Turris Mox is 10W.

Signed-off-by: Pali Rohár <pali@...nel.org>
---
 arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
index 86b3025f174b..1db928dff9ec 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
@@ -134,6 +134,7 @@
 	pinctrl-0 = <&pcie_reset_pins &pcie_clkreq_pins>;
 	status = "okay";
 	reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>;
+	slot-power-limit = <10000>;
 	/*
 	 * U-Boot port for Turris Mox has a bug which always expects that "ranges" DT property
 	 * contains exactly 2 ranges with 3 (child) address cells, 2 (parent) address cells and
-- 
2.20.1