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Message-ID: <20191104132533.5153-5-christophe.roullier@st.com>
Date: Mon, 4 Nov 2019 14:25:33 +0100
From: Christophe Roullier <christophe.roullier@...com>
To: <robh@...nel.org>, <davem@...emloft.net>, <joabreu@...opsys.com>,
<mark.rutland@....com>, <mcoquelin.stm32@...il.com>,
<alexandre.torgue@...com>, <peppe.cavallaro@...com>
CC: <linux-stm32@...md-mailman.stormreply.com>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>, <netdev@...r.kernel.org>,
<christophe.roullier@...com>, <andrew@...n.ch>
Subject: [PATCH net-next 4/4] ARM: dts: stm32: Enable gating of the MAC TX clock during TX low-power mode on stm32mp157c
When there is no activity on ethernet phy link, the ETH_GTX_CLK is cut
Signed-off-by: Christophe Roullier <christophe.roullier@...com>
---
arch/arm/boot/dts/stm32mp157c.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
index f13c2348d130..8df2986dd452 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -1334,6 +1334,7 @@
st,syscon = <&syscfg 0x4>;
snps,mixed-burst;
snps,pbl = <2>;
+ snps,en-tx-lpi-clockgating;
snps,axi-config = <&stmmac_axi_config_0>;
snps,tso;
status = "disabled";
--
2.17.1
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