From: Christophe Roullier <christophe.roullier@st.com>
Date: Mon, 9 Dec 2019 13:58:17 +0000 (+0100)
Subject: ARM: dts: stm32: Enable MAC TX clock gating during TX low-power mode on stm32mp15
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=bf848759fb7877203d0be92b1243dccd447af662;p=linux.git

ARM: dts: stm32: Enable MAC TX clock gating during TX low-power mode on stm32mp15

When there is no activity on ethernet phy link, the ETH_GTX_CLK is cut.

Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
---

diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
index facfc0b884d71..b0f3fa5649676 100644
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -1377,6 +1377,7 @@
 			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";