[net: ethernet: stmmac: some fixes and optimizations 5/5] ARM: dts: stm32: Enable gating of the MAC TX clock during TX low-power mode on stm32mp157c

[Christophe Roullier]

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

Signed-off-by: Christophe Roullier <christophe.roullier@xxxxxx>
---
 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