[PATCH 5/5] ARM: dts: stm32: Enable gating of the MAC TX clock during TX low-power mode on stm32mp157c

From: Christophe Roullier
Date: Fri Sep 20 2019 - 01:39:32 EST


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 f51d6222a0e8..d78dfc44a1fb 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -1293,6 +1293,7 @@
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