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 facfc0b884d71f8c78b68294a7252b0cf016b7bb..b0f3fa5649676cca392ce9997e600e7ae1e4ca0e 100644 (file)
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -1377,6 +1377,7 @@ ethernet0: ethernet@5800a000 {
                        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";