arm64: dts: imx8mp-evk: disable CLKOUT clock for ENET PHY

According to commit 0a4355c2b7f8 ("net: phy: realtek: add dt property to
disable CLKOUT clock"), diable CLKOUT clock for FEC PHY to save power on
i.MX8MP EVK board.

Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index a7dc0d1..cf03a82 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -100,6 +100,7 @@
                        reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
                        reset-assert-us = <10000>;
                        reset-deassert-us = <80000>;
+                       realtek,clkout-disable;
                };
        };
 };
@@ -123,6 +124,7 @@
                        reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
                        reset-assert-us = <10000>;
                        reset-deassert-us = <80000>;
+                       realtek,clkout-disable;
                };
        };
 };