From: Nobuhiro Iwamatsu Date: Thu, 21 Nov 2024 07:13:25 +0000 (+0900) Subject: ARM: dts: socfpga: sodia: Fix mdio bus probe and PHY address X-Git-Tag: v6.17~23^2~5^2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ea9da67e2add7bd5f1e4b38dc2404480e711f4d8;p=thirdparty%2Fkernel%2Fstable.git ARM: dts: socfpga: sodia: Fix mdio bus probe and PHY address On SoCFPGA/Sodia board, mdio bus cannot be probed, so the PHY cannot be found and the network device does not work. ``` stmmaceth ff702000.ethernet eth0: __stmmac_open: Cannot attach to PHY (error: -19) ``` To probe the mdio bus, add "snps,dwmac-mdio" as compatible string of the mdio bus. Also the PHY address connected to this board is 4. Therefore, change to 4. Cc: stable@vger.kernel.org # 6.3+ Signed-off-by: Nobuhiro Iwamatsu Signed-off-by: Dinh Nguyen --- diff --git a/arch/arm/boot/dts/intel/socfpga/socfpga_cyclone5_sodia.dts b/arch/arm/boot/dts/intel/socfpga/socfpga_cyclone5_sodia.dts index ce0d6514eeb57..e4794ccb8e413 100644 --- a/arch/arm/boot/dts/intel/socfpga/socfpga_cyclone5_sodia.dts +++ b/arch/arm/boot/dts/intel/socfpga/socfpga_cyclone5_sodia.dts @@ -66,8 +66,10 @@ mdio0 { #address-cells = <1>; #size-cells = <0>; - phy0: ethernet-phy@0 { - reg = <0>; + compatible = "snps,dwmac-mdio"; + + phy0: ethernet-phy@4 { + reg = <4>; rxd0-skew-ps = <0>; rxd1-skew-ps = <0>; rxd2-skew-ps = <0>;