From c720a1f5e6ee8cb39c28435efc0819cec84d6ee2 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Mon, 22 May 2023 16:59:48 +0200 Subject: arm64: zynqmp: Describe TI phy as ethernet-phy-id TI DP83867 is using strapping based on MIO pins. Tristate setup can influence PHY address. That's why switch description with ethernet-phy-id compatible string which enable calling reset. PHY itself setups phy address after power up or reset. Phy reset is done via gpio. Signed-off-by: Michal Simek Link: https://lore.kernel.org/r/b49904649a363f40dc9c4d3fa275e42129562082.1684767562.git.michal.simek@amd.com --- arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revB.dts | 25 ++++++++++++++--------- 1 file changed, 15 insertions(+), 10 deletions(-) (limited to 'arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revB.dts') diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revB.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revB.dts index 63419deb5b33..3c28130909bc 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revB.dts +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revB.dts @@ -2,7 +2,8 @@ /* * dts file for Xilinx ZynqMP ZCU102 RevB * - * (C) Copyright 2016 - 2021, Xilinx, Inc. + * (C) Copyright 2016 - 2022, Xilinx, Inc. + * (C) Copyright 2022 - 2023, Advanced Micro Devices, Inc. * * Michal Simek */ @@ -16,16 +17,20 @@ &gem3 { phy-handle = <&phyc>; - phyc: ethernet-phy@c { - reg = <0xc>; - ti,rx-internal-delay = <0x8>; - ti,tx-internal-delay = <0xa>; - ti,fifo-depth = <0x1>; - ti,dp83867-rxctrl-strap-quirk; - /* reset-gpios = <&tca6416_u97 6 GPIO_ACTIVE_LOW>; */ + mdio: mdio { + phyc: ethernet-phy@c { + #phy-cells = <0x1>; + compatible = "ethernet-phy-id2000.a231"; + reg = <0xc>; + ti,rx-internal-delay = <0x8>; + ti,tx-internal-delay = <0xa>; + ti,fifo-depth = <0x1>; + ti,dp83867-rxctrl-strap-quirk; + reset-gpios = <&tca6416_u97 6 GPIO_ACTIVE_LOW>; + }; + /* Cleanup from RevA */ + /delete-node/ ethernet-phy@21; }; - /* Cleanup from RevA */ - /delete-node/ ethernet-phy@21; }; /* Fix collision with u61 */ -- cgit