arm64: amlogic: dts: add special x96max plus board (with ip1001m phy)

unifreq · Apr 27, 2022 · bca00ac · bca00ac
1 parent a9929b4
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diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
@@ -92,6 +92,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-sm1-x96-air.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-x96-air-gbit.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-x96-max-plus.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-x96-max-plus-oc.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-sm1-x96-max-plus-ip1001m.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-x96-max-plus-100m.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-h96-max-x3.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-h96-max-x3-oc.dtb

diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-x96-max-plus-ip1001m.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-x96-max-plus-ip1001m.dts
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre SAS. All rights reserved.
+ * Copyright (c) 2020 Christian Hewitt <christianshewitt@gmail.com>
+ * Copyright (c) 2022 flippy <uniqfreq@gmail.com>
+ */
+
+/dts-v1/;
+
+#include "meson-sm1-x96-max-plus-oc.dts"
+
+&ethmac {
+ phy-mode = "rgmii-txid";
+ /* After a simple testing, temporarily set rx-internal-delay-ps to 2800 ps, 
+ * if anyone finds a more suitable value please let me know.
+ */
+ rx-internal-delay-ps = <2800>;
+};
+
+&ext_mdio {
+ /delete-node/ ethernet-phy@0;
+
+ external_phy: ethernet-phy@3 {
+ /* ICPlus IP1001M */
+ reg = <3>;
+ max-speed = <1000>;
+
+ reset-assert-us = <10000>;
+ reset-deassert-us = <80000>;
+ reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
+
+ interrupt-parent = <&gpio_intc>;
+ /* MAC_INTR on GPIOZ_14 */
+ interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
+ };
+};