[PATCH v2 5/5] WIP! arm64: dts: renesas: falcon: Add Ethernet-AVB1-5 support

From: Wolfram Sang
Date: Thu Jan 21 2021 - 05:09:06 EST


PHYs on the subboard could not be reached via remote access. But this is
the latest DTS snipplet with some fixes suggested by Geert as a starting
point. Not for upstream yet!

Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
Change since v1:

* new patch
* removed rxc-skew-ps property
* renamed phy-addresses to 0 ('@0')
* dropped '_tx' suffix from 'pins_mii' config
* added 'okay' status
* moved entries to Falcon CPU dtsi

.../boot/dts/renesas/r8a779a0-falcon-cpu.dtsi | 160 ++++++++++++++++++
1 file changed, 160 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
index f96b03f39787..0059381443f6 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779a0-falcon-cpu.dtsi
@@ -50,6 +50,81 @@ phy0: ethernet-phy@0 {
};
};

+&avb1 {
+ pinctrl-0 = <&avb1_pins>;
+ pinctrl-names = "default";
+ phy-handle = <&phy1>;
+ phy-mode = "rgmii-txid";
+ status = "okay";
+
+ phy1: ethernet-phy@0 {
+ reg = <0>;
+ interrupt-parent = <&gpio5>;
+ interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
+ reset-gpios = <&gpio5 15 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&avb2 {
+ pinctrl-0 = <&avb2_pins>;
+ pinctrl-names = "default";
+ phy-handle = <&phy2>;
+ phy-mode = "rgmii-txid";
+ status = "okay";
+
+ phy2: ethernet-phy@0 {
+ reg = <0>;
+ interrupt-parent = <&gpio6>;
+ interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
+ reset-gpios = <&gpio6 15 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&avb3 {
+ pinctrl-0 = <&avb3_pins>;
+ pinctrl-names = "default";
+ phy-handle = <&phy3>;
+ phy-mode = "rgmii-txid";
+ status = "okay";
+
+ phy3: ethernet-phy@0 {
+ reg = <0>;
+ interrupt-parent = <&gpio7>;
+ interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
+ reset-gpios = <&gpio7 15 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&avb4 {
+ pinctrl-0 = <&avb4_pins>;
+ pinctrl-names = "default";
+ phy-handle = <&phy4>;
+ phy-mode = "rgmii-txid";
+ status = "okay";
+
+ phy4: ethernet-phy@0 {
+ reg = <0>;
+ interrupt-parent = <&gpio8>;
+ interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
+ reset-gpios = <&gpio8 15 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&avb5 {
+ pinctrl-0 = <&avb5_pins>;
+ pinctrl-names = "default";
+ phy-handle = <&phy5>;
+ phy-mode = "rgmii-txid";
+ status = "okay";
+
+ phy5: ethernet-phy@0 {
+ reg = <0>;
+ interrupt-parent = <&gpio9>;
+ interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
+ reset-gpios = <&gpio9 15 GPIO_ACTIVE_LOW>;
+ };
+};
+
&extal_clk {
clock-frequency = <16666666>;
};
@@ -133,6 +208,91 @@ pins_mii {

};

+ avb1_pins: avb1 {
+ mux {
+ groups = "avb1_link", "avb1_mdio", "avb1_rgmii", "avb1_txcrefclk";
+ function = "avb1";
+ };
+
+ pins_mdio {
+ groups = "avb1_mdio";
+ drive-strength = <21>;
+ };
+
+ pins_mii {
+ groups = "avb1_rgmii";
+ drive-strength = <21>;
+ };
+ };
+
+ avb2_pins: avb2 {
+ mux {
+ groups = "avb2_link", "avb2_mdio", "avb2_rgmii", "avb2_txcrefclk";
+ function = "avb2";
+ };
+
+ pins_mdio {
+ groups = "avb2_mdio";
+ drive-strength = <21>;
+ };
+
+ pins_mii {
+ groups = "avb2_rgmii";
+ drive-strength = <21>;
+ };
+ };
+
+ avb3_pins: avb3 {
+ mux {
+ groups = "avb3_link", "avb3_mdio", "avb3_rgmii", "avb3_txcrefclk";
+ function = "avb3";
+ };
+
+ pins_mdio {
+ groups = "avb3_mdio";
+ drive-strength = <21>;
+ };
+
+ pins_mii {
+ groups = "avb3_rgmii";
+ drive-strength = <21>;
+ };
+ };
+
+ avb4_pins: avb4 {
+ mux {
+ groups = "avb4_link", "avb4_mdio", "avb4_rgmii", "avb4_txcrefclk";
+ function = "avb4";
+ };
+
+ pins_mdio {
+ groups = "avb4_mdio";
+ drive-strength = <21>;
+ };
+
+ pins_mii {
+ groups = "avb4_rgmii";
+ drive-strength = <21>;
+ };
+ };
+
+ avb5_pins: avb5 {
+ mux {
+ groups = "avb5_link", "avb5_mdio", "avb5_rgmii", "avb5_txcrefclk";
+ function = "avb5";
+ };
+
+ pins_mdio {
+ groups = "avb5_mdio";
+ drive-strength = <21>;
+ };
+
+ ins_mii {
+ groups = "avb5_rgmii";
+ drive-strength = <21>;
+ };
+ };
+
i2c0_pins: i2c0 {
groups = "i2c0";
function = "i2c0";
--
2.29.2