diff options
| author | Thanh Quan <thanh.quan.xn@renesas.com> | 2024-02-11 17:30:46 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2024-02-22 13:06:33 +0300 |
| commit | 63275d848a6e883c6d37843cfed2504013cc6f0b (patch) | |
| tree | a46dfc02327fdd3abee308d377bb04d8718b69ad /arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts | |
| parent | 243066ecc0f114fa54a44765ac1c6f900ab97660 (diff) | |
| download | linux-63275d848a6e883c6d37843cfed2504013cc6f0b.tar.xz | |
arm64: dts: renesas: gray-hawk-single: Add Ethernet support
Describe the wiring of the first Ethernet AVB instance to the Micrel
KSZ9031RNXVB PHY.
Signed-off-by: Thanh Quan <thanh.quan.xn@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/b83b21b6477a0e31f99eaedbd36c03014b72ec8a.1707661382.git.geert+renesas@glider.be
Diffstat (limited to 'arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts index 5a7e1bea9f66..c900ccd18573 100644 --- a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts +++ b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts @@ -7,6 +7,9 @@ */ /dts-v1/; + +#include <dt-bindings/gpio/gpio.h> + #include "r8a779h0.dtsi" / { @@ -15,6 +18,7 @@ aliases { serial0 = &hscif0; + ethernet0 = &avb0; }; chosen { @@ -34,6 +38,24 @@ }; }; +&avb0 { + pinctrl-0 = <&avb0_pins>; + pinctrl-names = "default"; + phy-handle = <&phy0>; + tx-internal-delay-ps = <2000>; + status = "okay"; + + phy0: ethernet-phy@0 { + compatible = "ethernet-phy-id0022.1622", + "ethernet-phy-ieee802.3-c22"; + rxc-skew-ps = <1500>; + reg = <0>; + interrupt-parent = <&gpio7>; + interrupts = <5 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>; + }; +}; + &extal_clk { clock-frequency = <16666666>; }; @@ -90,6 +112,24 @@ pinctrl-0 = <&scif_clk_pins>; pinctrl-names = "default"; + avb0_pins: avb0 { + mux { + groups = "avb0_link", "avb0_mdio", "avb0_rgmii", + "avb0_txcrefclk"; + function = "avb0"; + }; + + pins_mdio { + groups = "avb0_mdio"; + drive-strength = <21>; + }; + + pins_mii { + groups = "avb0_rgmii"; + drive-strength = <21>; + }; + }; + hscif0_pins: hscif0 { groups = "hscif0_data", "hscif0_ctrl"; function = "hscif0"; |