[PATCH v3 13/17] arm64: dts: mediatek: add ethernet support for mt8365-evk

Alexandre Mergnat
2023-03-29T08:56:07Z

- Enable "vibr" and "vsim2" regulators to power the ethernet chip.

Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
---
arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 57 +++++++++++++++++++++++++++++
1 file changed, 57 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
index 868ee0d160e4..1820daad6da3 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
@@ -88,6 +88,28 @@ optee_reserved: optee@43200000 {
};
};

+&ethernet {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ethernet_pins>;
+ phy-handle = <&eth_phy>;
+ phy-mode = "rmii";
+ /*
+ * Ethernet and HDMI (DSI0) are sharing pins.
+ * Only one can be enabled at a time and require the physical switch
+ * SW2101 to be set on LAN position
+ */
+ status = "disabled";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ eth_phy: ethernet-phy@0 {
+ reg = <0>;
+ };
+ };
+};
+
&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins>;
@@ -140,12 +162,47 @@ &mt6357_pmic {
#interrupt-cells = <2>;
};

+/* Needed by analog switch (multiplexer), HDMI and ethernet */
+&mt6357_vibr_reg {
+ regulator-always-on;
+};
+
/* Needed by MSDC1 */
&mt6357_vmc_reg {
regulator-always-on;
};

+/* Needed by ethernet */
+&mt6357_vsim2_reg {
+ regulator-always-on;
+};
+
&pio {
+ ethernet_pins: ethernet-pins {
+ phy_reset_pins {
+ pinmux = <MT8365_PIN_133_TDM_TX_DATA1__FUNC_GPIO133>;
+ };
+
+ rmii_pins {
+ pinmux = <MT8365_PIN_0_GPIO0__FUNC_EXT_TXD0>,
+ <MT8365_PIN_1_GPIO1__FUNC_EXT_TXD1>,
+ <MT8365_PIN_2_GPIO2__FUNC_EXT_TXD2>,
+ <MT8365_PIN_3_GPIO3__FUNC_EXT_TXD3>,
+ <MT8365_PIN_4_GPIO4__FUNC_EXT_TXC>,
+ <MT8365_PIN_5_GPIO5__FUNC_EXT_RXER>,
+ <MT8365_PIN_6_GPIO6__FUNC_EXT_RXC>,
+ <MT8365_PIN_7_GPIO7__FUNC_EXT_RXDV>,
+ <MT8365_PIN_8_GPIO8__FUNC_EXT_RXD0>,
+ <MT8365_PIN_9_GPIO9__FUNC_EXT_RXD1>,
+ <MT8365_PIN_10_GPIO10__FUNC_EXT_RXD2>,
+ <MT8365_PIN_11_GPIO11__FUNC_EXT_RXD3>,
+ <MT8365_PIN_12_GPIO12__FUNC_EXT_TXEN>,
+ <MT8365_PIN_13_GPIO13__FUNC_EXT_COL>,
+ <MT8365_PIN_14_GPIO14__FUNC_EXT_MDIO>,
+ <MT8365_PIN_15_GPIO15__FUNC_EXT_MDC>;
+ };
+ };
+
gpio_keys: gpio-keys-pins {
pins {
pinmux = <MT8365_PIN_24_KPCOL0__FUNC_KPCOL0>;

--
2.25.1