[PATCH v2 2/2] ARM: dts: owl-s500-roseapplepi: Add ethernet support
From: Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
Date: 2021-06-11 09:12:49
Also in:
linux-devicetree, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add pinctrl configuration for enabling the Ethernet MAC on RoseapplePi SBC. Additionally, provide the necessary properties for the generic S500 ethernet node in order to setup PHY and MDIO. Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@gmail.com> --- arch/arm/boot/dts/owl-s500-roseapplepi.dts | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+)
diff --git a/arch/arm/boot/dts/owl-s500-roseapplepi.dts b/arch/arm/boot/dts/owl-s500-roseapplepi.dts
index b8c5db2344aa..eb555f385283 100644
--- a/arch/arm/boot/dts/owl-s500-roseapplepi.dts
+++ b/arch/arm/boot/dts/owl-s500-roseapplepi.dts@@ -225,6 +225,27 @@ bias1-pinconf { bias-pull-down; }; }; + + ethernet_pins: ethernet-pins { + eth_rmii-pinmux { + groups = "rmii_txd0_mfp", "rmii_txd1_mfp", + "rmii_rxd0_mfp", "rmii_rxd1_mfp", + "rmii_txen_mfp", "rmii_rxen_mfp", + "rmii_crs_dv_mfp", "rmii_ref_clk_mfp"; + function = "eth_rmii"; + }; + + phy_clk-pinmux { + groups = "clko_25m_mfp"; + function = "clko_25m"; + }; + + ref_clk-pinconf { + groups = "rmii_ref_clk_drv"; + drive-strength = <2>; + }; + + }; }; /* uSD */
@@ -241,6 +262,30 @@ &mmc0 { vqmmc-supply = <&sd_vcc>; }; +ðernet { + pinctrl-names = "default"; + pinctrl-0 = <ðernet_pins>; + phy-mode = "rmii"; + phy-handle = <ð_phy>; + status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + reset-gpios = <&pinctrl 88 GPIO_ACTIVE_LOW>; /* GPIOC24 */ + reset-delay-us = <10000>; + reset-post-delay-us = <150000>; + + eth_phy: ethernet-phy@3 { + reg = <0x3>; + max-speed = <100>; + interrupt-parent = <&sirq>; + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + }; + }; +}; + &twd_timer { status = "okay"; };
--
2.32.0
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