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authorCristian Ciocaltea <[email protected]>2021-06-28 12:58:17 +0530
committerArnd Bergmann <[email protected]>2021-08-02 15:22:55 +0200
commit062f82a0b7a760db3fb08f33c9a919c301c2ad9b (patch)
tree4be325b2153fc4a2d1f1ff7f1b6276053c882f45
parentdf5060dce764998800baa085fc1a31c71fa15f2f (diff)
ARM: dts: owl-s500-roseapplepi: Add ethernet support
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 <[email protected]> Signed-off-by: Manivannan Sadhasivam <[email protected]> Reviewed-by: Manivannan Sadhasivam <[email protected]> Link: https://lore.kernel.org/r/d0e1fbf81984127f0352eb740c7129424b5e40f9.1623401998.git.cristian.ciocaltea@gmail.com Link: https://lore.kernel.org/r/[email protected]' Signed-off-by: Arnd Bergmann <[email protected]>
-rw-r--r--arch/arm/boot/dts/owl-s500-roseapplepi.dts45
1 files changed, 45 insertions, 0 deletions
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 @@
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 @@
vqmmc-supply = <&sd_vcc>;
};
+&ethernet {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ethernet_pins>;
+ phy-mode = "rmii";
+ phy-handle = <&eth_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";
};