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riscv: dts: spacemit: Add ethernet device for K3

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Add all ethernet device nodes for K3 SoC.

Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Reviewed-by: Yixun Lan <dlan@kernel.org>
Link: https://lore.kernel.org/r/20260326014617.1011732-1-inochiama@gmail.com
Signed-off-by: Yixun Lan <dlan@kernel.org>
This commit is contained in:
Inochi Amaoto 2026-03-26 09:46:17 +08:00 committed by Yixun Lan
parent c68360c0d6
commit 74657a3769
3 changed files with 171 additions and 0 deletions
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20
arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
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@ -3,6 +3,7 @@
* Copyright (c) 2026 SpacemiT (Hangzhou) Technology Co. Ltd
* Copyright (c) 2026 Guodong Xu <guodong@riscstar.com>
*/
#include <dt-bindings/gpio/gpio.h>
#include "k3.dtsi"
#include "k3-pinctrl.dtsi"
@ -12,6 +13,7 @@ / {
compatible = "spacemit,k3-pico-itx", "spacemit,k3";
aliases {
ethernet0 = &eth0;
serial0 = &uart0;
};
@ -25,6 +27,24 @@ memory@100000000 {
};
};
&eth0 {
pinctrl-names = "default";
pinctrl-0 = <&gmac0_rgmii_0_cfg>, <&gmac0_phy_0_cfg>;
phy-mode = "rgmii-id";
phy-handle = <&phy0>;
status = "okay";
mdio {
phy0: phy@1 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <1>;
reset-gpios = <&gpio 0 15 GPIO_ACTIVE_LOW>;
reset-assert-us = <10000>;
reset-deassert-us = <10000>;
};
};
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_0_cfg>;

34
arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi
View File

@ -11,6 +11,40 @@
#define K3_GPIO(x) (x / 32) (x % 32)
&pinctrl {
gmac0_rgmii_0_cfg: gmac0-rgmii-0-cfg {
gmac0-rgmii-0-pins {
pinmux = <K3_PADCONF(0, 1)>, /* gmac0_rxdv */
<K3_PADCONF(1, 1)>, /* gmac0_rx_d0 */
<K3_PADCONF(2, 1)>, /* gmac0_rx_d1 */
<K3_PADCONF(3, 1)>, /* gmac0_rx_clk */
<K3_PADCONF(4, 1)>, /* gmac0_rx_d2 */
<K3_PADCONF(5, 1)>, /* gmac0_rx_d3 */
<K3_PADCONF(6, 1)>, /* gmac0_tx_d0 */
<K3_PADCONF(7, 1)>, /* gmac0_tx_d1 */
<K3_PADCONF(8, 1)>, /* gmac0_tx_clk */
<K3_PADCONF(9, 1)>, /* gmac0_tx_d2 */
<K3_PADCONF(10, 1)>, /* gmac0_tx_d3 */
<K3_PADCONF(11, 1)>, /* gmac0_tx_en */
<K3_PADCONF(12, 1)>, /* gmac0_mdc */
<K3_PADCONF(13, 1)>; /* gmac0_mdio */
bias-disable;
drive-strength = <25>;
power-source = <1800>;
};
};
gmac0_phy_0_cfg: gmac0-phy-0-cfg {
gmac0-phy-0-pins {
pinmux = <K3_PADCONF(14, 1)>; /* gmac0_int */
bias-disable;
drive-strength = <25>;
power-source = <1800>;
};
};
/omit-if-no-ref/
uart0_0_cfg: uart0-0-cfg {
uart0-0-pins {

117
arch/riscv/boot/dts/spacemit/k3.dtsi
View File

@ -438,6 +438,123 @@ soc: soc {
dma-noncoherent;
ranges;
eth0: ethernet@cac80000 {
compatible = "spacemit,k3-dwmac", "snps,dwmac-5.40a";
reg = <0x0 0xcac80000 0x0 0x2000>;
clocks = <&syscon_apmu CLK_APMU_EMAC0_BUS>,
<&syscon_apmu CLK_APMU_EMAC0_1588>,
<&syscon_apmu CLK_APMU_EMAC0_RGMII_TX>;
clock-names = "stmmaceth", "ptp_ref", "tx";
interrupts = <131 IRQ_TYPE_LEVEL_HIGH>,
<276 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq", "eth_wake_irq";
resets = <&syscon_apmu RESET_APMU_EMAC0>;
reset-names = "stmmaceth";
rx-fifo-depth = <8192>;
tx-fifo-depth = <8192>;
snps,multicast-filter-bins = <64>;
snps,perfect-filter-entries = <32>;
snps,aal;
snps,tso;
snps,txpbl = <8>;
snps,rxpbl = <8>;
snps,force_sf_dma_mode;
snps,axi-config = <&gmac0_axi_setup>;
spacemit,apmu = <&syscon_apmu 0x3e4 0x3e8>;
status = "disabled";
mdio {
compatible = "snps,dwmac-mdio";
#address-cells = <1>;
#size-cells = <0>;
};
gmac0_axi_setup: stmmac-axi-config {
snps,wr_osr_lmt = <0xf>;
snps,rd_osr_lmt = <0xf>;
/* max axi burst len is 256 */
snps,blen = <256 128 64 32 16 0 0>;
};
};
eth1: ethernet@cac82000 {
compatible = "spacemit,k3-dwmac", "snps,dwmac-5.40a";
reg = <0x0 0xcac82000 0x0 0x2000>;
clocks = <&syscon_apmu CLK_APMU_EMAC1_BUS>,
<&syscon_apmu CLK_APMU_EMAC1_1588>,
<&syscon_apmu CLK_APMU_EMAC1_RGMII_TX>;
clock-names = "stmmaceth", "ptp_ref", "tx";
interrupts = <133 IRQ_TYPE_LEVEL_HIGH>,
<277 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq", "eth_wake_irq";
resets = <&syscon_apmu RESET_APMU_EMAC1>;
reset-names = "stmmaceth";
rx-fifo-depth = <8192>;
tx-fifo-depth = <8192>;
snps,multicast-filter-bins = <64>;
snps,perfect-filter-entries = <32>;
snps,aal;
snps,tso;
snps,txpbl = <8>;
snps,rxpbl = <8>;
snps,force_sf_dma_mode;
snps,axi-config = <&gmac1_axi_setup>;
spacemit,apmu = <&syscon_apmu 0x3ec 0x3f0>;
status = "disabled";
mdio {
compatible = "snps,dwmac-mdio";
#address-cells = <1>;
#size-cells = <0>;
};
gmac1_axi_setup: stmmac-axi-config {
snps,wr_osr_lmt = <0xf>;
snps,rd_osr_lmt = <0xf>;
/* max axi burst len is 256 */
snps,blen = <256 128 64 32 16 0 0>;
};
};
eth2: ethernet@cac8e000 {
compatible = "spacemit,k3-dwmac", "snps,dwmac-5.40a";
reg = <0x0 0xcac8e000 0x0 0x2000>;
clocks = <&syscon_apmu CLK_APMU_EMAC2_BUS>,
<&syscon_apmu CLK_APMU_EMAC2_1588>,
<&syscon_apmu CLK_APMU_EMAC2_RGMII_TX>;
clock-names = "stmmaceth", "ptp_ref", "tx";
interrupts = <130 IRQ_TYPE_LEVEL_HIGH>,
<278 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq", "eth_wake_irq";
resets = <&syscon_apmu RESET_APMU_EMAC2>;
reset-names = "stmmaceth";
rx-fifo-depth = <4096>;
tx-fifo-depth = <4096>;
snps,multicast-filter-bins = <64>;
snps,perfect-filter-entries = <32>;
snps,aal;
snps,tso;
snps,txpbl = <8>;
snps,rxpbl = <8>;
snps,force_sf_dma_mode;
snps,axi-config = <&gmac2_axi_setup>;
spacemit,apmu = <&syscon_apmu 0x248 0x24c>;
status = "disabled";
mdio {
compatible = "snps,dwmac-mdio";
#address-cells = <1>;
#size-cells = <0>;
};
gmac2_axi_setup: stmmac-axi-config {
snps,wr_osr_lmt = <0xf>;
snps,rd_osr_lmt = <0xf>;
/* max axi burst len is 256 */
snps,blen = <256 128 64 32 16 0 0>;
};
};
syscon_apbc: system-controller@d4015000 {
compatible = "spacemit,k3-syscon-apbc";
reg = <0x0 0xd4015000 0x0 0x1000>;