Dne sreda, 13. avgust 2025 ob 16:55:35 Srednjeevropski poletni čas je Chen-Yu Tsai napisal(a):
> From: Chen-Yu Tsai <wens@csie.org>
>
> The A523 SoC family has a second ethernet controller, called the
> GMAC200. It is not exposed on all the SoCs in the family.
>
> Add a device node for it. All the hardware specific settings are from
> the vendor BSP.
>
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Best regards,
Jernej
> ---
>
> Changes since v1:
> - Fixed typo in tx-queues-config
> ---
> .../arm64/boot/dts/allwinner/sun55i-a523.dtsi | 55 +++++++++++++++++++
> 1 file changed, 55 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
> index 6b6f2296bdff..449bcafbddcd 100644
> --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
> @@ -180,6 +180,16 @@ rgmii0_pins: rgmii0-pins {
> bias-disable;
> };
>
> + rgmii1_pins: rgmii1-pins {
> + pins = "PJ0", "PJ1", "PJ2", "PJ3", "PJ4",
> + "PJ5", "PJ6", "PJ7", "PJ8", "PJ9",
> + "PJ11", "PJ12", "PJ13", "PJ14", "PJ15";
> + allwinner,pinmux = <5>;
> + function = "gmac1";
> + drive-strength = <40>;
> + bias-disable;
> + };
> +
> uart0_pb_pins: uart0-pb-pins {
> pins = "PB9", "PB10";
> allwinner,pinmux = <2>;
> @@ -601,6 +611,51 @@ mdio0: mdio {
> };
> };
>
> + gmac1: ethernet@4510000 {
> + compatible = "allwinner,sun55i-a523-gmac200",
> + "snps,dwmac-4.20a";
> + reg = <0x04510000 0x10000>;
> + clocks = <&ccu CLK_BUS_EMAC1>, <&ccu CLK_MBUS_EMAC1>;
> + clock-names = "stmmaceth", "mbus";
> + resets = <&ccu RST_BUS_EMAC1>;
> + reset-names = "stmmaceth";
> + interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "macirq";
> + pinctrl-names = "default";
> + pinctrl-0 = <&rgmii1_pins>;
> + power-domains = <&pck600 PD_VO1>;
> + syscon = <&syscon>;
> + snps,fixed-burst;
> + snps,axi-config = <&gmac1_stmmac_axi_setup>;
> + snps,mtl-rx-config = <&gmac1_mtl_rx_setup>;
> + snps,mtl-tx-config = <&gmac1_mtl_tx_setup>;
> + status = "disabled";
> +
> + mdio1: mdio {
> + compatible = "snps,dwmac-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> +
> + gmac1_mtl_rx_setup: rx-queues-config {
> + snps,rx-queues-to-use = <1>;
> +
> + queue0 {};
> + };
> +
> + gmac1_stmmac_axi_setup: stmmac-axi-config {
> + snps,wr_osr_lmt = <0xf>;
> + snps,rd_osr_lmt = <0xf>;
> + snps,blen = <256 128 64 32 16 8 4>;
> + };
> +
> + gmac1_mtl_tx_setup: tx-queues-config {
> + snps,tx-queues-to-use = <1>;
> +
> + queue0 {};
> + };
> + };
> +
> ppu: power-controller@7001400 {
> compatible = "allwinner,sun55i-a523-ppu";
> reg = <0x07001400 0x400>;
>