Re: [v2,PATCH] arm64: dts: mt2712: add ethernet device node

From: Matthias Brugger
Date: Thu May 21 2020 - 06:56:10 EST




On 09/10/2019 09:10, Biao Huang wrote:
> This patch add device node for mt2712 ethernet.
>
> Signed-off-by: Biao Huang <biao.huang@xxxxxxxxxxxx>
> ---

Queued now for v5.7-next/dts64

Thanks!

> arch/arm64/boot/dts/mediatek/mt2712-evb.dts | 74 +++++++++++++++++++++
> arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 65 ++++++++++++++++++
> 2 files changed, 139 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt2712-evb.dts b/arch/arm64/boot/dts/mediatek/mt2712-evb.dts
> index 1353dad2f53c..fd6ab6cc5fe7 100644
> --- a/arch/arm64/boot/dts/mediatek/mt2712-evb.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt2712-evb.dts
> @@ -107,7 +107,81 @@
> proc-supply = <&cpus_fixed_vproc1>;
> };
>
> +&eth {
> + phy-mode ="rgmii-rxid";
> + phy-handle = <&ethernet_phy0>;
> + mediatek,tx-delay-ps = <1530>;
> + snps,reset-gpio = <&pio 87 GPIO_ACTIVE_LOW>;
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&eth_default>;
> + pinctrl-1 = <&eth_sleep>;
> + status = "okay";
> +
> + mdio {
> + compatible = "snps,dwmac-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + ethernet_phy0: ethernet-phy@5 {
> + compatible = "ethernet-phy-id0243.0d90";
> + reg = <0x5>;
> + };
> + };
> +};
> +
> &pio {
> + eth_default: eth_default {
> + tx_pins {
> + pinmux = <MT2712_PIN_71_GBE_TXD3__FUNC_GBE_TXD3>,
> + <MT2712_PIN_72_GBE_TXD2__FUNC_GBE_TXD2>,
> + <MT2712_PIN_73_GBE_TXD1__FUNC_GBE_TXD1>,
> + <MT2712_PIN_74_GBE_TXD0__FUNC_GBE_TXD0>,
> + <MT2712_PIN_75_GBE_TXC__FUNC_GBE_TXC>,
> + <MT2712_PIN_76_GBE_TXEN__FUNC_GBE_TXEN>;
> + drive-strength = <MTK_DRIVE_8mA>;
> + };
> + rx_pins {
> + pinmux = <MT2712_PIN_78_GBE_RXD3__FUNC_GBE_RXD3>,
> + <MT2712_PIN_79_GBE_RXD2__FUNC_GBE_RXD2>,
> + <MT2712_PIN_80_GBE_RXD1__FUNC_GBE_RXD1>,
> + <MT2712_PIN_81_GBE_RXD0__FUNC_GBE_RXD0>,
> + <MT2712_PIN_82_GBE_RXDV__FUNC_GBE_RXDV>,
> + <MT2712_PIN_84_GBE_RXC__FUNC_GBE_RXC>;
> + input-enable;
> + };
> + mdio_pins {
> + pinmux = <MT2712_PIN_85_GBE_MDC__FUNC_GBE_MDC>,
> + <MT2712_PIN_86_GBE_MDIO__FUNC_GBE_MDIO>;
> + drive-strength = <MTK_DRIVE_8mA>;
> + input-enable;
> + };
> + };
> +
> + eth_sleep: eth_sleep {
> + tx_pins {
> + pinmux = <MT2712_PIN_71_GBE_TXD3__FUNC_GPIO71>,
> + <MT2712_PIN_72_GBE_TXD2__FUNC_GPIO72>,
> + <MT2712_PIN_73_GBE_TXD1__FUNC_GPIO73>,
> + <MT2712_PIN_74_GBE_TXD0__FUNC_GPIO74>,
> + <MT2712_PIN_75_GBE_TXC__FUNC_GPIO75>,
> + <MT2712_PIN_76_GBE_TXEN__FUNC_GPIO76>;
> + };
> + rx_pins {
> + pinmux = <MT2712_PIN_78_GBE_RXD3__FUNC_GPIO78>,
> + <MT2712_PIN_79_GBE_RXD2__FUNC_GPIO79>,
> + <MT2712_PIN_80_GBE_RXD1__FUNC_GPIO80>,
> + <MT2712_PIN_81_GBE_RXD0__FUNC_GPIO81>,
> + <MT2712_PIN_82_GBE_RXDV__FUNC_GPIO82>,
> + <MT2712_PIN_84_GBE_RXC__FUNC_GPIO84>;
> + input-disable;
> + };
> + mdio_pins {
> + pinmux = <MT2712_PIN_85_GBE_MDC__FUNC_GPIO85>,
> + <MT2712_PIN_86_GBE_MDIO__FUNC_GPIO86>;
> + input-disable;
> + bias-disable;
> + };
> + };
> +
> usb0_id_pins_float: usb0_iddig {
> pins_iddig {
> pinmux = <MT2712_PIN_12_IDDIG_P0__FUNC_IDDIG_A>;
> diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
> index 43307bad3f0d..b2edec20c8da 100644
> --- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
> @@ -632,6 +632,71 @@
> status = "disabled";
> };
>
> + stmmac_axi_setup: stmmac-axi-config {
> + snps,wr_osr_lmt = <0x7>;
> + snps,rd_osr_lmt = <0x7>;
> + snps,blen = <0 0 0 0 16 8 4>;
> + };
> +
> + mtl_rx_setup: rx-queues-config {
> + snps,rx-queues-to-use = <1>;
> + snps,rx-sched-sp;
> + queue0 {
> + snps,dcb-algorithm;
> + snps,map-to-dma-channel = <0x0>;
> + snps,priority = <0x0>;
> + };
> + };
> +
> + mtl_tx_setup: tx-queues-config {
> + snps,tx-queues-to-use = <3>;
> + snps,tx-sched-wrr;
> + queue0 {
> + snps,weight = <0x10>;
> + snps,dcb-algorithm;
> + snps,priority = <0x0>;
> + };
> + queue1 {
> + snps,weight = <0x11>;
> + snps,dcb-algorithm;
> + snps,priority = <0x1>;
> + };
> + queue2 {
> + snps,weight = <0x12>;
> + snps,dcb-algorithm;
> + snps,priority = <0x2>;
> + };
> + };
> +
> + eth: ethernet@1101c000 {
> + compatible = "mediatek,mt2712-gmac";
> + reg = <0 0x1101c000 0 0x1300>;
> + interrupts = <GIC_SPI 237 IRQ_TYPE_LEVEL_LOW>;
> + interrupt-names = "macirq";
> + mac-address = [00 55 7b b5 7d f7];
> + clock-names = "axi",
> + "apb",
> + "mac_main",
> + "ptp_ref";
> + clocks = <&pericfg CLK_PERI_GMAC>,
> + <&pericfg CLK_PERI_GMAC_PCLK>,
> + <&topckgen CLK_TOP_ETHER_125M_SEL>,
> + <&topckgen CLK_TOP_ETHER_50M_SEL>;
> + assigned-clocks = <&topckgen CLK_TOP_ETHER_125M_SEL>,
> + <&topckgen CLK_TOP_ETHER_50M_SEL>;
> + assigned-clock-parents = <&topckgen CLK_TOP_ETHERPLL_125M>,
> + <&topckgen CLK_TOP_APLL1_D3>;
> + power-domains = <&scpsys MT2712_POWER_DOMAIN_AUDIO>;
> + mediatek,pericfg = <&pericfg>;
> + snps,axi-config = <&stmmac_axi_setup>;
> + snps,mtl-rx-config = <&mtl_rx_setup>;
> + snps,mtl-tx-config = <&mtl_tx_setup>;
> + snps,txpbl = <1>;
> + snps,rxpbl = <1>;
> + clk_csr = <0>;
> + status = "disabled";
> + };
> +
> mmc0: mmc@11230000 {
> compatible = "mediatek,mt2712-mmc";
> reg = <0 0x11230000 0 0x1000>;
>