On Sun, Oct 20, 2024 at 07:36:02PM -0700, Drew Fustini wrote:
> From: Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx>
>
> Add gmac, mdio, and phy nodes to enable the gigabit Ethernet ports on
> the BeagleV Ahead and Sipeed Lichee Pi 4a boards.
>
> Signed-off-by: Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx>
> [drew: change apb registers from syscon to second reg of gmac node,
> add phy reset delay properties for beaglev ahead]
> Signed-off-by: Drew Fustini <dfustini@xxxxxxxxxxxxxxx>
> ---
> arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 91 ++++++++++++++++
> .../boot/dts/thead/th1520-lichee-module-4a.dtsi | 119 +++++++++++++++++++++
> arch/riscv/boot/dts/thead/th1520.dtsi | 50 +++++++++
> 3 files changed, 260 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
> index 86feb3df02c8..21c33f165ba9 100644
> --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
> +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
> @@ -15,6 +15,7 @@ / {
> compatible = "beagle,beaglev-ahead", "thead,th1520";
>
> aliases {
> + ethernet0 = &gmac0;
> gpio0 = &gpio0;
> gpio1 = &gpio1;
> gpio2 = &gpio2;
> @@ -98,6 +99,25 @@ &emmc {
> status = "okay";
> };
>
> +&gmac0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&gmac0_pins>;
> + phy-handle = <&phy0>;
> + phy-mode = "rgmii-id";
> + status = "okay";
> +};
> +
> +&mdio0 {
> + phy0: ethernet-phy@1 {
> + reg = <1>;
> + interrupt-parent = <&gpio3>;
> + interrupts = <22 IRQ_TYPE_LEVEL_LOW>;
> + reset-gpios = <&gpio3 21 GPIO_ACTIVE_LOW>;
> + reset-delay-us = <10000>;
> + reset-post-delay-us = <50000>;
> + };
> +};
> +
> &padctrl_aosys {
> led_pins: led-0 {
> led-pins {
> @@ -116,6 +136,77 @@ led-pins {
> };
>
> &padctrl0_apsys {
> + gmac0_pins: gmac0-0 {
> + tx-pins {
> + pins = "GMAC0_TX_CLK",
> + "GMAC0_TXEN",
> + "GMAC0_TXD0",
> + "GMAC0_TXD1",
> + "GMAC0_TXD2",
> + "GMAC0_TXD3";
> + function = "gmac0";
> + bias-disable;
> + drive-strength = <25>;
> + input-disable;
> + input-schmitt-disable;
> + slew-rate = <0>;
> + };
> +
> + rx-pins {
> + pins = "GMAC0_RX_CLK",
> + "GMAC0_RXDV",
> + "GMAC0_RXD0",
> + "GMAC0_RXD1",
> + "GMAC0_RXD2",
> + "GMAC0_RXD3";
> + function = "gmac0";
> + bias-disable;
> + drive-strength = <1>;
> + input-enable;
> + input-schmitt-disable;
> + slew-rate = <0>;
> + };
> +
> + mdc-pins {
> + pins = "GMAC0_MDC";
> + function = "gmac0";
> + bias-disable;
> + drive-strength = <13>;
> + input-disable;
> + input-schmitt-disable;
> + slew-rate = <0>;
> + };
> +
> + mdio-pins {
> + pins = "GMAC0_MDIO";
> + function = "gmac0";
> + bias-disable;
> + drive-strength = <13>;
> + input-enable;
> + input-schmitt-enable;
> + slew-rate = <0>;
> + };
> +
> + phy-reset-pins {
> + pins = "GMAC0_COL"; /* GPIO3_21 */
> + bias-disable;
> + drive-strength = <3>;
> + input-disable;
> + input-schmitt-disable;
> + slew-rate = <0>;
> + };
> +
> + phy-interrupt-pins {
> + pins = "GMAC0_CRS"; /* GPIO3_22 */
> + function = "gpio";
> + bias-pull-up;
> + drive-strength = <1>;
> + input-enable;
> + input-schmitt-enable;
> + slew-rate = <0>;
> + };
> + };
> +
> uart0_pins: uart0-0 {
> tx-pins {
> pins = "UART0_TXD";
> diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
> index 724d9645471d..8e76b63e0100 100644
> --- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
> +++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi
> @@ -11,6 +11,11 @@ / {
> model = "Sipeed Lichee Module 4A";
> compatible = "sipeed,lichee-module-4a", "thead,th1520";
>
> + aliases {
> + ethernet0 = &gmac0;
> + ethernet1 = &gmac1;
> + };
> +
> memory@0 {
> device_type = "memory";
> reg = <0x0 0x00000000 0x2 0x00000000>;
> @@ -45,6 +50,22 @@ &emmc {
> status = "okay";
> };
>
> +&gmac0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&gmac0_pins>, <&mdio0_pins>;
> + phy-handle = <&phy0>;
> + phy-mode = "rgmii-id";
> + status = "okay";
> +};
> +
> +&gmac1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&gmac1_pins>;
> + phy-handle = <&phy1>;
> + phy-mode = "rgmii-id";
> + status = "okay";
> +};
> +
> &gpio0 {
> gpio-line-names = "", "", "", "", "", "", "", "", "", "",
> "", "", "", "", "", "", "", "", "", "",
> @@ -78,6 +99,104 @@ &gpio3 {
> "GPIO10";
> };
>
> +&mdio0 {
> + phy0: ethernet-phy@1 {
> + reg = <1>;
> + };
> +
> + phy1: ethernet-phy@2 {
> + reg = <2>;
> + };
> +};
> +
> +&padctrl0_apsys {
> + gmac0_pins: gmac0-0 {
> + tx-pins {
> + pins = "GMAC0_TX_CLK",
> + "GMAC0_TXEN",
> + "GMAC0_TXD0",
> + "GMAC0_TXD1",
> + "GMAC0_TXD2",
> + "GMAC0_TXD3";
> + function = "gmac0";
> + bias-disable;
> + drive-strength = <25>;
> + input-disable;
> + input-schmitt-disable;
> + slew-rate = <0>;
> + };
> +
> + rx-pins {
> + pins = "GMAC0_RX_CLK",
> + "GMAC0_RXDV",
> + "GMAC0_RXD0",
> + "GMAC0_RXD1",
> + "GMAC0_RXD2",
> + "GMAC0_RXD3";
> + function = "gmac0";
> + bias-disable;
> + drive-strength = <1>;
> + input-enable;
> + input-schmitt-disable;
> + slew-rate = <0>;
> + };
> + };
> +
> + gmac1_pins: gmac1-0 {
> + tx-pins {
> + pins = "GPIO2_18", /* GMAC1_TX_CLK */
> + "GPIO2_20", /* GMAC1_TXEN */
> + "GPIO2_21", /* GMAC1_TXD0 */
> + "GPIO2_22", /* GMAC1_TXD1 */
> + "GPIO2_23", /* GMAC1_TXD2 */
> + "GPIO2_24"; /* GMAC1_TXD3 */
> + function = "gmac1";
> + bias-disable;
> + drive-strength = <25>;
> + input-disable;
> + input-schmitt-disable;
> + slew-rate = <0>;
> + };
> +
> + rx-pins {
> + pins = "GPIO2_19", /* GMAC1_RX_CLK */
> + "GPIO2_25", /* GMAC1_RXDV */
> + "GPIO2_30", /* GMAC1_RXD0 */
> + "GPIO2_31", /* GMAC1_RXD1 */
> + "GPIO3_0", /* GMAC1_RXD2 */
> + "GPIO3_1"; /* GMAC1_RXD3 */
> + function = "gmac1";
> + bias-disable;
> + drive-strength = <1>;
> + input-enable;
> + input-schmitt-disable;
> + slew-rate = <0>;
> + };
> + };
> +
> + mdio0_pins: mdio0-0 {
> + mdc-pins {
> + pins = "GMAC0_MDC";
> + function = "gmac0";
> + bias-disable;
> + drive-strength = <13>;
> + input-disable;
> + input-schmitt-disable;
> + slew-rate = <0>;
> + };
> +
> + mdio-pins {
> + pins = "GMAC0_MDIO";
> + function = "gmac0";
> + bias-disable;
> + drive-strength = <13>;
> + input-enable;
> + input-schmitt-enable;
> + slew-rate = <0>;
> + };
> + };
> +};
> +
> &sdio0 {
> bus-width = <4>;
> max-frequency = <198000000>;
> diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
> index cd835aea07d2..acfe030e803a 100644
> --- a/arch/riscv/boot/dts/thead/th1520.dtsi
> +++ b/arch/riscv/boot/dts/thead/th1520.dtsi
> @@ -223,6 +223,12 @@ aonsys_clk: clock-73728000 {
> #clock-cells = <0>;
> };
>
> + stmmac_axi_config: stmmac-axi-config {
> + snps,wr_osr_lmt = <15>;
> + snps,rd_osr_lmt = <15>;
> + snps,blen = <0 0 64 32 0 0 0>;
> + };
> +
> soc {
> compatible = "simple-bus";
> interrupt-parent = <&plic>;
> @@ -274,6 +280,50 @@ uart0: serial@ffe7014000 {
> status = "disabled";
> };
>
> + gmac1: ethernet@ffe7060000 {
> + compatible = "thead,th1520-gmac", "snps,dwmac-3.70a";
> + reg = <0xff 0xe7060000 0x0 0x2000>, <0xff 0xec004000 0x0 0x1000>;
> + reg-names = "dwmac", "apb";
> + interrupts = <67 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "macirq";
> + clocks = <&clk CLK_GMAC_AXI>, <&clk CLK_GMAC1>;
> + clock-names = "stmmaceth", "pclk";
> + snps,pbl = <32>;
> + snps,fixed-burst;
> + snps,multicast-filter-bins = <64>;
> + snps,perfect-filter-entries = <32>;
> + snps,axi-config = <&stmmac_axi_config>;
> + status = "disabled";
> +
> + mdio1: mdio {
> + compatible = "snps,dwmac-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> + };
> +
> + gmac0: ethernet@ffe7070000 {
> + compatible = "thead,th1520-gmac", "snps,dwmac-3.70a";
> + reg = <0xff 0xe7070000 0x0 0x2000>, <0xff 0xec003000 0x0 0x1000>;
> + reg-names = "dwmac", "apb";
> + interrupts = <66 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "macirq";
> + clocks = <&clk CLK_GMAC_AXI>, <&clk CLK_GMAC0>;
> + clock-names = "stmmaceth", "pclk";
> + snps,pbl = <32>;
> + snps,fixed-burst;
> + snps,multicast-filter-bins = <64>;
> + snps,perfect-filter-entries = <32>;
> + snps,axi-config = <&stmmac_axi_config>;
> + status = "disabled";
> +
> + mdio0: mdio {
> + compatible = "snps,dwmac-mdio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> + };
> +
> emmc: mmc@ffe7080000 {
> compatible = "thead,th1520-dwcmshc";
> reg = <0xff 0xe7080000 0x0 0x10000>;
>
> --
> 2.34.1
>
The dwmac-thead driver and dt binding have been applied to net-next [1]
so I have now applied this dts patch to thead-dt-for-next [2].
-Drew
[1] https://lore.kernel.org/linux-riscv/173085843050.764350.5609116722213276708.git-patchwork-notify@xxxxxxxxxx/
[2] https://github.com/pdp7/linux/commit/7e756671a664b73b2a3c0cc37fd25abf6bcd851e
