* Re: [PATCH net-next v4 3/3] riscv: dts: thead: Add TH1520 ethernet nodes
[not found] ` <20241020-th1520-dwmac-v4-3-c77acd33ccef@tenstorrent.com>
@ 2024-11-08 2:36 ` Drew Fustini
0 siblings, 0 replies; only message in thread
From: Drew Fustini @ 2024-11-08 2:36 UTC (permalink / raw)
To: Drew Fustini
Cc: Andrew Lunn, David S. Miller, Eric Dumazet, Jakub Kicinski,
Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley,
Alexandre Torgue, Giuseppe Cavallaro, Jose Abreu, Maxime Coquelin,
Emil Renner Berthing, Jisheng Zhang, Guo Ren, Fu Wei,
Paul Walmsley, Palmer Dabbelt, Albert Ou, Andrew Lunn, netdev,
devicetree, linux-kernel, linux-arm-kernel, linux-riscv,
linux-stm32
On Sun, Oct 20, 2024 at 07:36:02PM -0700, Drew Fustini wrote:
> From: Emil Renner Berthing <emil.renner.berthing@canonical.com>
>
> 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@canonical.com>
> [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@tenstorrent.com>
> ---
> 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@kernel.org/
[2] https://github.com/pdp7/linux/commit/7e756671a664b73b2a3c0cc37fd25abf6bcd851e
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[not found] <20241020-th1520-dwmac-v4-0-c77acd33ccef@tenstorrent.com>
[not found] ` <20241020-th1520-dwmac-v4-3-c77acd33ccef@tenstorrent.com>
2024-11-08 2:36 ` [PATCH net-next v4 3/3] riscv: dts: thead: Add TH1520 ethernet nodes Drew Fustini
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