diff mbox series

[RFC,net-next,4/4] riscv: dts: thead: Add TH1520 ethernet nodes

Message ID 20240713-thead-dwmac-v1-4-81f04480cd31@tenstorrent.com (mailing list archive)
State New, archived
Headers show
Series Add the dwmac driver support for T-HEAD TH1520 SoC. | expand

Commit Message

Drew Fustini July 13, 2024, 10:35 p.m. UTC 
From: Emil Renner Berthing <emil.renner.berthing@canonical.com>

Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
[drew: change apb registers from syscon to second reg of gmac node]
Signed-off-by: Drew Fustini <drew@pdp7.com>
---
 arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts |  89 ++++++++++++++
 .../boot/dts/thead/th1520-lichee-module-4a.dtsi    | 131 +++++++++++++++++++++
 arch/riscv/boot/dts/thead/th1520.dtsi              |  55 ++++++++-
 3 files changed, 273 insertions(+), 2 deletions(-)

Comments

Andrew Lunn July 14, 2024, 4 p.m. UTC | #1 
> +&mdio0 {
> +	phy0: ethernet-phy@1 {
> +		reg = <1>;
> +		interrupt-parent = <&gpio3>;
> +		interrupts = <22 IRQ_TYPE_LEVEL_LOW>;
> +		reset-gpios = <&gpio3 21 GPIO_ACTIVE_LOW>;

Are delays needed after the reset? Does the reset need to be applied for
a minimum time.

	Andrew
diff mbox series

Patch

diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
index e9f573c7e67c..59b84a318e03 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;
@@ -111,6 +112,23 @@  &sdio0 {
 	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>;
+	};
+};
+
 &padctrl_aosys {
 	led_pins: led-0 {
 		led-pins {
@@ -130,6 +148,77 @@  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 b5ab80fcd4c3..8a5012f3f3ee 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>;
@@ -29,6 +34,12 @@  &dmac0 {
 	status = "okay";
 };
 
+&aogpio {
+	gpio-line-names = "", "", "",
+			  "GPIO00",
+			  "GPIO04";
+};
+
 &aonsys_clk {
 	clock-frequency = <73728000>;
 };
@@ -62,6 +73,22 @@  &dmac0 {
 	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 = "", "", "", "", "", "", "", "", "", "",
 			  "", "", "", "", "", "", "", "", "", "",
@@ -94,3 +121,107 @@  &gpio3 {
 			  "GPIO09",
 			  "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>;
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index 34b3e10bab09..21f9f81e5322 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -153,6 +153,12 @@  uart_sclk: uart-sclk-clock {
 		#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>;
@@ -201,6 +207,50 @@  uart0: serial@ffe7014000 {
 			status = "disabled";
 		};
 
+		gmac1: ethernet@ffe7060000 {
+			compatible = "thead,th1520-dwmac", "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_GMAC_AXI>;
+			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-dwmac", "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_GMAC_AXI>;
+			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>;
@@ -293,7 +343,7 @@  gpio3: gpio-controller@0 {
 		padctrl1_apsys: pinctrl@ffe7f3c000 {
 			compatible = "thead,th1520-group2-pinctrl";
 			reg = <0xff 0xe7f3c000 0x0 0x1000>;
-			clocks = <&apb_clk>;
+			clocks = <&clk CLK_PERI_APB_PCLK>;
 		};
 
 		gpio@ffec005000 {
@@ -339,7 +389,8 @@  gpio1: gpio-controller@0 {
 		padctrl0_apsys: pinctrl@ffec007000 {
 			compatible = "thead,th1520-group3-pinctrl";
 			reg = <0xff 0xec007000 0x0 0x1000>;
-			clocks = <&apb_clk>;
+			clocks = <&clk CLK_PERI_APB_PCLK>;
+
 		};
 
 		uart2: serial@ffec010000 {