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Message-Id: <565d31a5fd29c4dd0cf28e347049a1247a6e446c.1699087938.git.jan.kiszka@siemens.com>
Date: Sat, 4 Nov 2023 09:52:19 +0100
From: Jan Kiszka <jan.kiszka@...mens.com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
Tero Kristo <kristo@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, Bao Cheng Su <baocheng.su@...mens.com>,
Benedikt Niedermayr <benedikt.niedermayr@...mens.com>
Subject: [PATCH v4 5/5] arm64: dts: ti: iot2050: Add icssg-prueth nodes for PG2 devices
From: Jan Kiszka <jan.kiszka@...mens.com>
Add the required nodes to enable ICSSG SR2.0 based prueth networking.
As the driver still needs to be extended for SR1.0 support, keep related
nodes disabled on PG1 devices.
Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
---
.../dts/ti/k3-am65-iot2050-common-pg1.dtsi | 10 +-
.../boot/dts/ti/k3-am65-iot2050-common.dtsi | 128 ++++++++++++++++++
2 files changed, 137 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg1.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg1.dtsi
index 51f902fa35a7..1d1979859583 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg1.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg1.dtsi
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Copyright (c) Siemens AG, 2021
+ * Copyright (c) Siemens AG, 2021-2023
*
* Authors:
* Jan Kiszka <jan.kiszka@...mens.com>
@@ -44,3 +44,11 @@ &tx_pru2_0 {
&tx_pru2_1 {
status = "disabled";
};
+
+&icssg0_eth {
+ status = "disabled";
+};
+
+&icssg0_mdio {
+ status = "disabled";
+};
diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
index d2b6439cf496..ab1dffa5c1c6 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
@@ -11,6 +11,7 @@
#include "k3-am654.dtsi"
#include <dt-bindings/phy/phy.h>
+#include <dt-bindings/net/ti-dp83867.h>
/ {
aliases {
@@ -27,6 +28,8 @@ aliases {
spi0 = &mcu_spi0;
mmc0 = &sdhci1;
mmc1 = &sdhci0;
+ ethernet1 = &icssg0_emac0;
+ ethernet2 = &icssg0_emac1;
};
chosen {
@@ -111,6 +114,76 @@ dp_refclk: clock {
#clock-cells = <0>;
clock-frequency = <19200000>;
};
+
+ /* Dual Ethernet application node on PRU-ICSSG0 */
+ icssg0_eth: icssg0-eth {
+ compatible = "ti,am654-icssg-prueth";
+ pinctrl-names = "default";
+ pinctrl-0 = <&icssg0_rgmii_pins_default>;
+ sram = <&msmc_ram>;
+
+ ti,prus = <&pru0_0>, <&rtu0_0>, <&tx_pru0_0>,
+ <&pru0_1>, <&rtu0_1>, <&tx_pru0_1>;
+ firmware-name = "ti-pruss/am65x-sr2-pru0-prueth-fw.elf",
+ "ti-pruss/am65x-sr2-rtu0-prueth-fw.elf",
+ "ti-pruss/am65x-sr2-txpru0-prueth-fw.elf",
+ "ti-pruss/am65x-sr2-pru1-prueth-fw.elf",
+ "ti-pruss/am65x-sr2-rtu1-prueth-fw.elf",
+ "ti-pruss/am65x-sr2-txpru1-prueth-fw.elf";
+
+ ti,pruss-gp-mux-sel = <2>, /* MII mode */
+ <2>,
+ <2>,
+ <2>, /* MII mode */
+ <2>,
+ <2>;
+
+ ti,mii-g-rt = <&icssg0_mii_g_rt>;
+ ti,mii-rt = <&icssg0_mii_rt>;
+ ti,iep = <&icssg0_iep0>, <&icssg0_iep1>;
+
+ interrupt-parent = <&icssg0_intc>;
+ interrupts = <24 0 2>, <25 1 3>;
+ interrupt-names = "tx_ts0", "tx_ts1";
+
+ dmas = <&main_udmap 0xc100>, /* egress slice 0 */
+ <&main_udmap 0xc101>, /* egress slice 0 */
+ <&main_udmap 0xc102>, /* egress slice 0 */
+ <&main_udmap 0xc103>, /* egress slice 0 */
+ <&main_udmap 0xc104>, /* egress slice 1 */
+ <&main_udmap 0xc105>, /* egress slice 1 */
+ <&main_udmap 0xc106>, /* egress slice 1 */
+ <&main_udmap 0xc107>, /* egress slice 1 */
+ <&main_udmap 0x4100>, /* ingress slice 0 */
+ <&main_udmap 0x4101>; /* ingress slice 1 */
+ dma-names = "tx0-0", "tx0-1", "tx0-2", "tx0-3",
+ "tx1-0", "tx1-1", "tx1-2", "tx1-3",
+ "rx0", "rx1";
+
+ ethernet-ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ icssg0_emac0: port@0 {
+ reg = <0>;
+ phy-handle = <&icssg0_eth0_phy>;
+ phy-mode = "rgmii-id";
+ ti,syscon-rgmii-delay = <&scm_conf 0x4100>;
+ ti,half-duplex-capable;
+ /* Filled in by bootloader */
+ local-mac-address = [00 00 00 00 00 00];
+ };
+
+ icssg0_emac1: port@1 {
+ reg = <1>;
+ phy-handle = <&icssg0_eth1_phy>;
+ phy-mode = "rgmii-id";
+ ti,syscon-rgmii-delay = <&scm_conf 0x4104>;
+ ti,half-duplex-capable;
+ /* Filled in by bootloader */
+ local-mac-address = [00 00 00 00 00 00];
+ };
+ };
+ };
};
&wkup_pmx0 {
@@ -944,6 +1017,43 @@ AM65X_IOPAD(0x0074, PIN_INPUT, 5) /* (T27) I2C2_SCL */
AM65X_IOPAD(0x0070, PIN_INPUT, 5) /* (R25) I2C2_SDA */
>;
};
+
+ icssg0_mdio_pins_default: icssg0-mdio-default-pins {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x0294, PIN_INPUT, 0) /* (AE26) PRG0_MDIO0_MDIO */
+ AM65X_IOPAD(0x0298, PIN_OUTPUT, 0) /* (AE28) PRG0_MDIO0_MDC */
+ >;
+ };
+
+ icssg0_rgmii_pins_default: icssg0-rgmii-default-pins {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x0244, PIN_INPUT, 2) /* (AB28) PRG0_PRU1_GPO0.PRG0_RGMII2_RD0 */
+ AM65X_IOPAD(0x0248, PIN_INPUT, 2) /* (AC28) PRG0_PRU1_GPO1.PRG0_RGMII2_RD1 */
+ AM65X_IOPAD(0x024c, PIN_INPUT, 2) /* (AC27) PRG0_PRU1_GPO2.PRG0_RGMII2_RD2 */
+ AM65X_IOPAD(0x0250, PIN_INPUT, 2) /* (AB26) PRG0_PRU1_GPO3.PRG0_RGMII2_RD3 */
+ AM65X_IOPAD(0x0274, PIN_OUTPUT, 2) /* (AC25) PRG0_PRU1_GPO12.PRG0_RGMII2_TD0 */
+ AM65X_IOPAD(0x0278, PIN_OUTPUT, 2) /* (AD25) PRG0_PRU1_GPO13.PRG0_RGMII2_TD1 */
+ AM65X_IOPAD(0x027c, PIN_OUTPUT, 2) /* (AD24) PRG0_PRU1_GPO14.PRG0_RGMII2_TD2 */
+ AM65X_IOPAD(0x0280, PIN_OUTPUT, 2) /* (AE27) PRG0_PRU1_GPO15.PRG0_RGMII2_TD3 */
+ AM65X_IOPAD(0x0284, PIN_INPUT, 2) /* (AC24) PRG0_PRU1_GPO16.PRG0_RGMII2_TXC */
+ AM65X_IOPAD(0x0270, PIN_OUTPUT, 2) /* (AB24) PRG0_PRU1_GPO11.PRG0_RGMII2_TX_CTL */
+ AM65X_IOPAD(0x025c, PIN_INPUT, 2) /* (AB27) PRG0_PRU1_GPO6.PRG0_RGMII2_RXC */
+ AM65X_IOPAD(0x0254, PIN_INPUT, 2) /* (AA25) PRG0_PRU1_GPO4.PRG0_RGMII2_RX_CTL */
+
+ AM65X_IOPAD(0x01f4, PIN_INPUT, 2) /* (V24) PRG0_PRU0_GPO0.PRG0_RGMII1_RD0 */
+ AM65X_IOPAD(0x01f8, PIN_INPUT, 2) /* (W25) PRG0_PRU0_GPO1.PRG0_RGMII1_RD1 */
+ AM65X_IOPAD(0x01fc, PIN_INPUT, 2) /* (W24) PRG0_PRU0_GPO2.PRG0_RGMII1_RD2 */
+ AM65X_IOPAD(0x0200, PIN_INPUT, 2) /* (AA27) PRG0_PRU0_GPO3.PRG0_RGMII1_RD3 */
+ AM65X_IOPAD(0x0224, PIN_OUTPUT, 2) /* (AD27) PRG0_PRU0_GPO12.PRG0_RGMII1_TD0 */
+ AM65X_IOPAD(0x0228, PIN_OUTPUT, 2) /* (AC26) PRG0_PRU0_GPO13.PRG0_RGMII1_TD1 */
+ AM65X_IOPAD(0x022c, PIN_OUTPUT, 2) /* (AD26) PRG0_PRU0_GPO14.PRG0_RGMII1_TD2 */
+ AM65X_IOPAD(0x0230, PIN_OUTPUT, 2) /* (AA24) PRG0_PRU0_GPO15.PRG0_RGMII1_TD3 */
+ AM65X_IOPAD(0x0234, PIN_INPUT, 2) /* (AD28) PRG0_PRU0_GPO16.PRG0_RGMII1_TXC */
+ AM65X_IOPAD(0x0220, PIN_OUTPUT, 2) /* (AB25) PRG0_PRU0_GPO11.PRG0_RGMII1_TX_CTL */
+ AM65X_IOPAD(0x020c, PIN_INPUT, 2) /* (Y25) PRG0_PRU0_GPO6.PRG0_RGMII1_RXC */
+ AM65X_IOPAD(0x0204, PIN_INPUT, 2) /* (Y24) PRG0_PRU0_GPO4.PRG0_RGMII1_RX_CTL */
+ >;
+ };
};
&main_pmx1 {
@@ -1316,3 +1426,21 @@ &mcu_r5fss0_core1 {
<&mcu_r5fss0_core1_memory_region>;
mboxes = <&mailbox0_cluster1>, <&mbox_mcu_r5fss0_core1>;
};
+
+&icssg0_mdio {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&icssg0_mdio_pins_default>;
+
+ icssg0_eth0_phy: ethernet-phy@0 {
+ reg = <0>;
+ ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+ ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ };
+
+ icssg0_eth1_phy: ethernet-phy@1 {
+ reg = <1>;
+ ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+ ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ };
+};
--
2.35.3
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