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Message-ID: <20231013110150.4142508-3-danishanwar@ti.com>
Date: Fri, 13 Oct 2023 16:31:49 +0530
From: MD Danish Anwar <danishanwar@...com>
To: Vignesh Raghavendra <vigneshr@...com>, Nishanth Menon <nm@...com>
CC: Conor Dooley <conor+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
Tero Kristo <kristo@...nel.org>, <srk@...com>,
<r-gunasekaran@...com>, MD Danish Anwar <danishanwar@...com>,
Andrew Davis <afd@...com>
Subject: [PATCH v5 2/3] arm64: dts: ti: k3-am654-base-board: add ICSSG2 Ethernet support
ICSSG2 provides dual Gigabit Ethernet support.
Add ICSSG2 ethernet node to an overlay k3-am654-icssg2.dtso
Rename the existing k3-am654-base-board.dts to k3-am654-common-board.dts
This represents basic board where ICSSG/PRUs can be used for general
purpose. k3-am654-base-board.dtb is now made of common-board and ICSSG2
specific overlay which enables ICSSG2 dual Ethernet ports available on
base board.
Reviewed-by: Andrew Davis <afd@...com>
Signed-off-by: MD Danish Anwar <danishanwar@...com>
---
arch/arm64/boot/dts/ti/Makefile | 2 +
...se-board.dts => k3-am654-common-board.dts} | 0
arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso | 145 ++++++++++++++++++
3 files changed, 147 insertions(+)
rename arch/arm64/boot/dts/ti/{k3-am654-base-board.dts => k3-am654-common-board.dts} (100%)
create mode 100644 arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index 8bd5acc6d683..7cfa11f33a43 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -45,12 +45,14 @@ dtb-$(CONFIG_ARCH_K3) += k3-am642-tqma64xxl-mbax4xxl-sdcard.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am642-tqma64xxl-mbax4xxl-wlan.dtb
# Boards with AM65x SoC
+k3-am654-base-board-dtbs := k3-am654-common-board.dtb k3-am654-icssg2.dtbo
k3-am654-gp-evm-dtbs := k3-am654-base-board.dtb k3-am654-base-board-rocktech-rk101-panel.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am6528-iot2050-basic.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am6528-iot2050-basic-pg2.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-m2.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-pg2.dtb
+dtb-$(CONFIG_ARCH_K3) += k3-am654-common-board.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am654-base-board.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am654-gp-evm.dtb
diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-common-board.dts
similarity index 100%
rename from arch/arm64/boot/dts/ti/k3-am654-base-board.dts
rename to arch/arm64/boot/dts/ti/k3-am654-common-board.dts
diff --git a/arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso b/arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso
new file mode 100644
index 000000000000..7b7d32282668
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0
+/**
+ * DT overlay for IDK application board on AM654 EVM
+ *
+ * Copyright (C) 2018-2023 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/net/ti-dp83867.h>
+#include "k3-pinctrl.h"
+
+&{/} {
+ aliases {
+ ethernet1 = &icssg2_emac0;
+ ethernet2 = &icssg2_emac1;
+ };
+
+ /* Ethernet node on PRU-ICSSG2 */
+ icssg2_eth: icssg2-eth {
+ compatible = "ti,am654-icssg-prueth";
+ pinctrl-names = "default";
+ pinctrl-0 = <&icssg2_rgmii_pins_default>;
+ sram = <&msmc_ram>;
+ ti,prus = <&pru2_0>, <&rtu2_0>, <&tx_pru2_0>,
+ <&pru2_1>, <&rtu2_1>, <&tx_pru2_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 = <&icssg2_mii_g_rt>;
+ ti,mii-rt = <&icssg2_mii_rt>;
+ ti,iep = <&icssg2_iep0>, <&icssg2_iep1>;
+
+ interrupt-parent = <&icssg2_intc>;
+ interrupts = <24 0 2>, <25 1 3>;
+ interrupt-names = "tx_ts0", "tx_ts1";
+
+ dmas = <&main_udmap 0xc300>, /* egress slice 0 */
+ <&main_udmap 0xc301>, /* egress slice 0 */
+ <&main_udmap 0xc302>, /* egress slice 0 */
+ <&main_udmap 0xc303>, /* egress slice 0 */
+ <&main_udmap 0xc304>, /* egress slice 1 */
+ <&main_udmap 0xc305>, /* egress slice 1 */
+ <&main_udmap 0xc306>, /* egress slice 1 */
+ <&main_udmap 0xc307>, /* egress slice 1 */
+ <&main_udmap 0x4300>, /* ingress slice 0 */
+ <&main_udmap 0x4301>; /* 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>;
+ icssg2_emac0: port@0 {
+ reg = <0>;
+ phy-handle = <&icssg2_phy0>;
+ phy-mode = "rgmii-id";
+ ti,syscon-rgmii-delay = <&scm_conf 0x4120>;
+ /* Filled in by bootloader */
+ local-mac-address = [00 00 00 00 00 00];
+ };
+ icssg2_emac1: port@1 {
+ reg = <1>;
+ phy-handle = <&icssg2_phy1>;
+ phy-mode = "rgmii-id";
+ ti,syscon-rgmii-delay = <&scm_conf 0x4124>;
+ /* Filled in by bootloader */
+ local-mac-address = [00 00 00 00 00 00];
+ };
+ };
+ };
+};
+
+&main_pmx0 {
+
+ icssg2_mdio_pins_default: icssg2-mdio-default-pins {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x0094, PIN_INPUT, 2) /* (AC19) PRG2_PRU0_GPO7.PRG2_MDIO0_MDIO */
+ AM65X_IOPAD(0x00c8, PIN_OUTPUT, 2) /* (AE15) PRG2_PRU1_GPO7.PRG2_MDIO0_MDC */
+ >;
+ };
+
+ icssg2_rgmii_pins_default: icssg2-rgmii-default-pins {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x00ac, PIN_INPUT, 2) /* (AH15) PRG2_PRU1_GPO0.PRG2_RGMII2_RD0 */
+ AM65X_IOPAD(0x00b0, PIN_INPUT, 2) /* (AC16) PRG2_PRU1_GPO1.PRG2_RGMII2_RD1 */
+ AM65X_IOPAD(0x00b4, PIN_INPUT, 2) /* (AD17) PRG2_PRU1_GPO2.PRG2_RGMII2_RD2 */
+ AM65X_IOPAD(0x00b8, PIN_INPUT, 2) /* (AH14) PRG2_PRU1_GPO3.PRG2_RGMII2_RD3 */
+ AM65X_IOPAD(0x00cc, PIN_OUTPUT, 2) /* (AD15) PRG2_PRU1_GPO8.PRG2_RGMII2_TD0 */
+ AM65X_IOPAD(0x00d0, PIN_OUTPUT, 2) /* (AF14) PRG2_PRU1_GPO9.PRG2_RGMII2_TD1 */
+ AM65X_IOPAD(0x00d4, PIN_OUTPUT, 2) /* (AC15) PRG2_PRU1_GPO10.PRG2_RGMII2_TD2 */
+ AM65X_IOPAD(0x00d8, PIN_OUTPUT, 2) /* (AD14) PRG2_PRU1_GPO11.PRG2_RGMII2_TD3 */
+ AM65X_IOPAD(0x00dc, PIN_INPUT, 2) /* (AE14) PRG2_PRU1_GPO16.PRG2_RGMII2_TXC */
+ AM65X_IOPAD(0x00c4, PIN_OUTPUT, 2) /* (AC17) PRG2_PRU1_GPO6.PRG2_RGMII2_TX_CTL */
+ AM65X_IOPAD(0x00c0, PIN_INPUT, 2) /* (AG15) PRG2_PRU1_GPO5.PRG2_RGMII2_RXC */
+ AM65X_IOPAD(0x00bc, PIN_INPUT, 2) /* (AG14) PRG2_PRU1_GPO4.PRG2_RGMII2_RX_CTL */
+
+ AM65X_IOPAD(0x0078, PIN_INPUT, 2) /* (AF18) PRG2_PRU0_GPO0.PRG2_RGMII1_RD0 */
+ AM65X_IOPAD(0x007c, PIN_INPUT, 2) /* (AE18) PRG2_PRU0_GPO1.PRG2_RGMII1_RD1 */
+ AM65X_IOPAD(0x0080, PIN_INPUT, 2) /* (AH17) PRG2_PRU0_GPO2.PRG2_RGMII1_RD2 */
+ AM65X_IOPAD(0x0084, PIN_INPUT, 2) /* (AG18) PRG2_PRU0_GPO3.PRG2_RGMII1_RD3 */
+ AM65X_IOPAD(0x0098, PIN_OUTPUT, 2) /* (AH16) PRG2_PRU0_GPO8.PRG2_RGMII1_TD0 */
+ AM65X_IOPAD(0x009c, PIN_OUTPUT, 2) /* (AG16) PRG2_PRU0_GPO9.PRG2_RGMII1_TD1 */
+ AM65X_IOPAD(0x00a0, PIN_OUTPUT, 2) /* (AF16) PRG2_PRU0_GPO10.PRG2_RGMII1_TD2 */
+ AM65X_IOPAD(0x00a4, PIN_OUTPUT, 2) /* (AE16) PRG2_PRU0_GPO11.PRG2_RGMII1_TD3 */
+ AM65X_IOPAD(0x00a8, PIN_INPUT, 2) /* (AD16) PRG2_PRU0_GPO16.PRG2_RGMII1_TXC */
+ AM65X_IOPAD(0x0090, PIN_OUTPUT, 2) /* (AE17) PRG2_PRU0_GPO6.PRG2_RGMII1_TX_CTL */
+ AM65X_IOPAD(0x008c, PIN_INPUT, 2) /* (AF17) PRG2_PRU0_GPO5.PRG2_RGMII1_RXC */
+ AM65X_IOPAD(0x0088, PIN_INPUT, 2) /* (AG17) PRG2_PRU0_GPO4.PRG2_RGMII1_RX_CTL */
+ >;
+ };
+};
+
+&icssg2_mdio {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&icssg2_mdio_pins_default>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ icssg2_phy0: ethernet-phy@0 {
+ reg = <0>;
+ ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+ ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ };
+
+ icssg2_phy1: ethernet-phy@3 {
+ reg = <3>;
+ ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
+ ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ };
+};
--
2.34.1
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