ICSSG2 provides dual Gigabit Ethernet support. Add ICSSG2 ethernet node to an overlay k3-am654-icssg2.dtso
Signed-off-by: MD Danish Anwar danishanwar@ti.com --- arch/arm/dts/Makefile | 3 +- arch/arm/dts/k3-am654-icssg2.dtso | 145 ++++++++++++++++++++++++++++++ 2 files changed, 147 insertions(+), 1 deletion(-) create mode 100644 arch/arm/dts/k3-am654-icssg2.dtso
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index e9e58c5478..2bc53fba89 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -1396,7 +1396,8 @@ dtb-$(CONFIG_SOC_K3_AM654) += \ k3-am6548-iot2050-advanced-pg2.dtb \ k3-am6548-iot2050-advanced-m2.dtb \ k3-am6548-iot2050-advanced-m2-bkey-usb3-overlay.dtbo \ - k3-am6548-iot2050-advanced-m2-bkey-ekey-pcie-overlay.dtbo + k3-am6548-iot2050-advanced-m2-bkey-ekey-pcie-overlay.dtbo \ + k3-am654-icssg2.dtbo dtb-$(CONFIG_SOC_K3_J721E) += k3-j721e-common-proc-board.dtb \ k3-j721e-r5-common-proc-board.dtb \ k3-j7200-common-proc-board.dtb \ diff --git a/arch/arm/dts/k3-am654-icssg2.dtso b/arch/arm/dts/k3-am654-icssg2.dtso new file mode 100644 index 0000000000..faefa2febc --- /dev/null +++ b/arch/arm/dts/k3-am654-icssg2.dtso @@ -0,0 +1,145 @@ +// SPDX-License-Identifier: GPL-2.0 +/** + * DT overlay for enabling ICSSG2 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-eth/ethernet-ports/port@0"; + ethernet2 = "/icssg2-eth/ethernet-ports/port@1"; + }; + + /* 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>; + }; +};