On 7/10/23 1:25 PM, Siddharth Vadapalli wrote: > The J7 GESI EXP board for J721E Common-Proc-Board supports RGMII mode. > Use the overlay to configure CPSW9G ports in RGMII-RXID mode. > > Add aliases for CPSW9G ports to enable kernel to fetch MAC addresses > directly from U-Boot. > > Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx> > --- > v1: > https://lore.kernel.org/r/20230529094222.512675-1-s-vadapalli@xxxxxx/ > Changes since v1: > - Rebase on linux-next tagged next-20230710. > > arch/arm64/boot/dts/ti/Makefile | 2 + > .../dts/ti/k3-j721e-evm-gesi-exp-board.dtso | 196 ++++++++++++++++++ > 2 files changed, 198 insertions(+) > create mode 100644 arch/arm64/boot/dts/ti/k3-j721e-evm-gesi-exp-board.dtso > > diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile > index 6dd7b6f1d6ab..01d58aa8b06e 100644 > --- a/arch/arm64/boot/dts/ti/Makefile > +++ b/arch/arm64/boot/dts/ti/Makefile > @@ -46,6 +46,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-j7200-evm.dtb > k3-j721e-evm-dtbs := k3-j721e-common-proc-board.dtb k3-j721e-evm-quad-port-eth-exp.dtbo > dtb-$(CONFIG_ARCH_K3) += k3-j721e-beagleboneai64.dtb > dtb-$(CONFIG_ARCH_K3) += k3-j721e-evm.dtb > +dtb-$(CONFIG_ARCH_K3) += k3-j721e-evm-gesi-exp-board.dtbo > dtb-$(CONFIG_ARCH_K3) += k3-j721e-sk.dtb > > # Boards with J721s2 SoC > @@ -58,3 +59,4 @@ dtb-$(CONFIG_ARCH_K3) += k3-j784s4-evm.dtb > > # Enable support for device-tree overlays > DTC_FLAGS_k3-am6548-iot2050-advanced-m2 += -@ > +DTC_FLAGS_k3-j721e-common-proc-board += -@ > diff --git a/arch/arm64/boot/dts/ti/k3-j721e-evm-gesi-exp-board.dtso b/arch/arm64/boot/dts/ti/k3-j721e-evm-gesi-exp-board.dtso > new file mode 100644 > index 000000000000..5a8e074a924b > --- /dev/null > +++ b/arch/arm64/boot/dts/ti/k3-j721e-evm-gesi-exp-board.dtso > @@ -0,0 +1,196 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/** > + * DT Overlay for CPSW9G in RGMII mode using J7 GESI EXP BRD board with > + * J721E board. > + * > + * GESI Board Product Link: https://www.ti.com/tool/J7EXPCXEVM > + * > + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ > + */ > + > +/dts-v1/; > +/plugin/; > + > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/net/ti-dp83867.h> > + > +#include "k3-pinctrl.h" > + > +&{/} { > + aliases { > + ethernet1 = "/bus@100000/ethernet@c000000/ethernet-ports/port@1"; > + ethernet2 = "/bus@100000/ethernet@c000000/ethernet-ports/port@2"; > + ethernet3 = "/bus@100000/ethernet@c000000/ethernet-ports/port@3"; > + ethernet4 = "/bus@100000/ethernet@c000000/ethernet-ports/port@4"; > + }; > +}; > + > +&cpsw0 { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&rgmii1_pins_default > + &rgmii2_pins_default > + &rgmii3_pins_default > + &rgmii4_pins_default>; > +}; > + > +&cpsw0_port1 { > + status = "okay"; > + phy-handle = <&cpsw9g_phy12>; > + phy-mode = "rgmii-rxid"; > + mac-address = [00 00 00 00 00 00]; > + phys = <&cpsw0_phy_gmii_sel 1>; > +}; > + > +&cpsw0_port2 { > + status = "okay"; > + phy-handle = <&cpsw9g_phy15>; > + phy-mode = "rgmii-rxid"; > + mac-address = [00 00 00 00 00 00]; > + phys = <&cpsw0_phy_gmii_sel 2>; > +}; > + > +&cpsw0_port3 { > + status = "okay"; > + phy-handle = <&cpsw9g_phy0>; > + phy-mode = "rgmii-rxid"; > + mac-address = [00 00 00 00 00 00]; > + phys = <&cpsw0_phy_gmii_sel 3>; > +}; > + > +&cpsw0_port4 { > + status = "okay"; > + phy-handle = <&cpsw9g_phy3>; > + phy-mode = "rgmii-rxid"; > + mac-address = [00 00 00 00 00 00]; > + phys = <&cpsw0_phy_gmii_sel 4>; > +}; > + > +&cpsw9g_mdio { > + status = "okay"; > + pinctrl-names = "default"; > + pinctrl-0 = <&mdio0_pins_default>; > + bus_freq = <1000000>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + cpsw9g_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>; > + ti,min-output-impedance; > + }; > + cpsw9g_phy3: ethernet-phy@3 { > + reg = <3>; > + ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; > + ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; > + ti,min-output-impedance; > + }; > + cpsw9g_phy12: ethernet-phy@12 { > + reg = <12>; > + ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; > + ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; > + ti,min-output-impedance; > + }; > + cpsw9g_phy15: ethernet-phy@15 { > + reg = <15>; > + ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; > + ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; > + ti,min-output-impedance; > + }; > +}; > + > +&exp1 { > + p15-hog { > + /* P15 - EXP_MUX2 */ > + gpio-hog; > + gpios = <13 GPIO_ACTIVE_HIGH>; > + output-high; > + line-name = "EXP_MUX2"; > + }; > + > + p16-hog { > + /* P16 - EXP_MUX3 */ > + gpio-hog; > + gpios = <14 GPIO_ACTIVE_HIGH>; > + output-high; > + line-name = "EXP_MUX3"; > + }; > +}; > + > +&main_pmx0 { > + mdio0_pins_default: mdio0-pins-default { > + pinctrl-single,pins = < > + J721E_IOPAD(0x1bc, PIN_OUTPUT, 0) /* (V24) MDIO0_MDC */ > + J721E_IOPAD(0x1b8, PIN_INPUT, 0) /* (V26) MDIO0_MDIO */ > + >; > + }; > + > + rgmii1_pins_default: rgmii1-pins-default { > + pinctrl-single,pins = < > + J721E_IOPAD(0x4, PIN_INPUT, 4) /* (AC23) PRG1_PRU0_GPO0.RGMII1_RD0 */ > + J721E_IOPAD(0x8, PIN_INPUT, 4) /* (AG22) PRG1_PRU0_GPO1.RGMII1_RD1 */ > + J721E_IOPAD(0xc, PIN_INPUT, 4) /* (AF22) PRG1_PRU0_GPO2.RGMII1_RD2 */ > + J721E_IOPAD(0x10, PIN_INPUT, 4) /* (AJ23) PRG1_PRU0_GPO3.RGMII1_RD3 */ > + J721E_IOPAD(0x1c, PIN_INPUT, 4) /* (AD22) PRG1_PRU0_GPO6.RGMII1_RXC */ > + J721E_IOPAD(0x14, PIN_INPUT, 4) /* (AH23) PRG1_PRU0_GPO4.RGMII1_RX_CTL */ > + J721E_IOPAD(0x30, PIN_OUTPUT, 4) /* (AF24) PRG1_PRU0_GPO11.RGMII1_TD0 */ > + J721E_IOPAD(0x34, PIN_OUTPUT, 4) /* (AJ24) PRG1_PRU0_GPO12.RGMII1_TD1 */ > + J721E_IOPAD(0x38, PIN_OUTPUT, 4) /* (AG24) PRG1_PRU0_GPO13.RGMII1_TD2 */ > + J721E_IOPAD(0x3c, PIN_OUTPUT, 4) /* (AD24) PRG1_PRU0_GPO14.RGMII1_TD3 */ > + J721E_IOPAD(0x44, PIN_OUTPUT, 4) /* (AE24) PRG1_PRU0_GPO16.RGMII1_TXC */ > + J721E_IOPAD(0x40, PIN_OUTPUT, 4) /* (AC24) PRG1_PRU0_GPO15.RGMII1_TX_CTL */ > + >; > + }; > + > + rgmii2_pins_default: rgmii2-pins-default { > + pinctrl-single,pins = < > + J721E_IOPAD(0x58, PIN_INPUT, 4) /* (AE22) PRG1_PRU1_GPO0.RGMII2_RD0 */ > + J721E_IOPAD(0x5c, PIN_INPUT, 4) /* (AG23) PRG1_PRU1_GPO1.RGMII2_RD1 */ > + J721E_IOPAD(0x60, PIN_INPUT, 4) /* (AF23) PRG1_PRU1_GPO2.RGMII2_RD2 */ > + J721E_IOPAD(0x64, PIN_INPUT, 4) /* (AD23) PRG1_PRU1_GPO3.RGMII2_RD3 */ > + J721E_IOPAD(0x70, PIN_INPUT, 4) /* (AE23) PRG1_PRU1_GPO6.RGMII2_RXC */ > + J721E_IOPAD(0x68, PIN_INPUT, 4) /* (AH24) PRG1_PRU1_GPO4.RGMII2_RX_CTL */ > + J721E_IOPAD(0x84, PIN_OUTPUT, 4) /* (AJ25) PRG1_PRU1_GPO11.RGMII2_TD0 */ > + J721E_IOPAD(0x88, PIN_OUTPUT, 4) /* (AH25) PRG1_PRU1_GPO12.RGMII2_TD1 */ > + J721E_IOPAD(0x8c, PIN_OUTPUT, 4) /* (AG25) PRG1_PRU1_GPO13.RGMII2_TD2 */ > + J721E_IOPAD(0x90, PIN_OUTPUT, 4) /* (AH26) PRG1_PRU1_GPO14.RGMII2_TD3 */ > + J721E_IOPAD(0x98, PIN_OUTPUT, 4) /* (AJ26) PRG1_PRU1_GPO16.RGMII2_TXC */ > + J721E_IOPAD(0x94, PIN_OUTPUT, 4) /* (AJ27) PRG1_PRU1_GPO15.RGMII2_TX_CTL */ > + >; > + }; > + > + rgmii3_pins_default: rgmii3-pins-default { > + pinctrl-single,pins = < > + J721E_IOPAD(0xb0, PIN_INPUT, 4) /* (AF28) PRG0_PRU0_GPO0.RGMII3_RD0 */ > + J721E_IOPAD(0xb4, PIN_INPUT, 4) /* (AE28) PRG0_PRU0_GPO1.RGMII3_RD1 */ > + J721E_IOPAD(0xb8, PIN_INPUT, 4) /* (AE27) PRG0_PRU0_GPO2.RGMII3_RD2 */ > + J721E_IOPAD(0xbc, PIN_INPUT, 4) /* (AD26) PRG0_PRU0_GPO3.RGMII3_RD3 */ > + J721E_IOPAD(0xc8, PIN_INPUT, 4) /* (AE26) PRG0_PRU0_GPO6.RGMII3_RXC */ > + J721E_IOPAD(0xc0, PIN_INPUT, 4) /* (AD25) PRG0_PRU0_GPO4.RGMII3_RX_CTL */ > + J721E_IOPAD(0xdc, PIN_OUTPUT, 4) /* (AJ28) PRG0_PRU0_GPO11.RGMII3_TD0 */ > + J721E_IOPAD(0xe0, PIN_OUTPUT, 4) /* (AH27) PRG0_PRU0_GPO12.RGMII3_TD1 */ > + J721E_IOPAD(0xe4, PIN_OUTPUT, 4) /* (AH29) PRG0_PRU0_GPO13.RGMII3_TD2 */ > + J721E_IOPAD(0xe8, PIN_OUTPUT, 4) /* (AG28) PRG0_PRU0_GPO14.RGMII3_TD3 */ > + J721E_IOPAD(0xf0, PIN_OUTPUT, 4) /* (AH28) PRG0_PRU0_GPO16.RGMII3_TXC */ > + J721E_IOPAD(0xec, PIN_OUTPUT, 4) /* (AG27) PRG0_PRU0_GPO15.RGMII3_TX_CTL */ > + >; > + }; > + > + rgmii4_pins_default: rgmii4-pins-default { > + pinctrl-single,pins = < > + J721E_IOPAD(0x100, PIN_INPUT, 4) /* (AE29) PRG0_PRU1_GPO0.RGMII4_RD0 */ > + J721E_IOPAD(0x104, PIN_INPUT, 4) /* (AD28) PRG0_PRU1_GPO1.RGMII4_RD1 */ > + J721E_IOPAD(0x108, PIN_INPUT, 4) /* (AD27) PRG0_PRU1_GPO2.RGMII4_RD2 */ > + J721E_IOPAD(0x10c, PIN_INPUT, 4) /* (AC25) PRG0_PRU1_GPO3.RGMII4_RD3 */ > + J721E_IOPAD(0x118, PIN_INPUT, 4) /* (AC26) PRG0_PRU1_GPO6.RGMII4_RXC */ > + J721E_IOPAD(0x110, PIN_INPUT, 4) /* (AD29) PRG0_PRU1_GPO4.RGMII4_RX_CTL */ > + J721E_IOPAD(0x12c, PIN_OUTPUT, 4) /* (AG26) PRG0_PRU1_GPO11.RGMII4_TD0 */ > + J721E_IOPAD(0x130, PIN_OUTPUT, 4) /* (AF27) PRG0_PRU1_GPO12.RGMII4_TD1 */ > + J721E_IOPAD(0x134, PIN_OUTPUT, 4) /* (AF26) PRG0_PRU1_GPO13.RGMII4_TD2 */ > + J721E_IOPAD(0x138, PIN_OUTPUT, 4) /* (AE25) PRG0_PRU1_GPO14.RGMII4_TD3 */ > + J721E_IOPAD(0x140, PIN_OUTPUT, 4) /* (AG29) PRG0_PRU1_GPO16.RGMII4_TXC */ > + J721E_IOPAD(0x13c, PIN_OUTPUT, 4) /* (AF29) PRG0_PRU1_GPO15.RGMII4_TX_CTL */ > + >; > + }; > +}; Reviewed-by: Ravi Gunasekaran <r-gunasekaran@xxxxxx> -- Regards, Ravi
