On 4/25/24 3:50 PM, Chintan Vankar wrote: > From: Siddharth Vadapalli <s-vadapalli@xxxxxx> > > The SK-Ethernet-DC01 Add-On Ethernet Card for AM62A7-SK board supports > RGMII mode. > > Add overlay to enable the second CPSW3G port in RGMII-RXID mode with the > Add-On Ethernet Card. > > Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx> > Signed-off-by: Chintan Vankar <c-vankar@xxxxxx> > --- > > Link to v1: > https://lore.kernel.org/r/20230424111945.3865240-3-s-vadapalli@xxxxxx/ > > Changes from v1 to v2: > - Since support for device tree overlays for am62a7-sk is already enabled > by commit "635ed9715194", it is removed from this series. > > arch/arm64/boot/dts/ti/Makefile | 3 + > .../dts/ti/k3-am62a7-sk-ethernet-dc01.dtso | 61 +++++++++++++++++++ > 2 files changed, 64 insertions(+) > create mode 100644 arch/arm64/boot/dts/ti/k3-am62a7-sk-ethernet-dc01.dtso > > diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile > index c76b41f86527..8c55e46d9f98 100644 > --- a/arch/arm64/boot/dts/ti/Makefile > +++ b/arch/arm64/boot/dts/ti/Makefile > @@ -27,6 +27,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am62-lp-sk.dtb > > # Boards with AM62Ax SoC > dtb-$(CONFIG_ARCH_K3) += k3-am62a7-sk.dtb > +dtb-$(CONFIG_ARCH_K3) += k3-am62a7-sk-ethernet-dc01.dtbo > > # Boards with AM62Px SoC > dtb-$(CONFIG_ARCH_K3) += k3-am62p5-sk.dtb > @@ -123,6 +124,8 @@ k3-am62a7-sk-csi2-ov5640-dtbs := k3-am62a7-sk.dtb \ > k3-am62x-sk-csi2-ov5640.dtbo > k3-am62a7-sk-csi2-tevi-ov5640-dtbs := k3-am62a7-sk.dtb \ > k3-am62x-sk-csi2-tevi-ov5640.dtbo > +k3-am62a7-sk-ethernet-dc01-dtbs := k3-am62a7-sk.dtb \ > + k3-am62a7-sk-ethernet-dc01.dtbo > k3-am62a7-sk-hdmi-audio-dtbs := k3-am62a7-sk.dtb k3-am62x-sk-hdmi-audio.dtbo > k3-am62p5-sk-csi2-imx219-dtbs := k3-am62p5-sk.dtb \ > k3-am62x-sk-csi2-imx219.dtbo > diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk-ethernet-dc01.dtso b/arch/arm64/boot/dts/ti/k3-am62a7-sk-ethernet-dc01.dtso > new file mode 100644 > index 000000000000..f6d5a089a717 > --- /dev/null > +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk-ethernet-dc01.dtso > @@ -0,0 +1,61 @@ > +// SPDX-License-Identifier: GPL-2.0 Please update the license to "GPL-2.0-only OR MIT" > +/** > + * DT Overlay for second CPSW3G port in RGMII mode using SK-ETHERNET-DC01 > + * Add-On Daughtercard with AM62A7-SK. > + * > + * Copyright (C) 2024 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@f0000/ethernet@8000000/ethernet-ports/port@2"; > + }; > +}; > + > +&cpsw3g { > + pinctrl-0 = <&main_rgmii1_pins_default>, <&main_rgmii2_pins_default>; One entry per line like below pinctrl-0 = <&main_rgmii1_pins_default>, <&main_rgmii2_pins_default>; > +}; > + > +&cpsw_port2 { > + status = "okay"; > + phy-mode = "rgmii-rxid"; > + phy-handle = <&cpsw3g_phy1>; > +}; > + > +&cpsw3g_mdio { > + #address-cells = <1>; > + #size-cells = <0>; > + > + cpsw3g_phy1: ethernet-phy@1 { > + reg = <1>; > + ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; > + ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; > + ti,min-output-impedance; > + }; > +}; > + > +&main_pmx0 { > + main_rgmii2_pins_default: main-rgmii2-default-pins { > + pinctrl-single,pins = < > + AM62AX_IOPAD(0x0184, PIN_INPUT, 0) /* (AA21) RGMII2_RD0 */ > + AM62AX_IOPAD(0x0188, PIN_INPUT, 0) /* (Y20) RGMII2_RD1 */ > + AM62AX_IOPAD(0x018c, PIN_INPUT, 0) /* (AB21) RGMII2_RD2 */ > + AM62AX_IOPAD(0x0190, PIN_INPUT, 0) /* (AB20) RGMII2_RD3 */ > + AM62AX_IOPAD(0x0180, PIN_INPUT, 0) /* (AA20) RGMII2_RXC */ > + AM62AX_IOPAD(0x017c, PIN_INPUT, 0) /* (W18) RGMII2_RX_CTL */ > + AM62AX_IOPAD(0x016c, PIN_INPUT, 0) /* (AA19) RGMII2_TD0 */ > + AM62AX_IOPAD(0x0170, PIN_INPUT, 0) /* (Y18) RGMII2_TD1 */ > + AM62AX_IOPAD(0x0174, PIN_INPUT, 0) /* (AA18) RGMII2_TD2 */ > + AM62AX_IOPAD(0x0178, PIN_INPUT, 0) /* (W17) RGMII2_TD3 */ > + AM62AX_IOPAD(0x0168, PIN_INPUT, 0) /* (AB19) RGMII2_TXC */ > + AM62AX_IOPAD(0x0164, PIN_INPUT, 0) /* (Y19) RGMII2_TX_CTL */ > + >; > + }; > +}; -- Regards, Ravi
