[PATCH 2/2] arm64: dts: ti: k3-am62l: add initial reference board file
Wadim Egorov
w.egorov at phytec.de
Tue Nov 19 00:13:19 PST 2024
Am 18.11.24 um 06:34 schrieb Bryan Brattlof:
> From: Vignesh Raghavendra <vigneshr at ti.com>
>
> Add the initial board file for the AM62L3's Evaluation Module.
>
> Signed-off-by: Vignesh Raghavendra <vigneshr at ti.com>
> Signed-off-by: Bryan Brattlof <bb at ti.com>
> ---
> arch/arm64/boot/dts/ti/k3-am62l3-evm.dts | 54 ++++++++++++++++++++++++++++++++
> 1 file changed, 54 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
> new file mode 100644
> index 0000000000000..2d59389765cab
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
> @@ -0,0 +1,54 @@
> +// SPDX-License-Identifier: GPL-2.0-only or MIT
> +/*
> + * Device Tree file for the AM62L3 Evaluation Module
> + * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
> + *
> + * Technical Reference Manual: https://www.ti.com/lit/ug/sprujb4/sprujb4.pdf
> + */
> +
> +/dts-v1/;
> +
> +#include "k3-am62l3.dtsi"
> +
> +/ {
> + compatible = "ti,am62l3-evm", "ti,am62l3";
> + model = "Texas Instruments AM62L3 Evaluation Module";
> +
> + aliases {
> + serial2 = &main_uart0;
> + };
> +
> + chosen {
> + stdout-path = &main_uart0;
> + };
> +
> + memory at 80000000 {
> + reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
> + device_type = "memory";
> + bootph-all;
> + };
> +
> + reserved-memory {
> + ranges;
> + #address-cells = <2>;
> + #size-cells = <2>;
> + };
> +};
> +
> +&pmx0 {
> + main_uart0_pins_default: main_uart0-default-pins {
> + pinctrl-single,pins = <
> + AM62LX_IOPAD(0x01d4, PIN_INPUT, 1) /* (D7) UART0_RXD */
> + AM62LX_IOPAD(0x01d8, PIN_OUTPUT, 1) /* (A6) UART0_TXD */
Looking at other IOPAD definitions it seems that for any mux mode which
is not 0, the comment typically includes the ball name.
> + >;
> + bootph-all;
> + };
> +};
> +
> +&main_uart0 {
> + current-speed = <115200>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&main_uart0_pins_default>;
> + status = "okay";
> + bootph-all;
> +};
>
More information about the linux-arm-kernel
mailing list