On 05/07/2025 21:09, Magnus Damm wrote:
> From: Magnus Damm <damm@xxxxxxxxxxxxx>
>
> Add initial support for the RZA2MBTC board which is based on the RZ/A2M by
> Renesas Electronics. Included in this patch are DTS nodes for serial console,
> on-board SPI flash as well as RMII Ethernet.
>
> Signed-off-by: Magnus Damm <damm@xxxxxxxxxxxxx>
> ---
>
> Applies to next-20250704
>
> arch/arm/boot/dts/renesas/Makefile | 1
> work/arch/arm/boot/dts/renesas/r7s9210-rza2mbtc.dts | 133 +++++++++++++++++++
> 2 files changed, 134 insertions(+)
>
> --- 0006/arch/arm/boot/dts/renesas/Makefile
> +++ work/arch/arm/boot/dts/renesas/Makefile 2025-07-05 22:03:46.456578459 +0900
> @@ -5,6 +5,7 @@ dtb-$(CONFIG_ARCH_RENESAS) += \
> r7s72100-gr-peach.dtb \
> r7s72100-rskrza1.dtb \
> r7s9210-gr-mango.dtb \
> + r7s9210-rza2mbtc.dtb \
> r7s9210-rza2mevb.dtb \
> r8a73a4-ape6evm.dtb \
> r8a7740-armadillo800eva.dtb \
> --- /dev/null
> +++ work/arch/arm/boot/dts/renesas/r7s9210-rza2mbtc.dts 2025-07-05 22:03:21.996442287 +0900
> @@ -0,0 +1,133 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device Tree Source for the RZ/A2M BTC board
> + *
> + * Based on RZA2MEVB, Copyright (C) 2018 Renesas Electronics
> + */
> +
> +/dts-v1/;
> +#include "r7s9210.dtsi"
> +#include <dt-bindings/pinctrl/r7s9210-pinctrl.h>
> +
> +/ {
> + model = "RZA2MBTC";
> + compatible = "aprg,rza2mbtc", "renesas,r7s9210";
> +
> + aliases {
> + serial0 = &scif1;
> + spi0 = &rpc0;
> + };
> +
> + chosen {
> + bootargs = "ignore_loglevel";
> + stdout-path = "serial0:115200n8";
> + };
> +};
> +
> +&extal_clk {
> + clock-frequency = <24000000>; /* EXTAL: Y2: ECS-240-8-47B-7KM-TR (24MHz) */
> +};
> +
> +&ostm0 {
> + status = "okay";
> +};
> +
> +&ostm1 {
> + status = "okay";
> +};
> +
> +&rpc0 {
> + status = "okay";
> +
> + flash0: spi-flash@0 {
That's just flash@0
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "jedec,spi-nor";
Follow DTS coding style - read about property order.
> + spi-max-frequency = <50000000>;
> + spi-tx-bus-width = <1>;
> + spi-rx-bus-width = <1>;
> + reg = <0>;
> +
Best regards,
Krzysztof
