On 11/01/2025 09:09, Nobuhiro Iwamatsu wrote: > +++ b/arch/arm64/boot/dts/renesas/r9a09g057h48-kakip.dts > @@ -0,0 +1,138 @@ > +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +/* > + * Device Tree Source for Yuridenki-Shokai the Kakip board > + * > + * Copyright (C) 2024 Nobuhiro Iwamatsu <iwamatsu@xxxxxxxxxxx> > + */ > + > +/dts-v1/; > + > +#include <dt-bindings/pinctrl/renesas,r9a09g057-pinctrl.h> > +#include <dt-bindings/gpio/gpio.h> > +#include "r9a09g057.dtsi" > + > +/ { > + model = "Yuridenki-Shokai Kakip Board based on r9a09g057h48"; > + compatible = "yuridenki,kakip", "renesas,r9a09g057h48", "renesas,r9a09g057"; > + > + aliases { > + serial0 = &scif; > + mmc0 = &sdhi0; > + }; > + > + chosen { > + bootargs = "ignore_loglevel"; Not really suitable for mainline DTS. This is just debugging, so drop. Just like earlycon - not suitable for mainline usage. > + stdout-path = "serial0:115200n8"; > + }; > + > + memory@48000000 { > + device_type = "memory"; > + /* first 128MB is reserved for secure area. */ > + reg = <0x0 0x48000000 0x1 0xF8000000>; > + }; > + > + reg_3p3v: regulator1 { Keep consistent naming. regulator-1 or the name as in bindings: 'regulator-[0-9]v[0-9]' https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml?h=v6.11-rc1#n46 > + compatible = "regulator-fixed"; > + > + regulator-name = "fixed-3.3V"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + vqmmc_sdhi0: regulator-vccq-sdhi0 { regulator-2? Why different styles of names? > + compatible = "regulator-gpio"; > + regulator-name = "SDHI0 VccQ"; > + gpios = <&pinctrl RZV2H_GPIO(A, 0) GPIO_ACTIVE_HIGH>; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + gpios-states = <0>; > + states = <3300000 0 1800000 1>; > + }; > +}; > + > +&qextal_clk { > + clock-frequency = <24000000>; > +}; > + > +&pinctrl { > + scif_pins: scif { > + pins = "SCIF_RXD", "SCIF_TXD"; > + }; > + > + sd0-pwr-en-hog { > + gpio-hog; > + gpios = <RZV2H_GPIO(A, 1) GPIO_ACTIVE_HIGH>; > + output-high; > + line-name = "sd0_pwr_en"; > + }; > + > + sdhi0_pins: sd0 { > + sd0_data { No underscores in node names. Please follow DTS coding style. Best regards, Krzysztof