[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID:
<IA1PR20MB4953612773890B94FFD0C9EABB962@IA1PR20MB4953.namprd20.prod.outlook.com>
Date: Thu, 29 Aug 2024 13:52:03 +0800
From: Inochi Amaoto <inochiama@...look.com>
To: Thomas Bonnefille <thomas.bonnefille@...tlin.com>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Paul Walmsley <paul.walmsley@...ive.com>,
Chen Wang <unicorn_wang@...look.com>, Inochi Amaoto <inochiama@...look.com>,
Chao Wei <chao.wei@...hgo.com>, Conor Dooley <conor@...nel.org>
Cc: Albert Ou <aou@...s.berkeley.edu>, Palmer Dabbelt <palmer@...belt.com>,
Samuel Holland <samuel.holland@...ive.com>, Thomas Gleixner <tglx@...utronix.de>,
Daniel Lezcano <daniel.lezcano@...aro.org>, Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Miquèl Raynal <miquel.raynal@...tlin.com>, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v4 4/4] riscv: dts: sophgo: Add LicheeRV Nano board
device tree
On Thu, Jul 11, 2024 at 12:01:31PM GMT, Thomas Bonnefille wrote:
> LicheeRV Nano B [1] is an embedded development platform based on the SOPHGO
> SG2002 chip, the B(ase) version is deprived of Wifi/Bluetooth and Ethernet.
>
> Add only support for UART and SDHCI.
>
> Link: https://wiki.sipeed.com/hardware/en/lichee/RV_Nano/1_intro.html [1]
>
> Signed-off-by: Thomas Bonnefille <thomas.bonnefille@...tlin.com>
> ---
> arch/riscv/boot/dts/sophgo/Makefile | 1 +
> .../boot/dts/sophgo/sg2002-licheerv-nano-b.dts | 54 ++++++++++++++++++++++
> 2 files changed, 55 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/sophgo/Makefile b/arch/riscv/boot/dts/sophgo/Makefile
> index 57ad82a61ea6..47d4243a8f35 100644
> --- a/arch/riscv/boot/dts/sophgo/Makefile
> +++ b/arch/riscv/boot/dts/sophgo/Makefile
> @@ -1,4 +1,5 @@
> # SPDX-License-Identifier: GPL-2.0
> dtb-$(CONFIG_ARCH_SOPHGO) += cv1800b-milkv-duo.dtb
> dtb-$(CONFIG_ARCH_SOPHGO) += cv1812h-huashan-pi.dtb
> +dtb-$(CONFIG_ARCH_SOPHGO) += sg2002-licheerv-nano-b.dtb
> dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-milkv-pioneer.dtb
> diff --git a/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts b/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts
> new file mode 100644
> index 000000000000..fc98b6a0ddf7
> --- /dev/null
> +++ b/arch/riscv/boot/dts/sophgo/sg2002-licheerv-nano-b.dts
> @@ -0,0 +1,54 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +/*
> + * Copyright (C) 2024 Thomas Bonnefille <thomas.bonnefille@...tlin.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "sg2002.dtsi"
> +
> +/ {
> + model = "LicheeRV Nano B";
> + compatible = "sipeed,licheerv-nano-b", "sipeed,licheerv-nano", "sophgo,sg2002";
> +
> + aliases {
> + gpio0 = &gpio0;
> + gpio1 = &gpio1;
> + gpio2 = &gpio2;
> + gpio3 = &gpio3;
> + serial0 = &uart0;
> + serial1 = &uart1;
> + serial2 = &uart2;
> + serial3 = &uart3;
> + serial4 = &uart4;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +};
> +
> +&osc {
> + clock-frequency = <25000000>;
> +};
> +
> +&sdhci0 {
> + status = "okay";
> + bus-width = <4>;
> + no-1-8-v;
> + no-mmc;
> + no-sdio;
> + disable-wp;
> +};
> +
> +&uart0 {
> + status = "okay";
> +};
> +
> +&uart1 {
> + status = "okay";
> +};
> +
> +&i2c0 {
> + status = "okay";
> +};
>
> --
> 2.45.2
>
Have you test you patch with a real board? Especially
for device "uart1" and "i2c0", I suspect your
configuartion does not work by default.
Powered by blists - more mailing lists