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From: Maxime Ripard <maxime@cerno.tech>
To: guoren@kernel.org
Cc: anup.patel@wdc.com, palmerdabbelt@google.com, arnd@arndb.de,
	wens@csie.org, drew@beagleboard.org, liush@allwinnertech.com,
	lazyparser@gmail.com, wefu@redhat.com,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	linux-arch@vger.kernel.org, linux-sunxi@lists.linux.dev,
	Guo Ren <guoren@linux.alibaba.com>,
	Atish Patra <atish.patra@wdc.com>, Christoph Hellwig <hch@lst.de>
Subject: Re: [RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board
Date: Mon, 7 Jun 2021 09:24:34 +0200	[thread overview]
Message-ID: <20210607072434.3g3bqxdlpxjirg6k@gilmour> (raw)
In-Reply-To: <1622970249-50770-13-git-send-email-guoren@kernel.org>

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Hi,

Thanks for the patches

On Sun, Jun 06, 2021 at 09:04:07AM +0000, guoren@kernel.org wrote:
> From: Guo Ren <guoren@linux.alibaba.com>
> 
> Add initial DTS for Allwinner D1 NeZha board having only essential
> devices (uart, dummy, clock, reset, clint, plic, etc).
> 
> Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
> Co-Developed-by: Liu Shaohua <liush@allwinnertech.com>
> Signed-off-by: Liu Shaohua <liush@allwinnertech.com>
> Cc: Anup Patel <anup.patel@wdc.com>
> Cc: Atish Patra <atish.patra@wdc.com>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Chen-Yu Tsai <wens@csie.org>
> Cc: Drew Fustini <drew@beagleboard.org>
> Cc: Maxime Ripard <maxime@cerno.tech>
> Cc: Palmer Dabbelt <palmerdabbelt@google.com>
> Cc: Wei Fu <wefu@redhat.com>
> Cc: Wei Wu <lazyparser@gmail.com>
> ---
>  arch/riscv/boot/dts/Makefile                       |  1 +
>  arch/riscv/boot/dts/allwinner/Makefile             |  2 +
>  .../boot/dts/allwinner/allwinner-d1-nezha-kit.dts  | 29 ++++++++
>  arch/riscv/boot/dts/allwinner/allwinner-d1.dtsi    | 84 ++++++++++++++++++++++

Can you add the riscv folder to our MAINTAINERS entry as well?

>  4 files changed, 116 insertions(+)
>  create mode 100644 arch/riscv/boot/dts/allwinner/Makefile
>  create mode 100644 arch/riscv/boot/dts/allwinner/allwinner-d1-nezha-kit.dts
>  create mode 100644 arch/riscv/boot/dts/allwinner/allwinner-d1.dtsi
> 
> diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile
> index fe996b8..3e7b264 100644
> --- a/arch/riscv/boot/dts/Makefile
> +++ b/arch/riscv/boot/dts/Makefile
> @@ -2,5 +2,6 @@
>  subdir-y += sifive
>  subdir-$(CONFIG_SOC_CANAAN_K210_DTB_BUILTIN) += canaan
>  subdir-y += microchip
> +subdir-y += allwinner

I assume they should be ordered alphabetically?

>  obj-$(CONFIG_BUILTIN_DTB) := $(addsuffix /, $(subdir-y))
> diff --git a/arch/riscv/boot/dts/allwinner/Makefile b/arch/riscv/boot/dts/allwinner/Makefile
> new file mode 100644
> index 00000000..4adbf4b
> --- /dev/null
> +++ b/arch/riscv/boot/dts/allwinner/Makefile
> @@ -0,0 +1,2 @@
> +# SPDX-License-Identifier: GPL-2.0
> +dtb-$(CONFIG_SOC_SUNXI) += allwinner-d1-nezha-kit.dtb
> diff --git a/arch/riscv/boot/dts/allwinner/allwinner-d1-nezha-kit.dts b/arch/riscv/boot/dts/allwinner/allwinner-d1-nezha-kit.dts
> new file mode 100644
> index 00000000..cd9f7c9
> --- /dev/null
> +++ b/arch/riscv/boot/dts/allwinner/allwinner-d1-nezha-kit.dts
> @@ -0,0 +1,29 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +
> +/dts-v1/;
> +
> +#include "allwinner-d1.dtsi"
> +
> +/ {
> +	#address-cells = <2>;
> +	#size-cells = <2>;
> +	model = "Allwinner D1 NeZha Kit";
> +	compatible = "allwinner,d1-nezha-kit";
> +
> +	chosen {
> +		bootargs = "console=ttyS0,115200";
> +		stdout-path = &serial0;
> +	};
> +
> +	memory@40000000 {
> +		device_type = "memory";
> +		reg = <0x0 0x40000000 0x0 0x20000000>;
> +	};
> +
> +	soc {
> +	};
> +};
> +
> +&serial0 {
> +	status = "okay";
> +};
> diff --git a/arch/riscv/boot/dts/allwinner/allwinner-d1.dtsi b/arch/riscv/boot/dts/allwinner/allwinner-d1.dtsi
> new file mode 100644
> index 00000000..11cd938
> --- /dev/null
> +++ b/arch/riscv/boot/dts/allwinner/allwinner-d1.dtsi
> @@ -0,0 +1,84 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +
> +/dts-v1/;
> +
> +/ {
> +	#address-cells = <2>;
> +	#size-cells = <2>;
> +	model = "Allwinner D1 Soc";
> +	compatible = "allwinner,d1-nezha-kit";
> +
> +	chosen {
> +	};
> +
> +	cpus {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		timebase-frequency = <2400000>;
> +		cpu@0 {
> +			device_type = "cpu";
> +			reg = <0>;
> +			status = "okay";
> +			compatible = "riscv";
> +			riscv,isa = "rv64imafdcv";
> +			mmu-type = "riscv,sv39";
> +			cpu0_intc: interrupt-controller {
> +				#interrupt-cells = <1>;
> +				compatible = "riscv,cpu-intc";
> +				interrupt-controller;
> +			};
> +		};
> +	};
> +
> +	soc {
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		compatible = "simple-bus";
> +		ranges;
> +
> +		reset: reset-sample {
> +			compatible = "thead,reset-sample";
> +			plic-delegate = <0x0 0x101ffffc>;
> +		};

This compatible is not documented anywhere?

Maxime

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  parent reply	other threads:[~2021-06-07  7:24 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-06  9:03 [RFC PATCH v2 00/11] riscv: Add DMA_COHERENT support for Allwinner D1 guoren
2021-06-06  9:03 ` [RFC PATCH v2 01/11] riscv: asid: Use global mappings for kernel pages guoren
2021-06-06  9:03 ` [PATCH V5 1/3] riscv: " guoren
2021-06-06  9:03 ` [PATCH V5 2/3] riscv: Add ASID-based tlbflushing methods guoren
2021-06-06 14:38   ` Christoph Hellwig
2021-06-06  9:03 ` [RFC PATCH v2 02/11] riscv: asid: " guoren
2021-06-06  9:04 ` [RFC PATCH v2 03/11] riscv: asid: Optimize tlbflush coding convention guoren
2021-06-06  9:04 ` [PATCH V5 3/3] riscv: tlbflush: Optimize " guoren
2021-06-06  9:04 ` [RFC PATCH v2 04/11] riscv: pgtable: Fixup _PAGE_CHG_MASK usage guoren
2021-06-06  9:04 ` [RFC PATCH v2 05/11] riscv: pgtable: Add custom protection_map init guoren
2021-06-06  9:04 ` [RFC PATCH v2 06/11] riscv: pgtable: Add DMA_COHERENT with custom PTE attributes guoren
2021-06-06 14:39   ` Christoph Hellwig
2021-06-06 15:08     ` Guo Ren
2021-06-06 17:22   ` Nick Kossifidis
2021-06-07  6:19     ` Christoph Hellwig
2021-06-06  9:04 ` [RFC PATCH v2 07/11] riscv: cmo: Add dma-noncoherency support guoren
2021-06-06  9:04 ` [RFC PATCH v2 08/11] riscv: cmo: Add vendor custom icache sync guoren
2021-06-06  9:04 ` [RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board guoren
2021-06-06 16:26   ` Jernej Škrabec
2021-06-06 17:05     ` Guo Ren
2021-06-07  3:44     ` Guo Ren
2021-06-07  7:27       ` Maxime Ripard
2021-06-07  7:53         ` Guo Ren
2021-06-07  7:24   ` Maxime Ripard [this message]
2021-06-07  8:07     ` Guo Ren
2021-06-14 15:33       ` Maxime Ripard
2021-06-14 16:28         ` Guo Ren
2021-06-14 16:31           ` Jernej Škrabec
2021-06-06  9:04 ` [RFC PATCH v2 10/11] riscv: soc: Add Allwinner SoC kconfig option guoren
2021-06-07  7:19   ` Maxime Ripard
2021-06-07  7:27     ` Arnd Bergmann
2021-06-07  7:45       ` Guo Ren
2021-06-07  7:43     ` Guo Ren
2021-06-07 12:12       ` Maxime Ripard
2021-06-07 12:39         ` Guo Ren
2021-06-06  9:04 ` [RFC PATCH v2 11/11] riscv: soc: Allwinner D1 GMAC driver only for temp use guoren
2021-06-06 10:50   ` Andre Przywara
2021-06-06 15:32     ` Guo Ren
2021-06-06 15:39       ` Jernej Škrabec
2021-06-06 15:41         ` Guo Ren
2021-06-06 16:16   ` Arnd Bergmann
2021-06-06 16:32     ` Jernej Škrabec
2021-06-06 16:53       ` Guo Ren
2021-06-06 16:53     ` Guo Ren
2021-06-06 16:29 ` [RFC PATCH v2 00/11] riscv: Add DMA_COHERENT support for Allwinner D1 Jernej Škrabec
2021-06-06 16:54   ` Guo Ren
2021-06-06 17:14     ` Jernej Škrabec
2021-06-06 23:42       ` Guo Ren
2021-06-07  3:44 ` Anup Patel
2021-06-07  4:36   ` Guo Ren

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