From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Cc: Rob Herring <robh+dt@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-api@vger.kernel.org,
linux-kernel@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Chris Paterson <Chris.Paterson2@renesas.com>,
Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com>,
Phil Edworthy <phil.edworthy@renesas.com>,
Dirk Behme <Dirk.Behme@de.bosch.com>,
Peter Erben <Peter.Erben@de.bosch.com>
Subject: Re: [PATCH 0/7] Add FFT Support for R-Car Gen3 devices
Date: Fri, 26 Feb 2021 14:20:48 +0200 [thread overview]
Message-ID: <YDjnoGDOCXm86ffW@pendragon.ideasonboard.com> (raw)
In-Reply-To: <20210225225147.29920-1-fabrizio.castro.jz@renesas.com>
Hi Fabrizio,
On Thu, Feb 25, 2021 at 10:51:40PM +0000, Fabrizio Castro wrote:
> The DAB hardware accelerator found on R-Car E3 (a.k.a. r8a77990)
> and R-Car M3-N (a.k.a. r8a77965) devices is a hardware accelerator
> for software DAB demodulators.
> It consists of one FFT (Fast Fourier Transform) module and one
> decoder module, compatible with DAB specification (ETSI EN 300 401
> and ETSI TS 102 563).
> The decoder module can perform FIC decoding and MSC decoding
> processing from de-puncture to final decoded result.
>
> This series adds FFT support only for R-Car E3 and R-Car M3-N,
> FIC and MSC support will be added later on.
Out of curiosity, could the FFT module be used as an accelerator for 2D
FFT on images ?
> Fabrizio Castro (7):
> clk: renesas: r8a77990: Add DAB clock
> clk: renesas: r8a77965: Add DAB clock
> dt-bindings: misc: Add binding for R-Car DAB
> misc: Add driver for DAB IP found on Renesas R-Car devices
> arm64: dts: renesas: r8a77990: Add DAB support
> arm64: dts: renesas: r8a77965: Add DAB support
> arm64: configs: Add R-Car DAB support
>
> .../devicetree/bindings/misc/renesas,dab.yaml | 75 ++++++++
> MAINTAINERS | 7 +
> arch/arm64/boot/dts/renesas/r8a77965.dtsi | 12 ++
> arch/arm64/boot/dts/renesas/r8a77990.dtsi | 12 ++
> arch/arm64/configs/defconfig | 1 +
> drivers/clk/renesas/r8a77965-cpg-mssr.c | 1 +
> drivers/clk/renesas/r8a77990-cpg-mssr.c | 1 +
> drivers/misc/Kconfig | 1 +
> drivers/misc/Makefile | 1 +
> drivers/misc/rcar_dab/Kconfig | 11 ++
> drivers/misc/rcar_dab/Makefile | 8 +
> drivers/misc/rcar_dab/rcar_dev.c | 176 ++++++++++++++++++
> drivers/misc/rcar_dab/rcar_dev.h | 116 ++++++++++++
> drivers/misc/rcar_dab/rcar_fft.c | 160 ++++++++++++++++
> include/uapi/linux/rcar_dab.h | 35 ++++
> 15 files changed, 617 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/misc/renesas,dab.yaml
> create mode 100644 drivers/misc/rcar_dab/Kconfig
> create mode 100644 drivers/misc/rcar_dab/Makefile
> create mode 100644 drivers/misc/rcar_dab/rcar_dev.c
> create mode 100644 drivers/misc/rcar_dab/rcar_dev.h
> create mode 100644 drivers/misc/rcar_dab/rcar_fft.c
> create mode 100644 include/uapi/linux/rcar_dab.h
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2021-02-26 12:22 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-25 22:51 [PATCH 0/7] Add FFT Support for R-Car Gen3 devices Fabrizio Castro
2021-02-25 22:51 ` [PATCH 1/7] clk: renesas: r8a77990: Add DAB clock Fabrizio Castro
2021-02-26 8:34 ` Geert Uytterhoeven
2021-03-01 14:47 ` Fabrizio Castro
2021-03-03 10:22 ` Fabrizio Castro
2021-02-25 22:51 ` [PATCH 2/7] clk: renesas: r8a77965: " Fabrizio Castro
2021-02-26 8:45 ` Geert Uytterhoeven
2021-02-26 12:48 ` Laurent Pinchart
2021-03-01 15:01 ` Fabrizio Castro
2021-03-03 10:23 ` Fabrizio Castro
2021-03-01 14:58 ` Fabrizio Castro
2021-02-25 22:51 ` [PATCH 3/7] dt-bindings: misc: Add binding for R-Car DAB Fabrizio Castro
2021-02-26 8:41 ` Geert Uytterhoeven
2021-03-01 15:10 ` Fabrizio Castro
2021-02-26 9:06 ` Sergei Shtylyov
2021-03-01 15:11 ` Fabrizio Castro
2021-02-26 13:01 ` Laurent Pinchart
2021-03-01 15:13 ` Fabrizio Castro
2021-02-25 22:51 ` [PATCH 4/7] misc: Add driver for DAB IP found on Renesas R-Car devices Fabrizio Castro
2021-02-26 4:57 ` kernel test robot
2021-02-26 9:34 ` Geert Uytterhoeven
2021-03-01 16:19 ` Fabrizio Castro
2021-02-26 10:37 ` Arnd Bergmann
2021-02-26 13:05 ` Laurent Pinchart
2021-03-01 17:54 ` Fabrizio Castro
2021-03-01 17:26 ` Fabrizio Castro
2021-03-02 11:16 ` Ezequiel Garcia
2021-03-02 12:20 ` Fabrizio Castro
2021-03-02 12:32 ` Laurent Pinchart
2021-03-03 10:20 ` Fabrizio Castro
2021-03-03 10:26 ` Geert Uytterhoeven
2021-03-03 10:43 ` Fabrizio Castro
2021-02-25 22:51 ` [PATCH 5/7] arm64: dts: renesas: r8a77990: Add DAB support Fabrizio Castro
2021-02-26 9:37 ` Geert Uytterhoeven
2021-03-01 14:51 ` Fabrizio Castro
2021-02-26 12:47 ` Laurent Pinchart
2021-03-01 14:53 ` Fabrizio Castro
2021-02-25 22:51 ` [PATCH 6/7] arm64: dts: renesas: r8a77965: " Fabrizio Castro
2021-02-26 9:37 ` Geert Uytterhoeven
2021-03-01 14:54 ` Fabrizio Castro
2021-02-26 12:47 ` Laurent Pinchart
2021-03-01 14:55 ` Fabrizio Castro
2021-02-25 22:51 ` [PATCH 7/7] arm64: configs: Add R-Car " Fabrizio Castro
2021-02-26 12:52 ` Laurent Pinchart
2021-02-26 13:05 ` Geert Uytterhoeven
2021-02-26 12:20 ` Laurent Pinchart [this message]
2021-03-01 14:50 ` [PATCH 0/7] Add FFT Support for R-Car Gen3 devices Fabrizio Castro
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