From: Rob Herring <robh@kernel.org>
To: Paul Cercueil <paul@crapouillou.net>
Cc: Ohad Ben-Cohen <ohad@wizery.com>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Mark Rutland <mark.rutland@arm.com>,
Paul Burton <paul.burton@mips.com>,
od@zcrc.me, linux-remoteproc@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/3] dt-bindings: Document JZ47xx VPU auxiliary processor
Date: Tue, 20 Aug 2019 15:50:44 -0500 [thread overview]
Message-ID: <20190820205044.GA1223@bogus> (raw)
In-Reply-To: <20190729183109.18283-1-paul@crapouillou.net>
On Mon, Jul 29, 2019 at 02:31:07PM -0400, Paul Cercueil wrote:
> Inside the Video Processing Unit (VPU) of the recent JZ47xx SoCs from
> Ingenic is a second Xburst MIPS CPU very similar to the main core.
> This document describes the devicetree bindings for this auxiliary
> processor.
>
> Signed-off-by: Paul Cercueil <paul@crapouillou.net>
> ---
>
> Notes:
> v2: Update TCSM0 address in example
>
> .../bindings/remoteproc/ingenic,vpu.txt | 36 +++++++++++++++++++
> 1 file changed, 36 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/remoteproc/ingenic,vpu.txt
>
> diff --git a/Documentation/devicetree/bindings/remoteproc/ingenic,vpu.txt b/Documentation/devicetree/bindings/remoteproc/ingenic,vpu.txt
> new file mode 100644
> index 000000000000..576f9e582780
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/remoteproc/ingenic,vpu.txt
> @@ -0,0 +1,36 @@
> +* Ingenic JZ47xx auxiliary processor
> +
> +Inside the Video Processing Unit (VPU) of the recent JZ47xx SoCs from Ingenic
> +is a second Xburst MIPS CPU very similar to the main core.
> +This document describes the devicetree bindings for this auxiliary processor.
> +
> +Required properties:
> +- compatible: Should be "ingenic,jz4770-vpu-rproc"
> +- reg: Must contain the registers location and length for:
> + * the auxiliary processor,
> + * the Tightly Coupled Shared Memory 0 (TCSM0),
> + * the Tightly Coupled Shared Memory 1 (TCSM1),
> + * the shared SRAM.
> +- reg-names: Must contain "aux", "tcsm0", "tcsm1", "sram".
> +- clocks: Clock specifier for the AUX and VPU clocks.
> +- clock-names: Must contain "aux", "vpu".
> +- interrupts: Interrupt specifier for the VPU hardware block.
> +
> +Example:
> +
> +vpu: cpu@132a0000 {
cpu is reserved for CPUs under /cpus/. Use video-codec or video-decoder
or ?? It's not clear what type of video processing this does.
> + compatible = "ingenic,jz4770-vpu-rproc";
> +
> + reg = <0x132a0000 0x20 /* AUX */
> + 0x132b0000 0x4000 /* TCSM0 */
> + 0x132c0000 0xc000 /* TCSM1 */
> + 0x132f0000 0x7000 /* SRAM */
> + >;
> + reg-names = "aux", "tcsm0", "tcsm1", "sram";
> +
> + clocks = <&cgu JZ4770_CLK_AUX>, <&cgu JZ4770_CLK_VPU>;
> + clock-names = "aux", "vpu";
> +
> + interrupt-parent = <&cpuintc>;
> + interrupts = <3>;
> +};
> --
> 2.21.0.593.g511ec345e18
>
next prev parent reply other threads:[~2019-08-20 20:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-29 18:31 [PATCH v2 1/3] dt-bindings: Document JZ47xx VPU auxiliary processor Paul Cercueil
2019-07-29 18:31 ` [PATCH v2 2/3] remoteproc: Add prepare/unprepare callbacks Paul Cercueil
2019-07-29 18:31 ` [PATCH v2 3/3] remoteproc: ingenic: Added remoteproc driver Paul Cercueil
2019-08-26 22:25 ` Bjorn Andersson
2019-11-08 18:05 ` Paul Cercueil
2019-08-20 20:50 ` Rob Herring [this message]
2019-08-21 10:47 ` [PATCH v2 1/3] dt-bindings: Document JZ47xx VPU auxiliary processor Paul Cercueil
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