linux-kernel - Re: [PATCH v11] arm64: dts: imx8qxp: Add jpeg encoder/decoder nodes

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Message-ID: <20210513073832.GS3425@dragon>
Date:   Thu, 13 May 2021 15:38:33 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     "Mirela Rabulea (OSS)" <mirela.rabulea@....nxp.com>
Cc:     robh+dt@...nel.org, aisheng.dong@....com, guoniu.zhou@....com,
        linux-arm-kernel@...ts.infradead.org, peng.fan@....com,
        s.hauer@...gutronix.de, linux-imx@....com,
        devicetree@...r.kernel.org, mchehab@...nel.org,
        hverkuil-cisco@...all.nl, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, paul.kocialkowski@...tlin.com,
        daniel.baluta@....com, robert.chiras@....com,
        laurentiu.palcu@....com, p.zabel@...gutronix.de,
        ezequiel@...labora.com, Mirela Rabulea <mirela.rabulea@....com>
Subject: Re: [PATCH v11] arm64: dts: imx8qxp: Add jpeg encoder/decoder nodes

On Fri, Apr 23, 2021 at 01:14:14PM +0300, Mirela Rabulea (OSS) wrote:
> From: Mirela Rabulea <mirela.rabulea@....com>
> 
> Add dts for imaging subsytem, include jpeg nodes here.
> Tested on imx8qxp only, should work on imx8qm, but it was not tested.
> 
> Signed-off-by: Mirela Rabulea <mirela.rabulea@....com>

So the bindings and driver parts have been accepted already?

> ---
> Changes in v11:
>   Adress feedback from Aisheng Dong:
>   - Rename img_jpeg_dec_clk/img_jpeg_enc_clk to jpeg_dec_lpcg/jpeg_enc_lpcg to make it visible it's lpcg not other type of clk
>   - Drop the cameradev node, not needed for jpeg
>   - Match assigned-clocks & assigned-clock-rates
> 
>  .../arm64/boot/dts/freescale/imx8-ss-img.dtsi | 82 +++++++++++++++++++
>  arch/arm64/boot/dts/freescale/imx8qxp.dtsi    |  1 +
>  2 files changed, 83 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8-ss-img.dtsi
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-img.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-img.dtsi
> new file mode 100644
> index 000000000000..c508e5d0c92b
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8-ss-img.dtsi
> @@ -0,0 +1,82 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright 2019-2021 NXP
> + * Zhou Guoniu <guoniu.zhou@....com>
> + */
> +img_subsys: bus@...00000 {
> +	compatible = "simple-bus";
> +	#address-cells = <1>;
> +	#size-cells = <1>;
> +	ranges = <0x58000000 0x0 0x58000000 0x1000000>;
> +
> +	img_ipg_clk: clock-img-ipg {
> +		compatible = "fixed-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <200000000>;
> +		clock-output-names = "img_ipg_clk";
> +	};

Hmm, not sure a fixed-clock should be in the subsystem.

> +
> +	img_jpeg_dec_lpcg: clock-controller@...d0000 {
> +		compatible = "fsl,imx8qxp-lpcg";
> +		reg = <0x585d0000 0x10000>;
> +		#clock-cells = <1>;
> +		clocks = <&img_ipg_clk>, <&img_ipg_clk>;
> +		clock-indices = <IMX_LPCG_CLK_0>,
> +				<IMX_LPCG_CLK_4>;
> +		clock-output-names = "img_jpeg_dec_lpcg_clk",
> +				     "img_jpeg_dec_lpcg_ipg_clk";
> +		power-domains = <&pd IMX_SC_R_MJPEG_DEC_MP>;
> +	};
> +
> +	img_jpeg_enc_lpcg: clock-controller@...f0000 {
> +		compatible = "fsl,imx8qxp-lpcg";
> +		reg = <0x585f0000 0x10000>;
> +		#clock-cells = <1>;
> +		clocks = <&img_ipg_clk>, <&img_ipg_clk>;
> +		clock-indices = <IMX_LPCG_CLK_0>,
> +				<IMX_LPCG_CLK_4>;
> +		clock-output-names = "img_jpeg_enc_lpcg_clk",
> +				     "img_jpeg_enc_lpcg_ipg_clk";
> +		power-domains = <&pd IMX_SC_R_MJPEG_ENC_MP>;
> +	};
> +
> +	jpegdec: jpegdec@...00000 {

Keep nodes sorted in unit address.

Shawn

> +		compatible = "nxp,imx8qxp-jpgdec";
> +		reg = <0x58400000 0x00050000 >;
> +		interrupts = <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 311 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&img_jpeg_dec_lpcg 0>,
> +			 <&img_jpeg_dec_lpcg 1>;
> +		clock-names = "per", "ipg";
> +		assigned-clocks = <&img_jpeg_dec_lpcg 0>,
> +				  <&img_jpeg_dec_lpcg 1>;
> +		assigned-clock-rates = <200000000>, <200000000>;
> +		power-domains = <&pd IMX_SC_R_MJPEG_DEC_MP>,
> +				<&pd IMX_SC_R_MJPEG_DEC_S0>,
> +				<&pd IMX_SC_R_MJPEG_DEC_S1>,
> +				<&pd IMX_SC_R_MJPEG_DEC_S2>,
> +				<&pd IMX_SC_R_MJPEG_DEC_S3>;
> +	};
> +
> +	jpegenc: jpegenc@...50000 {
> +		compatible = "nxp,imx8qxp-jpgenc";
> +		reg = <0x58450000 0x00050000 >;
> +		interrupts = <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&img_jpeg_enc_lpcg 0>,
> +			 <&img_jpeg_enc_lpcg 1>;
> +		clock-names = "per", "ipg";
> +		assigned-clocks = <&img_jpeg_enc_lpcg 0>,
> +				  <&img_jpeg_enc_lpcg 1>;
> +		assigned-clock-rates = <200000000>, <200000000>;
> +		power-domains = <&pd IMX_SC_R_MJPEG_ENC_MP>,
> +				<&pd IMX_SC_R_MJPEG_ENC_S0>,
> +				<&pd IMX_SC_R_MJPEG_ENC_S1>,
> +				<&pd IMX_SC_R_MJPEG_ENC_S2>,
> +				<&pd IMX_SC_R_MJPEG_ENC_S3>;
> +	};
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> index 1e6b4995091e..2d9589309bd0 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> @@ -258,6 +258,7 @@
>  	};
>  
>  	/* sorted in register address */
> +	#include "imx8-ss-img.dtsi"
>  	#include "imx8-ss-adma.dtsi"
>  	#include "imx8-ss-conn.dtsi"
>  	#include "imx8-ss-ddr.dtsi"
> -- 
> 2.17.1
>