RE: [PATCH v11] arm64: dts: imx8qxp: Add jpeg encoder/decoder nodes

[Aisheng Dong]

> From: Abel Vesa <abelvesa@xxxxxxxxxx>
> Sent: Friday, May 14, 2021 6:25 PM
> 
> On 21-05-13 15:38:33, Shawn Guo wrote:
> > On Fri, Apr 23, 2021 at 01:14:14PM +0300, Mirela Rabulea (OSS) wrote:
> > > From: Mirela Rabulea <mirela.rabulea@xxxxxxx>
> > >
> > > 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@xxxxxxx>
> >
> > 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@xxxxxxx>  */
> > > +img_subsys: bus@58000000 {
> > > +	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.
> >
> 
> Agreed. Assuming the img_ipg_clk is only used on 8QXP, you could move it
> into imx8qxp-ss-img.dtsi. This way every other platform that uses this ss file
> will not be impacted.
> 

Imx_ipg_clk is used in this patch.
Here we define subsys.dtsi mostly based on MX8QXP.
MX8QM can overwrite it in QM subsys.dtsi if needed.

Regards
Aisheng


> > > +
> > > +	img_jpeg_dec_lpcg: clock-controller@585d0000 {
> > > +		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@585f0000 {
> > > +		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@58400000 {
> >
> > 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@58450000 {
> > > +		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
> > >