RE: [PATCH] arm64: dts: imx8-ss-img: Assign slot for imx jpeg encoder/decoder

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Hi Ming,

> -----Original Message-----
> From: Ming Qian <ming.qian@xxxxxxx>
> Sent: Thursday, June 1, 2023 5:38 AM
> To: shawnguo@xxxxxxxxxx; Mirela Rabulea (OSS) <mirela.rabulea@xxxxxxxxxxx>
> Cc: robh+dt@xxxxxxxxxx; s.hauer@xxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; dl-
> linux-imx <linux-imx@xxxxxxx>; linux-media@xxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx
> Subject: [PATCH] arm64: dts: imx8-ss-img: Assign slot for imx jpeg
> encoder/decoder
> 
> assign a single slot,

As I mentioned for the first patch of this series, I don't think it's ok to limit the driver to using just one slot, the slot which is hardcoded in the dts. I suggest to hold off this patch series until we have a more clear picture how we want to change it for imx9.

Regards,
Mirela

> configure interrupt and power domain only for 1 slot, not for the all 4 slots.
> 
> Signed-off-by: Ming Qian <ming.qian@xxxxxxx>
> ---
>  .../arm64/boot/dts/freescale/imx8-ss-img.dtsi | 22 +++++--------------
>  1 file changed, 6 insertions(+), 16 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-img.dtsi
> b/arch/arm64/boot/dts/freescale/imx8-ss-img.dtsi
> index a90654155a88..176dcce24b64 100644
> --- a/arch/arm64/boot/dts/freescale/imx8-ss-img.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8-ss-img.dtsi
> @@ -18,10 +18,7 @@ img_ipg_clk: clock-img-ipg {
> 
>  	jpegdec: jpegdec@58400000 {
>  		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>;
> +		interrupts = <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>;
>  		clocks = <&img_jpeg_dec_lpcg IMX_LPCG_CLK_0>,
>  			 <&img_jpeg_dec_lpcg IMX_LPCG_CLK_4>;
>  		clock-names = "per", "ipg";
> @@ -29,18 +26,13 @@ jpegdec: jpegdec@58400000 {
>  				  <&img_jpeg_dec_lpcg IMX_LPCG_CLK_4>;
>  		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>;
> +				<&pd IMX_SC_R_MJPEG_DEC_S0>;
> +		slot = <0>;
>  	};
> 
>  	jpegenc: jpegenc@58450000 {
>  		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>;
> +		interrupts = <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>;
>  		clocks = <&img_jpeg_enc_lpcg IMX_LPCG_CLK_0>,
>  			 <&img_jpeg_enc_lpcg IMX_LPCG_CLK_4>;
>  		clock-names = "per", "ipg";
> @@ -48,10 +40,8 @@ jpegenc: jpegenc@58450000 {
>  				  <&img_jpeg_enc_lpcg IMX_LPCG_CLK_4>;
>  		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>;
> +				<&pd IMX_SC_R_MJPEG_ENC_S0>;
> +		slot = <0>;
>  	};
> 
>  	img_jpeg_dec_lpcg: clock-controller@585d0000 {
> --
> 2.38.1





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