[PATCH v2] arm64: dts: imx8mp: Add Hantro G1, G2 DT nodes

Laurent Pinchart laurent.pinchart at ideasonboard.com
Sun Dec 18 06:54:32 PST 2022


Hi Marek,

Thank you for the patch.

On Sun, Dec 18, 2022 at 05:20:56AM +0100, Marek Vasut wrote:
> Add DT nodes for the Hantro VPU found in i.MX8MP SoC.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> ---
> Cc: Abel Vesa <abel.vesa at nxp.com>
> Cc: Adam Ford <aford173 at gmail.com>
> Cc: Alexander Stein <alexander.stein at ew.tq-group.com>
> Cc: Ezequiel Garcia <ezequiel at vanguardiasur.com.ar>
> Cc: Fabio Estevam <festevam at gmail.com>
> Cc: Jacky Bai <ping.bai at nxp.com>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt at linaro.org>
> Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> Cc: Lucas Stach <l.stach at pengutronix.de>
> Cc: Marek Vasut <marex at denx.de>
> Cc: Markus Niebel <Markus.Niebel at ew.tq-group.com>
> Cc: NXP Linux Team <linux-imx at nxp.com>
> Cc: Peng Fan <peng.fan at nxp.com>
> Cc: Pengutronix Kernel Team <kernel at pengutronix.de>
> Cc: Richard Cochran <richardcochran at gmail.com>
> Cc: Richard Zhu <hongxing.zhu at nxp.com>
> Cc: Rob Herring <robh+dt at kernel.org>
> Cc: Sascha Hauer <s.hauer at pengutronix.de>
> Cc: Shawn Guo <shawnguo at kernel.org>
> To: linux-arm-kernel at lists.infradead.org
> ---
> V2: Drop the VC8000E
> ---
>  arch/arm64/boot/dts/freescale/imx8mp.dtsi | 25 +++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index 34c2c80c47eb5..d472170ee9ff1 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -1639,6 +1639,28 @@ gpu2d: gpu at 38008000 {
>  			power-domains = <&pgc_gpu2d>;
>  		};
>  
> +		vpu_g1: video-codec at 38300000 {
> +			compatible = "nxp,imx8mm-vpu-g1";
> +			reg = <0x38300000 0x10000>;
> +			interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&clk IMX8MP_CLK_VPU_G1_ROOT>;
> +			assigned-clocks = <&clk IMX8MP_CLK_VPU_G1>;
> +			assigned-clock-parents = <&clk IMX8MP_VPU_PLL_OUT>;
> +			assigned-clock-rates = <700000000>;
> +			power-domains = <&vpumix_blk_ctrl IMX8MP_VPUBLK_PD_G1>;
> +		};
> +
> +		vpu_g2: video-codec at 38310000 {
> +			compatible = "nxp,imx8mq-vpu-g2";
> +			reg = <0x38310000 0x10000>;
> +			interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&clk IMX8MP_CLK_VPU_G2_ROOT>;
> +			assigned-clocks = <&clk IMX8MP_CLK_VPU_G2>;
> +			assigned-clock-parents = <&clk IMX8MP_VPU_PLL_OUT>;
> +			assigned-clock-rates = <700000000>;
> +			power-domains = <&vpumix_blk_ctrl IMX8MP_VPUBLK_PD_G2>;
> +		};
> +
>  		vpumix_blk_ctrl: blk-ctrl at 38330000 {
>  			compatible = "fsl,imx8mp-vpu-blk-ctrl", "syscon";
>  			reg = <0x38330000 0x100>;
> @@ -1650,6 +1672,9 @@ vpumix_blk_ctrl: blk-ctrl at 38330000 {
>  				 <&clk IMX8MP_CLK_VPU_G2_ROOT>,
>  				 <&clk IMX8MP_CLK_VPU_VC8KE_ROOT>;
>  			clock-names = "g1", "g2", "vc8000e";
> +			assigned-clocks = <&clk IMX8MP_CLK_VPU_BUS>;
> +			assigned-clock-parents = <&clk IMX8MP_VPU_PLL_OUT>;
> +			assigned-clock-rates = <700000000>;

Those three assigned-clock-rates all configure the same IMX8MP_VPU_PLL
clock. It's a bit redundant, and maybe we could instead configure
IMX8MP_VPU_PLL explicitly. This being said, I'm fine with this patch
as-is.

Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

>  			interconnects = <&noc IMX8MP_ICM_VPU_G1 &noc IMX8MP_ICN_VIDEO>,
>  					<&noc IMX8MP_ICM_VPU_G2 &noc IMX8MP_ICN_VIDEO>,
>  					<&noc IMX8MP_ICM_VPU_H1 &noc IMX8MP_ICN_VIDEO>;

-- 
Regards,

Laurent Pinchart



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