Hi Laurent,
Am Montag, 25. März 2024, 16:13:39 CET schrieb Laurent Pinchart:
> From: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx>
>
> The ISP supports both CSI and parallel interfaces, where port 0
> corresponds to the former and port 1 corresponds to the latter. Since
> the i.MX8MP's ISPs are connected by the parallel interface to the CSI
> receiver, set them both to port 1.
>
> Signed-off-by: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> Changes since v1:
>
> - Fix clock ordering
> - Add #address-cells and #size-cells to ports nodes
> ---
> arch/arm64/boot/dts/freescale/imx8mp.dtsi | 50 +++++++++++++++++++++++
> 1 file changed, 50 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index bfc5c81a5bd4..1d2670b91b53 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -1616,6 +1616,56 @@ isi_in_1: endpoint {
> };
> };
>
> + isp_0: isp@32e10000 {
> + compatible = "fsl,imx8mp-isp";
> + reg = <0x32e10000 0x10000>;
> + interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clk IMX8MP_CLK_MEDIA_ISP_ROOT>,
> + <&clk IMX8MP_CLK_MEDIA_AXI_ROOT>,
> + <&clk IMX8MP_CLK_MEDIA_APB_ROOT>;
> + clock-names = "isp", "aclk", "hclk";
> + assigned-clocks = <&clk IMX8MP_CLK_MEDIA_ISP>;
> + assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>;
> + assigned-clock-rates = <500000000>;
> + power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_ISP>;
> + fsl,blk-ctrl = <&media_blk_ctrl 0>;
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + reg = <1>;
> + };
> + };
> + };
> +
> + isp_1: isp@32e20000 {
> + compatible = "fsl,imx8mp-isp";
> + reg = <0x32e20000 0x10000>;
> + interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clk IMX8MP_CLK_MEDIA_ISP_ROOT>,
> + <&clk IMX8MP_CLK_MEDIA_AXI_ROOT>,
> + <&clk IMX8MP_CLK_MEDIA_APB_ROOT>;
> + clock-names = "isp", "aclk", "hclk";
> + assigned-clocks = <&clk IMX8MP_CLK_MEDIA_ISP>;
> + assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>;
> + assigned-clock-rates = <500000000>;
> + power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_ISP>;
> + fsl,blk-ctrl = <&media_blk_ctrl 1>;
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + reg = <1>;
> + };
> + };
> + };
> +
The patch itself is okay. But you might not be able to
configure the parent of IMX8MP_CLK_MEDIA_ISP if dewarp is enabled before.
This is due to IMX8MP_CLK_MEDIA_ISP_ROOT being enabled in 'pgc_ispdwp'
power domain. Reparenting is not possible anymore in this case.
Something like
---8<---
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -1837,11 +1837,13 @@ media_blk_ctrl: blk-ctrl@32ec0000 {
<&clk IMX8MP_CLK_MEDIA_APB>,
<&clk IMX8MP_CLK_MEDIA_DISP1_PIX>,
<&clk IMX8MP_CLK_MEDIA_DISP2_PIX>,
+ <&clk IMX8MP_CLK_MEDIA_ISP>,
<&clk IMX8MP_VIDEO_PLL1>;
assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_1000M>,
<&clk IMX8MP_SYS_PLL1_800M>,
<&clk IMX8MP_VIDEO_PLL1_OUT>,
- <&clk IMX8MP_VIDEO_PLL1_OUT>;
+ <&clk IMX8MP_VIDEO_PLL1_OUT>,
+ <&clk IMX8MP_SYS_PLL2_500M>;
assigned-clock-rates = <500000000>, <200000000>,
<0>, <0>, <1039500000>;
#power-domain-cells = <1>;
---8<---
is needed.
Best regards,
Alexander
> dewarp: dwe@32e30000 {
> compatible = "nxp,imx8mp-dw100";
> reg = <0x32e30000 0x10000>;
>
> base-commit: 4cece764965020c22cff7665b18a012006359095
>
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