On Mon, Jun 21, 2021 at 2:25 AM Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> Add eLCDIF controller node for i.MX8MM.
>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/freescale/imx8mm.dtsi | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> index fe5485ee9419..5f68182ed3a6 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> @@ -1030,6 +1030,25 @@ aips4: bus@32c00000 {
> #size-cells = <1>;
> ranges = <0x32c00000 0x32c00000 0x400000>;
>
> + lcdif: lcdif@32e00000 {
> + compatible = "fsl,imx8mm-lcdif", "fsl,imx6sx-lcdif";
Based on a comment I read from Marek [1] from this patch series for
the driver, I think fallback compatible should be fsl,imx28-lcdif.
"The iMX8MM and iMX8MN do not support the overlay plane, so they are MXSFB V4"
[1] - https://patchwork.kernel.org/project/dri-devel/patch/20210620224834.189411-1-marex@xxxxxxx/
adam
> + reg = <0x32e00000 0x10000>;
> + clocks = <&clk IMX8MM_CLK_LCDIF_PIXEL>,
> + <&clk IMX8MM_CLK_DISP_AXI_ROOT>,
> + <&clk IMX8MM_CLK_DISP_APB_ROOT>;
> + clock-names = "pix", "disp_axi", "axi";
> + assigned-clocks = <&clk IMX8MM_CLK_LCDIF_PIXEL>,
> + <&clk IMX8MM_CLK_DISP_AXI>,
> + <&clk IMX8MM_CLK_DISP_APB>;
> + assigned-clock-parents = <&clk IMX8MM_VIDEO_PLL1_OUT>,
> + <&clk IMX8MM_SYS_PLL2_1000M>,
> + <&clk IMX8MM_SYS_PLL1_800M>;
> + assigned-clock-rate = <594000000>, <500000000>, <200000000>;
> + interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
> + power-domains = <&dispmix_blk_ctl IMX8MM_BLK_CTL_PD_DISPMIX_LCDIF>;
> + status = "disabled";
> + };
> +
> dispmix_blk_ctl: blk-ctl@32e28000 {
> compatible = "fsl,imx8mm-dispmix-blk-ctl", "syscon";
> reg = <0x32e28000 0x100>;
> --
> 2.25.1
>
