Re: [PATCH v3 4/4] arm64: dts: imx8mq: add DCSS node

From: Lucas Stach
Date: Mon Feb 24 2020 - 12:23:58 EST


On Fr, 2019-12-06 at 11:52 +0200, Laurentiu Palcu wrote:
> This patch adds the node for iMX8MQ Display Controller Subsystem.
>
> Signed-off-by: Laurentiu Palcu <laurentiu.palcu@xxxxxxx>
> ---
> arch/arm64/boot/dts/freescale/imx8mq.dtsi | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> index f6e840c..da7e485 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> @@ -981,6 +981,31 @@
> interrupt-controller;
> #interrupt-cells = <1>;
> };
> +
> + dcss: display-controller@32e00000 {

Node address is lower than the irqsteer node, so the dcss node should
be added before, not after the irqsteer node in the DT.

> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "nxp,imx8mq-dcss";
> + reg = <0x32e00000 0x2d000>, <0x32e2f000 0x1000>;
> + interrupts = <6>, <8>, <9>;
> + interrupt-names = "ctx_ld", "ctxld_kick", "vblank";
> + interrupt-parent = <&irqsteer>;
> + clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>,
> + <&clk IMX8MQ_CLK_DISP_AXI_ROOT>,
> + <&clk IMX8MQ_CLK_DISP_RTRM_ROOT>,
> + <&clk IMX8MQ_VIDEO2_PLL_OUT>,
> + <&clk IMX8MQ_CLK_DISP_DTRC>;
> + clock-names = "apb", "axi", "rtrm", "pix", "dtrc";
> + assigned-clocks = <&clk IMX8MQ_CLK_DISP_AXI>,
> + <&clk IMX8MQ_CLK_DISP_RTRM>,
> + <&clk IMX8MQ_VIDEO2_PLL1_REF_SEL>;
> + assigned-clock-parents = <&clk IMX8MQ_SYS1_PLL_800M>,
> + <&clk IMX8MQ_SYS1_PLL_800M>,
> + <&clk IMX8MQ_CLK_27M>;
> + assigned-clock-rates = <800000000>,
> + <400000000>;

Second line is not aligned to the first one.

> + status = "disabled";
> + };
> };
>
> gpu: gpu@38000000 {