On Fri, Oct 23, 2020 at 4:52 AM Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote: > > On Thu, Oct 22, 2020 at 10:08:06AM -0500, Adam Ford wrote: > > This adds the DT nodes to describe the power domains available on the > > i.MX8MN. There are four power domains, but the displaymix and mipi > > power domains need a separate clock block controller which is also > > pending for 8MP and 8MM. Once the path for those is clear, Nano will > > need something similar, but the registers for Nano differ. For now, > > the dispmix and mipi are placeholders. > > > > Signed-off-by: Adam Ford <aford173@xxxxxxxxx> > > > > diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi > > index 9b4baf7bdfb1..27733fbe87e9 100644 > > --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi > > +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi > > @@ -596,6 +596,55 @@ src: reset-controller@30390000 { > > interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>; > > #reset-cells = <1>; > > }; > > + > > + gpc: gpc@303a0000 { > > + compatible = "fsl,imx8mn-gpc"; > > + reg = <0x303a0000 0x10000>; > > + interrupt-parent = <&gic>; > > + interrupt-controller; > > + #interrupt-cells = <3>; > > Missing interrupts. Oops. I'll go back and review this. > > > + > > + pgc { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + pgc_hsiomix: power-domain@0 { > > + #power-domain-cells = <0>; > > + reg = <IMX8MN_POWER_DOMAIN_HSIOMIX>; > > + clocks = <&clk IMX8MN_CLK_USB_BUS>; > > + }; > > + > > + pgc_otg1: power-domain@1 { > > + #power-domain-cells = <0>; > > + reg = <IMX8MN_POWER_DOMAIN_OTG1>; > > + power-domains = <&pgc_hsiomix>; > > + }; > > + > > + pgc_gpumix: power-domain@2 { > > + #power-domain-cells = <0>; > > + reg = <IMX8MN_POWER_DOMAIN_GPUMIX>; > > + clocks = <&clk IMX8MN_CLK_GPU_CORE_ROOT>, > > + <&clk IMX8MN_CLK_GPU_SHADER_DIV>, > > + <&clk IMX8MN_CLK_GPU_BUS_ROOT>, > > + <&clk IMX8MN_CLK_GPU_AHB>; > > + resets = <&src IMX8MQ_RESET_GPU_RESET>; > > Does it compile without include? Did the include come via dependencies > of this patch? Oops. I cherry picked the git commits, but I forgot to include the includes which is why it compiles for me. I'll fix in a V2. Thanks for all the reviews. adam > > Best regards, > Krzysztof >