> Subject: [PATCH v2 14/18] arm64: dts: imx8mm: add GPC node
>
> Add the DT node for the GPC, including all the PGC power domains, some of
> them are not fully functional yet, as they require interaction with the blk-ctrls
> to properly power up/down the peripherals.
>
> Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Reviewed-by: Peng Fan <peng.fan@xxxxxxx>
> ---
> arch/arm64/boot/dts/freescale/imx8mm.dtsi | 107
> ++++++++++++++++++++++
> 1 file changed, 107 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> index a27e02bee6b4..1cdb475b5895 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> @@ -7,6 +7,8 @@
> #include <dt-bindings/gpio/gpio.h>
> #include <dt-bindings/input/input.h>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/power/imx8mm-power.h>
> +#include <dt-bindings/reset/imx8mq-reset.h>
> #include <dt-bindings/thermal/thermal.h>
>
> #include "imx8mm-pinfunc.h"
> @@ -600,6 +602,111 @@ src: reset-controller@30390000 {
> interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
> #reset-cells = <1>;
> };
> +
> + gpc: gpc@303a0000 {
> + compatible = "fsl,imx8mm-gpc";
> + reg = <0x303a0000 0x10000>;
> + interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-parent = <&gic>;
> + interrupt-controller;
> + #interrupt-cells = <3>;
> +
> + pgc {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + pgc_hsiomix: power-domain@0 {
> + #power-domain-cells = <0>;
> + reg = <IMX8MM_POWER_DOMAIN_HSIOMIX>;
> + clocks = <&clk IMX8MM_CLK_USB_BUS>;
> + assigned-clocks = <&clk
> IMX8MM_CLK_USB_BUS>;
> + assigned-clock-parents = <&clk
> IMX8MM_SYS_PLL2_500M>;
> + };
> +
> + pgc_pcie: power-domain@1 {
> + #power-domain-cells = <0>;
> + reg = <IMX8MM_POWER_DOMAIN_PCIE>;
> + power-domains = <&pgc_hsiomix>;
> + clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>;
> + };
> +
> + pgc_otg1: power-domain@2 {
> + #power-domain-cells = <0>;
> + reg = <IMX8MM_POWER_DOMAIN_OTG1>;
> + power-domains = <&pgc_hsiomix>;
> + };
> +
> + pgc_otg2: power-domain@3 {
> + #power-domain-cells = <0>;
> + reg = <IMX8MM_POWER_DOMAIN_OTG2>;
> + power-domains = <&pgc_hsiomix>;
> + };
> +
> + pgc_gpumix: power-domain@4 {
> + #power-domain-cells = <0>;
> + reg = <IMX8MM_POWER_DOMAIN_GPUMIX>;
> + clocks = <&clk
> IMX8MM_CLK_GPU_BUS_ROOT>,
> + <&clk IMX8MM_CLK_GPU_AHB>;
> + assigned-clocks = <&clk
> IMX8MM_CLK_GPU_AXI>,
> + <&clk IMX8MM_CLK_GPU_AHB>;
> + assigned-clock-parents = <&clk
> IMX8MM_SYS_PLL1_800M>,
> + <&clk
> IMX8MM_SYS_PLL1_800M>;
> + assigned-clock-rates = <800000000>,
> <400000000>;
> + };
> +
> + pgc_gpu: power-domain@5 {
> + #power-domain-cells = <0>;
> + reg = <IMX8MM_POWER_DOMAIN_GPU>;
> + clocks = <&clk IMX8MM_CLK_GPU_AHB>,
> + <&clk IMX8MM_CLK_GPU_BUS_ROOT>,
> + <&clk IMX8MM_CLK_GPU2D_ROOT>,
> + <&clk IMX8MM_CLK_GPU3D_ROOT>;
> + resets = <&src IMX8MQ_RESET_GPU_RESET>;
> + power-domains = <&pgc_gpumix>;
> + };
> +
> + pgc_vpumix: power-domain@6 {
> + #power-domain-cells = <0>;
> + reg = <IMX8MM_POWER_DOMAIN_VPUMIX>;
> + clocks = <&clk
> IMX8MM_CLK_VPU_DEC_ROOT>;
> + assigned-clocks = <&clk
> IMX8MM_CLK_VPU_BUS>;
> + assigned-clock-parents = <&clk
> IMX8MM_SYS_PLL1_800M>;
> + resets = <&src IMX8MQ_RESET_VPU_RESET>;
> + };
> +
> + pgc_vpu_g1: power-domain@7 {
> + #power-domain-cells = <0>;
> + reg = <IMX8MM_POWER_DOMAIN_VPUG1>;
> + };
> +
> + pgc_vpu_g2: power-domain@8 {
> + #power-domain-cells = <0>;
> + reg = <IMX8MM_POWER_DOMAIN_VPUG2>;
> + };
> +
> + pgc_vpu_h1: power-domain@9 {
> + #power-domain-cells = <0>;
> + reg = <IMX8MM_POWER_DOMAIN_VPUH1>;
> + };
> +
> + pgc_dispmix: power-domain@10 {
> + #power-domain-cells = <0>;
> + reg = <IMX8MM_POWER_DOMAIN_DISPMIX>;
> + clocks = <&clk
> IMX8MM_CLK_DISP_APB_ROOT>,
> + <&clk IMX8MM_CLK_DISP_AXI_ROOT>;
> + assigned-clocks = <&clk
> IMX8MM_CLK_DISP_AXI>,
> + <&clk IMX8MM_CLK_DISP_APB>;
> + assigned-clock-parents = <&clk
> IMX8MM_SYS_PLL2_1000M>,
> + <&clk
> IMX8MM_SYS_PLL1_800M>;
> + assigned-clock-rates = <500000000>,
> <200000000>;
> + };
> +
> + pgc_mipi: power-domain@11 {
> + #power-domain-cells = <0>;
> + reg = <IMX8MM_POWER_DOMAIN_MIPI>;
> + };
> + };
> + };
> };
>
> aips2: bus@30400000 {
> --
> 2.30.2
