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arm64: dts: imx8mn: 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: Adam Ford <aford173@gmail.com> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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@ -4,6 +4,8 @@
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*/
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#include <dt-bindings/clock/imx8mn-clock.h>
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#include <dt-bindings/power/imx8mn-power.h>
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#include <dt-bindings/reset/imx8mq-reset.h>
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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@ -640,6 +642,53 @@ src: reset-controller@30390000 {
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interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
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#reset-cells = <1>;
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};
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gpc: gpc@303a0000 {
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compatible = "fsl,imx8mn-gpc";
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reg = <0x303a0000 0x10000>;
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interrupt-parent = <&gic>;
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interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
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pgc {
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#address-cells = <1>;
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#size-cells = <0>;
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pgc_hsiomix: power-domain@0 {
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#power-domain-cells = <0>;
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reg = <IMX8MN_POWER_DOMAIN_HSIOMIX>;
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clocks = <&clk IMX8MN_CLK_USB_BUS>;
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};
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pgc_otg1: power-domain@1 {
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#power-domain-cells = <0>;
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reg = <IMX8MN_POWER_DOMAIN_OTG1>;
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power-domains = <&pgc_hsiomix>;
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};
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pgc_gpumix: power-domain@2 {
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#power-domain-cells = <0>;
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reg = <IMX8MN_POWER_DOMAIN_GPUMIX>;
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clocks = <&clk IMX8MN_CLK_GPU_CORE_ROOT>,
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<&clk IMX8MN_CLK_GPU_SHADER>,
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<&clk IMX8MN_CLK_GPU_BUS_ROOT>,
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<&clk IMX8MN_CLK_GPU_AHB>;
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resets = <&src IMX8MQ_RESET_GPU_RESET>;
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};
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pgc_dispmix: power-domain@3 {
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#power-domain-cells = <0>;
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reg = <IMX8MN_POWER_DOMAIN_DISPMIX>;
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clocks = <&clk IMX8MN_CLK_DISP_AXI_ROOT>,
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<&clk IMX8MN_CLK_DISP_APB_ROOT>;
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};
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pgc_mipi: power-domain@4 {
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#power-domain-cells = <0>;
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reg = <IMX8MN_POWER_DOMAIN_MIPI>;
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power-domains = <&pgc_dispmix>;
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};
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};
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};
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};
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aips2: bus@30400000 {
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