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>
---
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 2f632e8ca388..83185b70dd46 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"
@@ -610,6 +612,111 @@ 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
