[PATCH v1 7/7] arm64: dts: imx8mm: add power-domains

Adrien Grassein adrien.grassein at gmail.com
Wed Apr 7 22:21:22 BST 2021


Add description for HSIO and USB power-domains.

Signed-off-by: Adrien Grassein <adrien.grassein at gmail.com>
---
 arch/arm64/boot/dts/freescale/imx8mm.dtsi | 35 +++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index a27e02bee6b4..028b8930db5a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -4,6 +4,7 @@
  */
 
 #include <dt-bindings/clock/imx8mm-clock.h>
+#include <dt-bindings/power/imx8mm-power.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
@@ -600,6 +601,38 @@ src: reset-controller at 30390000 {
 				interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
 				#reset-cells = <1>;
 			};
+
+			gpc: gpc at 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 at IMX8MM_POWER_DOMAIN_HSIOMIX {
+						#power-domain-cells = <0>;
+						reg = <IMX8MM_POWER_DOMAIN_HSIOMIX>;
+						clocks = <&clk IMX8MM_CLK_USB_BUS>;
+					};
+
+					pgc_usb_otg1: power-domain at IMX8MM_POWER_DOMAIN_USB_OTG1 {
+						#power-domain-cells = <0>;
+						reg = <IMX8MM_POWER_DOMAIN_USB_OTG1>;
+						power-domains = <&pgc_hsiomix>;
+					};
+
+					pgc_usb_otg2: power-domain at IMX8MM_POWER_DOMAIN_USB_OTG2 {
+						#power-domain-cells = <0>;
+						reg = <IMX8MM_POWER_DOMAIN_USB_OTG2>;
+						power-domains = <&pgc_hsiomix>;
+					};
+				};
+			};
 		};
 
 		aips2: bus at 30400000 {
@@ -953,6 +986,7 @@ usbotg1: usb at 32e40000 {
 				assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_500M>;
 				fsl,usbphy = <&usbphynop1>;
 				fsl,usbmisc = <&usbmisc1 0>;
+				power-domains = <&pgc_usb_otg1>;
 				status = "disabled";
 			};
 
@@ -972,6 +1006,7 @@ usbotg2: usb at 32e50000 {
 				assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_500M>;
 				fsl,usbphy = <&usbphynop2>;
 				fsl,usbmisc = <&usbmisc2 0>;
+				power-domains = <&pgc_usb_otg2>;
 				status = "disabled";
 			};
 
-- 
2.25.1




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