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

From: Adrien Grassein
Date: Wed Apr 07 2021 - 17:22:19 EST


Add description for HSIO and USB power-domains.

Signed-off-by: Adrien Grassein <adrien.grassein@xxxxxxxxx>
---
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@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@IMX8MM_POWER_DOMAIN_HSIOMIX {
+ #power-domain-cells = <0>;
+ reg = <IMX8MM_POWER_DOMAIN_HSIOMIX>;
+ clocks = <&clk IMX8MM_CLK_USB_BUS>;
+ };
+
+ pgc_usb_otg1: power-domain@IMX8MM_POWER_DOMAIN_USB_OTG1 {
+ #power-domain-cells = <0>;
+ reg = <IMX8MM_POWER_DOMAIN_USB_OTG1>;
+ power-domains = <&pgc_hsiomix>;
+ };
+
+ pgc_usb_otg2: power-domain@IMX8MM_POWER_DOMAIN_USB_OTG2 {
+ #power-domain-cells = <0>;
+ reg = <IMX8MM_POWER_DOMAIN_USB_OTG2>;
+ power-domains = <&pgc_hsiomix>;
+ };
+ };
+ };
};

aips2: bus@30400000 {
@@ -953,6 +986,7 @@ usbotg1: usb@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@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