[PATCH] arm64: dts: imx8m: add syscon node for display_blk_ctrl module regs

[Tommaso Merciai]

Add system controller node for registers of module Display Block Control
(DISPLAY_BLK_CTRL, base address: 0x32e28000).
The DISPLAY_BLK_CTRL module contains general purpose registers (GPRs),
which control varied features of the associated peripherals.
Reference: IMX8MMRM Rev. 3, 11/2020, p 3897
---
 arch/arm64/boot/dts/freescale/imx8mm.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index 2f632e8ca388..3e496b457e1a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -961,6 +961,11 @@ aips4: bus@32c00000 {
 			#size-cells = <1>;
 			ranges = <0x32c00000 0x32c00000 0x400000>;
 
+			dispmix_gpr: display-gpr@32e28000 {
+				compatible = "fsl, imx8mm-iomuxc-gpr", "syscon";
+				reg = <0x32e28000 0x100>;
+			};
+
 			usbotg1: usb@32e40000 {
 				compatible = "fsl,imx8mm-usb", "fsl,imx7d-usb";
 				reg = <0x32e40000 0x200>;
-- 
2.25.1