[PATCH v4 4/4] arm64: dts: imx93: Add the bbnsm dts node

[Jacky Bai <ping.bai@nxp.com>]

Add the bbnsm node for RTC & ON/OFF button support

Signed-off-by: Jacky Bai <ping.bai@nxp.com>
---
  - v2 changes:
    - update the regmap property to align with binding doc

  - v3 changes:
    - remove 'nxp,bbnsm-regmap' property to align with binding doc

  - v4 changes:
    - update the compatible string to align with binding file
---
 arch/arm64/boot/dts/freescale/imx93.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
index 5d79663b3b84..36be18165d4b 100644
--- a/arch/arm64/boot/dts/freescale/imx93.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
@@ -229,6 +229,22 @@ iomuxc: pinctrl@443c0000 {
 				status = "okay";
 			};
 
+			bbnsm: bbnsm@44440000 {
+				compatible = "nxp,imx93-bbnsm", "syscon", "simple-mfd";
+				reg = <0x44440000 0x10000>;
+
+				bbnsm_rtc: rtc {
+					compatible = "nxp,imx93-bbnsm-rtc";
+					interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+				};
+
+				bbnsm_pwrkey: pwrkey {
+					compatible = "nxp,imx93-bbnsm-pwrkey";
+					interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+					linux,code = <KEY_POWER>;
+				};
+			};
+
 			clk: clock-controller@44450000 {
 				compatible = "fsl,imx93-ccm";
 				reg = <0x44450000 0x10000>;
-- 
2.37.1