[PATCH v4 10/11] ARM: dts: microchip: sama7d65: Add RTT and GPBR Support for sama7d65 SoC

Ryan.Wanner at microchip.com Ryan.Wanner at microchip.com
Wed Mar 26 08:35:43 PDT 2025


From: Ryan Wanner <Ryan.Wanner at microchip.com>

Add RTT support for SAMA7D65 SoC. The GPBR is added so the SoC is able
to store the RTT time data.

Signed-off-by: Ryan Wanner <Ryan.Wanner at microchip.com>
---
 arch/arm/boot/dts/microchip/sama7d65.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/microchip/sama7d65.dtsi b/arch/arm/boot/dts/microchip/sama7d65.dtsi
index 7d71e7326e3a..59b43a633aef 100644
--- a/arch/arm/boot/dts/microchip/sama7d65.dtsi
+++ b/arch/arm/boot/dts/microchip/sama7d65.dtsi
@@ -132,6 +132,13 @@ shdwc: poweroff at e001d200 {
 			status = "disabled";
 		};
 
+		rtt: rtc at e001d300 {
+			compatible = "microchip,sama7d65-rtt", "atmel,at91sam9260-rtt";
+			reg = <0xe001d300 0x30>;
+			interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk32k 0>;
+		};
+
 		clk32k: clock-controller at e001d500 {
 			compatible = "microchip,sama7d65-sckc", "microchip,sam9x60-sckc";
 			reg = <0xe001d500 0x4>;
@@ -146,6 +153,11 @@ rtc: rtc at e001d800 {
 			clocks = <&clk32k 1>;
 		};
 
+		gpbr: syscon at e001d700 {
+			compatible = "microchip,sama7d65-gpbr", "syscon";
+			reg = <0xe001d700 0x48>;
+		};
+
 		chipid at e0020000 {
 			compatible = "microchip,sama7d65-chipid";
 			reg = <0xe0020000 0x8>;
-- 
2.43.0




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