From: Xianwei Zhao <xianwei.zhao@amlogic.com>

Add the RTC controller node for C3 SoC family.

Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
---
 arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
index cb9ea3ca6ee0..b81bffac7732 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
@@ -53,6 +53,13 @@ xtal: xtal-clk {
 		#clock-cells = <0>;
 	};
 
+	xtal_32k: xtal-clk-32k {
+		compatible = "fixed-clock";
+		clock-frequency = <32768>;
+		clock-output-names = "xtal_32k";
+		#clock-cells = <0>;
+	};
+
 	sm: secure-monitor {
 		compatible = "amlogic,meson-gxbb-sm";
 
@@ -967,6 +974,15 @@ nand: nand-controller@8d000 {
 				clock-names = "core", "device";
 				status = "disabled";
 			};
+
+			rtc@9a000 {
+				compatible = "amlogic,c3-rtc",
+					     "amlogic,a5-rtc";
+				reg = <0x0 0x9a000 0x0 0x38>;
+				interrupts = <GIC_SPI 131 IRQ_TYPE_EDGE_RISING>;
+				clocks = <&xtal_32k>, <&clkc_periphs CLKID_SYS_RTC>;
+				clock-names = "osc", "sys";
+			};
 		};
 
 		ethmac: ethernet@fdc00000 {

-- 
2.37.1

On 17/07/2025 11:38, Xianwei Zhao via B4 Relay wrote:
> From: Xianwei Zhao <xianwei.zhao@amlogic.com>
> 
> Add the RTC controller node for C3 SoC family.
> 
> Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
> ---
>   arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi | 16 ++++++++++++++++
>   1 file changed, 16 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
> index cb9ea3ca6ee0..b81bffac7732 100644
> --- a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
> @@ -53,6 +53,13 @@ xtal: xtal-clk {
>   		#clock-cells = <0>;
>   	};
>   
> +	xtal_32k: xtal-clk-32k {
> +		compatible = "fixed-clock";
> +		clock-frequency = <32768>;
> +		clock-output-names = "xtal_32k";
> +		#clock-cells = <0>;
> +	};
> +
>   	sm: secure-monitor {
>   		compatible = "amlogic,meson-gxbb-sm";
>   
> @@ -967,6 +974,15 @@ nand: nand-controller@8d000 {
>   				clock-names = "core", "device";
>   				status = "disabled";
>   			};
> +
> +			rtc@9a000 {
> +				compatible = "amlogic,c3-rtc",
> +					     "amlogic,a5-rtc";
> +				reg = <0x0 0x9a000 0x0 0x38>;
> +				interrupts = <GIC_SPI 131 IRQ_TYPE_EDGE_RISING>;
> +				clocks = <&xtal_32k>, <&clkc_periphs CLKID_SYS_RTC>;
> +				clock-names = "osc", "sys";
> +			};
>   		};
>   
>   		ethmac: ethernet@fdc00000 {
> 

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>