[PATCH v3 3/3] arm64: dts: marvell: cp11x: Add reset controller node

Wilson Ding posted 3 patches 2 weeks ago
[PATCH v3 3/3] arm64: dts: marvell: cp11x: Add reset controller node
Posted by Wilson Ding 2 weeks ago
Add the reset controller node as a sub-node to the system controller
node.

Signed-off-by: Wilson Ding <dingwei@marvell.com>
---
 arch/arm64/boot/dts/marvell/armada-cp11x.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi b/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
index 161beec0b6b0..c27058d1534e 100644
--- a/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
@@ -226,6 +226,8 @@ CP11X_LABEL(rtc): rtc@284000 {
 		CP11X_LABEL(syscon0): system-controller@440000 {
 			compatible = "syscon", "simple-mfd";
 			reg = <0x440000 0x2000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
 
 			CP11X_LABEL(clk): clock {
 				compatible = "marvell,cp110-clock";
@@ -273,6 +275,12 @@ CP11X_LABEL(gpio2): gpio@140 {
 					 <&CP11X_LABEL(clk) 1 17>;
 				status = "disabled";
 			};
+
+			CP11X_LABEL(swrst): reset-controller@268 {
+				compatible = "marvell,armada8k-reset";
+				reg = <0x268 0x4>;
+				#reset-cells = <1>;
+			};
 		};
 
 		CP11X_LABEL(syscon1): system-controller@400000 {
-- 
2.43.0
Re: [PATCH v3 3/3] arm64: dts: marvell: cp11x: Add reset controller node
Posted by Krzysztof Kozlowski 1 week, 6 days ago
On 27/02/2025 20:25, Wilson Ding wrote:
> Add the reset controller node as a sub-node to the system controller
> node.
> 
> Signed-off-by: Wilson Ding <dingwei@marvell.com>
> ---
>  arch/arm64/boot/dts/marvell/armada-cp11x.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi b/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
> index 161beec0b6b0..c27058d1534e 100644
> --- a/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
> +++ b/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
> @@ -226,6 +226,8 @@ CP11X_LABEL(rtc): rtc@284000 {
>  		CP11X_LABEL(syscon0): system-controller@440000 {
>  			compatible = "syscon", "simple-mfd";
>  			reg = <0x440000 0x2000>;
> +			#address-cells = <1>;
> +			#size-cells = <1>;
>  
>  			CP11X_LABEL(clk): clock {

Wait, no unit address here.

>  				compatible = "marvell,cp110-clock";
> @@ -273,6 +275,12 @@ CP11X_LABEL(gpio2): gpio@140 {
>  					 <&CP11X_LABEL(clk) 1 17>;
>  				status = "disabled";
>  			};
> +
> +			CP11X_LABEL(swrst): reset-controller@268 {


So why here it appeared? This is wrong and not even necessary. Entire
child should be folded into parent, so finally you will fix the
incomplete parent compatible.



Best regards,
Krzysztof