Re: [PATCH 04/19] ARM: dts: update RN102 Linux DTS

["Sascha Hauer" <s.hauer@pengutronix.de>]

BTW you can fold patches 1-4 into a single patch so that the full board
support comes as a single patch, same with RN104 support.

Sascha

On 2026-07-23 15:57, Luca Lauro via B4 Relay wrote:
> From: Luca Lauro <famlauro93l@gmail.com>
> 
> ---
>  dts/src/arm/marvell/armada-370-netgear-rn102.dts | 114 ++++++++++++++---------
>  1 file changed, 71 insertions(+), 43 deletions(-)
> 
> diff --git a/dts/src/arm/marvell/armada-370-netgear-rn102.dts b/dts/src/arm/marvell/armada-370-netgear-rn102.dts
> index 079b37cf14..f1bad2a233 100644
> --- a/dts/src/arm/marvell/armada-370-netgear-rn102.dts
> +++ b/dts/src/arm/marvell/armada-370-netgear-rn102.dts
> @@ -15,6 +15,10 @@ / {
>  	model = "NETGEAR ReadyNAS 102";
>  	compatible = "netgear,readynas-102", "marvell,armada370", "marvell,armada-370-xp";
>  
> +	aliases {
> +		state = &state_nand;
> +    };
> +
>  	chosen {
>  		stdout-path = "serial0:115200n8";
>  	};
> @@ -54,7 +58,7 @@ ethernet@74000 {
>  				phy-mode = "rgmii-id";
>  			};
>  
> -			usb@50000 {
> +            usb@50000 {
>  				status = "okay";
>  			};
>  
> @@ -153,10 +157,35 @@ backup-button {
>  
>  	gpio-poweroff {
>  		compatible = "gpio-poweroff";
> -		pinctrl-0 = <&poweroff>;
> +		pinctrl-0 = <&poweroff_pin>;
>  		pinctrl-names = "default";
>  		gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
>  	};
> +
> +	/* configure nand partition to store barebox environment */
> +	environment {
> +      compatible = "barebox,environment";
> +      device-path = &nand_controller, "partname:environment";
> +	};
> +
> +	/* configure nand partition to store barebox-state backend */
> +	state_nand: nand_state_memory {
> +        #address-cells = <1>;
> +        #size-cells = <1>;
> +        compatible = "barebox,state";
> +        magic = <0xab67421f>;
> +        backend-type = "raw";
> +        backend = <&backend_state_nand>;
> +        backend-storage-type = "circular";
> +		backend-stridesize = <32>;
> +
> +        
> +        variable@0 {
> +                reg = <0x0 0x1>;
> +                type ="uint8";
> +                default = <0x1>;
> +        };
> +	};
>  };
>  
>  &pciec {
> @@ -219,58 +248,57 @@ reset_button_pin: reset-button-pin {
>  		marvell,function = "gpio";
>  	};
>  
> -	poweroff: poweroff {
> +	poweroff_pin: poweroff-pin {
>  		marvell,pins = "mpp8";
>  		marvell,function = "gpio";
>  	};
>  };
>  
>  &nand_controller {
> +	compatible = "marvell,armada370-nand", "marvell,pxa3xx-nand";
>  	status = "okay";
>  
> -	nand@0 {
> -		reg = <0>;
> -		label = "pxa3xx_nand-0";
> -		nand-rb = <0>;
> -		marvell,nand-keep-config;
> -		nand-on-flash-bbt;
> -
> -		/* Use Hardware BCH ECC */
> -		nand-ecc-strength = <4>;
> -		nand-ecc-step-size = <512>;
> -
> -		partitions {
> -			compatible = "fixed-partitions";
> -			#address-cells = <1>;
> -			#size-cells = <1>;
> -
> -			partition@0 {
> -				label = "u-boot";
> -				reg = <0x0000000 0x180000>;  /* 1.5MB */
> -				read-only;
> -			};
> +	label = <&nand_controller>;
> +	nand-rb = <0>;
> +	marvell,nand-keep-config;
> +	nand-on-flash-bbt;
> +	
> +	/* Use Hardware BCH ECC */
> +	nand-ecc-strength = <4>;
> +	nand-ecc-step-size = <512>;
> +
> +	partitions {
> +		compatible = "fixed-partitions";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		
> +		partition@0 {
> +			label = "bootloader";
> +			reg = <0x0 0x400000>;		 /* 4MB */
> +			//read-only;
> +		};
>  
> -			partition@180000 {
> -				label = "u-boot-env";
> -				reg = <0x180000 0x20000>;    /* 128KB */
> -				read-only;
> -			};
> +		partition@0x400000 {
> +			label = "environment";
> +			reg = <0x400000 0x80000>;    /* 0.5MB */
> +			//read-only;
> +		};
>  
> -			partition@200000 {
> -				label = "uImage";
> -				reg = <0x0200000 0x600000>;    /* 6MB */
> -			};
> +		backend_state_nand: partition@0x480000 {
> +			label = "state";
> +			reg = <0x480000 0x80000>;    /* 0.5MB */
> +		};
>  
> -			partition@800000 {
> -				label = "minirootfs";
> -				reg = <0x0800000 0x400000>;    /* 4MB */
> -			};
> +		partition@0x500000 {
> +			label = "kernel";
> +			reg = <0x500000 0x1400000>;    /* 20MB */
> +		};
>  
> -			/* Last MB is for the BBT, i.e. not writable */
> -			partition@c00000 {
> -				label = "ubifs";
> -				reg = <0x0c00000 0x7400000>; /* 116MB */
> -			};
> +		partition@0x1900000 {
> +			label = "minirootfs";
> +			reg = <0x1900000 0x6000000>;    /* 100MB */
>  		};
> +
> +		/* Last MB is for the BBT, i.e. not writable */
>  	};
> -};
> +};
> \ No newline at end of file
> 
> -- 
> 2.47.3
> 
> 
> 

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