Re: [PATCH v3 2/8] ARM: dts: at91: sam9x60: move flexcom definitions

[<Claudiu.Beznea@microchip.com>]

On 13.12.2022 14:06, Durai Manickam KR wrote:
> From: Manikandan Muralidharan <manikandan.m@microchip.com>
> 
> Move the flexcom definitions from board specific DTS file
> to the SoC specific DTSI file for sam9x60ek.
> 
> Signed-off-by: Manikandan Muralidharan <manikandan.m@microchip.com>
> Signed-off-by: Hari Prasath Gujulan Elango <Hari.PrasathGE@microchip.com>
> [durai.manickamkr@microchip.com: Logical split-up of this patch]
> Signed-off-by: Durai Manickam KR <durai.manickamkr@microchip.com>
> ---
>  arch/arm/boot/dts/at91-sam9x60ek.dts | 33 +-----------------
>  arch/arm/boot/dts/sam9x60.dtsi       | 50 ++++++++++++++++++++++++++++
>  2 files changed, 51 insertions(+), 32 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/at91-sam9x60ek.dts b/arch/arm/boot/dts/at91-sam9x60ek.dts
> index cf5d786531f2..4ff84633dd43 100644
> --- a/arch/arm/boot/dts/at91-sam9x60ek.dts
> +++ b/arch/arm/boot/dts/at91-sam9x60ek.dts
> @@ -207,15 +207,10 @@ &flx0 {
>  	status = "okay";
>  
>  	i2c0: i2c@600 {
> -		compatible = "microchip,sam9x60-i2c";
> -		reg = <0x600 0x200>;
> -		interrupts = <5 IRQ_TYPE_LEVEL_HIGH 7>;
>  		#address-cells = <1>;
>  		#size-cells = <0>;
> -		clocks = <&pmc PMC_TYPE_PERIPHERAL 5>;
>  		pinctrl-names = "default";
>  		pinctrl-0 = <&pinctrl_flx0_default>;
> -		atmel,fifo-size = <16>;
>  		i2c-analog-filter;
>  		i2c-digital-filter;
>  		i2c-digital-filter-width-ns = <35>;
> @@ -235,14 +230,8 @@ &flx4 {
>  	status = "disabled";
>  
>  	spi4: spi@400 {
> -		compatible = "microchip,sam9x60-spi", "atmel,at91rm9200-spi";
> -		reg = <0x400 0x200>;
> -		interrupts = <13 IRQ_TYPE_LEVEL_HIGH 7>;
> -		clocks = <&pmc PMC_TYPE_PERIPHERAL 13>;
> -		clock-names = "spi_clk";
>  		pinctrl-names = "default";
>  		pinctrl-0 = <&pinctrl_flx4_default>;
> -		atmel,fifo-size = <16>;
>  		#address-cells = <1>;
>  		#size-cells = <0>;
>  		status = "disabled";
> @@ -254,23 +243,8 @@ &flx5 {
>  	status = "okay";
>  
>  	uart5: serial@200 {
> -		compatible = "microchip,sam9x60-dbgu", "microchip,sam9x60-usart", "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart";
> -		reg = <0x200 0x200>;
> -		atmel,usart-mode = <AT91_USART_MODE_SERIAL>;

You lost this property. Now it is not present neither in dts nor in dtsi.

> -		interrupts = <14 IRQ_TYPE_LEVEL_HIGH 7>;
> -		dmas = <&dma0
> -			(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) |
> -			 AT91_XDMAC_DT_PERID(10))>,
> -		       <&dma0
> -			(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) |
> -			 AT91_XDMAC_DT_PERID(11))>;
> -		dma-names = "tx", "rx";
> -		clocks = <&pmc PMC_TYPE_PERIPHERAL 14>;
> -		clock-names = "usart";
> -		pinctrl-0 = <&pinctrl_flx5_default>;
>  		pinctrl-names = "default";
> -		atmel,use-dma-rx;
> -		atmel,use-dma-tx;
> +		pinctrl-0 = <&pinctrl_flx5_default>;
>  		status = "okay";
>  	};
>  };
> @@ -280,15 +254,10 @@ &flx6 {
>  	status = "okay";
>  
>  	i2c6: i2c@600 {
> -		compatible = "microchip,sam9x60-i2c";
> -		reg = <0x600 0x200>;
> -		interrupts = <9 IRQ_TYPE_LEVEL_HIGH 7>;
>  		#address-cells = <1>;
>  		#size-cells = <0>;
> -		clocks = <&pmc PMC_TYPE_PERIPHERAL 9>;
>  		pinctrl-names = "default";
>  		pinctrl-0 = <&pinctrl_flx6_default>;
> -		atmel,fifo-size = <16>;
>  		i2c-analog-filter;
>  		i2c-digital-filter;
>  		i2c-digital-filter-width-ns = <35>;
> diff --git a/arch/arm/boot/dts/sam9x60.dtsi b/arch/arm/boot/dts/sam9x60.dtsi
> index 8f5477e307dd..9a5dcf8a2b74 100644
> --- a/arch/arm/boot/dts/sam9x60.dtsi
> +++ b/arch/arm/boot/dts/sam9x60.dtsi
> @@ -170,6 +170,16 @@ flx4: flexcom@f0000000 {
>  				#size-cells = <1>;
>  				ranges = <0x0 0xf0000000 0x800>;
>  				status = "disabled";
> +
> +				spi4: spi@400 {
> +					compatible = "microchip,sam9x60-spi", "atmel,at91rm9200-spi";
> +					reg = <0x400 0x200>;
> +					interrupts = <13 IRQ_TYPE_LEVEL_HIGH 7>;
> +					clocks = <&pmc PMC_TYPE_PERIPHERAL 13>;
> +					clock-names = "spi_clk";
> +					atmel,fifo-size = <16>;
> +					status = "disabled";
> +				};
>  			};
>  
>  			flx5: flexcom@f0004000 {
> @@ -180,6 +190,26 @@ flx5: flexcom@f0004000 {
>  				#size-cells = <1>;
>  				ranges = <0x0 0xf0004000 0x800>;
>  				status = "disabled";
> +
> +				uart5: serial@200 {
> +					compatible = "microchip,sam9x60-usart", "atmel,at91sam9260-usart";
> +					reg = <0x200 0x200>;
> +					interrupts = <14 IRQ_TYPE_LEVEL_HIGH 7>;
> +					dmas = <&dma0
> +						(AT91_XDMAC_DT_MEM_IF(0) |
> +						 AT91_XDMAC_DT_PER_IF(1) |
> +						 AT91_XDMAC_DT_PERID(10))>,
> +						<&dma0
> +						(AT91_XDMAC_DT_MEM_IF(0) |
> +						 AT91_XDMAC_DT_PER_IF(1) |
> +						 AT91_XDMAC_DT_PERID(11))>;
> +					dma-names = "tx", "rx";
> +					clocks = <&pmc PMC_TYPE_PERIPHERAL 14>;
> +					clock-names = "usart";
> +					atmel,use-dma-rx;
> +					atmel,use-dma-tx;
> +					status = "disabled";
> +				};
>  			};
>  
>  			dma0: dma-controller@f0008000 {
> @@ -379,6 +409,15 @@ flx6: flexcom@f8010000 {
>  				#size-cells = <1>;
>  				ranges = <0x0 0xf8010000 0x800>;
>  				status = "disabled";
> +
> +				i2c6: i2c@600 {
> +					compatible = "microchip,sam9x60-i2c";
> +					reg = <0x600 0x200>;
> +					interrupts = <9 IRQ_TYPE_LEVEL_HIGH 7>;
> +					clocks = <&pmc PMC_TYPE_PERIPHERAL 9>;
> +					atmel,fifo-size = <16>;
> +					status = "disabled";
> +				};
>  			};
>  
>  			flx7: flexcom@f8014000 {
> @@ -409,6 +448,17 @@ flx0: flexcom@f801c000 {
>  				#size-cells = <1>;
>  				ranges = <0x0 0xf801c000 0x800>;
>  				status = "disabled";
> +
> +				i2c0: i2c@600 {
> +					compatible = "microchip,sam9x60-i2c";
> +					reg = <0x600 0x200>;
> +					interrupts = <5 IRQ_TYPE_LEVEL_HIGH 7>;
> +					#address-cells = <1>;
> +					#size-cells = <0>;

You also added #address-cells, #size-cells. These are also present in board
dts and should stay there. Thus you can get rid of these 2 here.

> +					clocks = <&pmc PMC_TYPE_PERIPHERAL 5>;
> +					atmel,fifo-size = <16>;
> +					status = "disabled";
> +				};
>  			};
>  
>  			flx1: flexcom@f8020000 {