[PATCH] ls1b200: dts: add serials and nand nodes

Du Huanpeng u74147 at gmail.com
Wed Oct 28 10:14:51 EDT 2020


sorry, please hold. I will send a v2 patch.

On Wed, Oct 28, 2020 at 08:15:59PM +0800, Du Huanpeng wrote:
> add all serials and sort them by base address.
>  UART0_1, UART0_2, UART0_3 renamed to
>  serial6, serial7, serial8.
>  UART1_1, UART1_2, UART1_3 renamed to
>  serial9, serial10, serial11.
> 
> because the nand and pll share the some base
> address, so add it as well.
> 
> Signed-off-by: Du Huanpeng <u74147 at gmail.com>
> ---
>  arch/mips/dts/ls1b.dtsi | 158 ++++++++++++++++++++++++++++++++++++++----------
>  1 file changed, 125 insertions(+), 33 deletions(-)
> 
> diff --git a/arch/mips/dts/ls1b.dtsi b/arch/mips/dts/ls1b.dtsi
> index 8b772af..0bd3d08 100644
> --- a/arch/mips/dts/ls1b.dtsi
> +++ b/arch/mips/dts/ls1b.dtsi
> @@ -11,43 +11,135 @@
>  		device_type = "soc";
>  		ranges;
>  
> -		serial0: serial at 1fe40000 {
> -			compatible = "ns16550a";
> -			reg = <0x1fe40000 0x8>;
> -			reg-shift = <0>;
> -			clock-frequency = <83000000>;
> -			status = "disabled";
> -		};
> +		xbar {
> +			compatible = "loongson,xbar-bus", "simple-bus";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges;
>  
> -		serial1: serial at 1fe44000 {
> -			compatible = "ns16550a";
> -			reg = <0x1fe44000 0x8>;
> -			reg-shift = <0>;
> -			clock-frequency = <83000000>;
> -			status = "disabled";
> -		};
> +			axi-mux {
> +				compatible = "loongson,axi-mux", "simple-bus";
> +				#address-cells = <1>;
> +				#size-cells = <1>;
> +				ranges;
>  
> -		serial2: serial at 1fe48000 {
> -			compatible = "ns16550a";
> -			reg = <0x1fe48000 0x8>;
> -			reg-shift = <0>;
> -			clock-frequency = <83000000>;
> -			status = "disabled";
> -		};
>  
> -		serial3: serial at 1fe4c000 {
> -			compatible = "ns16550a";
> -			reg = <0x1fe4c000 0x8>;
> -			reg-shift = <0>;
> -			clock-frequency = <83000000>;
> -			status = "disabled";
> -		};
> +				apb at 0x1fe40000 {
> +					compatible = "loongson,apb-bus", "simple-bus";
> +					#address-cells = <1>;
> +					#size-cells = <1>;
> +					ranges;
> +
> +					serial0: serial at 1fe40000 {
> +						compatible = "ns16550a";
> +						reg = <0x1fe40000 0x8>;
> +						reg-shift = <0>;
> +						clocks = <&pll LS1B_CLK_APB_DIV>;
> +						status = "disabled";
> +					};
> +
> +					serial6: serial at 1fe41000 {
> +						compatible = "ns16550a";
> +						reg = <0x1fe41000 0x8>;
> +						reg-shift = <0>;
> +						clocks = <&pll LS1B_CLK_APB_DIV>;
> +						status = "disabled";
> +					};
> +
> +					serial7: serial at 1fe42000 {
> +						compatible = "ns16550a";
> +						reg = <0x1fe42000 0x8>;
> +						reg-shift = <0>;
> +						clocks = <&pll LS1B_CLK_APB_DIV>;
> +						status = "disabled";
> +					};
> +
> +					serial8: serial at 1fe43000 {
> +						compatible = "ns16550a";
> +						reg = <0x1fe43000 0x8>;
> +						reg-shift = <0>;
> +						clocks = <&pll LS1B_CLK_APB_DIV>;
> +						status = "disabled";
> +					};
> +
> +					serial1: serial at 1fe44000 {
> +						compatible = "ns16550a";
> +						reg = <0x1fe44000 0x8>;
> +						reg-shift = <0>;
> +						clocks = <&pll LS1B_CLK_APB_DIV>;
> +						status = "disabled";
> +					};
> +
> +					serial9: serial at 1fe45000 {
> +						compatible = "ns16550a";
> +						reg = <0x1fe45000 0x8>;
> +						reg-shift = <0>;
> +						clocks = <&pll LS1B_CLK_APB_DIV>;
> +						status = "disabled";
> +					};
> +
> +					serial10: serial at 1fe46000 {
> +						compatible = "ns16550a";
> +						reg = <0x1fe46000 0x8>;
> +						reg-shift = <0>;
> +						clocks = <&pll LS1B_CLK_APB_DIV>;
> +						status = "disabled";
> +					};
> +
> +					serial11: serial at 1fe47000 {
> +						compatible = "ns16550a";
> +						reg = <0x1fe47000 0x8>;
> +						reg-shift = <0>;
> +						clocks = <&pll LS1B_CLK_APB_DIV>;
> +						status = "disabled";
> +					};
> +
> +					serial2: serial at 1fe48000 {
> +						compatible = "ns16550a";
> +						reg = <0x1fe48000 0x8>;
> +						reg-shift = <0>;
> +						clocks = <&pll LS1B_CLK_APB_DIV>;
> +						status = "disabled";
> +					};
> +
> +					serial3: serial at 1fe4c000 {
> +						compatible = "ns16550a";
> +						reg = <0x1fe4c000 0x8>;
> +						reg-shift = <0>;
> +						clocks = <&pll LS1B_CLK_APB_DIV>;
> +						status = "disabled";
> +					};
> +
> +					serial4: serial at 1fe6c000 {
> +						compatible = "ns16550a";
> +						reg = <0x1fe6c000 0x8>;
> +						reg-shift = <0>;
> +						clocks = <&pll LS1B_CLK_APB_DIV>;
> +						status = "disabled";
> +					};
> +
> +					serial5: serial at 1fe7c000 {
> +						compatible = "ns16550a";
> +						reg = <0x1fe7c000 0x8>;
> +						reg-shift = <0>;
> +						clocks = <&pll LS1B_CLK_APB_DIV>;
> +						status = "disabled";
> +					};
> +
> +					nand: nand at 1fe78000 {
> +						compatible = "loongson,ls1b-nand";
> +						reg = <0x1fe78000 0x30>, <0x1fe78040 0x8>;
> +						reg-names = "ctrl", "dma";
> +				       };
>  
> -		pll: pll at 1fe78030 {
> -			compatible = "loongson,ls1b-pll";
> -			#clock-cells = <1>;
> -			reg = <0x1fe78030 0x8>;
> -			clocks = <&oscillator>;
> +					pll: pll at 1fe78030 {
> +						compatible = "loongson,ls1b-pll";
> +						#clock-cells = <1>;
> +						reg = <0x1fe78030 0x8>;
> +						clocks = <&oscillator>;
> +					};
> +				};
> +			};
>  		};
>  	};
>  };
> -- 
> 2.7.4
> 



More information about the barebox mailing list