Re: [PATCH v8 3/8] arm64: dts: ti: k3-j721s2-mcu-wakeup: Add support of OSPI

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On 23/01/23 3:27 pm, Ravi Gunasekaran wrote:
> From: Aswath Govindraju <a-govindraju@xxxxxx>
> 
> Add support for two instance of OSPI in J721S2 SoC.
> 
> Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx>
> Signed-off-by: Matt Ranostay <mranostay@xxxxxx>
> Reviewed-by: Vaishnav Achath <vaishnav.a@xxxxxx>
> Link: https://lore.kernel.org/r/20221122101616.770050-4-mranostay@xxxxxx
> Signed-off-by: Ravi Gunasekaran <r-gunasekaran@xxxxxx>
> ---
>  .../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi     | 39 +++++++++++++++++++
>  1 file changed, 39 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> index 0af242aa9816..d404b595316e 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> @@ -306,4 +306,43 @@
>  			ti,cpts-periodic-outputs = <2>;
>  		};
>  	};
> +
> +	fss: bus@47000000 {
> +		compatible = "simple-bus";
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges;
> +

make dtbs W=12

Warning (unit_address_vs_reg): /bus@100000/bus@28380000/bus@47000000: node has a unit name, but no reg or ranges property


> +		ospi0: spi@47040000 {
> +			compatible = "ti,am654-ospi", "cdns,qspi-nor";
> +			reg = <0x00 0x47040000 0x00 0x100>,
> +			      <0x5 0x0000000 0x1 0x0000000>;

Also, please follow existing convention

			      <0x05 0x00000000 0x01 0x0000000>;

> +			interrupts = <GIC_SPI 840 IRQ_TYPE_LEVEL_HIGH>;
> +			cdns,fifo-depth = <256>;
> +			cdns,fifo-width = <4>;
> +			cdns,trigger-address = <0x0>;
> +			clocks = <&k3_clks 109 5>;
> +			assigned-clocks = <&k3_clks 109 5>;
> +			assigned-clock-parents = <&k3_clks 109 7>;
> +			assigned-clock-rates = <166666666>;
> +			power-domains = <&k3_pds 109 TI_SCI_PD_EXCLUSIVE>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +		};
> +
> +		ospi1: spi@47050000 {
> +			compatible = "ti,am654-ospi", "cdns,qspi-nor";
> +			reg = <0x00 0x47050000 0x00 0x100>,
> +			      <0x7 0x0000000 0x1 0x0000000>;

			      <0x07 0x00000000 0x01 0x0000000>;

> +			interrupts = <GIC_SPI 841 IRQ_TYPE_LEVEL_HIGH>;
> +			cdns,fifo-depth = <256>;
> +			cdns,fifo-width = <4>;
> +			cdns,trigger-address = <0x0>;
> +			clocks = <&k3_clks 110 5>;
> +			power-domains = <&k3_pds 110 TI_SCI_PD_EXCLUSIVE>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +		};
> +
> +	};
>  };



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