linux-kernel - Re: [PATCH v6 3/8] arm64: dts: ti: k3-j721s2-mcu-wakeup: Add support of OSPI

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Message-ID: <Y3w/Ew/qA/hyEY4w@ubuntu>
Date:   Mon, 21 Nov 2022 19:16:35 -0800
From:   Matt Ranostay <mranostay@...com>
To:     Andrew Davis <afd@...com>
CC:     <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <s-vadapalli@...com>, <r-gunasekaran@...com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 3/8] arm64: dts: ti: k3-j721s2-mcu-wakeup: Add support
 of OSPI

On Mon, Nov 21, 2022 at 10:53:03AM -0600, Andrew Davis wrote:
> On 11/18/22 10:09 PM, Matt Ranostay wrote:
> > From: Aswath Govindraju <a-govindraju@...com>
> > 
> > Add support for two instance of OSPI in J721S2 SoC.
> > 
> > Signed-off-by: Aswath Govindraju <a-govindraju@...com>
> > Signed-off-by: Matt Ranostay <mranostay@...com>
> > ---
> >   .../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi     | 40 +++++++++++++++++++
> >   1 file changed, 40 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..46b3aab93c4b 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 +306,44 @@ cpts@...00 {
> >   			ti,cpts-periodic-outputs = <2>;
> >   		};
> >   	};
> > +
> > +	fss: syscon@...00000 {
> > +		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
> 
> This node is not the "ti,j721e-system-controller", and those don't have
> SPI nodes in the binding, so this will have failed the dtbs_check anyway..
> 
> Should be just a "simple-bus".
> 
> Andrew
> 

Noted for next revision.

Thanks,

Matt

> > +		reg = <0x00 0x47000000 0x00 0x100>;
> > +		#address-cells = <2>;
> > +		#size-cells = <2>;
> > +		ranges;
> > +
> > +		ospi0: spi@...40000 {
> > +			compatible = "ti,am654-ospi", "cdns,qspi-nor";
> > +			reg = <0x00 0x47040000 0x00 0x100>,
> > +			      <0x5 0x0000000 0x1 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@...50000 {
> > +			compatible = "ti,am654-ospi", "cdns,qspi-nor";
> > +			reg = <0x00 0x47050000 0x00 0x100>,
> > +			      <0x7 0x0000000 0x1 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>;
> > +		};
> > +
> > +	};
> >   };