[PATCH] arm64: dts: k3-j72*: correct compatible for syscon entries

[Matt Ranostay]

On Thu, Oct 13, 2022 at 09:05:11AM -0400, Krzysztof Kozlowski wrote:
> On 12/10/2022 14:00, Matt Ranostay wrote:
> > Add missing ti,j721e-system-controller to bus defines in mcu/wakeup
> > domains to avoid the following similar warnings from dt-schema checks:
> > 
> > arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dtb: syscon at 40f00000: compatible: ['syscon', 'simple-mfd'] is too short'
> > 
> > Signed-off-by: Matt Ranostay <mranostay at ti.com>
> > ---
> >  arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi  | 2 +-
> >  arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi  | 2 +-
> >  arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi | 2 +-
> >  3 files changed, 3 insertions(+), 3 deletions(-)
> > 
> > diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> > index e5be78a58682..b5c666f98ba4 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> > +++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> > @@ -35,7 +35,7 @@ k3_reset: reset-controller {
> >  	};
> >  
> >  	mcu_conf: syscon at 40f00000 {
> > -		compatible = "syscon", "simple-mfd";
> > +		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
> 
> That's a different SoC, so probably you should use dedicated compatible
> here.

Since there isn't any notable difference between these platforms for the simple-mfd
controller I'm thinking it maybe makes sense to have a ti,generic-system-controller
compatible. Thoughts?

- Matt 

> 
> >  		reg = <0x00 0x40f00000 0x00 0x20000>;
> >  		#address-cells = <1>;
> >  		#size-cells = <1>;
> > diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
> > index df08724bbf1c..5d9ec221fa34 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
> > +++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
> > @@ -35,7 +35,7 @@ k3_reset: reset-controller {
> >  	};
> >  
> >  	mcu_conf: syscon at 40f00000 {
> > -		compatible = "syscon", "simple-mfd";
> > +		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
> >  		reg = <0x0 0x40f00000 0x0 0x20000>;
> >  		#address-cells = <1>;
> >  		#size-cells = <1>;
> > 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 4d1bfabd1313..3845d162d3c6 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> > +++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> > @@ -69,7 +69,7 @@ wkup_gpio_intr: interrupt-controller at 42200000 {
> >  	};
> >  
> >  	mcu_conf: syscon at 40f00000 {
> > -		compatible = "syscon", "simple-mfd";
> > +		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
> 
> Here as wekk - it's a j721s2?
> 
> >  		reg = <0x0 0x40f00000 0x0 0x20000>;
> >  		#address-cells = <1>;
> >  		#size-cells = <1>;
> 
> Best regards,
> Krzysztof
>