[PATCH 1/2] dt-bindings: hwlock: Update OMAP HwSpinlock binding for AM64x SoCs

[Bjorn Andersson]

On Tue 09 Feb 11:09 CST 2021, Suman Anna wrote:

> Hi Rob,
> 
> On 2/9/21 11:00 AM, Rob Herring wrote:
> > On Mon, Jan 25, 2021 at 05:56:52PM -0600, Suman Anna wrote:
> >> Update the existing OMAP HwSpinlock binding to include the info for
> >> AM64x SoCs. There are some minor IP integration differences between
> >> the AM64x SoCs and the previous AM65x and J721E SoC families. A new
> >> example is also added showcasing the difference in the IP's presence
> >> on the interconnect.
> >>
> >> Signed-off-by: Suman Anna <s-anna at ti.com>
> >> ---
> >>  .../bindings/hwlock/ti,omap-hwspinlock.yaml   | 26 +++++++++++++++++++
> >>  1 file changed, 26 insertions(+)
> >>
> >> diff --git a/Documentation/devicetree/bindings/hwlock/ti,omap-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/ti,omap-hwspinlock.yaml
> >> index ac35491a6f65..ac146c0d628f 100644
> >> --- a/Documentation/devicetree/bindings/hwlock/ti,omap-hwspinlock.yaml
> >> +++ b/Documentation/devicetree/bindings/hwlock/ti,omap-hwspinlock.yaml
> >> @@ -14,6 +14,7 @@ properties:
> >>      enum:
> >>        - ti,omap4-hwspinlock  # for OMAP44xx, OMAP54xx, AM33xx, AM43xx, DRA7xx SoCs
> >>        - ti,am654-hwspinlock  # for K3 AM65x, J721E and J7200 SoCs
> >> +      - ti,am64-hwspinlock   # for K3 AM64x SoCs
> >>  
> >>    reg:
> >>      maxItems: 1
> >> @@ -74,3 +75,28 @@ examples:
> >>              };
> >>          };
> >>      };
> >> +
> >> +  - |
> >> +    / {
> >> +        /* K3 AM64x SoCs */
> >> +        model = "Texas Instruments K3 AM642 SoC";
> >> +        compatible = "ti,am642-evm", "ti,am642";
> >> +        #address-cells = <2>;
> >> +        #size-cells = <2>;
> >> +
> >> +        bus at f4000 {
> >> +            compatible = "simple-bus";
> >> +            #address-cells = <2>;
> >> +            #size-cells = <2>;
> >> +            ranges = <0x00 0x000f4000 0x00 0x000f4000 0x00 0x000002d0>, /* PINCTRL */
> >> +                     <0x00 0x01000000 0x00 0x01000000 0x00 0x02330400>, /* First peripheral window */
> >> +                     <0x00 0x0f000000 0x00 0x0f000000 0x00 0x00c44200>, /* Second peripheral window */
> >> +                     <0x00 0x20000000 0x00 0x20000000 0x00 0x0a008000>; /* Third peripheral window */
> >> +
> >> +            spinlock at 2a000000 {
> > 
> > Why are you doing the whole hierarchy here? Don't do that.
> 
> I added it because it's integration is slightly different and to help our
> downstream consumers.
> 
> > 
> > In any case, a new compatible doesn't warrant a whole new example, so 
> > drop the example.
> 
> Yeah ok, will drop the example.
> 

I was just waiting for my build test to pass before pushing this and a
few other patches out, will drop the example from the patch here.  No
need to resend.

Thanks,
Bjorn

> regards
> Suman
> 
> > 
> >> +                compatible = "ti,am64-hwspinlock";
> >> +                reg = <0x00 0x2a000000 0x00 0x1000>;
> >> +                #hwlock-cells = <1>;
> >> +            };
> >> +        };
> >> +    };
> >> -- 
> >> 2.29.2
> >>
>