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