On 16/09/2024 11:10, Ryan Chen wrote: > Add compatible support for AST2700 clk, reset, pinctrl, silicon-id for AST2700 scu. Please wrap commit message according to Linux coding style / submission process (neither too early nor over the limit): https://elixir.bootlin.com/linux/v6.4-rc1/source/Documentation/process/submitting-patches.rst#L597 > > Signed-off-by: Ryan Chen <ryan_chen@xxxxxxxxxxxxxx> > --- > .../devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml | 13 +++++++++++-- > 1 file changed, 11 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml b/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml > index 86ee69c0f45b..127a357051cd 100644 > --- a/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml > +++ b/Documentation/devicetree/bindings/mfd/aspeed,ast2x00-scu.yaml > @@ -9,6 +9,8 @@ title: Aspeed System Control Unit > description: > The Aspeed System Control Unit manages the global behaviour of the SoC, > configuring elements such as clocks, pinmux, and reset. > + In AST2700 SOC which has two soc connection, each soc have its own scu > + register control, ast2700-scu0 for soc0, ast2700-scu1 for soc1. > > maintainers: > - Joel Stanley <joel@xxxxxxxxx> > @@ -21,6 +23,8 @@ properties: > - aspeed,ast2400-scu > - aspeed,ast2500-scu > - aspeed,ast2600-scu > + - aspeed,ast2700-scu0 > + - aspeed,ast2700-scu1 > - const: syscon > - const: simple-mfd > > @@ -30,10 +34,12 @@ properties: > ranges: true > > '#address-cells': > - const: 1 > + minimum: 1 > + maximum: 2 > > '#size-cells': > - const: 1 > + minimum: 1 > + maximum: 2 Why do the children have 64 bit addressing? > > '#clock-cells': > const: 1 > @@ -56,6 +62,8 @@ patternProperties: > - aspeed,ast2400-pinctrl > - aspeed,ast2500-pinctrl > - aspeed,ast2600-pinctrl > + - aspeed,ast2700-soc0-pinctrl > + - aspeed,ast2700-soc1-pinctrl Are these devices different? Where is this binding documented (fully)? Provide link to lore patch in the changelog. > > required: > - compatible > @@ -76,6 +84,7 @@ patternProperties: > - aspeed,ast2400-silicon-id > - aspeed,ast2500-silicon-id > - aspeed,ast2600-silicon-id > + - aspeed,ast2700-silicon-id This one is fine. > - const: aspeed,silicon-id > > reg: Best regards, Krzysztof