On 12/15/23 22:59, Samuel Holland wrote: > On 2023-12-15 2:47 PM, Jessica Clarke wrote: >> On 15 Dec 2023, at 20:40, Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxxxxxx> wrote: >>> >>> The Synopsys DesignWare MAC found on StarFive JH7100 SoC is mostly >>> similar to the newer JH7110, but it requires only two interrupts and a >>> single reset line, which is 'ahb' instead of the commonly used >>> 'stmmaceth'. >>> >>> Since the common binding 'snps,dwmac' allows selecting 'ahb' only in >>> conjunction with 'stmmaceth', extend the logic to also permit exclusive >>> usage of the 'ahb' reset name. This ensures the following use cases are >>> supported: >>> >>> JH7110: reset-names = "stmmaceth", "ahb"; >>> JH7100: reset-names = "ahb"; >>> other: reset-names = "stmmaceth"; >>> >>> Also note the need to use a different dwmac fallback, as v5.20 applies >>> to JH7110 only, while JH7100 relies on v3.7x. >>> >>> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxxxxxx> >>> --- >>> .../devicetree/bindings/net/snps,dwmac.yaml | 3 +- >>> .../bindings/net/starfive,jh7110-dwmac.yaml | 74 +++++++++++++------ >>> 2 files changed, 55 insertions(+), 22 deletions(-) >>> >>> diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml >>> index 5c2769dc689a..c1380ff1c054 100644 >>> --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml >>> +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml >>> @@ -95,6 +95,7 @@ properties: >>> - snps,dwmac-5.20 >>> - snps,dwxgmac >>> - snps,dwxgmac-2.10 >>> + - starfive,jh7100-dwmac >>> - starfive,jh7110-dwmac >>> >>> reg: >>> @@ -146,7 +147,7 @@ properties: >>> reset-names: >>> minItems: 1 >>> items: >>> - - const: stmmaceth >>> + - enum: [stmmaceth, ahb] >>> - const: ahb >> >> I’m not so well-versed in the YAML bindings, but would this not allow >> reset-names = "ahb", "ahb"? > > Yes, it would. You need something like: > > reset-names: > oneOf: > - enum: [stmmaceth, ahb] > - items: > - const: stmmaceth > - const: ahb Oh yes, I always forget about the "oneOf" thing. Thanks! > Regards, > Samuel >
