On 12/15/23 22:47, 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, as I already pointed out in [1], I wasn't able to come up with a proper solution to avoid that. Thanks, Cristian > Jess >
