On Fri, Oct 20, 2023 at 04:11:40PM +0200, Sebastian Reichel wrote: > RK3588 has three DWC3 controllers. Two of them are fully functional in > host, device and OTG mode including USB2 support. They are connected to > dedicated PHYs, that also support USB-C's DisplayPort alternate mode. > > The third controller is connected to one of the combphy's shared > with PCIe and SATA. It can only be used in host mode and does not > support USB2. Compared to the other controllers this one needs > some extra clocks. > > While adding the extra clocks required by RK3588, I noticed grf_clk > is not available on RK3568, so I disallowed it for that platform. > > Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx> > --- > .../bindings/usb/rockchip,dwc3.yaml | 60 +++++++++++++++++-- > 1 file changed, 55 insertions(+), 5 deletions(-) > > diff --git a/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml > index 291844c8f3e1..264c2178d61d 100644 > --- a/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml > +++ b/Documentation/devicetree/bindings/usb/rockchip,dwc3.yaml > @@ -20,9 +20,6 @@ description: > Type-C PHY > Documentation/devicetree/bindings/phy/phy-rockchip-typec.txt > > -allOf: > - - $ref: snps,dwc3.yaml# > - > select: > properties: > compatible: > @@ -30,6 +27,7 @@ select: > enum: > - rockchip,rk3328-dwc3 > - rockchip,rk3568-dwc3 > + - rockchip,rk3588-dwc3 > required: > - compatible > > @@ -39,6 +37,7 @@ properties: > - enum: > - rockchip,rk3328-dwc3 > - rockchip,rk3568-dwc3 > + - rockchip,rk3588-dwc3 > - const: snps,dwc3 > > reg: > @@ -58,7 +57,9 @@ properties: > Master/Core clock, must to be >= 62.5 MHz for SS > operation and >= 30MHz for HS operation > - description: > - Controller grf clock > + Controller grf clock OR UTMI clock > + - description: > + PIPE clock > > clock-names: > minItems: 3 > @@ -66,7 +67,10 @@ properties: > - const: ref_clk > - const: suspend_clk > - const: bus_clk > - - const: grf_clk > + - enum: > + - grf_clk > + - utmi > + - const: pipe > > power-domains: > maxItems: 1 > @@ -86,6 +90,52 @@ required: > - clocks > - clock-names > > +allOf: > + - $ref: snps,dwc3.yaml# > + - if: > + properties: > + compatible: > + contains: > + const: rockchip,rk3328-dwc3 > + then: > + properties: > + clocks: > + minItems: 3 minItems for clocks and clock-names is already 3, is it not? Otherwise, Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> Thanks, Conor. > + maxItems: 4 > + clock-names: > + minItems: 3 > + items: > + - const: ref_clk > + - const: suspend_clk > + - const: bus_clk > + - const: grf_clk > + - if: > + properties: > + compatible: > + contains: > + const: rockchip,rk3568-dwc3 > + then: > + properties: > + clocks: > + maxItems: 3 > + clock-names: > + maxItems: 3 > + - if: > + properties: > + compatible: > + contains: > + const: rockchip,rk3588-dwc3 > + then: > + properties: > + clock-names: > + minItems: 3 > + items: > + - const: ref_clk > + - const: suspend_clk > + - const: bus_clk > + - const: utmi > + - const: pipe > + > examples: > - | > #include <dt-bindings/clock/rk3328-cru.h> > -- > 2.42.0 >
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