On Fri, Aug 02, 2024 at 02:46:49PM +0800, Richard Zhu wrote: > Add i.MX8QM AHCI "fsl,imx8qm-ahci" compatible strings. > > i.MX8QM AHCI SATA doesn't require AHB clock rate to set the vendor > specified TIMER1MS register. ahb clock is not required by i.MX8QM AHCI. > > Update the description of clocks in the dt-binding accordingly. > > Signed-off-by: Richard Zhu <hongxing.zhu@xxxxxxx> > Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx> Reviewed-by: Frank Li <Frank.Li@xxxxxxx> > --- > .../devicetree/bindings/ata/imx-sata.yaml | 47 +++++++++++++++++++ > 1 file changed, 47 insertions(+) > > diff --git a/Documentation/devicetree/bindings/ata/imx-sata.yaml b/Documentation/devicetree/bindings/ata/imx-sata.yaml > index 68ffb97ddc9b2..f4eb3550a0960 100644 > --- a/Documentation/devicetree/bindings/ata/imx-sata.yaml > +++ b/Documentation/devicetree/bindings/ata/imx-sata.yaml > @@ -19,6 +19,7 @@ properties: > - fsl,imx53-ahci > - fsl,imx6q-ahci > - fsl,imx6qp-ahci > + - fsl,imx8qm-ahci > > reg: > maxItems: 1 > @@ -27,12 +28,14 @@ properties: > maxItems: 1 > > clocks: > + minItems: 2 > items: > - description: sata clock > - description: sata reference clock > - description: ahb clock > > clock-names: > + minItems: 2 > items: > - const: sata > - const: sata_ref > @@ -58,6 +61,25 @@ properties: > $ref: /schemas/types.yaml#/definitions/flag > description: if present, disable spread-spectrum clocking on the SATA link. > > + phys: > + items: > + - description: phandle to SATA PHY. > + Since "REXT" pin is only present for first lane of i.MX8QM PHY, it's > + calibration result will be stored, passed through second lane, and > + shared with all three lanes PHY. The first two lanes PHY are used as > + calibration PHYs, although only the third lane PHY is used by SATA. > + - description: phandle to the first lane PHY of i.MX8QM. > + - description: phandle to the second lane PHY of i.MX8QM. > + > + phy-names: > + items: > + - const: sata-phy > + - const: cali-phy0 > + - const: cali-phy1 > + > + power-domains: > + maxItems: 1 > + > required: > - compatible > - reg > @@ -65,6 +87,31 @@ required: > - clocks > - clock-names > > +allOf: > + - if: > + properties: > + compatible: > + contains: > + enum: > + - fsl,imx53-ahci > + - fsl,imx6q-ahci > + - fsl,imx6qp-ahci > + then: > + properties: > + clock-names: > + minItems: 3 > + > + - if: > + properties: > + compatible: > + contains: > + enum: > + - fsl,imx8qm-ahci > + then: > + properties: > + clock-names: > + minItems: 2 > + > additionalProperties: false > > examples: > -- > 2.37.1 >
