On Fri, Nov 01, 2019 at 11:35:49AM +0530, Manish Narani wrote: > Add optional properties for mmc hosts which are used to set clk delays > for different speed modes in the controller. > > Signed-off-by: Manish Narani <manish.narani@xxxxxxxxxx> > --- > .../bindings/mmc/mmc-controller.yaml | 92 +++++++++++++++++++ > 1 file changed, 92 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml > index 080754e0ef35..87a83d966851 100644 > --- a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml > +++ b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml > @@ -212,6 +212,98 @@ properties: > description: > eMMC HS400 enhanced strobe mode is supported > > + # Below mentioned are the clock (phase) delays which are to be configured > + # in the controller while switching to particular speed mode. The range > + # of values are 0 to 359 degrees. > + > + clk-phase-legacy: > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - minimum: 0 > + - maximum: 359 > + description: > + Input/Output Clock Delay pair in degrees for Legacy Mode. > + > + clk-phase-mmc-hs: > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - minimum: 0 > + - maximum: 359 > + description: > + Input/Output Clock Delay pair degrees for MMC HS. > + > + clk-phase-sd-hs: > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - minimum: 0 > + - maximum: 359 > + description: > + Input/Output Clock Delay pair in degrees for SD HS. > + > + clk-phase-uhs-sdr12: > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - minimum: 0 > + - maximum: 359 > + description: > + Input/Output Clock Delay pair in degrees for SDR12. > + > + clk-phase-uhs-sdr25: > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - minimum: 0 > + - maximum: 359 > + description: > + Input/Output Clock Delay pair in degrees for SDR25. > + > + clk-phase-uhs-sdr50: > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - minimum: 0 > + - maximum: 359 > + description: > + Input/Output Clock Delay pair in degrees for SDR50. > + > + clk-phase-uhs-sdr104: > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - minimum: 0 > + - maximum: 359 > + description: > + Input/Output Clock Delay pair in degrees for SDR104. > + > + clk-phase-uhs-ddr50: > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - minimum: 0 > + - maximum: 359 > + description: > + Input/Output Clock Delay pair in degrees for SD DDR50. > + > + clk-phase-mmc-ddr52: > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - minimum: 0 > + - maximum: 359 > + description: > + Input/Output Clock Delay pair in degrees for MMC DDR52. > + > + clk-phase-mmc-hs200: > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - minimum: 0 > + - maximum: 359 > + description: > + Input/Output Clock Delay pair in degrees for MMC HS200. > + > + clk-phase-mmc-hs400: > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - minimum: 0 > + - maximum: 359 > + description: > + Input/Output Clock Delay pair in degrees for MMC HS400. This can be condensed into: patternProperties: "^clk-phase-(legacy|sd-hs|mmc-(hs|hs[24]00|ddr52)|uhs-(sdr(12|25|50|104)|ddr50))$": Or if you want to divide them between SD and MMC ones, that would be fine for me. Rob
