Hi Rob, > -----Original Message----- > From: Manish Narani > Sent: Monday, November 11, 2019 3:38 PM > To: Rob Herring <robh@xxxxxxxxxx> > Cc: ulf.hansson@xxxxxxxxxx; mark.rutland@xxxxxxx; > adrian.hunter@xxxxxxxxx; Michal Simek <michals@xxxxxxxxxx>; Jolly Shah > <JOLLYS@xxxxxxxxxx>; Nava kishore Manne <navam@xxxxxxxxxx>; Rajan Vaja > <RAJANV@xxxxxxxxxx>; linux-mmc@xxxxxxxxxxxxxxx; > devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-arm- > kernel@xxxxxxxxxxxxxxxxxxx; git <git@xxxxxxxxxx> > Subject: RE: [PATCH v5 4/8] dt-bindings: mmc: Add optional generic properties > for mmc > > Hi Rob, > > > > -----Original Message----- > > From: Rob Herring <robh@xxxxxxxxxx> > > Sent: Tuesday, November 5, 2019 4:44 AM > > To: Manish Narani <MNARANI@xxxxxxxxxx> > > Cc: ulf.hansson@xxxxxxxxxx; mark.rutland@xxxxxxx; > > adrian.hunter@xxxxxxxxx; Michal Simek <michals@xxxxxxxxxx>; Jolly Shah > > <JOLLYS@xxxxxxxxxx>; Nava kishore Manne <navam@xxxxxxxxxx>; Rajan > Vaja > > <RAJANV@xxxxxxxxxx>; linux-mmc@xxxxxxxxxxxxxxx; > > devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-arm- > > kernel@xxxxxxxxxxxxxxxxxxx; git <git@xxxxxxxxxx> > > Subject: Re: [PATCH v5 4/8] dt-bindings: mmc: Add optional generic > > properties for mmc > > > > 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. > > Below change should work? Please review. > > --- a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml > +++ b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml > @@ -333,6 +333,16 @@ patternProperties: > required: > - reg > > + "^clk-phase-(legacy|sd-hs|mmc-(hs|hs[24]00|ddr52)|uhs- > (sdr(12|25|50|104)|ddr50))$": > + allOf: > + - $ref: /schemas/types.yaml#/definitions/uint32 > + - minimum: 0 > + - maximum: 359 > + description: > + Set the clock (phase) delays which are to be configured in the > + controller while switching to particular speed mode. These values > + are in pair of degrees. > + > dependencies: > cd-debounce-delay-ms: [ cd-gpios ] > fixed-emmc-driver-type: [ non-removable ] > @@ -351,6 +361,7 @@ examples: > keep-power-in-suspend; > wakeup-source; > mmc-pwrseq = <&sdhci0_pwrseq>; > + clk-phase-sd-hs = <63>, <72>; > }; > > - | Any comment on above change? Thanks, Manish
