From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v5 4/8] dt-bindings: mmc: Add optional generic properties for mmc Date: Mon, 18 Nov 2019 08:44:27 -0600 Message-ID: References: <1572588353-110682-1-git-send-email-manish.narani@xilinx.com> <1572588353-110682-5-git-send-email-manish.narani@xilinx.com> <20191104231427.GA7606@bogus> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Manish Narani Cc: "ulf.hansson@linaro.org" , "mark.rutland@arm.com" , "adrian.hunter@intel.com" , Michal Simek , Jolly Shah , Nava kishore Manne , Rajan Vaja , "linux-mmc@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , git List-Id: linux-mmc@vger.kernel.org On Mon, Nov 11, 2019 at 4:07 AM Manish Narani wrote: > > Hi Rob, > > > > -----Original Message----- > > From: Rob Herring > > Sent: Tuesday, November 5, 2019 4:44 AM > > To: Manish Narani > > Cc: ulf.hansson@linaro.org; mark.rutland@arm.com; > > adrian.hunter@intel.com; Michal Simek ; Jolly Shah > > ; Nava kishore Manne ; Rajan Vaja > > ; linux-mmc@vger.kernel.org; > > devicetree@vger.kernel.org; linux-kernel@vger.kernel.org; linux-arm- > > kernel@lists.infradead.org; git > > 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 > > > --- > > > .../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. Running 'make dt_binding_check' would tell you... > --- 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 Drop the '-' on maximum so that minimum/maximum are 1 item in the list. > + 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>; This should fail because it is defined as a single int. Rob