From: Rob Herring <robh@kernel.org>
To: Manish Narani <manish.narani@xilinx.com>
Cc: ulf.hansson@linaro.org, mark.rutland@arm.com, heiko@sntech.de,
michal.simek@xilinx.com, adrian.hunter@intel.com,
christoph.muellner@theobroma-systems.com,
philipp.tomsich@theobroma-systems.com, viresh.kumar@linaro.org,
scott.branden@broadcom.com, ayaka@soulik.info, kernel@esmil.dk,
tony.xie@rock-chips.com, rajan.vaja@xilinx.com,
jolly.shah@xilinx.com, nava.manne@xilinx.com, mdf@kernel.org,
olof@lixom.net, linux-mmc@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org
Subject: Re: [PATCH v2 07/11] dt-bindings: mmc: arasan: Add optional properties for Arasan SDHCI
Date: Mon, 22 Jul 2019 16:01:34 -0600 [thread overview]
Message-ID: <20190722220134.GA8281@bogus> (raw)
In-Reply-To: <1561958991-21935-8-git-send-email-manish.narani@xilinx.com>
On Mon, Jul 01, 2019 at 10:59:47AM +0530, Manish Narani wrote:
> Add optional propeties for Arasan SDHCI which are used to set clk delays
> for different speed modes in the controller.
>
> Signed-off-by: Manish Narani <manish.narani@xilinx.com>
> ---
> Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> index 7c79496..7425d52 100644
> --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> @@ -49,6 +49,21 @@ Optional Properties:
> properly. Test mode can be used to force the controller to function.
> - xlnx,int-clock-stable-broken: when present, the controller always reports
> that the internal clock is stable even when it is not.
> + - clk-phase-legacy: Input/Output Clock Delay pair in degrees for Legacy Mode.
> + - clk-phase-mmc-hs: Input/Output Clock Delay pair degrees for MMC HS.
> + - clk-phase-sd-hs: Input/Output Clock Delay pair in degrees for SD HS.
> + - clk-phase-uhs-sdr12: Input/Output Clock Delay pair in degrees for SDR12.
> + - clk-phase-uhs-sdr25: Input/Output Clock Delay pair in degrees for SDR25.
> + - clk-phase-uhs-sdr50: Input/Output Clock Delay pair in degrees for SDR50.
> + - clk-phase-uhs-sdr104: Input/Output Clock Delay pair in degrees for SDR104.
> + - clk-phase-uhs-ddr50: Input/Output Clock Delay pair in degrees for SD DDR50.
> + - clk-phase-mmc-ddr52: Input/Output Clock Delay pair in degrees for MMC DDR52.
> + - clk-phase-mmc-hs200: Input/Output Clock Delay pair in degrees for MMC HS200.
> + - clk-phase-mmc-hs400: Input/Output Clock Delay pair in degrees for MMC HS400.
Either these need vendor prefixes or be added as common properties if
that makes sense.
Rob
> +
> + Above mentioned are the clock (phase) delays which are to be configured in the
> + controller while switching to particular speed mode. If not specified, driver
> + will configure the default value defined for particular mode in it.
>
> Example:
> sdhci@e0100000 {
> --
> 2.1.1
>
next prev parent reply other threads:[~2019-07-22 22:01 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-01 5:29 [PATCH v2 00/11] Arasan SDHCI enhancements and ZynqMP Tap Delays Handling Manish Narani
2019-07-01 5:29 ` [PATCH v2 01/11] dt-bindings: mmc: arasan: Update documentation for SD Card Clock Manish Narani
2019-07-22 21:54 ` Rob Herring
2019-07-23 8:23 ` Manish Narani
2019-07-25 13:00 ` Ulf Hansson
2019-08-19 9:21 ` Manish Narani
2019-08-22 13:38 ` Ulf Hansson
2019-08-22 18:23 ` Heiko Stuebner
2019-08-23 10:01 ` Manish Narani
2019-07-01 5:29 ` [PATCH v2 02/11] arm64: dts: rockchip: Add optional clock property indicating sdcard clock Manish Narani
2019-07-01 5:29 ` [PATCH v2 03/11] mmc: sdhci-of-arasan: Replace deprecated clk API calls Manish Narani
2019-07-01 5:29 ` [PATCH v2 04/11] mmc: sdhci-of-arasan: Separate out clk related data to another structure Manish Narani
2019-07-01 5:29 ` [PATCH v2 05/11] dt-bindings: mmc: arasan: Update Documentation for the input clock Manish Narani
2019-07-22 21:56 ` Rob Herring
2019-07-01 5:29 ` [PATCH v2 06/11] mmc: sdhci-of-arasan: Add sampling clock for a phy to use Manish Narani
2019-07-01 5:29 ` [PATCH v2 07/11] dt-bindings: mmc: arasan: Add optional properties for Arasan SDHCI Manish Narani
2019-07-22 22:01 ` Rob Herring [this message]
2019-07-01 5:29 ` [PATCH v2 08/11] mmc: sdhci-of-arasan: Add support to set clock phase delays for SD Manish Narani
2019-07-01 5:29 ` [PATCH v2 09/11] firmware: xilinx: Add SDIO Tap Delay APIs Manish Narani
2019-07-01 18:06 ` Jolly Shah
2019-07-02 5:03 ` Manish Narani
2019-07-01 5:29 ` [PATCH v2 10/11] dt-bindings: mmc: arasan: Document 'xlnx,zynqmp-8.9a' controller Manish Narani
2019-07-22 22:06 ` Rob Herring
2019-07-01 5:29 ` [PATCH v2 11/11] mmc: sdhci-of-arasan: Add support for ZynqMP Platform Tap Delays Setup Manish Narani
2019-07-10 11:33 ` [PATCH v2 00/11] Arasan SDHCI enhancements and ZynqMP Tap Delays Handling Adrian Hunter
2019-07-15 7:15 ` Manish Narani
2019-07-22 4:56 ` Manish Narani
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