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* Re: [PATCH 08/14] doc: dt: fsl-imx-esdhc: add strobe-dll-delay-target binding
       [not found] <1573816606-26779-1-git-send-email-haibo.chen@nxp.com>
@ 2019-12-03 19:21 ` Rob Herring
       [not found] ` <1573816606-26779-2-git-send-email-haibo.chen@nxp.com>
  1 sibling, 0 replies; 2+ messages in thread
From: Rob Herring @ 2019-12-03 19:21 UTC (permalink / raw)
  To: haibo.chen
  Cc: adrian.hunter, ulf.hansson, shawnguo, s.hauer, robh+dt,
	mark.rutland, kernel, devicetree, festevam, linux-mmc, linux-imx,
	haibo.chen

On Fri, 15 Nov 2019 19:16:45 +0800, haibo.chen@nxp.com wrote:
> From: Haibo Chen <haibo.chen@nxp.com>
> 
> Add fsl,strobe-dll-delay-target binding.
> 
> Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
> ---
>  Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt | 5 +++++
>  1 file changed, 5 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH 12/14] doc: dt: fsl-imx-esdhc: add auto-cmd23-broken binding
       [not found] ` <1573816606-26779-2-git-send-email-haibo.chen@nxp.com>
@ 2019-12-03 19:27   ` Rob Herring
  0 siblings, 0 replies; 2+ messages in thread
From: Rob Herring @ 2019-12-03 19:27 UTC (permalink / raw)
  To: haibo.chen
  Cc: adrian.hunter, ulf.hansson, shawnguo, s.hauer, mark.rutland,
	kernel, devicetree, festevam, linux-mmc, linux-imx

On Fri, Nov 15, 2019 at 07:16:46PM +0800, haibo.chen@nxp.com wrote:
> From: Haibo Chen <haibo.chen@nxp.com>
> 
> Add fsl,auto-cmd23-broken binding.
> 
> Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
> ---
>  Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
> index d50144f5f1d2..a776f418a028 100644
> --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
> +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
> @@ -43,6 +43,14 @@ Optional properties:
>    property allows user to change the delay target for the strobe input read clock.
>    If not use this property, driver default set the delay target to value 7.
>    Only eMMC HS400 mode need to take care of this property.
> +- fsl,auto-cmd23-broken: disable the ACMD23 function of USDHC.
> +  This is required for eMMC on imx6qpdl/imx6sx/imx7d when it use ADMA mode. Because
> +  for these SoC, it do not support the ACMD23 completely, only take the 16 bit block
> +  count from the 0x4 register (BLK_ATT) as argument for the ACMD23, the upper 16 bit
> +  of the CMD23's argument is ignored. This will impact the reliable write operation
> +  and the RPMB block write operation, because these operations need to set the bit 31
> +  of the CMD23's argument. SDMA mode will default disable the ACMD23 mode. SD card do
> +  not has this limitation on these SoCs.

Use the compatible string or perhaps the version register like the 
sdhci-esdhc driver does.

Rob

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2019-12-03 19:21 ` [PATCH 08/14] doc: dt: fsl-imx-esdhc: add strobe-dll-delay-target binding Rob Herring
     [not found] ` <1573816606-26779-2-git-send-email-haibo.chen@nxp.com>
2019-12-03 19:27   ` [PATCH 12/14] doc: dt: fsl-imx-esdhc: add auto-cmd23-broken binding Rob Herring

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