Re: [PATCH v2 1/2] Documentation: mmc: add description for new no-sd* and no-mmc
From: Ulf Hansson
Date: Mon Jul 18 2016 - 07:20:38 EST
On 14 July 2016 at 10:26, Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> wrote:
> This patch adds description for no-sd, no-sdio, no-mmc. We expose
> these to DT as some of the controllers are unable to deal with
> special cmd type due to hw limitation.
> Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
Thanks, applied for next!
> Changes in v2:
> - amend the description of these properties and the commit msg
> Documentation/devicetree/bindings/mmc/mmc.txt | 3 +++
> 1 file changed, 3 insertions(+)
> diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
> index ecc007a..22d1e1f 100644
> --- a/Documentation/devicetree/bindings/mmc/mmc.txt
> +++ b/Documentation/devicetree/bindings/mmc/mmc.txt
> @@ -49,6 +49,9 @@ Optional properties:
> - mmc-hs400-enhanced-strobe: eMMC HS400 enhanced strobe mode is supported
> - dsr: Value the card's (optional) Driver Stage Register (DSR) should be
> programmed with. Valid range: [0 .. 0xffff].
> +- no-sdio: controller is limited to send sdio cmd during initialization
> +- no-sd: controller is limited to send sd cmd during initialization
> +- no-mmc: controller is limited to send mmc cmd during initialization
> *NOTE* on CD and WP polarity. To use common for all SD/MMC host controllers line
> polarity properties, we have to fix the meaning of the "normal" and "inverted"