devicetree.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH v2 1/2] Documentation: mmc: add description for new no-sd* and no-mmc
@ 2016-07-14  8:26 Shawn Lin
  2016-07-14  8:26 ` [PATCH v2 2/2] mmc: core: expose MMC_CAP2_NO_* to dt Shawn Lin
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Shawn Lin @ 2016-07-14  8:26 UTC (permalink / raw)
  To: Ulf Hansson
  Cc: Adrian Hunter, Jaehoon Chung, Rob Herring, linux-mmc,
	linux-kernel, devicetree, Shawn Lin

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@rock-chips.com>

---

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"
-- 
2.3.7

^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2016-07-18 11:20 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-07-14  8:26 [PATCH v2 1/2] Documentation: mmc: add description for new no-sd* and no-mmc Shawn Lin
2016-07-14  8:26 ` [PATCH v2 2/2] mmc: core: expose MMC_CAP2_NO_* to dt Shawn Lin
2016-07-18 11:20   ` Ulf Hansson
2016-07-16 22:49 ` [PATCH v2 1/2] Documentation: mmc: add description for new no-sd* and no-mmc Rob Herring
     [not found] ` <1468484764-32353-1-git-send-email-shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2016-07-18 11:20   ` Ulf Hansson

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).