From: Matt Porter <mporter-l0cyMroinI0@public.gmane.org>
To: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>,
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Subject: [RFC PATCH 09/13] mmc: omap_hsmmc: add generic DMA request support to the DT binding
Date: Thu, 20 Sep 2012 10:43:42 -0400 [thread overview]
Message-ID: <1348152226-13588-10-git-send-email-mporter@ti.com> (raw)
In-Reply-To: <1348152226-13588-1-git-send-email-mporter-l0cyMroinI0@public.gmane.org>
The binding definition is based on the generic DMA request binding.
Signed-off-by: Matt Porter <mporter-l0cyMroinI0@public.gmane.org>
---
.../devicetree/bindings/mmc/ti-omap-hsmmc.txt | 25 +++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt
index be76a23..d1b8932 100644
--- a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt
+++ b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt
@@ -19,8 +19,28 @@ ti,dual-volt: boolean, supports dual voltage cards
"supply-name" examples are "vmmc", "vmmc_aux" etc
ti,non-removable: non-removable slot (like eMMC)
ti,needs-special-reset: Requires a special softreset sequence
+dmas: DMA controller phandle and DMA request value ordered pair
+One tx and one rx pair is required.
+dma-names: DMA request names. These strings correspond 1:1 with
+the ordered pairs in dmas. The RX request must be "rx" and the
+TX request must be "tx".
+
+Examples:
+
+[hwmod populated DMA resources]
+
+ mmc1: mmc@0x4809c000 {
+ compatible = "ti,omap4-hsmmc";
+ reg = <0x4809c000 0x400>;
+ ti,hwmods = "mmc1";
+ ti,dual-volt;
+ bus-width = <4>;
+ vmmc-supply = <&vmmc>; /* phandle to regulator node */
+ ti,non-removable;
+ };
+
+[generic DMA request binding]
-Example:
mmc1: mmc@0x4809c000 {
compatible = "ti,omap4-hsmmc";
reg = <0x4809c000 0x400>;
@@ -29,4 +49,7 @@ Example:
bus-width = <4>;
vmmc-supply = <&vmmc>; /* phandle to regulator node */
ti,non-removable;
+ dmas = <&edma 24
+ &edma 25>;
+ dma-names = "tx", "rx";
};
--
1.7.9.5
------------------------------------------------------------------------------
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next prev parent reply other threads:[~2012-09-20 14:43 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-20 14:43 [RFC PATCH 00/13] DMA Engine support for AM33xx Matt Porter
[not found] ` <1348152226-13588-1-git-send-email-mporter-l0cyMroinI0@public.gmane.org>
2012-09-20 14:43 ` [RFC PATCH 01/13] ARM: davinci: move private EDMA API to arm/common Matt Porter
[not found] ` <1348152226-13588-2-git-send-email-mporter-l0cyMroinI0@public.gmane.org>
2012-09-21 7:10 ` Hebbar, Gururaja
2012-09-21 18:24 ` Matt Porter
2012-09-21 9:29 ` Russell King - ARM Linux
[not found] ` <20120921092923.GA31374-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2012-09-21 9:33 ` Hebbar, Gururaja
2012-09-21 9:42 ` Russell King - ARM Linux
[not found] ` <20120921094205.GC31374-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2012-09-21 18:34 ` Matt Porter
2012-09-21 18:50 ` Russell King - ARM Linux
2012-09-24 2:44 ` Hebbar, Gururaja
2012-09-20 14:43 ` [RFC PATCH 02/13] ARM: edma: remove unused transfer controller handlers Matt Porter
2012-09-20 14:43 ` [RFC PATCH 03/13] ARM: edma: add DT and runtime PM support for AM335x Matt Porter
[not found] ` <1348152226-13588-4-git-send-email-mporter-l0cyMroinI0@public.gmane.org>
2012-09-21 8:53 ` Hebbar, Gururaja
2012-10-09 18:58 ` Matt Porter
2012-09-20 14:43 ` [RFC PATCH 04/13] dmaengine: edma: enable build " Matt Porter
2012-09-20 14:43 ` [RFC PATCH 05/13] dma: Add TI EDMA device tree binding Matt Porter
[not found] ` <1348152226-13588-6-git-send-email-mporter-l0cyMroinI0@public.gmane.org>
2012-09-21 8:45 ` Hebbar, Gururaja
2012-09-21 18:23 ` Matt Porter
2012-09-20 14:43 ` [RFC PATCH 06/13] ARM: omap: add hsmmc am33xx specific init Matt Porter
2012-09-20 14:43 ` [RFC PATCH 07/13] mmc: omap_hsmmc: dma_request_slave_channel() support for DT platforms Matt Porter
2012-09-20 22:16 ` Tony Lindgren
2012-09-20 14:43 ` [RFC PATCH 08/13] mmc: omap_hsmmc: limit max_segs with the EDMA DMAC Matt Porter
2012-09-21 17:15 ` S, Venkatraman
[not found] ` <CANfBPZ81anOy8fWgKM1PgCtB4V2pEp2x1Qi4x1uPsq7QieMN5g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-21 17:17 ` S, Venkatraman
2012-09-21 17:18 ` Felipe Balbi
[not found] ` <20120921171840.GB10409-S8G//mZuvNWo5Im9Ml3/Zg@public.gmane.org>
2012-09-21 17:33 ` S, Venkatraman
2012-09-21 18:54 ` Matt Porter
2012-09-21 18:42 ` Matt Porter
2012-09-21 18:47 ` Russell King - ARM Linux
[not found] ` <20120921184721.GD31374-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2012-09-21 19:03 ` Matt Porter
2012-09-27 9:41 ` Vinod Koul
2012-10-01 16:39 ` Matt Porter
2012-10-02 12:03 ` Vinod Koul
2012-09-20 14:43 ` Matt Porter [this message]
2012-09-20 14:43 ` [RFC PATCH 10/13] spi: omap2-mcspi: dma_request_slave_channel() support for DT platforms Matt Porter
2012-09-20 22:09 ` Tony Lindgren
2012-09-21 8:16 ` Arnd Bergmann
2012-09-21 15:42 ` Tony Lindgren
[not found] ` <20120921154247.GZ28835-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2012-09-21 18:37 ` Matt Porter
2012-09-27 9:36 ` Vinod Koul
2012-10-01 16:37 ` Matt Porter
2012-09-20 14:43 ` [RFC PATCH 11/13] spi: omap2-mcspi: add generic DMA request support to the DT binding Matt Porter
2012-09-20 14:43 ` [RFC PATCH 12/13] ARM: dts: add am33xx EDMA support Matt Porter
2012-09-20 14:43 ` [RFC PATCH 13/13] Documentation: add schedule for removing private EDMA API Matt Porter
2012-09-20 15:58 ` Mark Brown
2012-09-20 16:05 ` Matt Porter
2012-09-21 8:27 ` [RFC PATCH 00/13] DMA Engine support for AM33xx Hebbar, Gururaja
2012-09-21 18:22 ` Matt Porter
2012-09-24 11:26 ` Hebbar, Gururaja
2012-09-24 12:05 ` Matt Porter
2012-09-26 8:26 ` Hebbar, Gururaja
2012-09-26 13:01 ` Matt Porter
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