From: mporter@ti.com (Matt Porter)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 10/14] mmc: omap_hsmmc: add generic DMA request support to the DT binding
Date: Fri, 11 Jan 2013 00:48:46 -0500 [thread overview]
Message-ID: <1357883330-5364-11-git-send-email-mporter@ti.com> (raw)
In-Reply-To: <1357883330-5364-1-git-send-email-mporter@ti.com>
The binding definition is based on the generic DMA request binding.
Signed-off-by: Matt Porter <mporter@ti.com>
---
.../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 ed271fc..826cc51 100644
--- a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt
+++ b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt
@@ -20,8 +20,28 @@ ti,dual-volt: boolean, supports dual voltage cards
ti,non-removable: non-removable slot (like eMMC)
ti,needs-special-reset: Requires a special softreset sequence
ti,needs-special-hs-handling: HSMMC IP needs special setting for handling High Speed
+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 at 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 at 0x4809c000 {
compatible = "ti,omap4-hsmmc";
reg = <0x4809c000 0x400>;
@@ -30,4 +50,7 @@ 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
next prev parent reply other threads:[~2013-01-11 5:48 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-11 5:48 [PATCH v4 00/14] DMA Engine support for AM33XX Matt Porter
2013-01-11 5:48 ` [PATCH v4 01/14] ARM: davinci: move private EDMA API to arm/common Matt Porter
2013-01-11 6:15 ` Hebbar, Gururaja
2013-01-11 14:27 ` Matt Porter
2013-01-11 5:48 ` [PATCH v4 02/14] ARM: edma: remove unused transfer controller handlers Matt Porter
2013-01-11 5:48 ` [PATCH v4 03/14] ARM: edma: add AM33XX support to the private EDMA API Matt Porter
2013-01-11 18:14 ` [PATCH v4, " Lars Poeschel
[not found] ` <9fda86bbbec3444393fd5a2dc5135a5e@DFLE73.ent.ti.com>
2013-01-11 18:21 ` [PATCH v4,03/14] " Matt Porter
2013-01-11 5:48 ` [PATCH v4 04/14] dmaengine: edma: enable build for AM33XX Matt Porter
2013-01-11 5:48 ` [PATCH v4 05/14] dmaengine: edma: Add TI EDMA device tree binding Matt Porter
2013-01-11 7:54 ` Hebbar, Gururaja
[not found] ` <06e6ba0bd8984e1797c84d2926584909@DFLE72.ent.ti.com>
2013-01-11 14:30 ` Matt Porter
2013-01-11 5:48 ` [PATCH v4 06/14] ARM: dts: add AM33XX EDMA support Matt Porter
2013-01-11 5:48 ` [PATCH v4 07/14] dmaengine: add dma_request_slave_channel_compat() Matt Porter
2013-01-11 17:52 ` Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 08/14] mmc: omap_hsmmc: convert to dma_request_slave_channel_compat() Matt Porter
2013-01-11 17:52 ` Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 09/14] mmc: omap_hsmmc: set max_segs based on dma engine limitations Matt Porter
2013-01-11 17:53 ` Tony Lindgren
2013-01-11 5:48 ` Matt Porter [this message]
2013-01-11 17:54 ` [PATCH v4 10/14] mmc: omap_hsmmc: add generic DMA request support to the DT binding Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 11/14] ARM: dts: add AM33XX MMC support Matt Porter
2013-01-11 17:55 ` Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 12/14] spi: omap2-mcspi: convert to dma_request_slave_channel_compat() Matt Porter
2013-01-11 5:48 ` [PATCH v4 13/14] spi: omap2-mcspi: add generic DMA request support to the DT binding Matt Porter
2013-01-11 5:48 ` [PATCH v4 14/14] ARM: dts: add AM33XX SPI DMA support Matt Porter
2013-01-11 11:40 ` [PATCH v4 00/14] DMA Engine support for AM33XX Arnd Bergmann
2013-01-11 18:33 ` Matt Porter
2013-01-11 20:12 ` Arnd Bergmann
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