[PATCH] spi: pl022: Document property values

[PATCH] spi: pl022: Document property values

[Antonio Borneo]

The property "pl022,com-mode" can only assume one of the values of
the enum ssp_mode, defined in include/linux/amba/pl022.h
List the possible numeric values and report the associated meaning.

Signed-off-by: Antonio Borneo <borneo.antonio-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
To: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
Cc: linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
---
 Documentation/devicetree/bindings/spi/spi_pl022.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/spi/spi_pl022.txt b/Documentation/devicetree/bindings/spi/spi_pl022.txt
index 2692a5726c3f..7638b4968ddb 100644
--- a/Documentation/devicetree/bindings/spi/spi_pl022.txt
+++ b/Documentation/devicetree/bindings/spi/spi_pl022.txt
@@ -30,7 +30,10 @@ contain the following properties.
 	0: SPI
 	1: Texas Instruments Synchronous Serial Frame Format
 	2: Microwire (Half Duplex)
-- pl022,com-mode : polling, interrupt or dma
+- pl022,com-mode : specifies the transfer mode:
+	0: interrupt mode
+	1: polling mode (default mode if property not present)
+	2: DMA mode
 - pl022,rx-level-trig : Rx FIFO watermark level
 - pl022,tx-level-trig : Tx FIFO watermark level
 - pl022,ctrl-len : Microwire interface: Control length
-- 
2.12.0

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Applied "spi: pl022: Document property values" to the spi tree

[Mark Brown]

The patch

   spi: pl022: Document property values

has been applied to the spi tree at

   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From 3c85871a8a7f079cd4a24877ac9e0bcc0b1c2e4a Mon Sep 17 00:00:00 2001
From: Antonio Borneo <borneo.antonio-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Date: Mon, 20 Mar 2017 10:59:59 +0100
Subject: [PATCH] spi: pl022: Document property values

The property "pl022,com-mode" can only assume one of the values of
the enum ssp_mode, defined in include/linux/amba/pl022.h
List the possible numeric values and report the associated meaning.

Signed-off-by: Antonio Borneo <borneo.antonio-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Signed-off-by: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
---
 Documentation/devicetree/bindings/spi/spi_pl022.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/spi/spi_pl022.txt b/Documentation/devicetree/bindings/spi/spi_pl022.txt
index 2692a5726c3f..7638b4968ddb 100644
--- a/Documentation/devicetree/bindings/spi/spi_pl022.txt
+++ b/Documentation/devicetree/bindings/spi/spi_pl022.txt
@@ -30,7 +30,10 @@ contain the following properties.
 	0: SPI
 	1: Texas Instruments Synchronous Serial Frame Format
 	2: Microwire (Half Duplex)
-- pl022,com-mode : polling, interrupt or dma
+- pl022,com-mode : specifies the transfer mode:
+	0: interrupt mode
+	1: polling mode (default mode if property not present)
+	2: DMA mode
 - pl022,rx-level-trig : Rx FIFO watermark level
 - pl022,tx-level-trig : Tx FIFO watermark level
 - pl022,ctrl-len : Microwire interface: Control length
-- 
2.11.0

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