From: Antonio Borneo <borneo.antonio-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
Cc: Antonio Borneo
<borneo.antonio-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH] spi: pl022: Document property values
Date: Mon, 20 Mar 2017 10:59:59 +0100 [thread overview]
Message-ID: <20170320095959.6813-1-borneo.antonio@gmail.com> (raw)
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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next reply other threads:[~2017-03-20 9:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-20 9:59 Antonio Borneo [this message]
[not found] ` <20170320095959.6813-1-borneo.antonio-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-03-21 18:46 ` Applied "spi: pl022: Document property values" to the spi tree Mark Brown
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