diff options
author | Srinivas Kandagatla <srinivas.kandagatla@st.com> | 2013-07-15 07:39:23 -0400 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-26 19:08:02 -0400 |
commit | c4b058560762ec7ffe159b668fc47a8b7e271949 (patch) | |
tree | 1f7d0be6837f78b633996402e6c49a8690087e36 /Documentation/devicetree/bindings/tty/serial/st-asc.txt | |
parent | 75e66aa65ed2224e3bb21b6c44555ff938c9046c (diff) |
serial:st-asc: Add ST ASC driver.
This patch adds support to ASC (asynchronous serial controller)
driver, which is basically a standard serial driver. This IP is common
across all the ST parts for settop box platforms.
ASC is embedded in ST COMMS IP block. It supports Rx & Tx functionality.
It support all industry standard baud rates.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
CC: Stephen Gallimore <stephen.gallimore@st.com>
CC: Stuart Menefy <stuart.menefy@st.com>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/devicetree/bindings/tty/serial/st-asc.txt')
-rw-r--r-- | Documentation/devicetree/bindings/tty/serial/st-asc.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/tty/serial/st-asc.txt b/Documentation/devicetree/bindings/tty/serial/st-asc.txt new file mode 100644 index 000000000000..75d877f5968f --- /dev/null +++ b/Documentation/devicetree/bindings/tty/serial/st-asc.txt | |||
@@ -0,0 +1,18 @@ | |||
1 | *st-asc(Serial Port) | ||
2 | |||
3 | Required properties: | ||
4 | - compatible : Should be "st,asc". | ||
5 | - reg, reg-names, interrupts, interrupt-names : Standard way to define device | ||
6 | resources with names. look in | ||
7 | Documentation/devicetree/bindings/resource-names.txt | ||
8 | |||
9 | Optional properties: | ||
10 | - st,hw-flow-ctrl bool flag to enable hardware flow control. | ||
11 | - st,force-m1 bool flat to force asc to be in Mode-1 recommeded | ||
12 | for high bit rates (above 19.2K) | ||
13 | Example: | ||
14 | serial@fe440000{ | ||
15 | compatible = "st,asc"; | ||
16 | reg = <0xfe440000 0x2c>; | ||
17 | interrupts = <0 209 0>; | ||
18 | }; | ||