From: Christopher Bostic <cbostic-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org,
rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org,
mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: Chris Bostic
<cbostic-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
joel-U3u1mxZcP9KHXe+LvDLADg@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
andrew-zrmu5oMJ5Fs@public.gmane.org,
alistair-Y4h6yKqj69EXC2x5gXVKYQ@public.gmane.org,
benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org
Subject: [PATCH v5 12/23] drivers/fsi: Add documentation for GPIO bindings
Date: Tue, 4 Apr 2017 21:05:56 -0500 [thread overview]
Message-ID: <20170405020607.79939-13-cbostic@linux.vnet.ibm.com> (raw)
In-Reply-To: <20170405020607.79939-1-cbostic-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
From: Chris Bostic <cbostic-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Add fsi master gpio device tree binding documentation
Signed-off-by: Chris Bostic <cbostic-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Signed-off-by: Joel Stanley <joel-U3u1mxZcP9KHXe+LvDLADg@public.gmane.org>
Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
---
.../devicetree/bindings/fsi/fsi-master-gpio.txt | 24 ++++++++++++++++++++++
1 file changed, 24 insertions(+)
create mode 100644 Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt
diff --git a/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt b/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt
new file mode 100644
index 0000000..a767259
--- /dev/null
+++ b/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt
@@ -0,0 +1,24 @@
+Device-tree bindings for gpio-based FSI master driver
+-----------------------------------------------------
+
+Required properties:
+ - compatible = "fsi-master-gpio";
+ - clock-gpios = <gpio-descriptor>; : GPIO for FSI clock
+ - data-gpios = <gpio-descriptor>; : GPIO for FSI data signal
+
+Optional properties:
+ - enable-gpios = <gpio-descriptor>; : GPIO for enable signal
+ - trans-gpios = <gpio-descriptor>; : GPIO for voltage translator enable
+ - mux-gpios = <gpio-descriptor>; : GPIO for pin multiplexing with other
+ functions (eg, external FSI masters)
+
+Examples:
+
+ fsi-master {
+ compatible = "fsi-master-gpio", "fsi-master";
+ clock-gpios = <&gpio 0>;
+ data-gpios = <&gpio 1>;
+ enable-gpios = <&gpio 2>;
+ trans-gpios = <&gpio 3>;
+ mux-gpios = <&gpio 4>;
+ }
--
1.8.2.2
--
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next prev parent reply other threads:[~2017-04-05 2:05 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-05 2:05 [PATCH v5 00/23] FSI device driver implementation Christopher Bostic
2017-04-05 2:05 ` [PATCH v5 01/23] drivers/fsi: Add fsi master definition Christopher Bostic
2017-04-05 2:05 ` [PATCH v5 02/23] drivers/fsi: Add slave definition Christopher Bostic
2017-04-05 2:05 ` [PATCH v5 04/23] drivers/fsi: Add crc4 helpers Christopher Bostic
2017-04-05 2:05 ` [PATCH v5 05/23] drivers/fsi: Add slave & master read/write APIs Christopher Bostic
2017-04-05 2:05 ` [PATCH v5 06/23] drivers/fsi: Set up links for slave communication Christopher Bostic
2017-04-05 2:05 ` [PATCH v5 14/23] drivers/fsi: Add sysfs files for FSI master & slave accesses Christopher Bostic
2017-04-05 2:05 ` [PATCH v5 15/23] drivers/fsi: expose direct-access slave API Christopher Bostic
2017-04-05 2:06 ` [PATCH v5 16/23] drivers/fsi: Add tracepoints for low-level operations Christopher Bostic
2017-04-05 2:06 ` [PATCH v5 18/23] drivers/fsi: Document FSI master sysfs files in ABI Christopher Bostic
2017-04-05 2:06 ` [PATCH v5 19/23] drivers/fsi: Add GPIO based FSI master Christopher Bostic
2017-04-05 16:35 ` Randy Dunlap
[not found] ` <5d173f9c-e01c-6093-16ab-d114857009b2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2017-04-09 21:04 ` Christopher Bostic
[not found] ` <20170405020607.79939-1-cbostic-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2017-04-05 2:05 ` [PATCH v5 03/23] drivers/fsi: Add empty master scan Christopher Bostic
2017-04-05 2:05 ` [PATCH v5 07/23] drivers/fsi: Implement slave initialisation Christopher Bostic
2017-04-05 2:05 ` [PATCH v5 08/23] drivers/fsi: Set slave SMODE to init communication Christopher Bostic
2017-04-05 2:05 ` [PATCH v5 09/23] drivers/fsi: scan slaves & register devices Christopher Bostic
2017-04-05 2:05 ` [PATCH v5 10/23] drivers/fsi: Add device read/write/peek API Christopher Bostic
2017-04-05 2:05 ` [PATCH v5 11/23] drivers/fsi: Add master unscan Christopher Bostic
2017-04-05 2:05 ` Christopher Bostic [this message]
2017-04-05 2:05 ` [PATCH v5 13/23] drivers/fsi: Add client driver register utilities Christopher Bostic
2017-04-05 2:06 ` [PATCH v5 17/23] drivers/fsi: Add error handling for slave communication errors Christopher Bostic
2017-04-05 2:06 ` [PATCH v5 20/23] drivers/fsi/gpio: Add tracepoints for GPIO master Christopher Bostic
2017-04-05 2:06 ` [PATCH v5 21/23] drivers/fsi: Add SCOM FSI client device driver Christopher Bostic
2017-04-05 16:35 ` Randy Dunlap
[not found] ` <bddbb80e-10b6-fbb9-152a-6e192dfe0745-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2017-04-09 21:06 ` Christopher Bostic
2017-04-05 2:06 ` [PATCH v5 22/23] drivers/fsi: Add hub master support Christopher Bostic
2017-04-05 16:36 ` Randy Dunlap
[not found] ` <8c841062-62e9-77c6-b0c9-e0da73cad3ac-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2017-04-09 21:07 ` Christopher Bostic
2017-04-05 2:06 ` [PATCH v5 23/23] drivers/fsi: Use asynchronous slave mode Christopher Bostic
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