docs: i2c: convert to ReST and add to driver-api bookset

Convert each file at I2C subsystem, renaming them to .rst and
adding to the driver-api book.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

1 files changed, 26 insertions, 0 deletions

diff --git a/Documentation/i2c/busses/i2c-pca-isa.rst b/Documentation/i2c/busses/i2c-pca-isa.rst
new file mode 100644
index 000000000000..a254010c8055
--- /dev/null
+++ b/Documentation/i2c/busses/i2c-pca-isa.rst
@@ -0,0 +1,26 @@
+=========================
+Kernel driver i2c-pca-isa
+=========================
+
+Supported adapters:
+
+This driver supports ISA boards using the Philips PCA 9564
+Parallel bus to I2C bus controller
+
+Author: Ian Campbell <icampbell@arcom.com>, Arcom Control Systems
+
+Module Parameters
+-----------------
+
+* base int
+    I/O base address
+* irq int
+    IRQ interrupt
+* clock int
+    Clock rate as described in table 1 of PCA9564 datasheet
+
+Description
+-----------
+
+This driver supports ISA boards using the Philips PCA 9564
+Parallel bus to I2C bus controller