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Input: Cypress TTSP device driver

From:  Javier Martinez Canillas <>
To:  Henrik Rydberg <>
Subject:  [PATCH v7 0/3] Input: Cypress TTSP device driver
Date:  Sun, 23 Oct 2011 20:53:41 +0200
Message-ID:  <>
Cc:  Dmitry Torokhov <>, Mohan Pallaka <>, Kevin McNeely <>, Shubhrajyoti Datta <>,,
Archive-link:  Article

Cypress TrueTouch(tm) Standard Product controllers are found in a wide range of
embedded devices. This patch-set adds support for a variety of TTSP controllers.

The original author of the driver is Kevin McNeely <>

Since the hardware is capable of tracking identifiable contacts and the original
driver used multi-touch protocol type A (stateless), I've added multi-touch
protocol type B (stateful) support.

The driver is composed of a core driver that process the data sent by the
contacts (fingers) and two bus specific interface modules (I2C and SPI).

This is version 7 of the driver that fixes issues called out by Dmitry Torokhov,
Henrik Rydberg, Mohan Pallaka, Kevin McNeely and Shubhrajyoti Datta.

The patchset is composed of the following patches:

[PATCH v7 1/3] Input: cyttsp - Cypress TTSP capacitive multi-touch screen support
[PATCH v7 2/3] Input: cyttsp - add support for Cypress TTSP touchscreen I2C bus interface
[PATCH v7 3/3] Input: cyttsp - add support for Cypress TTSP touchscreen SPI bus interface
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