linux-kernel - [RFC PATCH] Add support for devicetree to i8042 serio driver

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Message-Id: <1356907629-25459-1-git-send-email-linux@prisktech.co.nz>
Date:	Mon, 31 Dec 2012 11:47:08 +1300
From:	Tony Prisk <linux@...sktech.co.nz>
To:	Input Mailing List <linux-input@...r.kernel.org>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	vt8500-wm8505-linux-kernel@...glegroups.com,
	Tony Prisk <linux@...sktech.co.nz>
Subject: [RFC PATCH] Add support for devicetree to i8042 serio driver

Since this patch may adversely affect a lot of users, I thought I'd post this
as an RFC first. I don't think the changes should affect any existing i8042
implementations, but can never be certain.

Limitations:

This patch does not overcome the problem of only being able to select
a single i8042 platform at compile-time. If compiling for a multiplatform
kernel, all platforms must use the DT version or only one platform
can have i8042 support.

The DT version assumes memory-mapped i8042 registers. It can not handle
IO-mapped modules (eg. x86)

Tony Prisk (1):
  input: i8042: Add support for devicetree to i8042 serio driver

 .../devicetree/bindings/input/intel-8042.txt       |   29 +++++
 drivers/input/serio/Kconfig                        |   10 +-
 drivers/input/serio/i8042-dt.h                     |  127 ++++++++++++++++++++
 drivers/input/serio/i8042.c                        |   15 ++-
 drivers/input/serio/i8042.h                        |    4 +-
 5 files changed, 181 insertions(+), 4 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/input/intel-8042.txt
 create mode 100644 drivers/input/serio/i8042-dt.h

-- 
1.7.9.5

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