From bb1dccfc63f7a007c6347c75ba597d866749d9d2 Mon Sep 17 00:00:00 2001
From: Simon Que <sque@chromium.org>
Date: Fri, 16 Dec 2011 20:11:22 +0100
Subject: [PATCH] ARM: tegra: Fix PWM clock programming

PWM clock source registers in Tegra 2 have different clock source selection bit
fields than other registers.  PWM clock source bits in CLK_SOURCE_PWM_0 register
are located at bit field bit[30:28] while others are at bit field bit[31:30] in
their respective clock source register.

This patch updates the clock programming to correctly reflect that, by adding a
flag to indicate the alternate bit field format and checking for it when
selecting a clock source (parent clock).

Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Signed-off-by: Simon Que <sque@chromium.org>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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