[U-Boot] [PATCH 07/14] tegra: Add PMU to manage power supplies

[Simon Glass]

Hi Stephen,

On Tue, Jan 10, 2012 at 9:56 AM, Stephen Warren <swarren at nvidia.com> wrote:
> On 12/26/2011 12:33 PM, Simon Glass wrote:
>> From: Jimmy Zhang <jimmzhang at nvidia.com>
>>
>> Power supplies must be adjusted in line with clock frequency. This code
>> provides a simple routine to set the voltage to allow operation at maximum
>> frequency.
>>
>> Signed-off-by: Simon Glass <sjg at chromium.org>
>> ---
>>  arch/arm/cpu/armv7/tegra2/Makefile     |    1 +
>>  arch/arm/cpu/armv7/tegra2/pmu.c        |  355 ++++++++++++++++++++++++++++++++
>>  arch/arm/include/asm/arch-tegra2/pmu.h |   63 ++++++
>>  3 files changed, 419 insertions(+), 0 deletions(-)
>>  create mode 100644 arch/arm/cpu/armv7/tegra2/pmu.c
>>  create mode 100644 arch/arm/include/asm/arch-tegra2/pmu.h
>
> This driver appears to be for an I2C-based device, so I assume it'd for
> a particular PMIC not Tegra's PMC HW module. I imagine this is a driver
> for the TI TPS6586X, right?
>
> As such, naming this "pmu" and putting it into the Tegra directory
> doesn't make sense. There should be a generic TPS6586X driver, and
> possibly a separate file and patch to implement the use of that chip in
> conjunction with Tegra.

Oh dear, but yes you are right. It is a TPS658621C according to my
schematic. I will leap into this also.

Regards,
Simon

>
> --
> nvpublic