[U-Boot] [PATCH v2 2/3] ARM: DRA7: Redefine voltage and efuse macros per OPP using Kconfig

[Tom Rini]

On Wed, Nov 23, 2016 at 12:54:40PM +0530, Lokesh Vutla wrote:

> From: Suman Anna <s-anna at ti.com>
> 
> Redefine the macros used to define the voltage values and the
> efuse register offsets based on OPP for all the voltage domains.
> This is done using Kconfig macros that can be set in a defconfig
> or selected during a config step. This allows a voltage domain
> to be configured/set to a corresponding voltage value depending
> on the OPP selection choice.
> 
> The Kconfig choices have been added for MPU, DSPEVE, IVA and GPU
> voltage domains, with the MPU domain restricted to OPP_NOM. The
> OPP_OD and OPP_HIGH options will be added when the support for
> configuring the MPU clock frequency is added. The clock
> configuration for other voltage domains is out of scope in
> u-boot code.
> 
> The CORE voltage domain does not have separate voltage values
> and efuse register offset at different OPPs, while the MPU
> voltage domain only has different efuse register offsets for
> different OPPs, but uses the same voltage value. Any different
> choices of OPPs for voltage domains on common ganged-rails
> is automatically taken care to select the corresponding
> highest OPP voltage value.
> 
> Signed-off-by: Suman Anna <s-anna at ti.com>
> Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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