[U-Boot] [U-Boot, v4, 06/11] pinctrl: stm32: Add get_pins_count() ops

[Tom Rini]

On Wed, Oct 24, 2018 at 02:10:18PM +0200, Patrice Chotard wrote:

> Add get_pins_count ops to obtain the number of pins
> owns by a pin-controller.
> On STM32 SoCs bindings, each pin-controller owns
> several gpio banks. Each GPIO bank can own up to 16 pins.
> 
> To obtain the total pins count, walk through each sub-nodes
> (ie GPIO banks) and sum each GPIO banks pins number. For that
> in probe() we build a list with each GPIO device reference found.
> This list will also be used with future get_pin_muxing and get_pin_name
> ops to speed up and optimize walk through all GPIO banks.
> 
> As this code is common to all STM32 SoCs, this code is put
> under SPL_BUILD compilation flag to avoid to increase SPL code size
> for STM32F7 which is limited to 32Ko.
> 
> Signed-off-by: Patrice Chotard <patrice.chotard at st.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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