On 9 October 2018 at 07:31, Patrice Chotard <patrice.chot...@st.com> 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.chot...@st.com>
> ---
>
> Changes in v3: None
> Changes in v2: None
>
>  drivers/pinctrl/pinctrl_stm32.c | 94 
> ++++++++++++++++++++++++++++++++++++++---
>  1 file changed, 89 insertions(+), 5 deletions(-)

Reviewed-by: Simon Glass <s...@chromium.org>
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