On 24 October 2018 at 06:10, 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 v4: > - Fix check of uclass_get_device_by_name() return value, in any error > case, continue with the next child. > > Changes in v3: None > Changes in v2: None > > drivers/pinctrl/pinctrl_stm32.c | 90 > ++++++++++++++++++++++++++++++++++++++--- > 1 file changed, 85 insertions(+), 5 deletions(-)
Reviewed-by: Simon Glass <s...@chromium.org> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
