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drivers/pinctrl: stm32f1: Provide a function which centralize remap

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Centralize AFIO remapping into one single function.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
This commit is contained in:
Erwan Gouriou 2020-10-13 16:44:13 +02:00 • committed by Kumar Gala
commit 0143b5e3de
7 changed files with 221 additions and 225 deletions
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32
drivers/can/can_stm32.c
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@ -421,37 +421,7 @@ static int can_stm32_init(const struct device *dev)
return remap;
}
/* A valid remapping configuration is provided */
/* Apply remapping before proceeding with pin configuration */
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_AFIO);
switch ((uint32_t)cfg->can) {
#if defined(AFIO_MAPR_CAN_REMAP_REMAP1)
case DT_REG_ADDR(DT_NODELABEL(can1)):
if (remap == REMAP_1) {
/* PB8/PB9 */
LL_GPIO_AF_RemapPartial2_CAN1();
} else if (remap == REMAP_2) {
/* PD0/PD1 */
LL_GPIO_AF_RemapPartial3_CAN1();
} else {
/* NO_REMAP: PA11/PA12 */
LL_GPIO_AF_RemapPartial1_CAN1();
}
break;
#endif
#if defined(AFIO_MAPR_CAN2_REMAP)
case DT_REG_ADDR(DT_NODELABEL(can2)):
if (remap == REMAP_1) {
/* PB5/PB6 */
LL_GPIO_AF_EnableRemap_CAN2();
} else {
/* PB12/PB13 */
LL_GPIO_AF_DisableRemap_CAN2();
}
break;
#endif
}
stm32_dt_pinctrl_remap_set((uint32_t)cfg->can, remap);
#endif /* DT_HAS_COMPAT_STATUS_OKAY(st_stm32f1_pinctrl) */
stm32_dt_pinctrl_configure(cfg->pinctrl, cfg->pinctrl_len);