pinctrl: stm32: add stm32mp257 pinctrl support

Add stm32mp257 pinctrl support.

Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/stm32/Kconfig

@@ -51,4 +51,10 @@ config PINCTRL_STM32MP157
 	depends on OF && HAS_IOMEM
 	default MACH_STM32MP157
 	select PINCTRL_STM32
+
+config PINCTRL_STM32MP257
+	bool "STMicroelectronics STM32MP257 pin control" if COMPILE_TEST && !MACH_STM32MP25
+	depends on OF && HAS_IOMEM
+	default MACH_STM32MP25
+	select PINCTRL_STM32
 endif

drivers/pinctrl/stm32/Makefile

@@ -10,3 +10,4 @@ obj-$(CONFIG_PINCTRL_STM32F769)	+= pinctrl-stm32f769.o
 obj-$(CONFIG_PINCTRL_STM32H743)	+= pinctrl-stm32h743.o
 obj-$(CONFIG_PINCTRL_STM32MP135) += pinctrl-stm32mp135.o
 obj-$(CONFIG_PINCTRL_STM32MP157) += pinctrl-stm32mp157.o
+obj-$(CONFIG_PINCTRL_STM32MP257) += pinctrl-stm32mp257.o

drivers/pinctrl/stm32/pinctrl-stm32.h

@@ -24,6 +24,9 @@
 #define STM32MP_PKG_AB		BIT(1)
 #define STM32MP_PKG_AC		BIT(2)
 #define STM32MP_PKG_AD		BIT(3)
+#define STM32MP_PKG_AI		BIT(8)
+#define STM32MP_PKG_AK		BIT(10)
+#define STM32MP_PKG_AL		BIT(11)
 
 struct stm32_desc_function {
 	const char *name;