initial commit

drivers/pinctrl/stm32/Kconfig

@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0-only
+if ARCH_STM32 || COMPILE_TEST
+
+config PINCTRL_STM32
+	bool
+	depends on OF
+	select PINMUX
+	select GENERIC_PINCONF
+	select GPIOLIB
+	select IRQ_DOMAIN_HIERARCHY
+	select MFD_SYSCON
+
+config PINCTRL_STM32F429
+	bool "STMicroelectronics STM32F429 pin control" if COMPILE_TEST && !MACH_STM32F429
+	depends on OF && HAS_IOMEM
+	default MACH_STM32F429
+	select PINCTRL_STM32
+
+config PINCTRL_STM32F469
+	bool "STMicroelectronics STM32F469 pin control" if COMPILE_TEST && !MACH_STM32F469
+	depends on OF && HAS_IOMEM
+	default MACH_STM32F469
+	select PINCTRL_STM32
+
+config PINCTRL_STM32F746
+	bool "STMicroelectronics STM32F746 pin control" if COMPILE_TEST && !MACH_STM32F746
+	depends on OF && HAS_IOMEM
+	default MACH_STM32F746
+	select PINCTRL_STM32
+
+config PINCTRL_STM32F769
+	bool "STMicroelectronics STM32F769 pin control" if COMPILE_TEST && !MACH_STM32F769
+	depends on OF && HAS_IOMEM
+	default MACH_STM32F769
+	select PINCTRL_STM32
+
+config PINCTRL_STM32H743
+	bool "STMicroelectronics STM32H743 pin control" if COMPILE_TEST && !MACH_STM32H743
+	depends on OF && HAS_IOMEM
+	default MACH_STM32H743
+	select PINCTRL_STM32
+
+config PINCTRL_STM32MP157
+	bool "STMicroelectronics STM32MP157 pin control" if COMPILE_TEST && !MACH_STM32MP157
+	depends on OF && HAS_IOMEM
+	default MACH_STM32MP157
+	select PINCTRL_STM32
+endif

drivers/pinctrl/stm32/Makefile

@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0
+# Core
+obj-$(CONFIG_PINCTRL_STM32) += pinctrl-stm32.o
+
+# SoC Drivers
+obj-$(CONFIG_PINCTRL_STM32F429)	+= pinctrl-stm32f429.o
+obj-$(CONFIG_PINCTRL_STM32F469)	+= pinctrl-stm32f469.o
+obj-$(CONFIG_PINCTRL_STM32F746)	+= pinctrl-stm32f746.o
+obj-$(CONFIG_PINCTRL_STM32F769)	+= pinctrl-stm32f769.o
+obj-$(CONFIG_PINCTRL_STM32H743)	+= pinctrl-stm32h743.o
+obj-$(CONFIG_PINCTRL_STM32MP157) += pinctrl-stm32mp157.o

drivers/pinctrl/stm32/pinctrl-stm32.h

@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) Maxime Coquelin 2015
+ * Copyright (C) STMicroelectronics 2017
+ * Author:  Maxime Coquelin <mcoquelin.stm32@gmail.com>
+ */
+#ifndef __PINCTRL_STM32_H
+#define __PINCTRL_STM32_H
+
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinconf-generic.h>
+
+#define STM32_PIN_NO(x) ((x) << 8)
+#define STM32_GET_PIN_NO(x) ((x) >> 8)
+#define STM32_GET_PIN_FUNC(x) ((x) & 0xff)
+
+#define STM32_PIN_GPIO		0
+#define STM32_PIN_AF(x)		((x) + 1)
+#define STM32_PIN_ANALOG	(STM32_PIN_AF(15) + 1)
+
+/*  package information */
+#define STM32MP_PKG_AA		BIT(0)
+#define STM32MP_PKG_AB		BIT(1)
+#define STM32MP_PKG_AC		BIT(2)
+#define STM32MP_PKG_AD		BIT(3)
+
+struct stm32_desc_function {
+	const char *name;
+	const unsigned char num;
+};
+
+struct stm32_desc_pin {
+	struct pinctrl_pin_desc pin;
+	const struct stm32_desc_function *functions;
+	const unsigned int pkg;
+};
+
+#define STM32_PIN(_pin, ...)					\
+	{							\
+		.pin = _pin,					\
+		.functions = (struct stm32_desc_function[]){	\
+			__VA_ARGS__, { } },			\
+	}
+
+#define STM32_PIN_PKG(_pin, _pkg, ...)					\
+	{							\
+		.pin = _pin,					\
+		.pkg  = _pkg,				\
+		.functions = (struct stm32_desc_function[]){	\
+			__VA_ARGS__, { } },			\
+	}
+#define STM32_FUNCTION(_num, _name)		\
+	{							\
+		.num = _num,					\
+		.name = _name,					\
+	}
+
+struct stm32_pinctrl_match_data {
+	const struct stm32_desc_pin *pins;
+	const unsigned int npins;
+};
+
+struct stm32_gpio_bank;
+
+int stm32_pctl_probe(struct platform_device *pdev);
+void stm32_pmx_get_mode(struct stm32_gpio_bank *bank,
+			int pin, u32 *mode, u32 *alt);
+int stm32_pinctrl_resume(struct device *dev);
+
+#endif /* __PINCTRL_STM32_H */
+