GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+/*
+ * Microsemi SoCs pinctrl driver
+ *
+ * Author: <alexandre.belloni@free-electrons.com>
+ * License: Dual MIT/GPL
+ * Copyright (c) 2017 Microsemi Corporation
+ */
+
+#define MSCC_FUNC_PER_PIN	4
+
+enum mscc_regs_gpio {
+	MSCC_GPIO_OUT_SET,
+	MSCC_GPIO_OUT_CLR,
+	MSCC_GPIO_OUT,
+	MSCC_GPIO_IN,
+	MSCC_GPIO_OE,
+	MSCC_GPIO_INTR,
+	MSCC_GPIO_INTR_ENA,
+	MSCC_GPIO_INTR_IDENT,
+	MSCC_GPIO_ALT0,
+	MSCC_GPIO_ALT1,
+};
+
+struct mscc_pin_caps {
+	unsigned int pin;
+	unsigned char functions[MSCC_FUNC_PER_PIN];
+};
+
+struct mscc_pin_data {
+	const char *name;
+	struct mscc_pin_caps *drv_data;
+};
+
+#define MSCC_P(p, f0, f1, f2)						\
+static struct mscc_pin_caps mscc_pin_##p = {				\
+	.pin = p,							\
+	.functions = {							\
+			FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2,	\
+	},								\
+}
+
+struct mscc_pmx_func {
+	const char **groups;
+	unsigned int ngroups;
+};
+
+struct mscc_pinctrl {
+	struct udevice *dev;
+	struct pinctrl_dev *pctl;
+	void __iomem *regs;
+	struct mscc_pmx_func *func;
+	int num_func;
+	const struct mscc_pin_data *mscc_pins;
+	int num_pins;
+	char * const *function_names;
+	const unsigned long *mscc_gpios;
+};
+
+int mscc_pinctrl_probe(struct udevice *dev, int num_func,
+		       const struct mscc_pin_data *mscc_pins, int num_pins,
+		       char * const *function_names,
+		       const unsigned long *mscc_gpios);
+const struct pinctrl_ops mscc_pinctrl_ops;
+
+const struct dm_gpio_ops mscc_gpio_ops;