1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.h b/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.h
new file mode 100644
index 000000000..a33d0d4e1
--- /dev/null
+++ b/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Pinctrl / GPIO driver for StarFive JH7110 SoC
+ *
+ * Copyright (C) 2022 StarFive Technology Co., Ltd.
+ */
+
+#ifndef __PINCTRL_STARFIVE_JH7110_H__
+#define __PINCTRL_STARFIVE_JH7110_H__
+
+#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/pinctrl/pinmux.h>
+
+struct jh7110_pinctrl {
+	struct device *dev;
+	struct gpio_chip gc;
+	struct pinctrl_gpio_range gpios;
+	raw_spinlock_t lock;
+	void __iomem *base;
+	struct pinctrl_dev *pctl;
+	/* register read/write mutex */
+	struct mutex mutex;
+	const struct jh7110_pinctrl_soc_info *info;
+	u32 *saved_regs;
+};
+
+struct jh7110_gpio_irq_reg {
+	unsigned int is_reg_base;
+	unsigned int ic_reg_base;
+	unsigned int ibe_reg_base;
+	unsigned int iev_reg_base;
+	unsigned int ie_reg_base;
+	unsigned int ris_reg_base;
+	unsigned int mis_reg_base;
+};
+
+struct jh7110_pinctrl_soc_info {
+	const struct pinctrl_pin_desc *pins;
+	unsigned int npins;
+	unsigned int ngpios;
+	unsigned int gc_base;
+
+	/* gpio dout/doen/din/gpioinput register */
+	unsigned int dout_reg_base;
+	unsigned int dout_mask;
+	unsigned int doen_reg_base;
+	unsigned int doen_mask;
+	unsigned int gpi_reg_base;
+	unsigned int gpi_mask;
+	unsigned int gpioin_reg_base;
+
+	const struct jh7110_gpio_irq_reg *irq_reg;
+
+	unsigned int nsaved_regs;
+
+	/* generic pinmux */
+	int (*jh7110_set_one_pin_mux)(struct jh7110_pinctrl *sfp,
+				      unsigned int pin,
+				      unsigned int din, u32 dout,
+				      u32 doen, u32 func);
+	/* gpio chip */
+	int (*jh7110_get_padcfg_base)(struct jh7110_pinctrl *sfp,
+				      unsigned int pin);
+	void (*jh7110_gpio_irq_handler)(struct irq_desc *desc);
+	int (*jh7110_gpio_init_hw)(struct gpio_chip *gc);
+};
+
+void jh7110_set_gpiomux(struct jh7110_pinctrl *sfp, unsigned int pin,
+			unsigned int din, u32 dout, u32 doen);
+int jh7110_pinctrl_probe(struct platform_device *pdev);
+struct jh7110_pinctrl *jh7110_from_irq_desc(struct irq_desc *desc);
+extern const struct dev_pm_ops jh7110_pinctrl_pm_ops;
+
+#endif /* __PINCTRL_STARFIVE_JH7110_H__ */