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Diffstat (limited to 'drivers/pinctrl/starfive/pinctrl-starfive-jh7110.h')
-rw-r--r--drivers/pinctrl/starfive/pinctrl-starfive-jh7110.h74
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 0000000000..a33d0d4e13
--- /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__ */