1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * IMX pinmux core definitions
5 * Copyright (C) 2012 Freescale Semiconductor, Inc.
6 * Copyright (C) 2012 Linaro Ltd.
11 #ifndef __DRIVERS_PINCTRL_IMX_H
12 #define __DRIVERS_PINCTRL_IMX_H
14 #include <linux/pinctrl/pinmux.h>
16 struct platform_device;
18 extern struct pinmux_ops imx_pmx_ops;
19 extern const struct dev_pm_ops imx_pinctrl_pm_ops;
22 * struct imx_pin_mmio - MMIO pin configurations
23 * @mux_mode: the mux mode for this pin.
24 * @input_reg: the select input register offset for this pin if any
25 * 0 if no select input setting needed.
26 * @input_val: the select input value for this pin.
27 * @configs: the config for this pin.
30 unsigned int mux_mode;
32 unsigned int input_val;
37 * struct imx_pin_scu - SCU pin configurations
38 * @mux: the mux mode for this pin.
39 * @configs: the config for this pin.
42 unsigned int mux_mode;
47 * struct imx_pin - describes a single i.MX pin
48 * @pin: the pin_id of this pin
49 * @conf: config type of this pin, either mmio or scu
54 struct imx_pin_mmio mmio;
55 struct imx_pin_scu scu;
60 * struct imx_pin_reg - describe a pin reg map
61 * @mux_reg: mux register offset
62 * @conf_reg: config register offset
70 * @dev: a pointer back to containing device
71 * @base: the offset to the controller in virtual memory
75 struct pinctrl_dev *pctl;
77 void __iomem *input_sel_base;
78 const struct imx_pinctrl_soc_info *info;
79 struct imx_pin_reg *pin_regs;
80 unsigned int group_index;
84 struct imx_pinctrl_soc_info {
85 const struct pinctrl_pin_desc *pins;
88 const char *gpr_compatible;
90 /* MUX_MODE shift and mask in case SHARE_MUX_CONF_REG */
91 unsigned int mux_mask;
94 int (*gpio_set_direction)(struct pinctrl_dev *pctldev,
95 struct pinctrl_gpio_range *range,
98 int (*imx_pinconf_get)(struct pinctrl_dev *pctldev, unsigned int pin_id,
99 unsigned long *config);
100 int (*imx_pinconf_set)(struct pinctrl_dev *pctldev, unsigned int pin_id,
101 unsigned long *configs, unsigned int num_configs);
102 void (*imx_pinctrl_parse_pin)(struct imx_pinctrl *ipctl,
103 unsigned int *pin_id, struct imx_pin *pin,
104 const __be32 **list_p);
107 #define SHARE_MUX_CONF_REG BIT(0)
108 #define ZERO_OFFSET_VALID BIT(1)
109 #define IMX_USE_SCU BIT(2)
114 #define IMX_PINCTRL_PIN(pin) PINCTRL_PIN(pin, #pin)
116 #define PAD_CTL_MASK(len) ((1 << len) - 1)
117 #define IMX_MUX_MASK 0x7
118 #define IOMUXC_CONFIG_SION (0x1 << 4)
120 int imx_pinctrl_probe(struct platform_device *pdev,
121 const struct imx_pinctrl_soc_info *info);
123 #define BM_PAD_CTL_GP_ENABLE BIT(30)
124 #define BM_PAD_CTL_IFMUX_ENABLE BIT(31)
125 #define BP_PAD_CTL_IFMUX 27
127 int imx_pinctrl_sc_ipc_init(struct platform_device *pdev);
128 int imx_pinconf_get_scu(struct pinctrl_dev *pctldev, unsigned pin_id,
129 unsigned long *config);
130 int imx_pinconf_set_scu(struct pinctrl_dev *pctldev, unsigned pin_id,
131 unsigned long *configs, unsigned num_configs);
132 void imx_pinctrl_parse_pin_scu(struct imx_pinctrl *ipctl,
133 unsigned int *pin_id, struct imx_pin *pin,
134 const __be32 **list_p);
135 #endif /* __DRIVERS_PINCTRL_IMX_H */