diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-imx1.h')
| -rw-r--r-- | drivers/pinctrl/pinctrl-imx1.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-imx1.h b/drivers/pinctrl/pinctrl-imx1.h new file mode 100644 index 000000000000..692a54c15cda --- /dev/null +++ b/drivers/pinctrl/pinctrl-imx1.h @@ -0,0 +1,73 @@ +/* + * IMX pinmux core definitions + * + * Copyright (C) 2012 Freescale Semiconductor, Inc. + * Copyright (C) 2012 Linaro Ltd. + * + * Author: Dong Aisheng <dong.aisheng@linaro.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __DRIVERS_PINCTRL_IMX1_H +#define __DRIVERS_PINCTRL_IMX1_H + +struct platform_device; + +/** + * struct imx1_pin - describes an IMX1/21/27 pin. + * @pin_id: ID of the described pin. + * @mux_id: ID of the mux setup. + * @config: Configuration of the pin (currently only pullup-enable). + */ +struct imx1_pin { + unsigned int pin_id; + unsigned int mux_id; + unsigned long config; +}; + +/** + * struct imx1_pin_group - describes an IMX pin group + * @name: the name of this specific pin group + * @pins: an array of imx1_pin structs used in this group + * @npins: the number of pins in this group array, i.e. the number of + * elements in .pins so we can iterate over that array + */ +struct imx1_pin_group { + const char *name; + unsigned int *pin_ids; + struct imx1_pin *pins; + unsigned npins; +}; + +/** + * struct imx1_pmx_func - describes IMX pinmux functions + * @name: the name of this specific function + * @groups: corresponding pin groups + * @num_groups: the number of groups + */ +struct imx1_pmx_func { + const char *name; + const char **groups; + unsigned num_groups; +}; + +struct imx1_pinctrl_soc_info { + struct device *dev; + const struct pinctrl_pin_desc *pins; + unsigned int npins; + struct imx1_pin_group *groups; + unsigned int ngroups; + struct imx1_pmx_func *functions; + unsigned int nfunctions; +}; + +#define IMX_PINCTRL_PIN(pin) PINCTRL_PIN(pin, #pin) + +int imx1_pinctrl_core_probe(struct platform_device *pdev, + struct imx1_pinctrl_soc_info *info); +int imx1_pinctrl_core_remove(struct platform_device *pdev); +#endif /* __DRIVERS_PINCTRL_IMX1_H */ |