3  * ZynqMP pin controller
48  * @name:	Name of the pin mux function
49  * @groups:	List of pin groups for this function
53  * This structure holds information about pin control function
64  * @pctrl:	Pin control device
65  * @groups:	Pin groups
67  * @funcs:	Pin mux functions
71  * information regarding pin control functions, groups and
83  * struct zynqmp_pctrl_group - Pin control group info
85  * @pins:	Group pin numbers
133 				     unsigned int pin)  in zynqmp_pinmux_request_pin()  argument
137 	ret = zynqmp_pm_pinctrl_request(pin);  in zynqmp_pinmux_request_pin()
139 		dev_err(pctldev->dev, "request failed for pin %u\n", pin);  in zynqmp_pinmux_request_pin()
205 		unsigned int pin = pgrp->pins[i];  in zynqmp_pinmux_set_mux()  local
207 		ret = zynqmp_pm_pinctrl_set_function(pin, function);  in zynqmp_pinmux_set_mux()
209 			dev_err(pctldev->dev, "set mux failed for pin %u\n",  in zynqmp_pinmux_set_mux()
210 				pin);  in zynqmp_pinmux_set_mux()
219 				     unsigned int pin)  in zynqmp_pinmux_release_pin()  argument
223 	ret = zynqmp_pm_pinctrl_release(pin);  in zynqmp_pinmux_release_pin()
225 		dev_err(pctldev->dev, "free pin failed for pin %u\n",  in zynqmp_pinmux_release_pin()
226 			pin);  in zynqmp_pinmux_release_pin()
243  * zynqmp_pinconf_cfg_get() - get config value for the pin
244  * @pctldev:	Pin control device pointer.
245  * @pin:	Pin number.
249  * given pin.
254 				  unsigned int pin,  in zynqmp_pinconf_cfg_get()  argument
263 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
267 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
275 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
283 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
291 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
295 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
299 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
316 				 "Invalid drive strength for pin %d\n",  in zynqmp_pinconf_cfg_get()
317 				 pin);  in zynqmp_pinconf_cfg_get()
336  * zynqmp_pinconf_cfg_set() - Set requested config for the pin
338  * @pin:		Pin number.
343  * to set requested configurations for the pin.
348 				  unsigned int pin, unsigned long *configs,  in zynqmp_pinconf_cfg_set()  argument
361 			ret = zynqmp_pm_pinctrl_set_config(pin, param, arg);  in zynqmp_pinconf_cfg_set()
366 			ret = zynqmp_pm_pinctrl_set_config(pin, param, arg);  in zynqmp_pinconf_cfg_set()
371 			ret = zynqmp_pm_pinctrl_set_config(pin, param, arg);  in zynqmp_pinconf_cfg_set()
376 			ret = zynqmp_pm_pinctrl_set_config(pin, param, arg);  in zynqmp_pinconf_cfg_set()
380 			ret = zynqmp_pm_pinctrl_set_config(pin, param, arg);  in zynqmp_pinconf_cfg_set()
399 					 "Invalid drive strength for pin %d\n",  in zynqmp_pinconf_cfg_set()
400 					 pin);  in zynqmp_pinconf_cfg_set()
405 			ret = zynqmp_pm_pinctrl_set_config(pin, param, value);  in zynqmp_pinconf_cfg_set()
409 			ret = zynqmp_pm_pinctrl_get_config(pin, param, &value);  in zynqmp_pinconf_cfg_set()
413 					 "Invalid IO Standard requested for pin %d\n",  in zynqmp_pinconf_cfg_set()
414 					 pin);  in zynqmp_pinconf_cfg_set()
420 			ret = zynqmp_pm_pinctrl_set_config(pin, param, arg);  in zynqmp_pinconf_cfg_set()
433 			ret = zynqmp_pm_pinctrl_set_config(pin, param, arg);  in zynqmp_pinconf_cfg_set()
447 				 "failed to set: pin %u param %u value %u\n",  in zynqmp_pinconf_cfg_set()
448 				 pin, param, arg);  in zynqmp_pinconf_cfg_set()
461  * Call function to set configs for each pin in the group.
636 static int zynqmp_pinctrl_get_pin_groups(u32 pin, u32 index, u16 *groups)  in zynqmp_pinctrl_get_pin_groups()  argument
643 	qdata.arg1 = pin;  in zynqmp_pinctrl_get_pin_groups()
656 					 unsigned int pin)  in zynqmp_pinctrl_group_add_pin()  argument
658 	group->pins[group->npins++] = pin;  in zynqmp_pinctrl_group_add_pin()
665  * @pin:	Pin number.
667  * Query firmware to get groups available for the given pin.
668  * Based on the firmware response(group IDs for the pin), add
669  * pin number to the respective group's pin array.
672  * of pins and pin numbers data.
678 					    unsigned int pin)  in zynqmp_pinctrl_create_pin_groups()  argument
684 		ret = zynqmp_pinctrl_get_pin_groups(pin, index, resp);  in zynqmp_pinctrl_create_pin_groups()
695 			zynqmp_pinctrl_group_add_pin(&groups[resp[i]], pin);  in zynqmp_pinctrl_create_pin_groups()
704  * zynqmp_pinctrl_prepare_group_pins() - prepare each group's pin data
709  * Prepare pin number and number of pins data for each pins.
717 	unsigned int pin;  in zynqmp_pinctrl_prepare_group_pins()  local
720 	for (pin = 0; pin < zynqmp_desc.npins; pin++) {  in zynqmp_pinctrl_prepare_group_pins()
721 		ret = zynqmp_pinctrl_create_pin_groups(dev, groups, pin);  in zynqmp_pinctrl_prepare_group_pins()
732  * @pctrl:	Pin control driver data.
734  * Query firmware for functions, groups and pin information and
735  * prepare pin control driver data.
742  * pins and pin numbers for each group).
810  * zynqmp_pinctrl_prepare_pin_desc() - prepare pin description info
812  * @zynqmp_pins:	Pin information.
815  * Query number of pins information from firmware and prepare pin
816  * description containing pin number and pin name.
825 	struct pinctrl_pin_desc *pins, *pin;  in zynqmp_pinctrl_prepare_pin_desc()  local
838 		pin = &pins[i];  in zynqmp_pinctrl_prepare_pin_desc()
839 		pin->number = i;  in zynqmp_pinctrl_prepare_pin_desc()
840 		pin->name = devm_kasprintf(dev, GFP_KERNEL, "%s%d",  in zynqmp_pinctrl_prepare_pin_desc()
842 		if (!pin->name)  in zynqmp_pinctrl_prepare_pin_desc()
864 		dev_err(&pdev->dev, "pin desc prepare fail with %d\n", ret);  in zynqmp_pinctrl_probe()
899 MODULE_DESCRIPTION("ZynqMP Pin Controller Driver");