3  * ZynqMP pin controller
45  * @name:	Name of the pin mux function
46  * @groups:	List of pin groups for this function
50  * This structure holds information about pin control function
61  * @pctrl:	Pin control device
62  * @groups:	Pin groups
64  * @funcs:	Pin mux functions
68  * information regarding pin control functions, groups and
80  * struct zynqmp_pctrl_group - Pin control group info
82  * @pins:	Group pin numbers
130 				     unsigned int pin)  in zynqmp_pinmux_request_pin()  argument
134 	ret = zynqmp_pm_pinctrl_request(pin);  in zynqmp_pinmux_request_pin()
136 		dev_err(pctldev->dev, "request failed for pin %u\n", pin);  in zynqmp_pinmux_request_pin()
200 		unsigned int pin = pgrp->pins[i];  in zynqmp_pinmux_set_mux()  local
202 		ret = zynqmp_pm_pinctrl_set_function(pin, function);  in zynqmp_pinmux_set_mux()
204 			dev_err(pctldev->dev, "set mux failed for pin %u\n",  in zynqmp_pinmux_set_mux()
205 				pin);  in zynqmp_pinmux_set_mux()
214 				     unsigned int pin)  in zynqmp_pinmux_release_pin()  argument
218 	ret = zynqmp_pm_pinctrl_release(pin);  in zynqmp_pinmux_release_pin()
220 		dev_err(pctldev->dev, "free pin failed for pin %u\n",  in zynqmp_pinmux_release_pin()
221 			pin);  in zynqmp_pinmux_release_pin()
238  * zynqmp_pinconf_cfg_get() - get config value for the pin
239  * @pctldev:	Pin control device pointer.
240  * @pin:	Pin number.
244  * given pin.
249 				  unsigned int pin,  in zynqmp_pinconf_cfg_get()  argument
258 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
262 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
270 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
278 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
286 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
290 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
294 		ret = zynqmp_pm_pinctrl_get_config(pin, param, &arg);  in zynqmp_pinconf_cfg_get()
311 				 "Invalid drive strength for pin %d\n",  in zynqmp_pinconf_cfg_get()
312 				 pin);  in zynqmp_pinconf_cfg_get()
331  * zynqmp_pinconf_cfg_set() - Set requested config for the pin
333  * @pin:		Pin number.
338  * to set requested configurations for the pin.
343 				  unsigned int pin, unsigned long *configs,  in zynqmp_pinconf_cfg_set()  argument
356 			ret = zynqmp_pm_pinctrl_set_config(pin, param, arg);  in zynqmp_pinconf_cfg_set()
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()
375 			ret = zynqmp_pm_pinctrl_set_config(pin, param, arg);  in zynqmp_pinconf_cfg_set()
394 					 "Invalid drive strength for pin %d\n",  in zynqmp_pinconf_cfg_set()
395 					 pin);  in zynqmp_pinconf_cfg_set()
400 			ret = zynqmp_pm_pinctrl_set_config(pin, param, value);  in zynqmp_pinconf_cfg_set()
404 			ret = zynqmp_pm_pinctrl_get_config(pin, param, &value);  in zynqmp_pinconf_cfg_set()
408 					 "Invalid IO Standard requested for pin %d\n",  in zynqmp_pinconf_cfg_set()
409 					 pin);  in zynqmp_pinconf_cfg_set()
433 				 "failed to set: pin %u param %u value %u\n",  in zynqmp_pinconf_cfg_set()
434 				 pin, param, arg);  in zynqmp_pinconf_cfg_set()
447  * Call function to set configs for each pin in the group.
622 static int zynqmp_pinctrl_get_pin_groups(u32 pin, u32 index, u16 *groups)  in zynqmp_pinctrl_get_pin_groups()  argument
629 	qdata.arg1 = pin;  in zynqmp_pinctrl_get_pin_groups()
642 					 unsigned int pin)  in zynqmp_pinctrl_group_add_pin()  argument
644 	group->pins[group->npins++] = pin;  in zynqmp_pinctrl_group_add_pin()
651  * @pin:	Pin number.
653  * Query firmware to get groups available for the given pin.
654  * Based on the firmware response(group IDs for the pin), add
655  * pin number to the respective group's pin array.
658  * of pins and pin numbers data.
664 					    unsigned int pin)  in zynqmp_pinctrl_create_pin_groups()  argument
670 		ret = zynqmp_pinctrl_get_pin_groups(pin, index, resp);  in zynqmp_pinctrl_create_pin_groups()
681 			zynqmp_pinctrl_group_add_pin(&groups[resp[i]], pin);  in zynqmp_pinctrl_create_pin_groups()
690  * zynqmp_pinctrl_prepare_group_pins() - prepare each group's pin data
695  * Prepare pin number and number of pins data for each pins.
703 	unsigned int pin;  in zynqmp_pinctrl_prepare_group_pins()  local
706 	for (pin = 0; pin < zynqmp_desc.npins; pin++) {  in zynqmp_pinctrl_prepare_group_pins()
707 		ret = zynqmp_pinctrl_create_pin_groups(dev, groups, pin);  in zynqmp_pinctrl_prepare_group_pins()
718  * @pctrl:	Pin control driver data.
720  * Query firmware for functions, groups and pin information and
721  * prepare pin control driver data.
728  * pins and pin numbers for each group).
796  * zynqmp_pinctrl_prepare_pin_desc() - prepare pin description info
798  * @zynqmp_pins:	Pin information.
801  * Query number of pins information from firmware and prepare pin
802  * description containing pin number and pin name.
811 	struct pinctrl_pin_desc *pins, *pin;  in zynqmp_pinctrl_prepare_pin_desc()  local
824 		pin = &pins[i];  in zynqmp_pinctrl_prepare_pin_desc()
825 		pin->number = i;  in zynqmp_pinctrl_prepare_pin_desc()
826 		pin->name = devm_kasprintf(dev, GFP_KERNEL, "%s%d",  in zynqmp_pinctrl_prepare_pin_desc()
828 		if (!pin->name)  in zynqmp_pinctrl_prepare_pin_desc()
850 		dev_err(&pdev->dev, "pin desc prepare fail with %d\n", ret);  in zynqmp_pinctrl_probe()
885 MODULE_DESCRIPTION("ZynqMP Pin Controller Driver");