5  * Copyright (C) 2009-2011 ST-Ericsson AB
11  * are connected to different pins in different packaging types, so it would
165 #define DRIVER_NAME "pinmux-u300"
543 	PINCTRL_PIN(356, "PO EMIF 0 SD CAS N"),
552 	PINCTRL_PIN(365, "PO EMIF 0 SD RAS N"),
657  * @dev: a pointer back to containing device
658  * @virtbase: the offset to the controller in virtual memory
669  * u300_pmx_registers - the array of registers read/written for each pinmux
681  * struct u300_pin_group - describes a U300 pin group
684  *	from the driver-local pin enumeration space
695  * struct pmx_onmask - mask bits to enable/disable padmux
696  * @mask: mask bits to disable
697  * @val: mask bits to enable
747 	 * This connects the SDRAM to CS2 and a NAND flash to
839 		return -EINVAL;  in u300_list_groups()
856 		return -EINVAL;  in u300_get_group_pins()
880  * struct u300_pmx_func - describes U300 pinmux functions
883  * @onmask: bits to set to enable this when doing pin muxing
948 			val = upmx_mask->bits;  in u300_pmx_endisable()
952 		mask = upmx_mask->mask;  in u300_pmx_endisable()
954 			regval = readw(upmx->virtbase + u300_pmx_registers[i]);  in u300_pmx_endisable()
957 			writew(regval, upmx->virtbase + u300_pmx_registers[i]);  in u300_pmx_endisable()
968 	/* There is nothing to do with the power pins */  in u300_pmx_enable()
983 	/* There is nothing to do with the power pins */  in u300_pmx_disable()
994 		return -EINVAL;  in u300_pmx_list_funcs()
1022  * GPIO ranges handled by the application-side COH901XXX GPIO controller
1024  * that are useful in practice to cut down on tables.
1064 	upmx = devm_kzalloc(&pdev->dev, sizeof(*upmx), GFP_KERNEL);  in u300_pmx_probe()
1066 		return -ENOMEM;  in u300_pmx_probe()
1068 	upmx->dev = &pdev->dev;  in u300_pmx_probe()
1072 		ret = -ENOENT;  in u300_pmx_probe()
1075 	upmx->phybase = res->start;  in u300_pmx_probe()
1076 	upmx->physize = resource_size(res);  in u300_pmx_probe()
1078 	if (request_mem_region(upmx->phybase, upmx->physize,  in u300_pmx_probe()
1080 		ret = -ENOMEM;  in u300_pmx_probe()
1084 	upmx->virtbase = ioremap(upmx->phybase, upmx->physize);  in u300_pmx_probe()
1085 	if (!upmx->virtbase) {  in u300_pmx_probe()
1086 		ret = -ENOMEM;  in u300_pmx_probe()
1090 	upmx->pctl = pinctrl_register(&u300_pmx_desc, &pdev->dev, upmx);  in u300_pmx_probe()
1091 	if (!upmx->pctl) {  in u300_pmx_probe()
1092 		dev_err(&pdev->dev, "could not register U300 pinmux driver\n");  in u300_pmx_probe()
1093 		ret = -EINVAL;  in u300_pmx_probe()
1099 		pinctrl_add_gpio_range(upmx->pctl, &u300_gpio_ranges[i]);  in u300_pmx_probe()
1103 	dev_info(&pdev->dev, "initialized U300 pinmux driver\n");  in u300_pmx_probe()
1108 	iounmap(upmx->virtbase);  in u300_pmx_probe()
1112 	release_mem_region(upmx->phybase, upmx->physize);  in u300_pmx_probe()
1114 	devm_kfree(&pdev->dev, upmx);  in u300_pmx_probe()
1124 		pinctrl_remove_gpio_range(upmx->pctl, &u300_gpio_ranges[i]);  in u300_pmx_remove()
1125 	pinctrl_unregister(upmx->pctl);  in u300_pmx_remove()
1126 	iounmap(upmx->virtbase);  in u300_pmx_remove()
1127 	release_mem_region(upmx->phybase, upmx->physize);  in u300_pmx_remove()
1129 	devm_kfree(&pdev->dev, upmx);  in u300_pmx_remove()