pinctrl/nuvoton/pinctrl-npcm7xx.c

1849 static int npcm7xx_gpio_of(struct npcm7xx_pinctrl *pctrl)
1853 	struct device *dev = pctrl->dev;
1867 		pctrl->gpio_bank[id].base = ioremap(res.start, resource_size(&res));
1868 		if (!pctrl->gpio_bank[id].base)
1871 		ret = bgpio_init(&pctrl->gpio_bank[id].gc, dev, 4,
1872 				 pctrl->gpio_bank[id].base + NPCM7XX_GP_N_DIN,
1873 				 pctrl->gpio_bank[id].base + NPCM7XX_GP_N_DOUT,
1876 				 pctrl->gpio_bank[id].base + NPCM7XX_GP_N_IEM,
1894 		pctrl->gpio_bank[id].irq = ret;
1895 		pctrl->gpio_bank[id].irqbase = id * NPCM7XX_GPIO_PER_BANK;
1896 		pctrl->gpio_bank[id].pinctrl_id = args.args[0];
1897 		pctrl->gpio_bank[id].gc.base = args.args[1];
1898 		pctrl->gpio_bank[id].gc.ngpio = args.args[2];
1899 		pctrl->gpio_bank[id].gc.owner = THIS_MODULE;
1900 		pctrl->gpio_bank[id].gc.parent = dev;
1901 		pctrl->gpio_bank[id].gc.fwnode = child;
1902 		pctrl->gpio_bank[id].gc.label = devm_kasprintf(dev, GFP_KERNEL, "%pfw", child);
1903 		if (pctrl->gpio_bank[id].gc.label == NULL)
1906 		pctrl->gpio_bank[id].gc.dbg_show = npcmgpio_dbg_show;
1907 		pctrl->gpio_bank[id].direction_input = pctrl->gpio_bank[id].gc.direction_input;
1908 		pctrl->gpio_bank[id].gc.direction_input = npcmgpio_direction_input;
1909 		pctrl->gpio_bank[id].direction_output = pctrl->gpio_bank[id].gc.direction_output;
1910 		pctrl->gpio_bank[id].gc.direction_output = npcmgpio_direction_output;
1911 		pctrl->gpio_bank[id].request = pctrl->gpio_bank[id].gc.request;
1912 		pctrl->gpio_bank[id].gc.request = npcmgpio_gpio_request;
1913 		pctrl->gpio_bank[id].gc.free = pinctrl_gpio_free;
1917 	pctrl->bank_num = id;
1921 static int npcm7xx_gpio_register(struct npcm7xx_pinctrl *pctrl)
1925 	for (id = 0 ; id < pctrl->bank_num ; id++) {
1928 		girq = &pctrl->gpio_bank[id].gc.irq;
1932 		girq->parents = devm_kcalloc(pctrl->dev, 1,
1939 		girq->parents[0] = pctrl->gpio_bank[id].irq;
1942 		ret = devm_gpiochip_add_data(pctrl->dev,
1943 					     &pctrl->gpio_bank[id].gc,
1944 					     &pctrl->gpio_bank[id]);
1946 			dev_err(pctrl->dev, "Failed to add GPIO chip %u\n", id);
1950 		ret = gpiochip_add_pin_range(&pctrl->gpio_bank[id].gc,
1951 					     dev_name(pctrl->dev),
1952 					     pctrl->gpio_bank[id].pinctrl_id,
1953 					     pctrl->gpio_bank[id].gc.base,
1954 					     pctrl->gpio_bank[id].gc.ngpio);
1956 			dev_err(pctrl->dev, "Failed to add GPIO bank %u\n", id);
1957 			gpiochip_remove(&pctrl->gpio_bank[id].gc);
1966 		gpiochip_remove(&pctrl->gpio_bank[id - 1].gc);
1973 	struct npcm7xx_pinctrl *pctrl;
1976 	pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL);
1977 	if (!pctrl)
1980 	pctrl->dev = &pdev->dev;
1981 	dev_set_drvdata(&pdev->dev, pctrl);
1983 	pctrl->gcr_regmap =
1985 	if (IS_ERR(pctrl->gcr_regmap)) {
1986 		dev_err(pctrl->dev, "didn't find nuvoton,npcm750-gcr\n");
1987 		return PTR_ERR(pctrl->gcr_regmap);
1990 	ret = npcm7xx_gpio_of(pctrl);
1992 		dev_err(pctrl->dev, "Failed to gpio dt-binding %u\n", ret);
1996 	pctrl->pctldev = devm_pinctrl_register(&pdev->dev,
1997 					       &npcm7xx_pinctrl_desc, pctrl);
1998 	if (IS_ERR(pctrl->pctldev)) {
2000 		return PTR_ERR(pctrl->pctldev);
2003 	ret = npcm7xx_gpio_register(pctrl);
2005 		dev_err(pctrl->dev, "Failed to register gpio %u\n", ret);