static int sh_pfc_probe(struct platform_device *pdev)
{
const struct platform_device_id *platid = platform_get_device_id(pdev);
#ifdef CONFIG_OF
struct device_node *np = pdev->dev.of_node;
#endif
const struct sh_pfc_soc_info *info;
struct sh_pfc *pfc;
int ret;
#ifdef CONFIG_OF
if (np)
info = of_device_get_match_data(&pdev->dev);
else
#endif
info = platid ? (const void *)platid->driver_data : NULL;
if (info == NULL)
return -ENODEV;
pfc = devm_kzalloc(&pdev->dev, sizeof(*pfc), GFP_KERNEL);
if (pfc == NULL)
return -ENOMEM;
pfc->info = info;
pfc->dev = &pdev->dev;
ret = sh_pfc_map_resources(pfc, pdev);
if (unlikely(ret < 0))
return ret;
spin_lock_init(&pfc->lock);
if (info->ops && info->ops->init) {
ret = info->ops->init(pfc);
if (ret < 0)
return ret;
}
/* Enable dummy states for those platforms without pinctrl support */
if (!of_have_populated_dt())
pinctrl_provide_dummies();
ret = sh_pfc_init_ranges(pfc);
if (ret < 0)
return ret;
/*
* Initialize pinctrl bindings first
*/
ret = sh_pfc_register_pinctrl(pfc);
if (unlikely(ret != 0))
return ret;
#ifdef CONFIG_PINCTRL_SH_PFC_GPIO
/*
* Then the GPIO chip
*/
ret = sh_pfc_register_gpiochip(pfc);
if (unlikely(ret != 0)) {
/*
* If the GPIO chip fails to come up we still leave the
* PFC state as it is, given that there are already
* extant users of it that have succeeded by this point.
*/
dev_notice(pfc->dev, "failed to init GPIO chip, ignoring...\n");
}
#endif
platform_set_drvdata(pdev, pfc);
dev_info(pfc->dev, "%s support registered\n", info->name);
return 0;
}
static int sh_pfc_pinctrl_probe(struct udevice *dev)
{
struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
enum sh_pfc_model model = dev_get_driver_data(dev);
fdt_addr_t base;
base = devfdt_get_addr(dev);
if (base == FDT_ADDR_T_NONE)
return -EINVAL;
priv->pfc.regs = devm_ioremap(dev, base, SZ_2K);
if (!priv->pfc.regs)
return -ENOMEM;
#ifdef CONFIG_PINCTRL_PFC_R8A7790
if (model == SH_PFC_R8A7790)
priv->pfc.info = &r8a7790_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A7791
if (model == SH_PFC_R8A7791)
priv->pfc.info = &r8a7791_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A7792
if (model == SH_PFC_R8A7792)
priv->pfc.info = &r8a7792_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A7793
if (model == SH_PFC_R8A7793)
priv->pfc.info = &r8a7793_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A7794
if (model == SH_PFC_R8A7794)
priv->pfc.info = &r8a7794_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A7795
if (model == SH_PFC_R8A7795)
priv->pfc.info = &r8a7795_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A7796
if (model == SH_PFC_R8A7796)
priv->pfc.info = &r8a7796_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A77970
if (model == SH_PFC_R8A77970)
priv->pfc.info = &r8a77970_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A77990
if (model == SH_PFC_R8A77990)
priv->pfc.info = &r8a77990_pinmux_info;
#endif
#ifdef CONFIG_PINCTRL_PFC_R8A77995
if (model == SH_PFC_R8A77995)
priv->pfc.info = &r8a77995_pinmux_info;
#endif
priv->pmx.pfc = &priv->pfc;
sh_pfc_init_ranges(&priv->pfc);
sh_pfc_map_pins(&priv->pfc, &priv->pmx);
return 0;
}
