On Mon, 2015-12-28 at 15:09 +0800, Biao Huang wrote:
Add mt2701 support using mediatek common pinctrl driver.
MT2701 have some special pins need an extra setting register
than other ICs, so adding this support to common code.
Signed-off-by: Biao Huang <[email protected]>
Acked-by: Yingjoe Chen <[email protected]>
<...>
+
+static struct platform_driver mtk_pinctrl_driver = {
+ .probe = mt2701_pinctrl_probe,
+ .driver = {
+ .name = "mediatek-mt2701-pinctrl",
+ .owner = THIS_MODULE,
+ .of_match_table = mt2701_pctrl_match,
+ },
+};
+
+static int __init mtk_pinctrl_init(void)
+{
+ return platform_driver_register(&mtk_pinctrl_driver);
+}
+
+arch_initcall(mtk_pinctrl_init);
As discussed in
http://lists.infradead.org/pipermail/linux-mediatek/2015-December/003350.html
we should use subsys_initcall() instead.
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index f307f1d..76279f0 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
<...>
@@ -347,6 +352,7 @@ static int mtk_pconf_parse_conf(struct pinctrl_dev *pctldev,
ret = mtk_pconf_set_pull_select(pctl, pin, true, false, arg);
break;
case PIN_CONFIG_INPUT_ENABLE:
+ mtk_pmx_gpio_set_direction(pctldev, NULL, pin, true);
ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param);
break;
case PIN_CONFIG_OUTPUT:
@@ -354,6 +360,7 @@ static int mtk_pconf_parse_conf(struct pinctrl_dev *pctldev,
ret = mtk_pmx_gpio_set_direction(pctldev, NULL, pin, false);
break;
case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
+ mtk_pmx_gpio_set_direction(pctldev, NULL, pin, true);
ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param);
break;
case PIN_CONFIG_DRIVE_STRENGTH:
This change is not directly related to adding mt2710 support and change
behavior for all MTK pinctrl drivers, please create a separate patch for
this.
