diff options
Diffstat (limited to 'drivers/pinctrl/tegra/pinctrl-tegra.c')
| -rw-r--r-- | drivers/pinctrl/tegra/pinctrl-tegra.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/pinctrl/tegra/pinctrl-tegra.c b/drivers/pinctrl/tegra/pinctrl-tegra.c index 3f7fce9075ab..053d62016e5a 100644 --- a/drivers/pinctrl/tegra/pinctrl-tegra.c +++ b/drivers/pinctrl/tegra/pinctrl-tegra.c @@ -625,6 +625,22 @@ static struct pinctrl_desc tegra_pinctrl_desc = { .owner = THIS_MODULE, }; +static void tegra_pinctrl_clear_parked_bits(struct tegra_pmx *pmx) +{ + int i = 0; + const struct tegra_pingroup *g; + u32 val; + + for (i = 0; i < pmx->soc->ngroups; ++i) { + if (pmx->soc->groups[i].parked_reg >= 0) { + g = &pmx->soc->groups[i]; + val = pmx_readl(pmx, g->parked_bank, g->parked_reg); + val &= ~(1 << g->parked_bit); + pmx_writel(pmx, val, g->parked_bank, g->parked_reg); + } + } +} + static bool gpio_node_has_range(void) { struct device_node *np; @@ -725,6 +741,8 @@ int tegra_pinctrl_probe(struct platform_device *pdev, return PTR_ERR(pmx->pctl); } + tegra_pinctrl_clear_parked_bits(pmx); + if (!gpio_node_has_range()) pinctrl_add_gpio_range(pmx->pctl, &tegra_pinctrl_gpio_range); |