diff options
Diffstat (limited to 'drivers/gpio/imx_rgpio2p.c')
| -rw-r--r-- | drivers/gpio/imx_rgpio2p.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpio/imx_rgpio2p.c b/drivers/gpio/imx_rgpio2p.c index 0e2874c..175e460 100644 --- a/drivers/gpio/imx_rgpio2p.c +++ b/drivers/gpio/imx_rgpio2p.c @@ -39,6 +39,14 @@ static int imx_rgpio2p_is_output(struct gpio_regs *regs, int offset) return val & (1 << offset) ? 1 : 0; } +static int imx_rgpio2p_bank_get_direction(struct gpio_regs *regs, int offset) +{ + if ((readl(®s->gpio_pddr) >> offset) & 0x01) + return IMX_RGPIO2P_DIRECTION_OUT; + + return IMX_RGPIO2P_DIRECTION_IN; +} + static void imx_rgpio2p_bank_direction(struct gpio_regs *regs, int offset, enum imx_rgpio2p_direction direction) { @@ -67,7 +75,11 @@ static void imx_rgpio2p_bank_set_value(struct gpio_regs *regs, int offset, static int imx_rgpio2p_bank_get_value(struct gpio_regs *regs, int offset) { - return (readl(®s->gpio_pdir) >> offset) & 0x01; + if (imx_rgpio2p_bank_get_direction(regs, offset) == + IMX_RGPIO2P_DIRECTION_IN) + return (readl(®s->gpio_pdir) >> offset) & 0x01; + + return (readl(®s->gpio_pdor) >> offset) & 0x01; } static int imx_rgpio2p_direction_input(struct udevice *dev, unsigned offset) |