On Mon, Jan 24, 2022 at 5:50 PM Fabio Estevam <feste...@gmail.com> wrote: > > [Adding the NXP folks to help reviewing it]
Sorry, added the NXP Linux folks instead of the NXP U-Boot folks. > > On Mon, Jan 24, 2022 at 5:46 PM Christoph Fritz > <chf.fr...@googlemail.com> wrote: > > > > Add support for reading GPIO pin value when function is output. > > With this patch applied, gpio toggle command is working. > > > > Signed-off-by: Christoph Fritz <chf.fr...@googlemail.com> > > --- > > drivers/gpio/imx_rgpio2p.c | 14 +++++++++++++- > > 1 file changed, 13 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/gpio/imx_rgpio2p.c b/drivers/gpio/imx_rgpio2p.c > > index 0e2874ca95c..175e460aff5 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) > > -- > > 2.30.2 > > > > > >