| Message ID | 20220318035420.15058-4-samuel@sholland.org |
|---|---|
| State | Accepted |
| Commit | d4b388244abfb7580a00967147fc5e45baf2f41f |
| Delegated to: | Andre Przywara |
| Headers | show |
| Series | sunxi: Add and use a pinctrl driver | expand |
On Thu, 17 Mar 2022 22:54:00 -0500 Samuel Holland <samuel@sholland.org> wrote: > The pinmux command uses this function to display pinmux status. > > Since the driver cannot map pin numbers to a list of supported > functions, only functions which are common across all pins can be > reported by name. > > Signed-off-by: Samuel Holland <samuel@sholland.org> I can surely live with that drawback: Reviewed-by: Andre Przywara <andre.przywara@arm.com> Cheers, Andre > --- > > (no changes since v1) > > drivers/pinctrl/sunxi/pinctrl-sunxi.c | 27 +++++++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > > diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c > index 6ea8245c8e..4e453cec54 100644 > --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c > +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c > @@ -82,6 +82,32 @@ static int sunxi_pinctrl_pinmux_set(struct udevice *dev, uint pin_selector, > return 0; > } > > +static int sunxi_pinctrl_get_pin_muxing(struct udevice *dev, uint pin_selector, > + char *buf, int size) > +{ > + struct sunxi_pinctrl_plat *plat = dev_get_plat(dev); > + int bank = pin_selector / SUNXI_GPIOS_PER_BANK; > + int pin = pin_selector % SUNXI_GPIOS_PER_BANK; > + int mux = sunxi_gpio_get_cfgbank(plat->base + bank, pin); > + > + switch (mux) { > + case SUNXI_GPIO_INPUT: > + strlcpy(buf, "gpio input", size); > + break; > + case SUNXI_GPIO_OUTPUT: > + strlcpy(buf, "gpio output", size); > + break; > + case SUNXI_GPIO_DISABLE: > + strlcpy(buf, "disabled", size); > + break; > + default: > + snprintf(buf, size, "function %d", mux); > + break; > + } > + > + return 0; > +} > + > static const struct pinctrl_ops sunxi_pinctrl_ops = { > .get_pins_count = sunxi_pinctrl_get_pins_count, > .get_pin_name = sunxi_pinctrl_get_pin_name, > @@ -89,6 +115,7 @@ static const struct pinctrl_ops sunxi_pinctrl_ops = { > .get_function_name = sunxi_pinctrl_get_function_name, > .pinmux_set = sunxi_pinctrl_pinmux_set, > .set_state = pinctrl_generic_set_state, > + .get_pin_muxing = sunxi_pinctrl_get_pin_muxing, > }; > > static int sunxi_pinctrl_bind(struct udevice *dev)
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index 6ea8245c8e..4e453cec54 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c @@ -82,6 +82,32 @@ static int sunxi_pinctrl_pinmux_set(struct udevice *dev, uint pin_selector, return 0; } +static int sunxi_pinctrl_get_pin_muxing(struct udevice *dev, uint pin_selector, + char *buf, int size) +{ + struct sunxi_pinctrl_plat *plat = dev_get_plat(dev); + int bank = pin_selector / SUNXI_GPIOS_PER_BANK; + int pin = pin_selector % SUNXI_GPIOS_PER_BANK; + int mux = sunxi_gpio_get_cfgbank(plat->base + bank, pin); + + switch (mux) { + case SUNXI_GPIO_INPUT: + strlcpy(buf, "gpio input", size); + break; + case SUNXI_GPIO_OUTPUT: + strlcpy(buf, "gpio output", size); + break; + case SUNXI_GPIO_DISABLE: + strlcpy(buf, "disabled", size); + break; + default: + snprintf(buf, size, "function %d", mux); + break; + } + + return 0; +} + static const struct pinctrl_ops sunxi_pinctrl_ops = { .get_pins_count = sunxi_pinctrl_get_pins_count, .get_pin_name = sunxi_pinctrl_get_pin_name, @@ -89,6 +115,7 @@ static const struct pinctrl_ops sunxi_pinctrl_ops = { .get_function_name = sunxi_pinctrl_get_function_name, .pinmux_set = sunxi_pinctrl_pinmux_set, .set_state = pinctrl_generic_set_state, + .get_pin_muxing = sunxi_pinctrl_get_pin_muxing, }; static int sunxi_pinctrl_bind(struct udevice *dev)
The pinmux command uses this function to display pinmux status. Since the driver cannot map pin numbers to a list of supported functions, only functions which are common across all pins can be reported by name. Signed-off-by: Samuel Holland <samuel@sholland.org> --- (no changes since v1) drivers/pinctrl/sunxi/pinctrl-sunxi.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+)