Add information on pin configuration used for pinmux command.
Signed-off-by: Patrick Delaunay <patrick.delau...@st.com>
---
drivers/pinctrl/pinctrl-stmfx.c | 35 ++++++++++++++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/pinctrl-stmfx.c b/drivers/pinctrl/pinctrl-stmfx.c
index 0b5a0433cd..0cd371fefa 100644
--- a/drivers/pinctrl/pinctrl-stmfx.c
+++ b/drivers/pinctrl/pinctrl-stmfx.c
@@ -286,6 +286,37 @@ static const char *stmfx_pinctrl_get_pin_name(struct
udevice *dev,
return pin_name;
}
+static const char *stmfx_pinctrl_get_pin_conf(struct udevice *dev,
+ unsigned int pin, int func)
+{
+ int pupd, type;
+ u32 mask = get_mask(pin);
+
+ type = stmfx_read(dev, STMFX_REG_GPIO_TYPE + get_reg(pin));
+ if (type < 0)
+ return "";
+ type &= mask;
+
+ if (func == GPIOF_INPUT) {
+ if (type)
+ return "drive-open-drain";
+ else
+ return "drive-push-pull";
+ }
+ if (!type)
+ return "bias-disable";
+
+ pupd = stmfx_read(dev, STMFX_REG_GPIO_PUPD + get_reg(pin));
+ if (pupd < 0)
+ return "";
+ pupd &= mask;
+
+ if (pupd)
+ return "bias-pull-up";
+ else
+ return "bias-pull-down";
+}
+
static int stmfx_pinctrl_get_pin_muxing(struct udevice *dev,
unsigned int selector,
char *buf, int size)
@@ -297,7 +328,9 @@ static int stmfx_pinctrl_get_pin_muxing(struct udevice *dev,
if (func < 0)
return func;
- snprintf(buf, size, "%s", func == GPIOF_INPUT ? "input" : "output");
+ snprintf(buf, size, "%s ", func == GPIOF_INPUT ? "input" : "output");
+
+ strncat(buf, stmfx_pinctrl_get_pin_conf(dev, selector, func), size);
return 0;
}
--
2.17.1
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