[PATCH v3 3/4] pinctrl: pinctrl_stm32: Populate uc_priv->name[] with pinmux node's name
Patrice Chotard
patrice.chotard at foss.st.com
Tue Aug 30 14:09:13 CEST 2022
Populate uc_priv->name[] with pinmux node's name in order to indicate
the pinmuxing's name in case GPIO is configured in alternate.
For example, for STM32 SoC's based platform, "gpio status" command
output :
before
Bank GPIOZ:
GPIOZ0: unused : 0 [ ]
GPIOZ1: unused : 0 [ ]
GPIOZ2: unused : 0 [ ]
GPIOZ3: unused : 0 [ ]
GPIOZ4: func
GPIOZ5: func
GPIOZ6: unused : 0 [ ]
GPIOZ7: unused : 0 [ ]
GPIOZ8: unknown
GPIOZ9: unknown
GPIOZ10: unknown
GPIOZ11: unknown
GPIOZ12: unknown
GPIOZ13: unknown
GPIOZ14: unknown
GPIOZ15: unknown
After
Bank GPIOZ:
GPIOZ0: unused : 0 [ ]
GPIOZ1: unused : 0 [ ]
GPIOZ2: unused : 0 [ ]
GPIOZ3: unused : 0 [ ]
GPIOZ4: func i2c4-0
GPIOZ5: func i2c4-0
GPIOZ6: unused : 0 [ ]
GPIOZ7: unused : 0 [ ]
GPIOZ8: unknown
GPIOZ9: unknown
GPIOZ10: unknown
GPIOZ11: unknown
GPIOZ12: unknown
GPIOZ13: unknown
GPIOZ14: unknown
GPIOZ15: unknown
Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
---
(no changes since v1)
drivers/pinctrl/pinctrl_stm32.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/pinctrl/pinctrl_stm32.c b/drivers/pinctrl/pinctrl_stm32.c
index 990cd19286..b755fa42b4 100644
--- a/drivers/pinctrl/pinctrl_stm32.c
+++ b/drivers/pinctrl/pinctrl_stm32.c
@@ -257,10 +257,12 @@ static int stm32_pinctrl_probe(struct udevice *dev)
return 0;
}
-static int stm32_gpio_config(struct gpio_desc *desc,
+static int stm32_gpio_config(ofnode node,
+ struct gpio_desc *desc,
const struct stm32_gpio_ctl *ctl)
{
struct stm32_gpio_priv *priv = dev_get_priv(desc->dev);
+ struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(desc->dev);
struct stm32_gpio_regs *regs = priv->regs;
struct stm32_pinctrl_priv *ctrl_priv;
int ret;
@@ -291,6 +293,8 @@ static int stm32_gpio_config(struct gpio_desc *desc,
index = desc->offset;
clrsetbits_le32(®s->otyper, OTYPE_MSK << index, ctl->otype << index);
+ uc_priv->name[desc->offset] = strdup(ofnode_get_name(node));
+
hwspinlock_unlock(&ctrl_priv->hws);
return 0;
@@ -385,7 +389,7 @@ static int stm32_pinctrl_config(ofnode node)
if (rv)
return rv;
desc.offset = gpio_dsc.pin;
- rv = stm32_gpio_config(&desc, &gpio_ctl);
+ rv = stm32_gpio_config(node, &desc, &gpio_ctl);
log_debug("rv = %d\n\n", rv);
if (rv)
return rv;
--
2.25.1
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