diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl_stm32.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl_stm32.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/pinctrl/pinctrl_stm32.c b/drivers/pinctrl/pinctrl_stm32.c index b755fa42b4f..b06da50b2cd 100644 --- a/drivers/pinctrl/pinctrl_stm32.c +++ b/drivers/pinctrl/pinctrl_stm32.c @@ -61,6 +61,13 @@ static const char * const pinmux_otype[] = { [STM32_GPIO_OTYPE_OD] = "open-drain", }; +static const char * const pinmux_speed[] = { + [STM32_GPIO_SPEED_2M] = "Low speed", + [STM32_GPIO_SPEED_25M] = "Medium speed", + [STM32_GPIO_SPEED_50M] = "High speed", + [STM32_GPIO_SPEED_100M] = "Very-high speed", +}; + static int stm32_pinctrl_get_af(struct udevice *dev, unsigned int offset) { struct stm32_gpio_priv *priv = dev_get_priv(dev); @@ -201,6 +208,7 @@ static int stm32_pinctrl_get_pin_muxing(struct udevice *dev, int af_num; unsigned int gpio_idx; u32 pupd, otype; + u8 speed; /* look up for the bank which owns the requested pin */ gpio_dev = stm32_pinctrl_get_gpio_dev(dev, selector, &gpio_idx); @@ -214,6 +222,7 @@ static int stm32_pinctrl_get_pin_muxing(struct udevice *dev, priv = dev_get_priv(gpio_dev); pupd = (readl(&priv->regs->pupdr) >> (gpio_idx * 2)) & PUPD_MASK; otype = (readl(&priv->regs->otyper) >> gpio_idx) & OTYPE_MSK; + speed = (readl(&priv->regs->ospeedr) >> gpio_idx * 2) & OSPEED_MASK; switch (mode) { case GPIOF_UNKNOWN: @@ -222,13 +231,15 @@ static int stm32_pinctrl_get_pin_muxing(struct udevice *dev, break; case GPIOF_FUNC: af_num = stm32_pinctrl_get_af(gpio_dev, gpio_idx); - snprintf(buf, size, "%s %d %s %s", pinmux_mode[mode], af_num, - pinmux_otype[otype], pinmux_bias[pupd]); + snprintf(buf, size, "%s %d %s %s %s", pinmux_mode[mode], af_num, + pinmux_otype[otype], pinmux_bias[pupd], + pinmux_speed[speed]); break; case GPIOF_OUTPUT: - snprintf(buf, size, "%s %s %s %s", + snprintf(buf, size, "%s %s %s %s %s", pinmux_mode[mode], pinmux_otype[otype], - pinmux_bias[pupd], label ? label : ""); + pinmux_bias[pupd], label ? label : "", + pinmux_speed[speed]); break; case GPIOF_INPUT: snprintf(buf, size, "%s %s %s", pinmux_mode[mode], |