[PATCH v1 4/7] i2c: stm32f7: support DT binding i2c-analog-filter
Patrice CHOTARD
patrice.chotard at foss.st.com
Thu Aug 19 13:47:22 CEST 2021
Hi Patrick
On 8/3/21 12:05 PM, Patrice Chotard wrote:
> From: Patrick Delaunay <patrick.delaunay at foss.st.com>
>
> Replace driver internally coded enabling/disabling of the
> analog-filter with the DT binding "i2c-analog-filter".
>
> Signed-off-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
> ---
>
> drivers/i2c/stm32f7_i2c.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/i2c/stm32f7_i2c.c b/drivers/i2c/stm32f7_i2c.c
> index b449084b5f..e71a0e0aa3 100644
> --- a/drivers/i2c/stm32f7_i2c.c
> +++ b/drivers/i2c/stm32f7_i2c.c
> @@ -108,7 +108,6 @@ struct stm32_i2c_regs {
> #define STM32_I2C_DNF_DEFAULT 0
> #define STM32_I2C_DNF_MAX 16
>
> -#define STM32_I2C_ANALOG_FILTER_ENABLE 1
> #define STM32_I2C_ANALOG_FILTER_DELAY_MIN 50 /* ns */
> #define STM32_I2C_ANALOG_FILTER_DELAY_MAX 260 /* ns */
>
> @@ -919,7 +918,7 @@ static int stm32_of_to_plat(struct udevice *dev)
> STM32_I2C_FALL_TIME_DEFAULT);
>
> i2c_priv->setup.dnf = STM32_I2C_DNF_DEFAULT;
> - i2c_priv->setup.analog_filter = STM32_I2C_ANALOG_FILTER_ENABLE;
> + i2c_priv->setup.analog_filter = dev_read_bool(dev, "i2c-analog-filter");
>
> /* Optional */
> i2c_priv->regmap = syscon_regmap_lookup_by_phandle(dev,
>
Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>
Thanks
Patrice
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