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ARM: dts: stm32: enable i2c1 and i2c5 on stm32mp135f-dk.dts

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Enable the two i2c busses i2c1 and i2c5 available on the
stm32mp135f-dk Discovery board.

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
This commit is contained in:
Alain Volmat 2022-07-21 17:29:33 +02:00 committed by Alexandre Torgue
parent 446d5be806
commit f5a0580232
2 changed files with 60 additions and 0 deletions
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34
arch/arm/boot/dts/stm32mp13-pinctrl.dtsi
View File

@ -6,6 +6,40 @@
#include <dt-bindings/pinctrl/stm32-pinfunc.h>
&pinctrl {
i2c1_pins_a: i2c1-0 {
pins {
pinmux = <STM32_PINMUX('D', 12, AF5)>, /* I2C1_SCL */
<STM32_PINMUX('E', 8, AF5)>; /* I2C1_SDA */
bias-disable;
drive-open-drain;
slew-rate = <0>;
};
};
i2c1_sleep_pins_a: i2c1-sleep-0 {
pins {
pinmux = <STM32_PINMUX('D', 12, ANALOG)>, /* I2C1_SCL */
<STM32_PINMUX('E', 8, ANALOG)>; /* I2C1_SDA */
};
};
i2c5_pins_a: i2c5-0 {
pins {
pinmux = <STM32_PINMUX('D', 1, AF4)>, /* I2C5_SCL */
<STM32_PINMUX('H', 6, AF4)>; /* I2C5_SDA */
bias-disable;
drive-open-drain;
slew-rate = <0>;
};
};
i2c5_sleep_pins_a: i2c5-sleep-0 {
pins {
pinmux = <STM32_PINMUX('D', 1, ANALOG)>, /* I2C5_SCL */
<STM32_PINMUX('H', 6, ANALOG)>; /* I2C5_SDA */
};
};
sdmmc1_b4_pins_a: sdmmc1-b4-0 {
pins {
pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */

26
arch/arm/boot/dts/stm32mp135f-dk.dts
View File

@ -68,6 +68,32 @@ vdd_sd: vdd-sd {
};
};
&i2c1 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&i2c1_pins_a>;
pinctrl-1 = <&i2c1_sleep_pins_a>;
i2c-scl-rising-time-ns = <96>;
i2c-scl-falling-time-ns = <3>;
clock-frequency = <1000000>;
status = "okay";
/* spare dmas for other usage */
/delete-property/dmas;
/delete-property/dma-names;
};
&i2c5 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&i2c5_pins_a>;
pinctrl-1 = <&i2c5_sleep_pins_a>;
i2c-scl-rising-time-ns = <170>;
i2c-scl-falling-time-ns = <5>;
clock-frequency = <400000>;
status = "okay";
/* spare dmas for other usage */
/delete-property/dmas;
/delete-property/dma-names;
};
&iwdg2 {
timeout-sec = <32>;
status = "okay";