diff options
| author | Alain Volmat <[email protected]> | 2022-07-21 17:29:33 +0200 |
|---|---|---|
| committer | Alexandre Torgue <[email protected]> | 2022-09-12 15:19:12 +0200 |
| commit | f5a058023239374031644f1e6db9bf8b7b40895a (patch) | |
| tree | 826680e0c14ebb04d614d4b8677c59077b42d2aa | |
| parent | 446d5be806541e69cd9548407ce6976861d0b855 (diff) | |
ARM: dts: stm32: enable i2c1 and i2c5 on stm32mp135f-dk.dts
Enable the two i2c busses i2c1 and i2c5 available on the
stm32mp135f-dk Discovery board.
Signed-off-by: Alain Volmat <[email protected]>
Signed-off-by: Alexandre Torgue <[email protected]>
| -rw-r--r-- | arch/arm/boot/dts/stm32mp13-pinctrl.dtsi | 34 | ||||
| -rw-r--r-- | arch/arm/boot/dts/stm32mp135f-dk.dts | 26 |
2 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi index d2472cd8f1d0..749078ba9d42 100644 --- a/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32mp13-pinctrl.dtsi @@ -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 */ diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts index e6b8ffd332c7..3e2823332d51 100644 --- a/arch/arm/boot/dts/stm32mp135f-dk.dts +++ b/arch/arm/boot/dts/stm32mp135f-dk.dts @@ -68,6 +68,32 @@ }; }; +&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"; |