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drivers: i2c: Add STM32G4X I2C support

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Add I2C driver support for STM32G4X SoC series.

Signed-off-by: Richard Osterloh <richard.osterloh@gmail.com>
This commit is contained in:
Richard Osterloh 2019-09-04 09:44:35 +01:00 • committed by Andrew Boie
commit 4ce35300c8
5 changed files with 83 additions and 2 deletions
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40
dts/arm/st/g4/stm32g4.dtsi
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@ -7,6 +7,7 @@
#include <arm/armv7-m.dtsi>
#include <dt-bindings/clock/stm32_clock.h>
#include <dt-bindings/i2c/i2c.h>
#include <dt-bindings/gpio/gpio.h>
/ {
@ -166,6 +167,45 @@
label = "LPUART_1";
};
i2c1: i2c@40005400 {
compatible = "st,stm32-i2c-v2";
clock-frequency = <I2C_BITRATE_STANDARD>;
#address-cells = <1>;
#size-cells = <0>;
reg = <0x40005400 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00200000>;
interrupts = <31 0>, <32 0>;
interrupt-names = "event", "error";
status = "disabled";
label= "I2C_1";
};
i2c2: i2c@40005800 {
compatible = "st,stm32-i2c-v2";
clock-frequency = <I2C_BITRATE_STANDARD>;
#address-cells = <1>;
#size-cells = <0>;
reg = <0x40005800 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00400000>;
interrupts = <33 0>, <34 0>;
interrupt-names = "event", "error";
status = "disabled";
label= "I2C_2";
};
i2c3: i2c@40007800 {
compatible = "st,stm32-i2c-v2";
clock-frequency = <I2C_BITRATE_STANDARD>;
#address-cells = <1>;
#size-cells = <0>;
reg = <0x40007800 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x40000000>;
interrupts = <92 0>, <93 0>;
interrupt-names = "event", "error";
status = "disabled";
label= "I2C_3";
};
};
};