michaelh/zephyr
1
0
Fork 0
Code Releases Activity

drivers: i2c: Add STM32L1X I2C support

Browse source 
Add I2C support for STM32L1X SoC series based on I2C_STM32_V1
driver.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
This commit is contained in:
Manivannan Sadhasivam 2019-01-04 22:05:03 +05:30 • committed by Kumar Gala
commit b31adf2d33
5 changed files with 60 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

27
dts/arm/st/l1/stm32l1.dtsi
View file

@ -8,6 +8,7 @@
#include <arm/armv7-m.dtsi>
#include <dt-bindings/clock/stm32_clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/i2c/i2c.h>
/ {
cpus {
@ -45,6 +46,32 @@
label = "UART_3";
};
i2c1: i2c@40005400 {
compatible = "st,stm32-i2c-v1";
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-v1";
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";
};
usart1: serial@40013800 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40013800 0x400>;