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dts: esp32s3: add i2c support

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Add i2c support for esp32s3

Signed-off-by: Lucas Tamborrino <lucas.tamborrino@espressif.com>
This commit is contained in:
Lucas Tamborrino 2023-01-13 09:48:35 -03:00 committed by Carles Cufí
parent 084ddf9552
commit ca0c46604f
4 changed files with 60 additions and 0 deletions
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20
boards/xtensa/esp32s3_devkitm/esp32s3_devkitm-pinctrl.dtsi
View file

@ -18,4 +18,24 @@
bias-pull-up;
};
};
i2c0_default: i2c0_default {
group1 {
pinmux = <I2C0_SDA_GPIO1>,
<I2C0_SCL_GPIO2>;
bias-pull-up;
drive-open-drain;
output-high;
};
};
i2c1_default: i2c1_default {
group1 {
pinmux = <I2C1_SDA_GPIO4>,
<I2C1_SCL_GPIO5>;
bias-pull-up;
drive-open-drain;
output-high;
};
};
};

16
boards/xtensa/esp32s3_devkitm/esp32s3_devkitm.dts
View file

@ -12,6 +12,10 @@
model = "esp32s3_devkitm";
compatible = "espressif,esp32s3";
aliases {
i2c-0 = &i2c0;
};
chosen {
zephyr,sram = &sram0;
zephyr,console = &uart0;
@ -56,6 +60,18 @@
status = "okay";
};
&i2c0 {
clock-frequency = <I2C_BITRATE_STANDARD>;
pinctrl-0 = <&i2c0_default>;
pinctrl-names = "default";
};
&i2c1 {
clock-frequency = <I2C_BITRATE_STANDARD>;
pinctrl-0 = <&i2c1_default>;
pinctrl-names = "default";
};
&flash0 {
status = "okay";
partitions {

1
boards/xtensa/esp32s3_devkitm/esp32s3_devkitm.yaml
View file

@ -7,6 +7,7 @@ toolchain:
supported:
- gpio
- uart
- i2c
testing:
ignore_tags:
- net

23
dts/xtensa/espressif/esp32s3.dtsi
View file

@ -6,6 +6,7 @@
#include <mem.h>
#include <xtensa/xtensa.dtsi>
#include <zephyr/dt-bindings/gpio/gpio.h>
#include <zephyr/dt-bindings/i2c/i2c.h>
#include <zephyr/dt-bindings/clock/esp32s3_clock.h>
#include <zephyr/dt-bindings/interrupt-controller/esp32s3-xtensa-intmux.h>
#include <dt-bindings/pinctrl/esp32s3-pinctrl.h>
@ -150,5 +151,27 @@
};
};
i2c0: i2c@60013000 {
compatible = "espressif,esp32-i2c";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x60013000 DT_SIZE_K(4)>;
interrupts = <I2C_EXT0_INTR_SOURCE>;
interrupt-parent = <&intc>;
clocks = <&rtc ESP32_I2C0_MODULE>;
status = "disabled";
};
i2c1: i2c@60027000 {
compatible = "espressif,esp32-i2c";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x60027000 DT_SIZE_K(4)>;
interrupts = <I2C_EXT1_INTR_SOURCE>;
interrupt-parent = <&intc>;
clocks = <&rtc ESP32_I2C1_MODULE>;
status = "disabled";
};
};
};