Skip to content

edge: fix psoc-edge I2C clock and expose Wire on the header #38

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
AkshayChandra-IFX merged 2 commits into from
Oct 30, 2026
Merged

edge: fix psoc-edge I2C clock and expose Wire on the header #38

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
d354d46
edge: run psoc-edge I2C buses at 100 kHz
AkshayChandra-IFX Oct 28, 2026
7f7d6ea
edge: route psoc-edge Wire to SCB11 on header P17_2/P17_3
AkshayChandra-IFX Oct 29, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion api_support_tracking.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -193,7 +193,7 @@
| `test_spi_connected2_masterpingpong` | SPI | 🟢 |
| `test_spi_connected2_slavepingpong` | SPI | 🟢 |
| **I2C (Wire)** | | |
| `test_wire_connected1_pingpong` | I2C/Wire | ❌ |
| `test_wire_connected1_pingpong` | I2C/Wire | ✅ |
| `test_wire_connected2_masterpingpong` | I2C/Wire | 🟢 |
| `test_wire_connected2_slavepingpong` | I2C/Wire | 🟢 |
| **CAN** | | |
Expand Down
30 changes: 27 additions & 3 deletions variants/kit_pse84_ai_pse846gps2dbzc4a_m33/kit_pse84_ai_pse846gps2dbzc4a_m33.overlay
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -126,12 +126,12 @@ i2c1: &scb5 {

&peri0_group1_16bit_1 {
status = "okay";
clock-div = <1>;
clock-div = <63>;
};

&peri0_group1_16bit_3 {
status = "okay";
clock-div = <1>;
clock-div = <63>;
};

&p8_0_scb0_i2c_scl {
Expand All @@ -154,6 +154,30 @@ i2c1: &scb5 {
input-enable;
};

/* Wire on header P17_2(SCL)/P17_3(SDA); on-board 4.7k pull-ups only on P17_0/P17_1 - jumper to them or add external */
&scb11 {
compatible = "infineon,i2c";
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
clock-frequency = <100000>;

clocks = <&peri0_group1_16bit_1>;

pinctrl-0 = <&p17_2_scb11_i2c_scl &p17_3_scb11_i2c_sda>;

@IFX-Anusha IFX-Anusha Oct 29, 2026

Copy link
Copy Markdown
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Here you have updated but still variant.h points to the #define SDA 43 /< P8_1 */
#define SCL 42 /< P8_0 */. So that should be changed right?

@AkshayChandra-IFX AkshayChandra-IFX Oct 30, 2026

Copy link
Copy Markdown
Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

yes. thanks to point out. This is missed, i will update it!

pinctrl-names = "default";
};

&p17_2_scb11_i2c_scl {
drive-open-drain;
input-enable;
};

&p17_3_scb11_i2c_sda {
drive-open-drain;
input-enable;
};

/* ------------------------------------------------------------------ */
/* UART1 bus - SCB1 on P9_2(TX) / P9_3(RX) */
/* Exposed as Arduino Serial1 via zephyr,user.serials */
Expand Down Expand Up @@ -322,7 +346,7 @@ spi1: &scb10 {
<&gpio_prt20 6 GPIO_ACTIVE_HIGH>; /* LED_RGB_RED */

serials = <&uart2 &uart1>;
i2cs = <&i2c0 &i2c1>;
i2cs = <&scb11 &i2c1>;
spis = <&spi1>;
};
};
Loading