Skip to content

STM32C0: Add USB support #88039

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
merged 4 commits into from
May 2, 2025
Merged

STM32C0: Add USB support #88039

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
abecd39
include: zephyr: dt-bindings: Add STM32C0 USB clock selection support
marwaiehm-st Apr 2, 2025
4bf24fb
dts: arm: st: c0: Add USB device node
marwaiehm-st Apr 2, 2025
8999e7a
boards: st: nucleo_c071rb: Enable USB peripheral
marwaiehm-st Apr 2, 2025
a6d3498
boards: st: nucleo_c071rb: Add the usb and usbd test features
marwaiehm-st Apr 2, 2025
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
6 changes: 6 additions & 0 deletions boards/st/nucleo_c071rb/nucleo_c071rb.dts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -165,3 +165,9 @@
&dmamux1 {
status = "okay";
};

zephyr_udc0: &usb {
pinctrl-0 = <&usb_dm_pa11 &usb_dp_pa12>;
pinctrl-names = "default";
status = "okay";
};
2 changes: 2 additions & 0 deletions boards/st/nucleo_c071rb/nucleo_c071rb.yaml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,8 @@ supported:
- rtc
- spi
- watchdog
- usb_device
- usbd
ram: 24
flash: 128
vendor: st
19 changes: 19 additions & 0 deletions dts/arm/st/c0/stm32c071.dtsi
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,20 @@
status = "disabled";
};

usb: usb@40005c00 {
compatible = "st,stm32-usb";
reg = <0x40005c00 0x400>;
interrupts = <8 0>;
interrupt-names = "usb";
num-bidir-endpoints = <8>;
ram-size = <2048>;
maximum-speed = "full-speed";
phys = <&usb_fs_phy>;
clocks = <&rcc STM32_CLOCK(APB1, 13)>,
<&rcc STM32_SRC_HSE USB_SEL(1)>;
status = "disabled";
};

spi2: spi@40003800 {
compatible = "st,stm32-spi-fifo", "st,stm32-spi";
#address-cells = <1>;
Expand All @@ -64,4 +78,9 @@
dma-channels = <5>;
};
};

usb_fs_phy: usbphy {
compatible = "usb-nop-xceiv";
#phy-cells = <0>;
};
};
3 changes: 3 additions & 0 deletions include/zephyr/dt-bindings/clock/stm32c0_clock.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@

/** @brief RCC_CCIPR register offset */
#define CCIPR_REG 0x54
#define CCIPR2_REG 0x58

/** @brief RCC_CSR1 register offset */
#define CSR1_REG 0x5C
Expand All @@ -44,6 +45,8 @@
#define I2C1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 12, CCIPR_REG)
#define I2C2_I2S1_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 14, CCIPR_REG)
#define ADC_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 30, CCIPR_REG)
/** CCIPR2 devices */
#define USB_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 12, CCIPR2_REG)
/** CSR1 devices */
#define RTC_SEL(val) STM32_DT_CLOCK_SELECT((val), 3, 8, CSR1_REG)

Expand Down
Loading