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/Zephyr-latest/dts/bindings/usb-c/
Dusb-c-connector.yaml2 # SPDX-License-Identifier: Apache-2.0
5 A USB Type-C connector node represents a physical USB Type-C connector.
6 It should be a child of a USB-C interface controller or a separate node
7 when it is attached to both MUX and USB-C interface controller.
10 …/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/connector/usb-connector.yaml?h=v5.1…
14 USB-C connector attached to a STM32 UCPD typec port controller, which has
18 compatible = "zephyr,usb-c-vbus-adc";
19 io-channels = <&adc2 8>;
20 output-ohms = <49900>;
21 full-ohms = <(330000 + 49900)>;
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/Zephyr-latest/include/zephyr/usb_c/
Dusbc.h3 * SPDX-License-Identifier: Apache-2.0
8 * @brief USB-C Device APIs
10 * This file contains the USB-C Device APIs.
26 * @brief USB-C Device APIs
27 * @defgroup _usbc_device_api USB-C Device API
56 /** Request Type-C layer to transition to Disabled State */
58 /** Request Type-C layer to transition to Error Recovery State */
60 /** End of Type-C requests */
70 * Request Policy Engine layer to get Source Capabilities from
80 * Request Policy Engine to request the port partner to source
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/Zephyr-latest/subsys/usb/usb_c/
Dusbc_stack.h4 * SPDX-License-Identifier: Apache-2.0
17 #define PRIV_PORT_REQUEST_SUSPEND -1
18 #define PRIV_PORT_REQUEST_START -2
65 /* Type-C layer data */
67 /** Type-C state machine object */
69 /** Enables or Disables the Type-C state machine */
71 /** The state of the Type-C state machine */
100 /** The Type-C Port Controller on this port */
112 /** Bypass next sleep and request one more iteration of the USB-C state machines */
115 /* USB-C Callbacks */
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Dusbc_pe_common_internal.h4 * SPDX-License-Identifier: Apache-2.0
18 * @brief Used in sub-machines for message transmit and receive operation
21 /* Wait for a message transmission sub-machine state */
23 /* Wait for a message reception sub-machine state */
28 * @brief Used in sub-machines for message source hard reset operation
31 /* Start the hard-reset sub-machine state */
33 /* Wait for hard-reset to complete sub-machine state */
151 * If this flag is not set the AMS is non-interruptible. This flag must
202 /** current port power role (SOURCE or SINK) */
213 /** The Sink made a valid request of the Source if true */
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Dusbc_pe_snk_states.c4 * SPDX-License-Identifier: Apache-2.0
19 * @brief Initialize the Source Policy Engine layer
23 struct usbc_port_data *data = dev->data; in pe_snk_init()
24 struct policy_engine *pe = data->pe; in pe_snk_init()
30 usbc_timer_init(&pe->pd_t_typec_sink_wait_cap, PD_T_TYPEC_SINK_WAIT_CAP_MAX_MS); in pe_snk_init()
31 usbc_timer_init(&pe->pd_t_ps_transition, PD_T_SPR_PS_TRANSITION_NOM_MS); in pe_snk_init()
32 usbc_timer_init(&pe->pd_t_wait_to_resend, PD_T_SINK_REQUEST_MIN_MS); in pe_snk_init()
39 * @brief Handle sink-specific DPM requests
43 struct usbc_port_data *data = dev->data; in sink_dpm_requests()
44 struct policy_engine *pe = data->pe; in sink_dpm_requests()
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Dusbc_pe_common.c4 * SPDX-License-Identifier: Apache-2.0
23 * @brief Set the ready state for sink or source.
27 struct usbc_port_data *data = dev->data; in pe_set_ready_state()
29 if (data->pe->power_role == TC_ROLE_SOURCE) { in pe_set_ready_state()
43 struct usbc_port_data *data = dev->data; in common_dpm_requests()
44 struct policy_engine *pe = data->pe; in common_dpm_requests()
46 if (pe->dpm_request > REQUEST_TC_END) { in common_dpm_requests()
47 atomic_set_bit(pe->flags, PE_FLAGS_DPM_INITIATED_AMS); in common_dpm_requests()
49 if (pe->dpm_request == REQUEST_PE_DR_SWAP) { in common_dpm_requests()
52 } else if (pe->dpm_request == REQUEST_PE_SOFT_RESET_SEND) { in common_dpm_requests()
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Dusbc_pe_src_states.c4 * SPDX-License-Identifier: Apache-2.0
9 * @brief USB-C Power Policy Engine (PE)
27 * @brief Initialize the Source Policy Engine layer
31 struct usbc_port_data *data = dev->data; in pe_src_init()
32 struct policy_engine *pe = data->pe; in pe_src_init()
34 /* Initial role of source is DFP */ in pe_src_init()
38 pe->snk_request_reply = SNK_REQUEST_REJECT; in pe_src_init()
41 usbc_timer_init(&pe->pd_t_typec_send_source_cap, PD_T_TYPEC_SEND_SOURCE_CAP_MIN_MS); in pe_src_init()
42 usbc_timer_init(&pe->pd_t_ps_hard_reset, PD_T_PS_HARD_RESET_MAX_MS); in pe_src_init()
49 * @brief Handle source-specific DPM requests
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/Zephyr-latest/samples/subsys/usb_c/sink/src/
Dmain.c4 * SPDX-License-Identifier: Apache-2.0
33 /** Source Capabilities */
35 /** Number of Source Capabilities */
51 * - Maximum operating current 100mA
52 * - Operating current is 100mA
53 * - Unchunked Extended Messages Not Supported
54 * - No USB Suspend
55 * - Not USB Communications Capable
56 * - No capability mismatch
57 * - Does not Giveback
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/Zephyr-latest/samples/subsys/usb_c/source/boards/
Dstm32g081b_eval.overlay4 * SPDX-License-Identifier: Apache-2.0
8 #include <dt-bindings/usb-c/pd.h>
12 usbc-port0 = &port1;
16 compatible = "pwm-leds";
24 compatible = "gpio-leds";
26 /* Pin D3 is used to enable VBUS Source */
51 /* usbc.rst vbus-voltage-divider-adc start */
53 compatible = "zephyr,usb-c-vbus-adc";
54 io-channels = <&adc1 9>;
55 output-ohms = <49900>;
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/Zephyr-latest/samples/subsys/usb_c/sink/
DREADME.rst1 .. zephyr:code-sample:: usb-c-sink
2 :name: Basic USB-C Sink
3 :relevant-api: _usbc_device_api
5 Implement a USB-C Power Delivery application in the form of a USB-C Sink.
10 This example demonstrates how to create a USB-C Power Delivery application and
11 how to generate USB VIF policies in XML format using the USB-C subsystem. The
12 application implements a USB-C Sink device.
14 After the USB-C Sink device is plugged into a Power Delivery charger, it
16 Power Delivery Objects (PDOs) provided by the charger.
18 .. _usb-c-sink-sample-requirements:
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/Zephyr-latest/samples/subsys/usb_c/source/src/
Dmain.c4 * SPDX-License-Identifier: Apache-2.0
20 /* A Source power role evauates to 1. See usbc_tc.h: TC_ROLE_SOURCE */
22 #error "Unsupported board: Only Source device supported"
32 /** Source Capabilities */
34 /** Number of Source Capabilities */
91 *rp = dpm_data->rp; in port0_policy_cb_get_src_rp()
114 dpm_data->vconn_pol = pol; in port0_policy_cb_vconn_en()
131 * @brief PE calls this function to get the Source Caps that will be sent
135 const uint32_t **pdos, uint32_t *num_pdos) in port0_policy_cb_get_src_caps() argument
139 *pdos = dpm_data->src_caps; in port0_policy_cb_get_src_caps()
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/Zephyr-latest/boards/weact/stm32g431_core/
Dweact_stm32g431_core.dts4 * SPDX-License-Identifier: Apache-2.0
7 /dts-v1/;
9 #include <st/g4/stm32g431c(6-8-b)ux-pinctrl.dtsi>
10 #include <zephyr/dt-bindings/usb-c/pd.h>
11 #include <zephyr/dt-bindings/input/input-event-codes.h>
15 compatible = "weact,stm32g431-core";
19 zephyr,shell-uart = &usart2;
26 mcuboot-button0 = &button_0;
27 mcuboot-led0 = &led_0;
30 usbc-port0 = &usbc1;
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