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65 lines
1.7 KiB
65 lines
1.7 KiB
/* |
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* Copyright (c) 2022, Commonwealth Scientific and Industrial Research |
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* Organisation (CSIRO) ABN 41 687 119 230. |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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*/ |
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/* |
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* This is not a real PWM driver. It is used to instantiate struct |
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* devices for the "vnd,pwm" devicetree compatible used in test code. |
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*/ |
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#include <zephyr/kernel.h> |
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#include <zephyr/drivers/pwm.h> |
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#define DT_DRV_COMPAT vnd_pwm |
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static int vnd_pwm_set_cycles(const struct device *dev, uint32_t channel, |
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uint32_t period_cycles, uint32_t pulse_cycles, |
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pwm_flags_t flags) |
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{ |
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return -ENOTSUP; |
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} |
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#ifdef CONFIG_PWM_CAPTURE |
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static int vnd_pwm_configure_capture(const struct device *dev, uint32_t channel, |
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pwm_flags_t flags, |
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pwm_capture_callback_handler_t cb, |
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void *user_data) |
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{ |
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return -ENOTSUP; |
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} |
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static int vnd_pwm_enable_capture(const struct device *dev, uint32_t channel) |
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{ |
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return -ENOTSUP; |
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} |
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static int vnd_pwm_disable_capture(const struct device *dev, uint32_t channel) |
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{ |
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return -ENOTSUP; |
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} |
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#endif /* CONFIG_PWM_CAPTURE */ |
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static int vnd_pwm_get_cycles_per_sec(const struct device *dev, |
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uint32_t channel, uint64_t *cycles) |
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{ |
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return -ENOTSUP; |
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} |
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static const struct pwm_driver_api vnd_pwm_api = { |
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.set_cycles = vnd_pwm_set_cycles, |
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#ifdef CONFIG_PWM_CAPTURE |
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.configure_capture = vnd_pwm_configure_capture, |
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.enable_capture = vnd_pwm_enable_capture, |
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.disable_capture = vnd_pwm_disable_capture, |
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#endif /* CONFIG_PWM_CAPTURE */ |
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.get_cycles_per_sec = vnd_pwm_get_cycles_per_sec, |
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}; |
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#define VND_PWM_INIT(n) \ |
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DEVICE_DT_INST_DEFINE(n, NULL, NULL, NULL, NULL, POST_KERNEL, \ |
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CONFIG_PWM_INIT_PRIORITY, &vnd_pwm_api); |
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DT_INST_FOREACH_STATUS_OKAY(VND_PWM_INIT)
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