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GPIO refactored (#495)

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* **Refactor**
  * GPIO subsystem moved to a descriptor-based model for per-pin ownership and runtime pin management; many platform drivers now acquire/release descriptors.
  * Device trees and drivers now use GPIO phandle-style pin specifications across all boards and all drivers.

* **Behavior**
  * Device list now encodes per-device status (ok/disabled); boot will skip disabled devices accordingly.

* **Deprecation**
  * Legacy GPIO HAL marked deprecated and replaced with descriptor-based interfaces.

* **Chores**
  * Bindings and platform configs updated to the new GPIO pin-spec format.
This commit is contained in:
Ken Van Hoeylandt
2026-02-11 20:34:54 +01:00
committed by GitHub
parent dff93cb655
commit 26c17986c6
80 changed files with 1129 additions and 665 deletions
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TactilityC/Source/tt_hal_gpio.cpp
+2 -23
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@@ -7,33 +7,12 @@ extern "C" {
using namespace tt::hal;
static Device* find_first_gpio_controller() {
Device* device_result = nullptr;
device_for_each_of_type(&GPIO_CONTROLLER_TYPE, &device_result, [](Device* device, void* context) {
if (device_is_ready(device)) {
auto** device_result_ptr = static_cast<Device**>(context);
*device_result_ptr = device;
return false;
}
return true;
});
return device_result;
}
bool tt_hal_gpio_get_level(GpioPin pin) {
Device* device_result = find_first_gpio_controller();
if (device_result == nullptr) return false;
bool pin_state = false;
if (gpio_controller_get_level(device_result, pin, &pin_state) != ERROR_NONE) return false;
return pin_state;
return false;
}
int tt_hal_gpio_get_pin_count() {
Device* device_result = find_first_gpio_controller();
if (device_result == nullptr) return 0;
uint32_t pin_count = 0;
if (gpio_controller_get_pin_count(device_result, &pin_count) != ERROR_NONE) return 0;
return (int)pin_count;
return 0;
}
}