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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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Devices/m5stack-cores3/m5stack,cores3.dts
+23 -20
View File
@@ -21,40 +21,42 @@
compatible = "espressif,esp32-i2c";
port = <I2C_NUM_0>;
clock-frequency = <400000>;
pin-sda = <12>;
pin-scl = <11>;
pin-sda = <&gpio0 12 GPIO_FLAG_NONE>;
pin-scl = <&gpio0 11 GPIO_FLAG_NONE>;
};
i2c_port_a {
compatible = "espressif,esp32-i2c";
port = <I2C_NUM_1>;
clock-frequency = <400000>;
pin-sda = <2>;
pin-scl = <1>;
pin-sda = <&gpio0 2 GPIO_FLAG_NONE>;
pin-scl = <&gpio0 1 GPIO_FLAG_NONE>;
};
/*
i2c_port_b {
compatible = "espressif,esp32-i2c";
status = "disabled";
port = <I2C_NUM_1>;
clock-frequency = <400000>;
pin-sda = <9>;
pin-scl = <8>;
pin-sda = <&gpio0 9 GPIO_FLAG_NONE>;
pin-scl = <&gpio0 8 GPIO_FLAG_NONE>;
};
i2c_port_c {
compatible = "espressif,esp32-i2c";
status = "disabled";
port = <I2C_NUM_1>;
clock-frequency = <400000>;
pin-sda = <18>;
pin-scl = <17>;
pin-sda = <&gpio0 18 GPIO_FLAG_NONE>;
pin-scl = <&gpio0 17 GPIO_FLAG_NONE>;
};
*/
spi0 {
compatible = "espressif,esp32-spi";
host = <SPI2_HOST>;
pin-mosi = <37>;
pin-miso = <35>;
pin-sclk = <36>;
pin-mosi = <&gpio0 37 GPIO_FLAG_NONE>;
pin-miso = <&gpio0 35 GPIO_FLAG_NONE>;
pin-sclk = <&gpio0 36 GPIO_FLAG_NONE>;
};
// TODO: Enable speaker via ES7210 I2C: https://github.com/m5stack/M5Unified/blob/a6256725481f1bc366655fa48cf03b6095e30ad1/src/M5Unified.cpp#L417
@@ -64,17 +66,18 @@
// Note: M5Unified sets the following for microphone: magnification = 4
compatible = "espressif,esp32-i2s";
port = <I2S_NUM_0>;
pin-bclk = <34>;
pin-ws = <33>;
pin-data-out = <13>;
pin-data-in = <14>;
pin-mclk = <0>;
pin-bclk = <&gpio0 34 GPIO_FLAG_NONE>;
pin-ws = <&gpio0 33 GPIO_FLAG_NONE>;
pin-data-out = <&gpio0 13 GPIO_FLAG_NONE>;
pin-data-in = <&gpio0 14 GPIO_FLAG_NONE>;
pin-mclk = <&gpio0 0 GPIO_FLAG_NONE>;
};
uart_port_a: uart1 {
compatible = "espressif,esp32-uart";
status = "disabled";
port = <UART_NUM_1>;
pin-tx = <1>;
pin-rx = <2>;
pin-tx = <&gpio0 1 GPIO_FLAG_NONE>;
pin-rx = <&gpio0 2 GPIO_FLAG_NONE>;
};
};