Driver improvements (#535)

- New drivers:
  - SD SPI
  - spi_peripheral
  - touch_placeholder
  - display_placeholder
- Devicetree compiler:
  - Implement phandle-arrays
  - Implement device addresses
- Add placeholder drivers to all devices with a SPI display
- SPI driver: add `cs-pins` and set them to high on driver start
- FileSystem: add `file_system_set_owner()` and `file_system_get_owner()`
- File locking is now checking if the related `FileSystem` is part of a shared SPI bus
- Add `device_get_child_count()`
- SDMMC driver: Remove default of `slot` value
- Fix for Crowpanel Basic 3.5" display (add delay to booting)
- Fix for LilyGO T-HMI SD card mounting (delayed mounting by disabling it initially in the dts)

Platforms/platform-esp32/bindings/espressif,esp32-grove.yaml

@@ -8,11 +8,11 @@ properties:
     required: true
     description: "One of enum Esp32GroveMode"
   pinSdaTx:
-    type: phandle-array
+    type: phandles
     required: true
     description: SDA (I2C) or TX (UART) pin
   pinSclRx:
-    type: phandle-array
+    type: phandles
     required: true
     description: SCL (I2C) or RX (UART) pin
   uartPort:

Platforms/platform-esp32/bindings/espressif,esp32-i2c-master.yaml

@@ -22,8 +22,8 @@ properties:
       Clock source for the I2C peripheral.
       If not specified, a default clock source will be used.
   pin-sda:
-    type: phandle-array
+    type: phandles
     required: true
   pin-scl:
-    type: phandle-array
+    type: phandles
     required: true

Platforms/platform-esp32/bindings/espressif,esp32-i2c.yaml

@@ -16,8 +16,8 @@ properties:
     required: true
     description: Initial clock frequency in Hz
   pin-sda:
-    type: phandle-array
+    type: phandles
     required: true
   pin-scl:
-    type: phandle-array
+    type: phandles
     required: true

Platforms/platform-esp32/bindings/espressif,esp32-i2s.yaml

@@ -12,22 +12,22 @@ properties:
       The port number, defined by i2s_port_t.
       Depending on the hardware, these values are available: I2S_NUM_0, I2S_NUM_1
   pin-bclk:
-    type: phandle-array
+    type: phandles
     required: true
     description: Bit clock pin
   pin-ws:
-    type: phandle-array
+    type: phandles
     required: true
     description: Word (slot) select pin
   pin-data-out:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
     description: Data output pin
   pin-data-in:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
     description: Data input pin
   pin-mclk:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
     description: Master clock pin

Platforms/platform-esp32/bindings/espressif,esp32-sdmmc.yaml

@@ -4,40 +4,40 @@ compatible: "espressif,esp32-sdmmc"
 
 properties:
   pin-clk:
-    type: phandle-array
+    type: phandles
     required: true
   pin-cmd:
-    type: phandle-array
+    type: phandles
     required: true
   pin-d0:
-    type: phandle-array
+    type: phandles
     required: true
   pin-d1:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
   pin-d2:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
   pin-d3:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
   pin-d4:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
   pin-d5:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
   pin-d6:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
   pin-d7:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
   pin-cd:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
   pin-wp:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
   bus-width:
     type: int
@@ -45,7 +45,6 @@ properties:
     description: Bus width in bits
   slot:
     type: int
-    default: 1
     enum: [0, 1]
     description: SDMMC host slot number (SDMMC_HOST_SLOT_0 or SDMMC_HOST_SLOT_1). On ESP32-P4, slot 0 uses the dedicated (non-GPIO-matrix) pins.
   max-freq-khz:

Platforms/platform-esp32/bindings/espressif,esp32-sdspi.yaml

@@ -0,0 +1,23 @@
+description: ESP32 SD card over SPI
+
+compatible: "espressif,esp32-sdspi"
+
+bus: spi
+
+properties:
+  pin-cd:
+    type: phandles
+    default: GPIO_PIN_SPEC_NONE
+    description: Card detect GPIO
+  pin-wp:
+    type: phandles
+    default: GPIO_PIN_SPEC_NONE
+    description: Write protect GPIO
+  pin-int:
+    type: phandles
+    default: GPIO_PIN_SPEC_NONE
+    description: Interrupt GPIO
+  frequency-khz:
+    type: int
+    required: true
+    description: SPI clock frequency in kHz

Platforms/platform-esp32/bindings/espressif,esp32-spi.yaml

@@ -12,27 +12,32 @@ properties:
       The SPI host (controller) to use.
       Defined by spi_host_device_t (e.g. SPI2_HOST, SPI3_HOST).
   pin-sclk:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
   pin-mosi:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
     description: MOSI (Data 0) pin
   pin-miso:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
     description: MISO (Data 1) pin
   pin-wp:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
     description: WP (Data 2) pin
   pin-hd:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
     description: HD (Data 3) pin
   max-transfer-size:
     type: int
     default: 0
     description: |
-      Data transfer size limit in bytes. 
+      Data transfer size limit in bytes.
       0 means the platform decides the limit.
+  cs-gpios:
+    type: phandle-array
+    element-type: "struct GpioPinSpec"
+    default: "{ }"
+    description: Null-terminated array of chip select GPIO pin specs for peripherals on this bus

Platforms/platform-esp32/bindings/espressif,esp32-uart.yaml

@@ -12,18 +12,18 @@ properties:
       The port number, defined by uart_port_t.
       Depending on the hardware, these values are available: UART_NUM_0, UART_NUM_1, UART_NUM_2
   pin-tx:
-    type: phandle-array
+    type: phandles
     required: true
     description: TX pin
   pin-rx:
-    type: phandle-array
+    type: phandles
     required: true
     description: RX pin
   pin-cts:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
     description: CTS pin
   pin-rts:
-    type: phandle-array
+    type: phandles
     default: GPIO_PIN_SPEC_NONE
     description: RTS pin