drivers: display: Add driver for SSD1351 OLED display controller

[nktsb]

Overview

Hello! I'd like to contribute a display driver for SSD1351 OLED controller. This driver enables support for 128x128 pixel OLED displays with 18-bit color depth commonly used in various embedded applications.

Implementation Details

• Controller: Solomon SSD1351 OLED display controller
• Display size: 128x128 pixels
• Color depth: 18-bit, 262K colors (in RGB666 mode)
• Interface: SPI

Features:

• Configurable orientation
• Choosing RGB mode (RGB565/BGR565/RGB888)
• Brightness control

Integration

The driver follows Zephyr's display API and consists of:

• Core driver implementation
• Device Tree bindings
• Kconfig options
• Documentation
• Sample application demonstrating basic usage

Testing

The driver has been tested on WaveShare 1.5 inch RGB OLED module.

Repository

I've developed and tested the driver in a separate repository:

https://github.com/nktsb/zephyr-ssd1351-driver

Once approved, I'll submit a PR with all required files and documentation according to Zephyr contribution guidelines.

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