On Fri, 1 Jul 2022 10:52:26 +0900, Chanho Park wrote:
> Universal Serial Interface (USI) supports three types of serial interface
> such as Universal Asynchronous Receiver and Transmitter (UART), Serial
> Peripheral Interface (SPI), and Inter-Integrated Circuit (I2C).
> Each protocols can be working independently and configured as one of
> those using external configuration inputs.
> Exynos Auto v9 SoC support 12 USIs. When a USI uses two pins such as i2c
> and 3 wire uarts(RX/TX only), we can use remain two pins as i2c mode.
> So, we can define one USI node that includes serial/spi and hsi2c.
> usi_i2c nodes can be used only for i2c mode.
>
> [...]
Applied, thanks!
[5/5] arm64: dts: exynosautov9: add usi device tree nodes
https://git.kernel.org/krzk/linux/c/1ba1fd7d775dbccf43951671a7331c561408e72b
Best regards,
--
Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
