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The Sony/Philips Digital Interface Receiver (SPDIFRX) is a serial port compliant with the IEC-60958 standard. Among its caracteristics, we mention the following: - SPDIF/AES-EBU Compatible Serial Port - 32 Samples FIFO - Data Width Configurable to 24 bits, 20 bits or 16 bits - Packed and Unpacked Data Support for System Memory Optimization - Line State Events Report and Source of Interrupt - Line Error Rate Report - Full Memory Map of 192 bits for Channel 1 and Channel 2 Status and User Data - First 32-bit Status A, Status B Change Report and Source of Interrupt - Line Digital Filter - Register Write Protection - Abnormal Software Access and Internal Sequencer Integrity Check Reports This interface is available in Microchip's SAMA7G5 SoC. Codrin Ciubotariu (2): dt-bindings: sound: add DT bindings for Microchip S/PDIF RX Controller ASoC: mchp-spdifrx: add driver for SPDIF RX .../bindings/sound/mchp,spdifrx.yaml | 73 ++ sound/soc/atmel/Kconfig | 13 + sound/soc/atmel/Makefile | 2 + sound/soc/atmel/mchp-spdifrx.c | 954 ++++++++++++++++++ 4 files changed, 1042 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/mchp,spdifrx.yaml create mode 100644 sound/soc/atmel/mchp-spdifrx.c -- 2.25.1
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.