From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Fri, 10 May 2024 07:44:59 +0000 Subject: [PATCH] gmac get mac form eeprom --- kernel/Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/kernel/Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 b/kernel/Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 index da98223..91439d6 100644 --- a/kernel/Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 +++ b/kernel/Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 @@ -3,14 +3,20 @@ Contact: arnaud.pouliquen@st.com Description: For audio purpose only. + Used by audio driver to set/get the spi input frequency. + This is mandatory if DFSDM is slave on SPI bus, to provide information on the SPI clock frequency during runtime Notice that the SPI frequency should be a multiple of sample frequency to ensure the precision. - if DFSDM input is SPI master + + if DFSDM input is SPI master: + Reading SPI clkout frequency, error on writing + If DFSDM input is SPI Slave: + Reading returns value previously set. - Writing value before starting conversions. \ No newline at end of file + Writing value before starting conversions. -- Gitblit v1.6.2