diff options
author | Emmanuel Vadot <manu@FreeBSD.org> | 2019-01-11 05:27:30 +0000 |
---|---|---|
committer | Emmanuel Vadot <manu@FreeBSD.org> | 2019-01-11 05:27:30 +0000 |
commit | a31d1ff13cd8d70944a6446c0e2478d7f25b53e7 (patch) | |
tree | 95e0f475d5a1ebb20845d0809fdc2d15875b2ea9 /Bindings/sound/amlogic,axg-pdm.txt | |
parent | 0bf7de3125ed8dcfbeaa112994b25101fa9b96c6 (diff) | |
download | src-a31d1ff13cd8d70944a6446c0e2478d7f25b53e7.tar.gz src-a31d1ff13cd8d70944a6446c0e2478d7f25b53e7.zip |
Import DTS files from Linux 4.20vendor/device-tree/4.20
Notes
Notes:
svn path=/vendor/device-tree/dist/; revision=342930
svn path=/vendor/device-tree/4.20/; revision=342931; tag=vendor/device-tree/4.20
Diffstat (limited to 'Bindings/sound/amlogic,axg-pdm.txt')
-rw-r--r-- | Bindings/sound/amlogic,axg-pdm.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Bindings/sound/amlogic,axg-pdm.txt b/Bindings/sound/amlogic,axg-pdm.txt new file mode 100644 index 000000000000..5672d0bc5b16 --- /dev/null +++ b/Bindings/sound/amlogic,axg-pdm.txt @@ -0,0 +1,24 @@ +* Amlogic Audio PDM input + +Required properties: +- compatible: 'amlogic,axg-pdm' +- reg: physical base address of the controller and length of memory + mapped region. +- clocks: list of clock phandle, one for each entry clock-names. +- clock-names: should contain the following: + * "pclk" : peripheral clock. + * "dclk" : pdm digital clock + * "sysclk" : dsp system clock +- #sound-dai-cells: must be 0. + +Example of PDM on the A113 SoC: + +pdm: audio-controller@ff632000 { + compatible = "amlogic,axg-pdm"; + reg = <0x0 0xff632000 0x0 0x34>; + #sound-dai-cells = <0>; + clocks = <&clkc_audio AUD_CLKID_PDM>, + <&clkc_audio AUD_CLKID_PDM_DCLK>, + <&clkc_audio AUD_CLKID_PDM_SYSCLK>; + clock-names = "pclk", "dclk", "sysclk"; +}; |