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Diffstat (limited to 'doc/README.fsl-hwconfig')
| -rw-r--r-- | doc/README.fsl-hwconfig | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/doc/README.fsl-hwconfig b/doc/README.fsl-hwconfig new file mode 100644 index 000000000..03fea74db --- /dev/null +++ b/doc/README.fsl-hwconfig @@ -0,0 +1,21 @@ +Freescale-specific 'hwconfig' options. + +This file documents Freescale-specific key:value pairs for the 'hwconfig' +option. See README.hwconfig for general information about 'hwconfig'. + +audclk + Specific to the P1022DS reference board. + + This option specifies which of the two oscillator frequencies should be + routed to the Wolfson WM8776 codec. The ngPIXIS can be programmed to + route either a 11.2896MHz or a 12.288MHz clock. The default is + 12.288MHz. This option has two effects. First, the MUX on the board + will be programmed accordingly. Second, the clock-frequency property + in the codec node in the device tree will be updated to the correct + value. + + 'audclk:11' + Select the 11.2896MHz clock + + 'audclk:12' + Select the 12.288MHz clock |