diff options
Diffstat (limited to 'Documentation/devicetree/bindings/clock/altr_socfpga.txt')
-rw-r--r-- | Documentation/devicetree/bindings/clock/altr_socfpga.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/altr_socfpga.txt b/Documentation/devicetree/bindings/clock/altr_socfpga.txt index 0045433eae1f..5dfd145d3ccf 100644 --- a/Documentation/devicetree/bindings/clock/altr_socfpga.txt +++ b/Documentation/devicetree/bindings/clock/altr_socfpga.txt | |||
@@ -23,3 +23,8 @@ Optional properties: | |||
23 | and the bit index. | 23 | and the bit index. |
24 | - div-reg : For "socfpga-gate-clk", div-reg contains the divider register, bit shift, | 24 | - div-reg : For "socfpga-gate-clk", div-reg contains the divider register, bit shift, |
25 | and width. | 25 | and width. |
26 | - clk-phase : For the sdmmc_clk, contains the value of the clock phase that controls | ||
27 | the SDMMC CIU clock. The first value is the clk_sample(smpsel), and the second | ||
28 | value is the cclk_in_drv(drvsel). The clk-phase is used to enable the correct | ||
29 | hold/delay times that is needed for the SD/MMC CIU clock. The values of both | ||
30 | can be 0-315 degrees, in 45 degree increments. | ||