diff options
Diffstat (limited to 'Documentation/devicetree/bindings/clock')
| -rw-r--r-- | Documentation/devicetree/bindings/clock/altr_socfpga.txt | 5 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/clock/clock-bindings.txt | 17 |
2 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/altr_socfpga.txt b/Documentation/devicetree/bindings/clock/altr_socfpga.txt index 0045433eae1..5dfd145d3cc 100644 --- a/Documentation/devicetree/bindings/clock/altr_socfpga.txt +++ b/Documentation/devicetree/bindings/clock/altr_socfpga.txt @@ -23,3 +23,8 @@ Optional properties: and the bit index. - div-reg : For "socfpga-gate-clk", div-reg contains the divider register, bit shift, and width. +- clk-phase : For the sdmmc_clk, contains the value of the clock phase that controls + the SDMMC CIU clock. The first value is the clk_sample(smpsel), and the second + value is the cclk_in_drv(drvsel). The clk-phase is used to enable the correct + hold/delay times that is needed for the SD/MMC CIU clock. The values of both + can be 0-315 degrees, in 45 degree increments. diff --git a/Documentation/devicetree/bindings/clock/clock-bindings.txt b/Documentation/devicetree/bindings/clock/clock-bindings.txt index 7c52c29d99f..700e7aac371 100644 --- a/Documentation/devicetree/bindings/clock/clock-bindings.txt +++ b/Documentation/devicetree/bindings/clock/clock-bindings.txt @@ -44,6 +44,23 @@ For example: clocks by index. The names should reflect the clock output signal names for the device. +clock-indices: If the identifyng number for the clocks in the node + is not linear from zero, then the this mapping allows + the mapping of identifiers into the clock-output-names + array. + +For example, if we have two clocks <&oscillator 1> and <&oscillator 3>: + + oscillator { + compatible = "myclocktype"; + #clock-cells = <1>; + clock-indices = <1>, <3>; + clock-output-names = "clka", "clkb"; + } + + This ensures we do not have any empty nodes in clock-output-names + + ==Clock consumers== Required properties: |