--- zzzz-none-000/linux-3.10.107/Documentation/devicetree/bindings/clock/altr_socfpga.txt 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/Documentation/devicetree/bindings/clock/altr_socfpga.txt 2021-02-04 17:41:59.000000000 +0000 @@ -9,6 +9,9 @@ "altr,socfpga-pll-clock" - for a PLL clock "altr,socfpga-perip-clock" - The peripheral clock divided from the PLL clock. + "altr,socfpga-gate-clk" - Clocks that directly feed peripherals and + can get gated. + - reg : shall be the control register offset from CLOCK_MANAGER's base for the clock. - clocks : shall be the input parent clock phandle for the clock. This is either an oscillator or a pll output. @@ -16,3 +19,12 @@ Optional properties: - fixed-divider : If clocks have a fixed divider value, use this property. +- clk-gate : For "socfpga-gate-clk", clk-gate contains the gating register + and the bit index. +- div-reg : For "socfpga-gate-clk" and "socfpga-periph-clock", 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.