On Mon, Jun 05, 2017 at 12:01:48AM +0800, Icenowy Zheng wrote: > + soc { > + display_clocks: clock@1000000 { > + compatible = "allwinner,sun8i-a83t-de2-clk"; > + reg = <0x01000000 0x100000>; > + clocks = <&ccu CLK_BUS_DE>, > + <&ccu CLK_DE>; > + clock-names = "bus", > + "mod"; > + resets = <&ccu RST_BUS_DE>; > + #clock-cells = <1>; > + #reset-cells = <1>; > + assigned-clocks = <&ccu CLK_DE>; > + assigned-clock-parents = <&ccu CLK_PLL_DE>; > + assigned-clock-rates = <432000000>; > + }; We discussed that already a few times, but there's no reason to do so. If you need a downstream clock at a particular rate, call clk_set_rate on it, period. Whether its parent will be coming from PLL_DE or some other more appriopriate clock is not relevant and doesn't make any difference. Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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