Am Mittwoch, 22. März 2017, 18:23:56 CET schrieb Elaine Zhang: > On 03/21/2017 04:55 PM, Heiko Stübner wrote: > > Am Donnerstag, 16. März 2017, 21:17:22 CET schrieb cl@xxxxxxxxxxxxxx: > >> + cru: clock-controller@ff440000 { > >> + compatible = "rockchip,rk3328-cru", "rockchip,cru", "syscon"; > >> + reg = <0x0 0xff440000 0x0 0x1000>; > >> + rockchip,grf = <&grf>; > >> + #clock-cells = <1>; > >> + #reset-cells = <1>; > >> + assigned-clocks = > >> + <&cru DCLK_LCDC>, <&cru SCLK_PDM>, > >> + <&cru SCLK_RTC32K>, <&cru SCLK_UART0>, > >> + <&cru SCLK_UART1>, <&cru SCLK_UART2>, > >> + <&cru ACLK_BUS_PRE>, <&cru ACLK_PERI_PRE>, > >> + <&cru ACLK_VIO_PRE>, <&cru ACLK_RGA_PRE>, > >> + <&cru ACLK_VOP_PRE>, <&cru ACLK_RKVDEC_PRE>, > >> + <&cru ACLK_RKVENC>, <&cru ACLK_VPU_PRE>, > >> + <&cru SCLK_VDEC_CABAC>, <&cru SCLK_VDEC_CORE>, > >> + <&cru SCLK_VENC_CORE>, <&cru SCLK_VENC_DSP>, > >> + <&cru SCLK_SDIO>, <&cru SCLK_TSP>, > >> + <&cru SCLK_WIFI>, <&cru ARMCLK>, > >> + <&cru PLL_GPLL>, <&cru PLL_CPLL>, > >> + <&cru ACLK_BUS_PRE>, <&cru HCLK_BUS_PRE>, > >> + <&cru PCLK_BUS_PRE>, <&cru ACLK_PERI_PRE>, > >> + <&cru HCLK_PERI>, <&cru PCLK_PERI>, > >> + <&cru ACLK_VIO_PRE>, <&cru HCLK_VIO_PRE>, > >> + <&cru ACLK_RGA_PRE>, <&cru SCLK_RGA>, > >> + <&cru ACLK_VOP_PRE>, <&cru ACLK_RKVDEC_PRE>, > >> + <&cru ACLK_RKVENC>, <&cru ACLK_VPU_PRE>, > >> + <&cru SCLK_VDEC_CABAC>, <&cru SCLK_VDEC_CORE>, > >> + <&cru SCLK_VENC_CORE>, <&cru SCLK_VENC_DSP>, > >> + <&cru SCLK_EFUSE>, <&cru PCLK_DDR>, > >> + <&cru ACLK_GMAC>, <&cru PCLK_GMAC>, > >> + <&cru SCLK_RTC32K>, <&cru SCLK_USB3OTG_SUSPEND>; > > > > that list is way to long. > > Device-specific clocks should be inited in their respective device nodes. > > Cpll init freq is 1200M, is too high. we need set cpll child clk div > first,and then set cpll freq. > After pll init, others clk init freq can inited in their device node. thanks, that is a nice explanation. Please put it into a comment above the assigned-clocks property, so that we can keep that knowledge around for later times :-) . Thanks Heiko -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html