Hi Lin, On 20 October 2015 at 20:37, Lin Huang <[email protected]> wrote: > Add a driver for setting up and modifying the various PLLs, peripheral > clocks and mmc clocks on RK3036 > > Signed-off-by: Lin Huang <[email protected]> > --- > Changes in v1: > - clean copyright announcement > > arch/arm/include/asm/arch-rockchip/cru_rk3036.h | 53 +++ > drivers/clk/Makefile | 1 + > drivers/clk/clk_rk3036.c | 522 > ++++++++++++++++++++++++ > 3 files changed, 576 insertions(+) > create mode 100644 arch/arm/include/asm/arch-rockchip/cru_rk3036.h > create mode 100644 drivers/clk/clk_rk3036.c >
Acked-by: Simon Glass <[email protected]> Please see nit below. > +static int rkclk_set_pll(struct rk3036_cru *cru, enum rk_clk_id clk_id, > + const struct pll_div *div) > +{ > + int pll_id = rk_pll_id(clk_id); > + struct rk3036_pll *pll = &cru->pll[pll_id]; > + > + /* All PLLs have same VCO and output frequency range restrictions. */ > + uint vco_hz = OSC_HZ / 1000 * div->fbdiv / div->refdiv * 1000; > + uint output_hz = vco_hz / div->postdiv1 / div->postdiv2; > + > + debug("PLL at %p: fbdiv=%d, refdiv=%d, postdiv1=%d, postdiv2=%d,\ > + vco=%u Hz, output=%u Hz\n", > + pll, div->fbdiv, div->refdiv, div->postdiv1, > + div->postdiv2, vco_hz, output_hz); > + assert(vco_hz >= VCO_MIN_HZ && vco_hz <= VCO_MAX_HZ && > + output_hz >= OUTPUT_MIN_HZ && output_hz <= OUTPUT_MAX_HZ); > + > + /* use interger mode */ Should that be integer? What does it mean? _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot

