Add basic support for setting the ARM clock, since this allows us to run at maximum speed in U-Boot. Currently only a single speed is supported (1.8GHz).
Signed-off-by: Simon Glass <s...@chromium.org> --- drivers/clk/rockchip/clk_rk3288.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/clk/rockchip/clk_rk3288.c b/drivers/clk/rockchip/clk_rk3288.c index ed97e87..d15504c 100644 --- a/drivers/clk/rockchip/clk_rk3288.c +++ b/drivers/clk/rockchip/clk_rk3288.c @@ -691,6 +691,13 @@ static ulong rk3288_clk_set_rate(struct clk *clk, ulong rate) gclk_rate = rkclk_pll_get_rate(priv->cru, CLK_GENERAL); switch (clk->id) { + case PLL_APLL: + /* We only support a fixed rate here */ + if (rate != 1800000000) + return -EINVAL; + rk3288_clk_configure_cpu(priv->cru, priv->grf); + new_rate = rate; + break; case CLK_DDR: new_rate = rkclk_configure_ddr(priv->cru, priv->grf, rate); break; -- 2.8.0.rc3.226.g39d4020 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot