On 2019/7/16 下午7:57, Jagan Teki wrote:
Add support for setting 400MHz ddr clock. Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: YouMin Chen <cym@xxxxxxxxxxxxxx>
Reviewed-by: Kever Yang <Kever.yang@xxxxxxxxxxxxxx> Thanks, - Kever
--- drivers/clk/rockchip/clk_rk3399.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c index 1de21c9f3e..79007b8682 100644 --- a/drivers/clk/rockchip/clk_rk3399.c +++ b/drivers/clk/rockchip/clk_rk3399.c @@ -839,6 +839,10 @@ static ulong rk3399_ddr_set_clk(struct rk3399_cru *cru, dpll_cfg = (struct pll_div) {.refdiv = 2, .fbdiv = 100, .postdiv1 = 4, .postdiv2 = 1}; break; + case 400 * MHz: + dpll_cfg = (struct pll_div) + {.refdiv = 1, .fbdiv = 50, .postdiv1 = 3, .postdiv2 = 1}; + break; case 666 * MHz: dpll_cfg = (struct pll_div) {.refdiv = 2, .fbdiv = 111, .postdiv1 = 2, .postdiv2 = 1};
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