On 2019/7/16 下午7:57, Jagan Teki wrote:
Add support for setting 50MHz ddr clock.
Signed-off-by: Jagan Teki <[email protected]>
Signed-off-by: YouMin Chen <[email protected]>
Reviewed-by: Kever Yang <[email protected]>
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 5d1ad94e85..1de21c9f3e 100644
--- a/drivers/clk/rockchip/clk_rk3399.c
+++ b/drivers/clk/rockchip/clk_rk3399.c
@@ -827,6 +827,10 @@ static ulong rk3399_ddr_set_clk(struct rk3399_cru *cru,
/* clk_ddrc == DPLL = 24MHz / refdiv * fbdiv / postdiv1 / postdiv2 */
switch (set_rate) {
+ case 50 * MHz:
+ dpll_cfg = (struct pll_div)
+ {.refdiv = 1, .fbdiv = 12, .postdiv1 = 3, .postdiv2 = 2};
+ break;
case 200 * MHz:
dpll_cfg = (struct pll_div)
{.refdiv = 1, .fbdiv = 50, .postdiv1 = 6, .postdiv2 = 1};
_______________________________________________
U-Boot mailing list
[email protected]
https://lists.denx.de/listinfo/u-boot
