[PATCH v4 22/26] clk: sunxi-ng: a64: Add min and max rate for PLL_MIPI
Jagan Teki
jagan at amarulasolutions.com
Tue Nov 13 11:16:29 UTC 2018
Manual noted to use PLL_MIPI rate 500MHz to 1.4GHz,
but lowering the min rate by 300MHz can result proper
working nkms divider with the help of desired dclock
rate from panel driver.
Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
Acked-by: Stephen Boyd <sboyd at kernel.org>
---
drivers/clk/sunxi-ng/ccu-sun50i-a64.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
index 019d67bf97c4..5a3a5b821f8b 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
@@ -167,6 +167,8 @@ static struct ccu_nkm pll_mipi_clk = {
.n = _SUNXI_CCU_MULT(8, 4),
.k = _SUNXI_CCU_MULT_MIN(4, 2, 2),
.m = _SUNXI_CCU_DIV(0, 4),
+ .min_rate = 300000000, /* Actual rate is 500MHz */
+ .max_rate = 1400000000UL,
.common = {
.reg = 0x040,
.hw.init = CLK_HW_INIT("pll-mipi", "pll-video0",
--
2.18.0.321.gffc6fa0e3
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