[PATCH v5 15/17] clk: sunxi-ng: a64: Add minimum rate for PLL_MIPI

Jagan Teki jagan at amarulasolutions.com
Mon Dec 10 16:17:27 UTC 2018


Minimum PLL used for MIPI is 500MHz, as per manual, 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 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
index 181b599dc163..b623c8150b4f 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
@@ -183,6 +183,7 @@ 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 */
 	.common		= {
 		.reg		= 0x040,
 		.hw.init	= CLK_HW_INIT("pll-mipi", "pll-video0",
-- 
2.18.0.321.gffc6fa0e3



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