[v4,22/26] clk: sunxi-ng: a64: Add min and max rate for PLL_MIPI
diff mbox series

Message ID 20181113111633.20189-23-jagan@amarulasolutions.com
State New
Headers show
Series
  • drm/sun4i: Allwinner A64 MIPI-DSI support
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Commit Message

Jagan Teki Nov. 13, 2018, 11:16 a.m. UTC 
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@amarulasolutions.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
---
 drivers/clk/sunxi-ng/ccu-sun50i-a64.c | 2 ++
 1 file changed, 2 insertions(+)

Patch
diff mbox series 

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",