[PATCH v2 0/4] clk: rockchip: allow adjusting pll rates on init
Kever Yang
kever.yang at rock-chips.com
Thu Nov 20 18:56:39 PST 2014
Hi Heiko,
On 11/21/2014 03:38 AM, Heiko Stuebner wrote:
> It was found that some firmware versions initialized the pll rates using
> suboptimal parameters to achieve frequencies the actual rate table contained
> better parameters for.
>
> Therefore this series first adds the possibility to create pll-specific flags
> and then adds a flag to adjust the pll rate on init to the parameters from
> the rate table.
>
> changes since v1:
> - move population of pll_mux before registering the core pll clock
> null pointer exception in the _set_rate callback when called from init
>
> Heiko Stuebner (4):
> clk: rockchip: add ability to specify pll-specific flags
> clk: rockchip: setup pll_mux data earlier
> clk: rockchip: add optional sync to pll rate parameters
> clk: rockchip: add ROCKCHIP_PLL_SYNC_RATE flag to some plls
>
> drivers/clk/rockchip/clk-pll.c | 81 +++++++++++++++++++++++++++++++--------
> drivers/clk/rockchip/clk-rk3188.c | 8 ++--
> drivers/clk/rockchip/clk-rk3288.c | 10 ++---
> drivers/clk/rockchip/clk.c | 3 +-
> drivers/clk/rockchip/clk.h | 13 ++++++-
> 5 files changed, 88 insertions(+), 27 deletions(-)
>
The PLLs may have different usage, so add the pll-specific flag make sense.
I have test this patch set on both rk3288 evb and rk3288 pinky.
For this series:
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>
Tested-by: Kever Yang <kever.yang at rock-chips.com>
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