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UART3 clock rate is doubled in previous commit.
This error is not detected until recently a mezzanine board which makes
real use of uart3 port (through LS connector of 96boards) was setup
and tested on hi3660-hikey960 board.
This patch changes clock source rate of clk_factor_uart3 to 100000000.
Signed-off-by: Zhong Kaihua <zhongkaihua@huawei.com>
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Set PPLL2 to 2880M. With this patch, we saw better compatibility
on various 1080p HDMI monitors.
Signed-off-by: Zhong Kaihua <zhongkaihua@huawei.com>
Signed-off-by: Zheng Shaobo <zhengshaobo1@huawei.com>
Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org>
[sboyd@codeaurora.org: Add UL to long number to silence C90
warning]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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This patch adds more clocks for hi3660, including:
- video encoder and decoder
- ISP (Image Signal Processing)
Signed-off-by: Chen Jun <chenjun14@huawei.com>
Signed-off-by: Zhong Kaihua <zhongkaihua@huawei.com>
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Reviewed-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Parent name of clk_mux_sysbus is not correct. This patch fixes it.
Signed-off-by: Chen Jun <chenjun14@huawei.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The timer will register into system at very early phase at kernel boot;
if timer needs to use clock, the clock should be get ready in function
of_clk_init() so later the timer driver probe can retrieve clock
successfully. This is finished in below flow on arm64:
start_kernel()
`-> time_init()
`-> of_clk_init(NULL) => register timer's clock
`-> clocksource_probe() => register timer
On Hi3660 the sp804 timer uses clock "osc32k", this clock is registered
as platform driver rather than CLK_OF_DECLARE_DRIVER method. As result,
sp804 timer probe returns failure due if cannot bind clock properly.
To fix the failure, this patch is to split crgctrl clocks into two
subsets. One part is for fixed_rate_clks which includes pre-defined
fixed rate clocks, and "osc32k" clock is in this category; So we change
their registration to CLK_OF_DECLARE_DRIVER method, as result the clocks
can be registered ahead with function of_clk_init() and timer driver can
bind timer clock successfully; the rest of the crgctrl clocks are still
registered by the probe of the platform driver.
This patch also adds checking for all crgctrl clocks registration and
print out log if any clock has failure.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Add clock drivers for hi3660 SoC, this driver controls the SoC
registers to supply different clocks to different IPs in the SoC.
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
[sboyd@codeaurora.org: Simplify probe with function pointer]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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