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This flag is a no-op now. Remove usage of the flag.
Cc: Guo Zeng <Guo.Zeng@csr.com>
Cc: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The atlas7_rst_ops structure is never modified. Make it const.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Power management on of NoC(Notwork On Chip) requires that disconnect
and reconnect routine should been done during clk disable/enable.
also there are different types of clocks,
For NoC Macro clocks, write idle_bit and wait for hardward ACK;
For Socket clocks, write idle_bit;
For others, do nothing.
Signed-off-by: Guo Zeng <Guo.Zeng@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
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re-order the codes more reasonable by moving variable-definition
together.
Signed-off-by: Guo Zeng <Guo.Zeng@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
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PLL VCO frequency is given by Fvco = Fref * 2 * NF / NR
in integer-N mode, or by Fvco = Fref * SSN / NR in Spread
Spectrum (fractional-N) mode. Thus fix the missing part
of NR
Signed-off-by: Guo Zeng <guo.zeng@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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bit4 thcpum_cpudiv4_clken r/w
thcpum_cpudiv4_clk clock enable (default: 1)
Root clock CPU_CLK must be enabled for this clock to be enabled
bit3 coresight_tpiu_clken r/w
coresight_tpiu_clk clock enable (default: 0)
Root clock TPIU_CLK must be enabled for this clock to be enabled
Signed-off-by: Guo Zeng <guo.zeng@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Signed-off-by: Yibo Cai <yibo.cai@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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I cannot believe that I spend quite a lot time in finding this bug.
It seems a pitfall people tend to fall in.
In "int64 = int32 * int32", conversion from 32-bits to 64-bits comes
after the multiplication. So this statement may not work as expected.
Signed-off-by: Yibo Cai <yibo.cai@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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this patch makes mux clks can be referenced by device drivers.
Signed-off-by: Guo Zeng <guo.zeng@csr.com>
Signed-off-by: Barry Song <Barry.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Signed-off-by: Guo Zeng <Guo.Zeng@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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We're removing struct clk from the clk provider API, so switch
this code to using the clk_hw based provider APIs.
Cc: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Clock provider drivers generally shouldn't include clk.h because
it's the consumer API. Move the include of clk.h into
clk-common.c because that's the only file that's really using
clk.h, even if it's included into the atlas6 and prima2 files.
Cc: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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the hardware node includes both clock and reset support, so it
is named as "car".
this patch implements Flexible clocks(mux, divider, gate), Selectable
clock(mux, divider, gate), root clock(gate),leaf clock(gate), others.
it also implements the reset controller functionality.
Signed-off-by: Zhiwu Song <Zhiwu.Song@csr.com>
Signed-off-by: Guo Zeng <Guo.Zeng@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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These are __iomem pointers. Mark them appropriately so we don't
get sparse errors like
drivers/clk/sirf/clk-common.c:60:16: warning: incorrect type in argument 1 (different address spaces)
drivers/clk/sirf/clk-common.c:60:16: expected void const volatile [noderef] <asn:2>*addr
drivers/clk/sirf/clk-common.c:60:16: got void *
Cc: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The array of parent names can be made as array of const pointers to
const strings.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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sirfprima2 and sirfatlas6 are two different SoCs in CSR SiRF series. for
prima2 and atlas6, there are many shared clocks but there are still
some different register layout and hardware clocks, then result in
different clock table.
here we re-arch the driver to
1. clk-common.c provides common clocks for prima2 and atlas6,
2. clk-prima2.h describles registers of prima2 and clk-prima2.c provides
prima2 specific clocks and clock table.
3. clk-atlas6.h describles registers of atlas6 and clk-atlas6.c provides
atlas6 specific clocks and clock table.
4. clk.h and clk.c expose external interfaces and provide uniform entry
for both prima2 and atlas6.
so both prima2 and atlas6 will get support by drivers/clk/sirf.
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Rongjun Ying <Rongjun.Ying@csr.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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