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viresh.kumar@st.com email-id doesn't exist anymore as I have left the
company. Replace ST's id with viresh.linux@gmail.com.
It also updates .mailmap file to fix address for 'git shortlog'
Signed-off-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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All SPEAr SoC's contain GPT Synthesizers. Their Fout is derived from
following equations:
Fout= Fin/((2 ^ (N+1)) * (M+1))
This patch adds in support for this type of clock.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
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All SPEAr SoC's contain Fractional Synthesizers. Their Fout is derived from
following equations:
Fout = Fin / (2 * div) (division factor)
div is 17 bits:-
0-13 (fractional part)
14-16 (integer part)
div is (16-14 bits).(13-0 bits) (in binary)
Fout = Fin/(2 * div)
Fout = ((Fin / 10000)/(2 * div)) * 10000
Fout = (2^14 * (Fin / 10000)/(2^14 * (2 * div))) * 10000
Fout = (((Fin / 10000) << 14)/(2 * (div << 14))) * 10000
div << 14 is simply 17 bit value written at register.
This patch adds in support for this type of clock.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
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All SPEAr SoC's contain Auxiliary Synthesizers. Their Fout is derived based on
values of eq, x and y.
Fout from synthesizer can be given from two equations:
Fout1 = (Fin * X/Y)/2 EQ1
Fout2 = Fin * X/Y EQ2
This patch adds in support for this type of clock.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
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All SPEAr SoC's contain PLLs. Their Fout is derived based on following equations
- In normal mode
vco = (2 * M[15:8] * Fin)/N
- In Dithered mode
vco = (2 * M[15:0] * Fin)/(256 * N)
pll_rate = vco/2^p
vco and pll are very closely bound to each other,
"vco needs to program: mode, m & n" and "pll needs to program p",
both share common enable/disable logic and registers.
This patch adds in support for this type of clock.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
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