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The patch supports the A9-mux clocks used by ClockGenA9
A9-mux clock : Multiplexer inside ClockGenA9. A9 clock can be driven by
either PLL or External clock (with an optional divide-by-2). This is
implemented as 3-parent clock : PLL, Ext-clk OR Ext-clk/2
Signed-off-by: Pankaj Dev <pankaj.dev@st.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The patch added support for DT registration of ClockGenA9/DDR/GPU
ClockgenA9/DDR : It includes c32 type PLL (also in ClockgenA1x), hence
only CLK_OF_DECLARE implementation is required.
ClockgenGPU : It includes c65 type PLL (also in ClockgenAx), hence
only CLK_OF_DECLARE implementation is required.
Signed-off-by: Pankaj Dev <pankaj.dev@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The patch supports the 216/432/660 type Quad Frequency Synthesizers
used by ClockGenB/C/D/E/F
QUADFS clock : It includes support for all 216/432/660 type Quad
Frequency Synthesizers : implemented as Fixed Parent / Rate / Gate clock,
with clock rate calculated reading H/w settings done at BOOT.
QuadFS have 4 outputs : chan0 chan1 chan2 chan3
Signed-off-by: Pankaj Dev <pankaj.dev@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The patch supports the VCC-mux and MUX clocks used by ClockGenC/F
VCC-mux clock : Divider-Multiplexer-Gate inside ClockGenC/F
It includes support for each channel : 4-parent Multiplexer, Post Divide
by 1, 2, 4 or 8, Gate to switch OFF the output channel. The clock is
implemented using generic clocks implemented in the kernel clk_divider, clk_mux,
clk_gate and clk_composite (to combine all)
MUX clock : 2-parent clock used inside ClockGenC/F. The clock is implemented
using generic clocks implemented in the kernel clk_mux.
Signed-off-by: Pankaj Dev <pankaj.dev@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The patch supports the c65/c32 type PLLs used by ClockGenA(s)
PLL clock : It includes support for all c65/c32 type PLLs
inside ClockGenA(s) : implemented as Fixed Parent / Fixed Rate clock,
with clock rate calculated reading H/w settings done at BOOT.
c65 PLLs have 2 outputs : HS and LS
c32 PLLs have 1-4 outputs : ODFx
Signed-off-by: Pankaj Dev <pankaj.dev@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The patch supports the DIVMUX and PreDiv clocks used by ClockGenA(s)
DIVMUX clock : Divider-Multiplexer-Gate inside ClockGenA(s)
It includes support for each channel : 3-parent Multiplexer,
Divider for each Parent, Gate to switch OFF the output channel. The
clock is implemented using generic clocks implemented in the kernel
clk_divider and clk_mux.
PreDiv clock : Fixed Divider Clock used inside ClockGenA(s) to divide
the oscillator clock by factor-of-16. The clock is implemented using
generic clocks implemented in the kernel clk_divider.
Signed-off-by: Pankaj Dev <pankaj.dev@st.com>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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