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The firmware sets BIT(13) in clkflag to mark a divider as fractional
divider. The clock driver copies the clkflag straight to the flags of
the common clock framework. In the common clk framework flags, BIT(13)
is defined as CLK_DUTY_CYCLE_PARENT.
Add a new field to the zynqmp_clk_divider to specify if a divider is a
fractional devider. Set this field based on the clkflag when registering
a divider.
At the same time, unset BIT(13) from clkflag when copying the flags to
the common clk framework flags.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The zynqmp_clk_register_* functions are internal functions of the
driver. Only clkc.c uses these functions to register these clocks.
Therefore, there is no need to export these functions.
The gate and pll already don't export their register_* functions.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Zero divider is valid and default for some of ZynqMP
clocks. Allow zero divisor when CLK_DIVIDER_ALLOW_ZERO
for the clock is set.
Signed-off-by: Rajan Vaja <rajanv@xilinx.com>
Signed-off-by: Jolly Shah <jollys@xilinx.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This patch adds CCF compliant clock driver for ZynqMP.
Clock driver queries supported clock information from
firmware and regiters pll and output clocks with CCF.
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Tejas Patel <tejasp@xilinx.com>
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Acked-by: Olof Johansson <olof@lixom.net>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Michael Tretter
Rajan Vaja
Jolly Shah