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Ensures RWDT remains alert throughout the boot process if enabled.
This patch applies the change to the following SoCs: r8a77950, r8a77951,
r8a77960, r8a77961, r8a77965, r8a77970, r8a77980, r8a77990 and r8a77995.
Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
Link: https://lore.kernel.org/r/20200616162626.27944-3-uli+renesas@fpond.eu
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Testing has shown that the RPC-IF module clock's parent is the RPCD2
clock, not the RPC one -- the RPC-IF register reads stall otherwise...
Fixes: 94e3935b5756 ("clk: renesas: r8a77980: Add RPC clocks")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Describe the RPCSRC internal clock and the RPC[D2] clocks derived from it,
as well as the RPC-IF module clock, in the R-Car V3H (R8A77980) CPG/MSSR
driver.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Now that RCLK has been added by Geert, we can add the CMT module clocks.
Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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On R-Car V3H, RCLK can be switched between EXTALR and the On-Chip
Oscillator using mode pin MD19.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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R-Car Gen3 Hardware Manual Rev.0.54 documents the relation between the
MD13 and MD14 mode pins, and the OSC EXTAL predivider, as used by the
OSC clock. Hence augment the configuration structure with all
documented predivider values.
Add the OSC clock using the configured predivider.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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According to the R-Car Gen3 Hardware Manual Errata for Rev 0.80 of
December 22, 2017, the parent clock of the PCIe module clock on R-Car
V3H is S2D2.
Fixes: ce15783c510a9905 ("clk: renesas: cpg-mssr: add R8A77980 support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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Add R-Car V3H (R8A77980) Clock Pulse Generator / Module Standby and
Software Reset support, using the CPG/MSSR driver core and the common
R-Car Gen3 code.
Based on the original (and large) patch by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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