diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2022-11-03 17:34:37 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2022-11-08 16:23:59 +0300 |
| commit | c258e3ab639112d8f5ae9df9a873750ae2623ce2 (patch) | |
| tree | ef9cc863171040a73e51c3ca14db951d3d9e631f /drivers/clk/renesas/r8a779f0-cpg-mssr.c | |
| parent | 02693e11611e082e3c4d8653e8af028e43d31164 (diff) | |
| download | linux-c258e3ab639112d8f5ae9df9a873750ae2623ce2.tar.xz | |
clk: renesas: r8a779f0: Fix HSCIF parent clocks
As serial communication requires a clean clock signal, the High Speed
Serial Communication Interfaces with FIFO (HSCIF) are clocked by a clock
that is not affected by Spread Spectrum or Fractional Multiplication.
Hence change the parent clocks for the HSCIF modules from the S0D3_PER
clock to the SASYNCPERD1 clock (which has the same clock rate), cfr.
R-Car S4-8 Hardware User's Manual rev. 0.81.
Fixes: 080bcd8d5997 ("clk: renesas: r8a779f0: Add HSCIF clocks")
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20221103143440.46449-2-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers/clk/renesas/r8a779f0-cpg-mssr.c')
| -rw-r--r-- | drivers/clk/renesas/r8a779f0-cpg-mssr.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/clk/renesas/r8a779f0-cpg-mssr.c b/drivers/clk/renesas/r8a779f0-cpg-mssr.c index e4f2bbbfeb2d..fd1462425316 100644 --- a/drivers/clk/renesas/r8a779f0-cpg-mssr.c +++ b/drivers/clk/renesas/r8a779f0-cpg-mssr.c @@ -128,10 +128,10 @@ static const struct cpg_core_clk r8a779f0_core_clks[] __initconst = { }; static const struct mssr_mod_clk r8a779f0_mod_clks[] __initconst = { - DEF_MOD("hscif0", 514, R8A779F0_CLK_S0D3), - DEF_MOD("hscif1", 515, R8A779F0_CLK_S0D3), - DEF_MOD("hscif2", 516, R8A779F0_CLK_S0D3), - DEF_MOD("hscif3", 517, R8A779F0_CLK_S0D3), + DEF_MOD("hscif0", 514, R8A779F0_CLK_SASYNCPERD1), + DEF_MOD("hscif1", 515, R8A779F0_CLK_SASYNCPERD1), + DEF_MOD("hscif2", 516, R8A779F0_CLK_SASYNCPERD1), + DEF_MOD("hscif3", 517, R8A779F0_CLK_SASYNCPERD1), DEF_MOD("i2c0", 518, R8A779F0_CLK_S0D6_PER), DEF_MOD("i2c1", 519, R8A779F0_CLK_S0D6_PER), DEF_MOD("i2c2", 520, R8A779F0_CLK_S0D6_PER), |