summaryrefslogtreecommitdiff
path: root/drivers/clk
diff options
context:
space:
mode:
authorGeert Uytterhoeven <geert+renesas@glider.be>2022-10-07 15:10:00 +0200
committerGeert Uytterhoeven <geert+renesas@glider.be>2022-10-18 08:58:06 +0200
commitba5284ebe497044f37c9bb9c7b1564932f4b6610 (patch)
tree1faaa860b92664bfaeebb6deb7bf0a98bc672c4b /drivers/clk
parent9abf2313adc1ca1b6180c508c25f22f9395cc780 (diff)
clk: renesas: r8a779g0: Add SASYNCPER clocks
On R-Car V4H, all PLLs except PLL5 support Spread Spectrum and/or Fractional Multiplication to reduce electromagnetic interference. Add the SASYNCPER and SASYNCPERD[124] clocks, which are used as clock sources for modules that must not be affected by Spread Spectrum and/or Fractional Multiplication. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/d0f35c35e1f96c5a649ab477e7ba5d8025957cd0.1665147497.git.geert+renesas@glider.be
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/renesas/r8a779g0-cpg-mssr.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/clk/renesas/r8a779g0-cpg-mssr.c b/drivers/clk/renesas/r8a779g0-cpg-mssr.c
index 9641122133b5..3e8c93facfa1 100644
--- a/drivers/clk/renesas/r8a779g0-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a779g0-cpg-mssr.c
@@ -47,6 +47,7 @@ enum clk_ids {
CLK_S0_VIO,
CLK_S0_VC,
CLK_S0_HSC,
+ CLK_SASYNCPER,
CLK_SV_VIP,
CLK_SV_IR,
CLK_SDSRC,
@@ -84,6 +85,7 @@ static const struct cpg_core_clk r8a779g0_core_clks[] __initconst = {
DEF_FIXED(".s0_vio", CLK_S0_VIO, CLK_PLL1_DIV2, 2, 1),
DEF_FIXED(".s0_vc", CLK_S0_VC, CLK_PLL1_DIV2, 2, 1),
DEF_FIXED(".s0_hsc", CLK_S0_HSC, CLK_PLL1_DIV2, 2, 1),
+ DEF_FIXED(".sasyncper", CLK_SASYNCPER, CLK_PLL5_DIV4, 3, 1),
DEF_FIXED(".sv_vip", CLK_SV_VIP, CLK_PLL1, 5, 1),
DEF_FIXED(".sv_ir", CLK_SV_IR, CLK_PLL1, 5, 1),
DEF_BASE(".sdsrc", CLK_SDSRC, CLK_TYPE_GEN4_SDSRC, CLK_PLL5),
@@ -128,6 +130,9 @@ static const struct cpg_core_clk r8a779g0_core_clks[] __initconst = {
DEF_FIXED("s0d4_hsc", R8A779G0_CLK_S0D4_HSC, CLK_S0_HSC, 4, 1),
DEF_FIXED("cl16m_hsc", R8A779G0_CLK_CL16M_HSC, CLK_S0_HSC, 48, 1),
DEF_FIXED("s0d2_cc", R8A779G0_CLK_S0D2_CC, CLK_S0, 2, 1),
+ DEF_FIXED("sasyncperd1",R8A779G0_CLK_SASYNCPERD1, CLK_SASYNCPER,1, 1),
+ DEF_FIXED("sasyncperd2",R8A779G0_CLK_SASYNCPERD2, CLK_SASYNCPER,2, 1),
+ DEF_FIXED("sasyncperd4",R8A779G0_CLK_SASYNCPERD4, CLK_SASYNCPER,4, 1),
DEF_FIXED("svd1_ir", R8A779G0_CLK_SVD1_IR, CLK_SV_IR, 1, 1),
DEF_FIXED("svd2_ir", R8A779G0_CLK_SVD2_IR, CLK_SV_IR, 2, 1),
DEF_FIXED("svd1_vip", R8A779G0_CLK_SVD1_VIP, CLK_SV_VIP, 1, 1),