The R-Car Gen3 HardWare Manual Errata for Rev. 0.80 (Feb 28, 2018) added
the CPEX clock on R-Car D3. This clock can be selected as a clock
source for CMT1 (Compare Match Timer Type 1).
Add the missing clock to the DT bindings header, and implement support
for it in the clock driver.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
drivers/clk/renesas/r8a77995-cpg-mssr.c | 3 ++-
include/dt-bindings/clock/r8a77995-cpg-mssr.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/renesas/r8a77995-cpg-mssr.c b/drivers/clk/renesas/r8a77995-cpg-mssr.c
index f2636a34c96c08ca..b9745665731fac7e 100644
--- a/drivers/clk/renesas/r8a77995-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a77995-cpg-mssr.c
@@ -22,7 +22,7 @@
enum clk_ids {
/* Core Clock Outputs exported to DT */
- LAST_DT_CORE_CLK = R8A77995_CLK_CP,
+ LAST_DT_CORE_CLK = R8A77995_CLK_CPEX,
/* External Input Clocks */
CLK_EXTAL,
@@ -92,6 +92,7 @@ static const struct cpg_core_clk r8a77995_core_clks[] __initconst = {
DEF_FIXED("cl", R8A77995_CLK_CL, CLK_PLL1, 48, 1),
DEF_FIXED("cp", R8A77995_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_FIXED("cpex", R8A77995_CLK_CPEX, CLK_EXTAL, 4, 1),
DEF_DIV6_RO("osc", R8A77995_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8),
diff --git a/include/dt-bindings/clock/r8a77995-cpg-mssr.h b/include/dt-bindings/clock/r8a77995-cpg-mssr.h
index 80b3c5ec9118b544..fd701c4e87cf0e22 100644
--- a/include/dt-bindings/clock/r8a77995-cpg-mssr.h
+++ b/include/dt-bindings/clock/r8a77995-cpg-mssr.h
@@ -49,5 +49,6 @@
#define R8A77995_CLK_LV0 38
#define R8A77995_CLK_LV1 39
#define R8A77995_CLK_CP 40
+#define R8A77995_CLK_CPEX 41
#endif /* __DT_BINDINGS_CLOCK_R8A77995_CPG_MSSR_H__ */
--
2.17.1
