diff mbox series

[1/5] clk: renesas: r8a779f0: Add WDT clock

Message ID 8d9b280065a663f2cf31db7b21a010aa781a0af1.1642525158.git.geert+renesas@glider.be
State Accepted
Commit 78789705581dcb2138302de11dce2ee2642e758e
Headers show
Series arm64: renesas: Add R-Car S4-8 watchdog support on Spider | expand

Commit Message

Geert Uytterhoeven Jan. 18, 2022, 5:09 p.m. UTC 
Add the module clock used by the RCLK Watchdog Timer (RWDT) on the
Renesas R-Car S4-8 (r8a779f0) SoC.  Mark it as a critical clock, to
ensure uninterrupted watchdog operation.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 drivers/clk/renesas/r8a779f0-cpg-mssr.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/drivers/clk/renesas/r8a779f0-cpg-mssr.c b/drivers/clk/renesas/r8a779f0-cpg-mssr.c
index 4100078406d67073..e48c5af7341454a7 100644
--- a/drivers/clk/renesas/r8a779f0-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a779f0-cpg-mssr.c
@@ -121,6 +121,11 @@  static const struct mssr_mod_clk r8a779f0_mod_clks[] __initconst = {
 	DEF_MOD("scif4",	705,	R8A779F0_CLK_S0D12_PER),
 	DEF_MOD("sys-dmac0",	709,	R8A779F0_CLK_S0D3_PER),
 	DEF_MOD("sys-dmac1",	710,	R8A779F0_CLK_S0D3_PER),
+	DEF_MOD("wdt",		907,	R8A779F0_CLK_R),
+};
+
+static const unsigned int r8a779f0_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(907),	/* WDT */
 };
 
 /*
@@ -177,6 +182,10 @@  const struct cpg_mssr_info r8a779f0_cpg_mssr_info __initconst = {
 	.num_mod_clks = ARRAY_SIZE(r8a779f0_mod_clks),
 	.num_hw_mod_clks = 28 * 32,
 
+	/* Critical Module Clocks */
+	.crit_mod_clks = r8a779f0_crit_mod_clks,
+	.num_crit_mod_clks = ARRAY_SIZE(r8a779f0_crit_mod_clks),
+
 	/* Callbacks */
 	.init = r8a779f0_cpg_mssr_init,
 	.cpg_clk_register = rcar_gen4_cpg_clk_register,