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-rw-r--r--drivers/clk/rockchip/clk-rk3399.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c
index 291543f52caa..b6742fad3f8d 100644
--- a/drivers/clk/rockchip/clk-rk3399.c
+++ b/drivers/clk/rockchip/clk-rk3399.c
@@ -1498,6 +1498,7 @@ static void __init rk3399_clk_init(struct device_node *np)
{
struct rockchip_clk_provider *ctx;
void __iomem *reg_base;
+ struct clk *clk;
reg_base = of_iomap(np, 0);
if (!reg_base) {
@@ -1511,6 +1512,14 @@ static void __init rk3399_clk_init(struct device_node *np)
return;
}
+ /* Watchdog pclk is controlled by RK3399 SECURE_GRF_SOC_CON3[8]. */
+ clk = clk_register_fixed_factor(NULL, "pclk_wdt", "pclk_alive", 0, 1, 1);
+ if (IS_ERR(clk))
+ pr_warn("%s: could not register clock pclk_wdt: %ld\n",
+ __func__, PTR_ERR(clk));
+ else
+ rockchip_clk_add_lookup(ctx, clk, PCLK_WDT);
+
rockchip_clk_register_plls(ctx, rk3399_pll_clks,
ARRAY_SIZE(rk3399_pll_clks), -1);
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