[PATCH v11 4/6] clk: spacemit: define three reset-only CCUs

From: Alex Elder
Date: Thu Jun 12 2025 - 21:13:42 EST


Three CCUs on the SpacemiT K1 SoC implement only resets, not clocks.
Define the CCU data for these resets so their auxiliary devices get
created.

Signed-off-by: Alex Elder <elder@xxxxxxxxxxxx>
Reviewed-by: Yixun Lan <dlan@xxxxxxxxxx>
---
drivers/clk/spacemit/ccu-k1.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/drivers/clk/spacemit/ccu-k1.c b/drivers/clk/spacemit/ccu-k1.c
index 1c9ed434ae93e..f9e2200d1fd04 100644
--- a/drivers/clk/spacemit/ccu-k1.c
+++ b/drivers/clk/spacemit/ccu-k1.c
@@ -943,6 +943,18 @@ static const struct spacemit_ccu_data k1_ccu_apmu_data = {
.num = ARRAY_SIZE(k1_ccu_apmu_hws),
};

+static const struct spacemit_ccu_data k1_ccu_rcpu_data = {
+ .reset_name = "rcpu-reset",
+};
+
+static const struct spacemit_ccu_data k1_ccu_rcpu2_data = {
+ .reset_name = "rcpu2-reset",
+};
+
+static const struct spacemit_ccu_data k1_ccu_apbc2_data = {
+ .reset_name = "apbc2-reset",
+};
+
static int spacemit_ccu_register(struct device *dev,
struct regmap *regmap,
struct regmap *lock_regmap,
@@ -1121,6 +1133,18 @@ static const struct of_device_id of_k1_ccu_match[] = {
.compatible = "spacemit,k1-syscon-apmu",
.data = &k1_ccu_apmu_data,
},
+ {
+ .compatible = "spacemit,k1-syscon-rcpu",
+ .data = &k1_ccu_rcpu_data,
+ },
+ {
+ .compatible = "spacemit,k1-syscon-rcpu2",
+ .data = &k1_ccu_rcpu2_data,
+ },
+ {
+ .compatible = "spacemit,k1-syscon-apbc2",
+ .data = &k1_ccu_apbc2_data,
+ },
{ }
};
MODULE_DEVICE_TABLE(of, of_k1_ccu_match);
--
2.45.2