[PATCH v4 6/6] nvmem: rockchip-otp: Add support for RK3528
Heiko Stuebner
heiko at sntech.de
Thu Feb 5 13:19:01 PST 2026
From: Jonas Karlman <jonas at kwiboo.se>
Add support for the OTP controller in RK3528. The OTPC is similar to the
OTPC in RK3562 and RK3568, exept for a missing phy clock and reset.
Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Signed-off-by: Heiko Stuebner <heiko at sntech.de>
---
drivers/nvmem/rockchip-otp.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/nvmem/rockchip-otp.c b/drivers/nvmem/rockchip-otp.c
index 62ce22d72586..0ec78b5e19e7 100644
--- a/drivers/nvmem/rockchip-otp.c
+++ b/drivers/nvmem/rockchip-otp.c
@@ -333,6 +333,18 @@ static const struct rockchip_data px30_data = {
.reg_read = px30_otp_read,
};
+static const char * const rk3528_otp_clocks[] = {
+ "otp", "apb_pclk", "sbpi",
+};
+
+static const struct rockchip_data rk3528_data = {
+ .size = 0x80,
+ .word_size = sizeof(u16),
+ .clks = rk3528_otp_clocks,
+ .num_clks = ARRAY_SIZE(rk3528_otp_clocks),
+ .reg_read = rk3568_otp_read,
+};
+
static const char * const rk3568_otp_clocks[] = {
"otp", "apb_pclk", "phy", "sbpi",
};
@@ -376,6 +388,10 @@ static const struct of_device_id rockchip_otp_match[] = {
.compatible = "rockchip,rk3308-otp",
.data = &px30_data,
},
+ {
+ .compatible = "rockchip,rk3528-otp",
+ .data = &rk3528_data,
+ },
{
.compatible = "rockchip,rk3562-otp",
.data = &rk3568_data,
--
2.47.2
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