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nvmem: rockchip-otp: Add support for RK3528

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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@kwiboo.se>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Srinivas Kandagatla <srini@kernel.org>
Link: https://patch.msgid.link/20260327131751.3026030-10-srini@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jonas Karlman
2026-03-27 13:17:51 +00:00
committed by Greg Kroah-Hartman
parent 7efe11aace
commit a255f352b0
1 changed files with 16 additions and 0 deletions
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16
drivers/nvmem/rockchip-otp.c
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@@ -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,