nvmem: rockchip-otp: add rk3576 variant data

[ Upstream commit 50d75a13a9ce880a5ef07a4ccc63ba561cc2e69a ]

The variant works very similar to the rk3588, just with a different
read-offset and size.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20250411112251.68002-5-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/nvmem/rockchip-otp.c b/drivers/nvmem/rockchip-otp.c
index a0252ac867bf7c528f12402ea6a5a54c3ffd5404..c6684ab14e742e80ac5697b28fa6883f5e6b406d 100644 (file)
--- a/drivers/nvmem/rockchip-otp.c
+++ b/drivers/nvmem/rockchip-otp.c
@@ -273,6 +273,14 @@ static const struct rockchip_data px30_data = {
        .reg_read = px30_otp_read,
 };
 
+static const struct rockchip_data rk3576_data = {
+       .size = 0x100,
+       .read_offset = 0x700,
+       .clks = px30_otp_clocks,
+       .num_clks = ARRAY_SIZE(px30_otp_clocks),
+       .reg_read = rk3588_otp_read,
+};
+
 static const char * const rk3588_otp_clocks[] = {
        "otp", "apb_pclk", "phy", "arb",
 };
@@ -294,6 +302,10 @@ static const struct of_device_id rockchip_otp_match[] = {
                .compatible = "rockchip,rk3308-otp",
                .data = &px30_data,
        },
+       {
+               .compatible = "rockchip,rk3576-otp",
+               .data = &rk3576_data,
+       },
        {
                .compatible = "rockchip,rk3588-otp",
                .data = &rk3588_data,