[PATCH v2 2/3] nvmem: imx-ocotp-ele: Add i.MX94 OCOTP support
From: <hidden>
Date: 2025-10-20 10:51:52
Also in:
imx, linux-devicetree, lkml
Subsystem:
nvmem framework, the rest · Maintainers:
Srinivas Kandagatla, Linus Torvalds
From: Alice Guo <redacted> Add OCOTP device type for i.MX94, including register offset, total size, and fuse layout. This enables NVMEM access to the eFuse of i.MX94. Signed-off-by: Alice Guo <redacted> Reviewed-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Frank Li <Frank.Li@nxp.com> --- drivers/nvmem/imx-ocotp-ele.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/drivers/nvmem/imx-ocotp-ele.c b/drivers/nvmem/imx-ocotp-ele.c
index 7807ec0e2d18..7cf7e809a8f5 100644
--- a/drivers/nvmem/imx-ocotp-ele.c
+++ b/drivers/nvmem/imx-ocotp-ele.c@@ -186,6 +186,25 @@ static const struct ocotp_devtype_data imx93_ocotp_data = { }, }; +static const struct ocotp_devtype_data imx94_ocotp_data = { + .reg_off = 0x8000, + .reg_read = imx_ocotp_reg_read, + .size = 3296, /* 103 Banks */ + .num_entry = 10, + .entry = { + { 0, 1, FUSE_FSB | FUSE_ECC }, + { 7, 1, FUSE_FSB | FUSE_ECC }, + { 9, 3, FUSE_FSB | FUSE_ECC }, + { 12, 24, FUSE_FSB }, + { 36, 2, FUSE_FSB | FUSE_ECC }, + { 38, 14, FUSE_FSB }, + { 59, 1, FUSE_ELE }, + { 525, 2, FUSE_FSB | FUSE_ECC }, + { 528, 7, FUSE_FSB }, + { 536, 280, FUSE_FSB }, + }, +}; + static const struct ocotp_devtype_data imx95_ocotp_data = { .reg_off = 0x8000, .reg_read = imx_ocotp_reg_read,
@@ -209,6 +228,7 @@ static const struct ocotp_devtype_data imx95_ocotp_data = { static const struct of_device_id imx_ele_ocotp_dt_ids[] = { { .compatible = "fsl,imx93-ocotp", .data = &imx93_ocotp_data, }, + { .compatible = "fsl,imx94-ocotp", .data = &imx94_ocotp_data, }, { .compatible = "fsl,imx95-ocotp", .data = &imx95_ocotp_data, }, {}, };
--
2.43.0