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authorAlice Guo <alice.guo@nxp.com>2025-11-14 11:06:36 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-11-24 18:06:22 +0100
commitd54d5e294c9febba9389b03a12fbae2fab9c8f6b (patch)
treea1e406337c42d3ab86281a825f856b48efcb177f
parentc7ea8eadd5d35311a2529f9f15095ac37dd9e2e3 (diff)
nvmem: imx-ocotp-ele: Add i.MX94 OCOTP support
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 <alice.guo@nxp.com> Reviewed-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Frank Li <Frank.Li@nxp.com> Signed-off-by: Srinivas Kandagatla <srini@kernel.org> Link: https://patch.msgid.link/20251114110636.143268-9-srini@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/nvmem/imx-ocotp-ele.c20
1 files changed, 20 insertions, 0 deletions
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, },
{},
};