From d54d5e294c9febba9389b03a12fbae2fab9c8f6b Mon Sep 17 00:00:00 2001 From: Alice Guo Date: Fri, 14 Nov 2025 11:06:36 +0000 Subject: [PATCH] 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 Reviewed-by: Peng Fan Reviewed-by: Frank Li Signed-off-by: Srinivas Kandagatla Link: https://patch.msgid.link/20251114110636.143268-9-srini@kernel.org Signed-off-by: Greg Kroah-Hartman --- 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 7807ec0e2d18d..7cf7e809a8f51 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, }, {}, }; -- 2.47.3