Commit d54d5e29 authored by Alice Guo's avatar Alice Guo Committed by Greg Kroah-Hartman
Browse files

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: default avatarAlice Guo <alice.guo@nxp.com>
Reviewed-by: default avatarPeng Fan <peng.fan@nxp.com>
Reviewed-by: default avatarFrank Li <Frank.Li@nxp.com>
Signed-off-by: default avatarSrinivas Kandagatla <srini@kernel.org>
Link: https://patch.msgid.link/20251114110636.143268-9-srini@kernel.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c7ea8ead

drivers/nvmem/imx-ocotp-ele.c

+20 −0
Original line number Diff line number Diff line
@@ -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, },

	{},

};