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From: srini@kernel.org
To: gregkh@linuxfoundation.org
Cc: linux-kernel@vger.kernel.org, Alice Guo <alice.guo@nxp.com>,
	Peng Fan <peng.fan@nxp.com>, Frank Li <Frank.Li@nxp.com>,
	Srinivas Kandagatla <srini@kernel.org>
Subject: [PATCH 8/8] nvmem: imx-ocotp-ele: Add i.MX94 OCOTP support
Date: Fri, 14 Nov 2025 11:06:36 +0000	[thread overview]
Message-ID: <20251114110636.143268-9-srini@kernel.org> (raw)
In-Reply-To: <20251114110636.143268-1-srini@kernel.org>

From: Alice Guo <alice.guo@nxp.com>

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>
---
 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, },
 	{},
 };
-- 
2.51.0


      parent reply	other threads:[~2025-11-14 11:07 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-14 11:06 [PATCH 0/8] nvmem: patches for 6.19 srini
2025-11-14 11:06 ` [PATCH 1/8] dt-bindings: nvmem: qfprom: Add sa8775p compatible srini
2025-11-14 11:06 ` [PATCH 2/8] dt-bindings: nvmem: Support MediaTek MT8189 evb board efuse srini
2025-11-14 11:06 ` [PATCH 3/8] nvmem: Add driver for the eeprom in qnap-mcu controllers srini
2025-11-26 13:42   ` Andy Shevchenko
2025-11-14 11:06 ` [PATCH 4/8] nvmem: layouts: u-boot-env: add optional "env-size" property srini
2025-11-14 11:06 ` [PATCH 5/8] dt-bindings: nvmem: mediatek: efuse: Add compatible for MT8189 SoC srini
2025-11-14 11:06 ` [PATCH 6/8] dt-bindings: nvmem: don't check node names srini
2025-11-14 11:06 ` [PATCH 7/8] dt-bindings: nvmem: imx-ocotp: Add support for i.MX94 srini
2025-11-14 11:06 ` srini [this message]

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