nvmem: imx: ocotp: add i.MX8MP support

i.MX8MP has 96 banks with each bank 4 words. And it has different
ctrl register layout, so add new macros for that.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20200310132257.23358-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c
index 4ba9cc8..7948580 100644 (file)
--- a/drivers/nvmem/imx-ocotp.c
+++ b/drivers/nvmem/imx-ocotp.c
@@ -44,6 +44,11 @@
 #define IMX_OCOTP_BM_CTRL_ERROR                0x00000200
 #define IMX_OCOTP_BM_CTRL_REL_SHADOWS  0x00000400
 
+#define IMX_OCOTP_BM_CTRL_ADDR_8MP             0x000001FF
+#define IMX_OCOTP_BM_CTRL_BUSY_8MP             0x00000200
+#define IMX_OCOTP_BM_CTRL_ERROR_8MP            0x00000400
+#define IMX_OCOTP_BM_CTRL_REL_SHADOWS_8MP      0x00000800
+
 #define IMX_OCOTP_BM_CTRL_DEFAULT                              \
        {                                                       \
                .bm_addr = IMX_OCOTP_BM_CTRL_ADDR,              \
@@ -52,6 +57,14 @@
                .bm_rel_shadows = IMX_OCOTP_BM_CTRL_REL_SHADOWS,\
        }
 
+#define IMX_OCOTP_BM_CTRL_8MP                                  \
+       {                                                       \
+               .bm_addr = IMX_OCOTP_BM_CTRL_ADDR_8MP,          \
+               .bm_busy = IMX_OCOTP_BM_CTRL_BUSY_8MP,          \
+               .bm_error = IMX_OCOTP_BM_CTRL_ERROR_8MP,        \
+               .bm_rel_shadows = IMX_OCOTP_BM_CTRL_REL_SHADOWS_8MP,\
+       }
+
 #define TIMING_STROBE_PROG_US          10      /* Min time to blow a fuse */
 #define TIMING_STROBE_READ_NS          37      /* Min time before read */
 #define TIMING_RELAX_NS                        17
@@ -520,6 +533,13 @@ static const struct ocotp_params imx8mn_params = {
        .ctrl = IMX_OCOTP_BM_CTRL_DEFAULT,
 };
 
+static const struct ocotp_params imx8mp_params = {
+       .nregs = 384,
+       .bank_address_words = 0,
+       .set_timing = imx_ocotp_set_imx6_timing,
+       .ctrl = IMX_OCOTP_BM_CTRL_8MP,
+};
+
 static const struct of_device_id imx_ocotp_dt_ids[] = {
        { .compatible = "fsl,imx6q-ocotp",  .data = &imx6q_params },
        { .compatible = "fsl,imx6sl-ocotp", .data = &imx6sl_params },
@@ -532,6 +552,7 @@ static const struct of_device_id imx_ocotp_dt_ids[] = {
        { .compatible = "fsl,imx8mq-ocotp", .data = &imx8mq_params },
        { .compatible = "fsl,imx8mm-ocotp", .data = &imx8mm_params },
        { .compatible = "fsl,imx8mn-ocotp", .data = &imx8mn_params },
+       { .compatible = "fsl,imx8mp-ocotp", .data = &imx8mp_params },
        { },
 };
 MODULE_DEVICE_TABLE(of, imx_ocotp_dt_ids);