drivers: hwinfo: Add support for MIMXRT1180

Add HWINFO support for MIMXRT1180

Signed-off-by: Mahesh Mahadevan <[email protected]>

Author: mmahadevan108

boards/nxp/mimxrt1180_evk/doc/index.rst

@@ -126,6 +126,8 @@ configuration supports the following hardware features:
 +-----------+------------+-------------------------------------+
 | RTWDOG    | on-chip    | rtwdog                              |
 +-----------+------------+-------------------------------------+
+| HWINFO    | on-chip    | Unique device serial number         |
++-----------+------------+-------------------------------------+
 
 The default configuration can be found in the defconfig file:
 :zephyr_file:`boards/nxp/mimxrt1180_evk/mimxrt1180_evk_mimxrt1189_cm33_defconfig`

drivers/hwinfo/Kconfig

@@ -122,7 +122,7 @@ config HWINFO_MCUX_SYSCON
 config HWINFO_IMXRT
 	bool "NXP i.mx RT device ID"
 	default y
-	depends on SOC_SERIES_IMXRT10XX || SOC_SERIES_IMXRT11XX
+	depends on SOC_SERIES_IMXRT10XX || SOC_SERIES_IMXRT11XX || SOC_SERIES_IMXRT118X
 	select HWINFO_HAS_DRIVER
 	help
 	  Enable NXP i.mx RT hwinfo driver.

drivers/hwinfo/hwinfo_imxrt.c

@@ -10,7 +10,11 @@
 #include <zephyr/sys/byteorder.h>
 
 struct imxrt_uid {
+#if CONFIG_SOC_SERIES_IMXRT118X
+	uint32_t id[4];
+#else
 	uint32_t id[2];
+#endif
 };
 
 ssize_t z_impl_hwinfo_get_device_id(uint8_t *buffer, size_t length)
@@ -20,6 +24,11 @@ ssize_t z_impl_hwinfo_get_device_id(uint8_t *buffer, size_t length)
 #ifdef CONFIG_SOC_SERIES_IMXRT11XX
 	dev_id.id[0] = sys_cpu_to_be32(OCOTP->FUSEN[17].FUSE);
 	dev_id.id[1] = sys_cpu_to_be32(OCOTP->FUSEN[16].FUSE);
+#elif CONFIG_SOC_SERIES_IMXRT118X
+	dev_id.id[0] = sys_cpu_to_be32(OCOTP_FSB->OTP_SHADOW_PARTA[15]);
+	dev_id.id[1] = sys_cpu_to_be32(OCOTP_FSB->OTP_SHADOW_PARTA[14]);
+	dev_id.id[2] = sys_cpu_to_be32(OCOTP_FSB->OTP_SHADOW_PARTA[13]);
+	dev_id.id[3] = sys_cpu_to_be32(OCOTP_FSB->OTP_SHADOW_PARTA[12]);
 #else
 	dev_id.id[0] = sys_cpu_to_be32(OCOTP->CFG2);
 	dev_id.id[1] = sys_cpu_to_be32(OCOTP->CFG1);