diff --git a/drivers/arm/css/scmi/vendor/scmi_sq.c b/drivers/arm/css/scmi/vendor/scmi_sq.c
index f185424..1037633 100644
--- a/drivers/arm/css/scmi/vendor/scmi_sq.c
+++ b/drivers/arm/css/scmi/vendor/scmi_sq.c
@@ -15,7 +15,7 @@
 
 #include <sq_common.h>
 
-/* SCMI messge ID to get the available DRAM region */
+/* SCMI message ID to get the available DRAM region */
 #define SCMI_VENDOR_EXT_MEMINFO_GET_MSG		0x3
 
 #define SCMI_VENDOR_EXT_MEMINFO_GET_MSG_LEN	4
diff --git a/drivers/arm/gic/v2/gicv2_main.c b/drivers/arm/gic/v2/gicv2_main.c
index 1925a13..ca2a038 100644
--- a/drivers/arm/gic/v2/gicv2_main.c
+++ b/drivers/arm/gic/v2/gicv2_main.c
@@ -252,7 +252,7 @@
 	 * Ensure the write to peripheral registers are *complete* before the write
 	 * to GIC_EOIR.
 	 *
-	 * Note: The completion gurantee depends on various factors of system design
+	 * Note: The completion guarantee depends on various factors of system design
 	 * and the barrier is the best core can do by which execution of further
 	 * instructions waits till the barrier is alive.
 	 */
diff --git a/drivers/arm/gic/v3/gic600_multichip.c b/drivers/arm/gic/v3/gic600_multichip.c
index f26e056..7f0735d 100644
--- a/drivers/arm/gic/v3/gic600_multichip.c
+++ b/drivers/arm/gic/v3/gic600_multichip.c
@@ -322,7 +322,7 @@
 }
 
 /*******************************************************************************
- * Intialize GIC-600 and GIC-700 Multichip operation.
+ * Initialize GIC-600 and GIC-700 Multichip operation.
  ******************************************************************************/
 void gic600_multichip_init(struct gic600_multichip_data *multichip_data)
 {
diff --git a/drivers/brcm/emmc/emmc_chal_sd.c b/drivers/brcm/emmc/emmc_chal_sd.c
index 34d761c..5379ec1 100644
--- a/drivers/brcm/emmc/emmc_chal_sd.c
+++ b/drivers/brcm/emmc/emmc_chal_sd.c
@@ -119,7 +119,7 @@
 		mmio_setbits_32(handle->ctrl.sdRegBaseAddr + SD4_EMMC_TOP_CTRL_OFFSET,
 				SD4_EMMC_TOP_CTRL_SDPWR_MASK);
 
-	/* dummy write & ack to verify if the sdio is ready to send commads */
+	/* dummy write & ack to verify if the sdio is ready to send commands */
 	mmio_write_32(handle->ctrl.sdRegBaseAddr + SD4_EMMC_TOP_ARG_OFFSET, 0);
 	mmio_write_32(handle->ctrl.sdRegBaseAddr + SD4_EMMC_TOP_CMD_OFFSET, 0);
 
@@ -600,7 +600,7 @@
 
 	if (actual_freq > desired_freq) {
 		/*
-		 * Division does not result in exact freqency match.
+		 * Division does not result in exact frequency match.
 		 * Make sure resulting frequency does not exceed requested freq.
 		 */
 		div_ctrl_setting++;
diff --git a/drivers/brcm/emmc/emmc_csl_sdcard.c b/drivers/brcm/emmc/emmc_csl_sdcard.c
index 40bc4a0..789ed9c 100644
--- a/drivers/brcm/emmc/emmc_csl_sdcard.c
+++ b/drivers/brcm/emmc/emmc_csl_sdcard.c
@@ -244,7 +244,7 @@
  * The function handles real data transmission on both DMA and
  * none DMA mode, In None DMA mode the data transfer starts
  * when the command is sent to the card, data has to be written
- * into the host contollers buffer at this time one block
+ * into the host controllers buffer at this time one block
  * at a time.
  * In DMA mode, the real data transfer is done by the DMA engine
  * and this functions just waits for the data transfer to complete.
@@ -318,7 +318,7 @@
 
 
 /*
- * The function initalizes the SD/SDIO/MMC/CEATA and detects
+ * The function initializes the SD/SDIO/MMC/CEATA and detects
  * the card according to the flag of detection.
  * Once this function is called, the card is put into ready state
  * so application can do data transfer to and from the card.
@@ -393,7 +393,7 @@
 
 
 /*
- * The function handles MMC/CEATA card initalization.
+ * The function handles MMC/CEATA card initialization.
  */
 int init_mmc_card(struct sd_handle *handle)
 {
diff --git a/drivers/brcm/i2c/i2c.c b/drivers/brcm/i2c/i2c.c
index 2096a82..b45c0e7 100644
--- a/drivers/brcm/i2c/i2c.c
+++ b/drivers/brcm/i2c/i2c.c
@@ -612,7 +612,7 @@
  *
  * Description:
  *	This function reads I2C data from a device without specifying
- *	a command regsiter.
+ *	a command register.
  *
  * Parameters:
  *	bus_id  - I2C bus ID
@@ -647,7 +647,7 @@
  *
  * Description:
  *	This function send I2C data to a device without specifying
- *	a command regsiter.
+ *	a command register.
  *
  * Parameters:
  *	bus_id  - I2C bus ID
diff --git a/drivers/brcm/sotp.c b/drivers/brcm/sotp.c
index 63c4820..20c6441 100644
--- a/drivers/brcm/sotp.c
+++ b/drivers/brcm/sotp.c
@@ -168,7 +168,7 @@
 	       BIT(SOTP_STATUS__FDONE))
 		;
 
-	/*  Enable OTP acces by CPU */
+	/*  Enable OTP access by CPU */
 	mmio_setbits_32(SOTP_PROG_CONTROL,
 			BIT(SOTP_PROG_CONTROL__OTP_CPU_MODE_EN));
 
@@ -244,7 +244,7 @@
 	/* Command done is cleared w1c */
 	mmio_setbits_32(SOTP_STATUS_1, BIT(SOTP_STATUS_1__CMD_DONE));
 
-	/* disable OTP acces by CPU */
+	/* disable OTP access by CPU */
 	mmio_clrbits_32(SOTP_PROG_CONTROL,
 			BIT(SOTP_PROG_CONTROL__OTP_CPU_MODE_EN));
 
diff --git a/drivers/marvell/comphy/phy-comphy-cp110.c b/drivers/marvell/comphy/phy-comphy-cp110.c
index fa9fe41..e256fa7 100644
--- a/drivers/marvell/comphy/phy-comphy-cp110.c
+++ b/drivers/marvell/comphy/phy-comphy-cp110.c
@@ -2053,7 +2053,7 @@
 	mask |= HPIPE_LANE_CFG4_SSC_CTRL_MASK;
 	data |= 0x1 << HPIPE_LANE_CFG4_SSC_CTRL_OFFSET;
 	reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask);
-	/* Confifure SSC amplitude */
+	/* Configure SSC amplitude */
 	mask = HPIPE_G2_TX_SSC_AMP_MASK;
 	data = 0x1f << HPIPE_G2_TX_SSC_AMP_OFFSET;
 	reg_set(hpipe_addr + HPIPE_G2_SET_2_REG, data, mask);
diff --git a/drivers/marvell/gwin.c b/drivers/marvell/gwin.c
index fa59cb0..40f8c93 100644
--- a/drivers/marvell/gwin.c
+++ b/drivers/marvell/gwin.c
@@ -213,7 +213,7 @@
 	 * remote AP should be accompanied with proper configuration to
 	 * GWIN registers group and therefore the GWIN Miss feature
 	 * should be set into Bypass mode, need to make sure all GWIN regions
-	 * are defined correctly that will assure no GWIN miss occurrance
+	 * are defined correctly that will assure no GWIN miss occurrence
 	 * JIRA-AURORA2-1630
 	 */
 	INFO("Update GWIN miss bypass\n");
diff --git a/drivers/marvell/mg_conf_cm3/mg_conf_cm3.c b/drivers/marvell/mg_conf_cm3/mg_conf_cm3.c
index 98e1896..9352437 100644
--- a/drivers/marvell/mg_conf_cm3/mg_conf_cm3.c
+++ b/drivers/marvell/mg_conf_cm3/mg_conf_cm3.c
@@ -55,7 +55,7 @@
 
 	/* Don't release MG CM3 from reset - it will be done by next step
 	 * bootloader (e.g. U-Boot), when appriopriate device-tree setup (which
-	 * has enabeld 802.3. auto-neg) will be choosen.
+	 * has enabeld 802.3. auto-neg) will be chosen.
 	 */
 
 	return 0;
diff --git a/drivers/nxp/crypto/caam/src/auth/hash.c b/drivers/nxp/crypto/caam/src/auth/hash.c
index 1665df1..0f3cf95 100644
--- a/drivers/nxp/crypto/caam/src/auth/hash.c
+++ b/drivers/nxp/crypto/caam/src/auth/hash.c
@@ -106,7 +106,7 @@
  * Function	: hash_final
  * Arguments	: ctx - SHA context
  * Return	: SUCCESS or FAILURE
- * Description	: This function sets the final bit and enqueues the decriptor
+ * Description	: This function sets the final bit and enqueues the descriptor
  ***************************************************************************/
 int hash_final(enum hash_algo algo, void *context, void *hash_ptr,
 	       unsigned int hash_len)
diff --git a/drivers/nxp/crypto/caam/src/hw_key_blob.c b/drivers/nxp/crypto/caam/src/hw_key_blob.c
index 0720695..6bcb6ba 100644
--- a/drivers/nxp/crypto/caam/src/hw_key_blob.c
+++ b/drivers/nxp/crypto/caam/src/hw_key_blob.c
@@ -18,7 +18,7 @@
 #include "sec_hw_specific.h"
 
 
-/* Callback function after Instantiation decsriptor is submitted to SEC
+/* Callback function after Instantiation descriptor is submitted to SEC
  */
 static void blob_done(uint32_t *desc, uint32_t status, void *arg,
 		      void *job_ring)
diff --git a/drivers/nxp/crypto/caam/src/rng.c b/drivers/nxp/crypto/caam/src/rng.c
index 0b9d87d..58430db 100644
--- a/drivers/nxp/crypto/caam/src/rng.c
+++ b/drivers/nxp/crypto/caam/src/rng.c
@@ -17,7 +17,7 @@
 #include "sec_hw_specific.h"
 
 
-/* Callback function after Instantiation decsriptor is submitted to SEC */
+/* Callback function after Instantiation descriptor is submitted to SEC */
 static void rng_done(uint32_t *desc, uint32_t status, void *arg,
 		     void *job_ring)
 {
@@ -183,7 +183,7 @@
 		/*if instantiate_rng(...) fails, the loop will rerun
 		 *and the kick_trng(...) function will modify the
 		 *upper and lower limits of the entropy sampling
-		 *interval, leading to a sucessful initialization of
+		 *interval, leading to a successful initialization of
 		 */
 		ret = instantiate_rng();
 	} while ((ret == -1) && (ent_delay < RTSDCTL_ENT_DLY_MAX));
diff --git a/drivers/nxp/ddr/nxp-ddr/ddr.c b/drivers/nxp/ddr/nxp-ddr/ddr.c
index faf20e9..17c2bbb 100644
--- a/drivers/nxp/ddr/nxp-ddr/ddr.c
+++ b/drivers/nxp/ddr/nxp-ddr/ddr.c
@@ -293,7 +293,7 @@
 	}
 
 	if (pdodt == NULL) {
-		ERROR("Error determing ODT.\n");
+		ERROR("Error determining ODT.\n");
 		return -EINVAL;
 	}
 
@@ -916,7 +916,7 @@
 	debug("Program controller registers\n");
 	ret = write_ddrc_regs(priv);
 	if (ret != 0) {
-		ERROR("Programing DDRC error\n");
+		ERROR("Programming DDRC error\n");
 		return ret;
 	}
 
diff --git a/drivers/nxp/ddr/nxp-ddr/ddrc.c b/drivers/nxp/ddr/nxp-ddr/ddrc.c
index 17a2b6a..4133fac 100644
--- a/drivers/nxp/ddr/nxp-ddr/ddrc.c
+++ b/drivers/nxp/ddr/nxp-ddr/ddrc.c
@@ -346,7 +346,7 @@
 
 #ifdef ERRATA_DDR_A008511
 	/* Part 1 of 2 */
-	/* This erraum only applies to verion 5.2.1 */
+	/* This erraum only applies to version 5.2.1 */
 	if (get_ddrc_version(ddr) == 0x50200) {
 		ERROR("Unsupported SoC.\n");
 	} else if (get_ddrc_version(ddr) == 0x50201) {
diff --git a/drivers/nxp/ddr/phy-gen2/messages.h b/drivers/nxp/ddr/phy-gen2/messages.h
index a2310f2..bf2d459 100644
--- a/drivers/nxp/ddr/phy-gen2/messages.h
+++ b/drivers/nxp/ddr/phy-gen2/messages.h
@@ -144,7 +144,7 @@
 	 "PMU3: Precharge all open banks\n"
 	},
 	{0x002b0002,
-	 "PMU: Error: Dbyte %d nibble %d found mutliple working coarse delay setting for MRD/MWD\n"
+	 "PMU: Error: Dbyte %d nibble %d found multiple working coarse delay setting for MRD/MWD\n"
 	},
 	{0x002c0000,
 	 "PMU4: MRD Passing Regions (coarseVal, fineLeft fineRight -> fineCenter)\n"
@@ -536,7 +536,7 @@
 	 "PMU3: Resetting DRAM\n"
 	},
 	{0x00b10000,
-	 "PMU3: setup for RCD initalization\n"
+	 "PMU3: setup for RCD initialization\n"
 	},
 	{0x00b20000,
 	 "PMU3: pmu_exit_SR from dev_init()\n"
@@ -974,10 +974,10 @@
 	 "PMU0: PHY VREF @ (%d/1000) VDDQ\n"
 	},
 	{0x01430002,
-	 "PMU0: initalizing phy vrefDacs to %d ExtVrefRange %x\n"
+	 "PMU0: initializing phy vrefDacs to %d ExtVrefRange %x\n"
 	},
 	{0x01440002,
-	 "PMU0: initalizing global vref to %d range %d\n"
+	 "PMU0: initializing global vref to %d range %d\n"
 	},
 	{0x01450002,
 	 "PMU4: Setting initial device vrefDQ for CS%d to MR6 = 0x%04x\n"
@@ -1811,7 +1811,7 @@
 	 "PMU3: Precharge all open banks\n"
 	},
 	{0x00be0002,
-	 "PMU: Error: Dbyte %d nibble %d found mutliple working coarse delay setting for MRD/MWD\n"
+	 "PMU: Error: Dbyte %d nibble %d found multiple working coarse delay setting for MRD/MWD\n"
 	},
 	{0x00bf0000,
 	 "PMU4: MRD Passing Regions (coarseVal, fineLeft fineRight -> fineCenter)\n"
@@ -2203,7 +2203,7 @@
 	 "PMU3: Resetting DRAM\n"
 	},
 	{0x01440000,
-	 "PMU3: setup for RCD initalization\n"
+	 "PMU3: setup for RCD initialization\n"
 	},
 	{0x01450000,
 	 "PMU3: pmu_exit_SR from dev_init()\n"
@@ -2641,10 +2641,10 @@
 	 "PMU0: PHY VREF @ (%d/1000) VDDQ\n"
 	},
 	{0x01d60002,
-	 "PMU0: initalizing phy vrefDacs to %d ExtVrefRange %x\n"
+	 "PMU0: initializing phy vrefDacs to %d ExtVrefRange %x\n"
 	},
 	{0x01d70002,
-	 "PMU0: initalizing global vref to %d range %d\n"
+	 "PMU0: initializing global vref to %d range %d\n"
 	},
 	{0x01d80002,
 	 "PMU4: Setting initial device vrefDQ for CS%d to MR6 = 0x%04x\n"
diff --git a/drivers/nxp/ifc/nand/ifc_nand.c b/drivers/nxp/ifc/nand/ifc_nand.c
index 1f7092a..df7ec85 100644
--- a/drivers/nxp/ifc/nand/ifc_nand.c
+++ b/drivers/nxp/ifc/nand/ifc_nand.c
@@ -531,7 +531,7 @@
 		return 0;
 
 	/* special case for lgb == 0 */
-	/* if blk <= lgb retrun */
+	/* if blk <= lgb return */
 	if (nand->lgb != 0 && blk <= nand->lgb)
 		return 0;
 
diff --git a/drivers/nxp/sd/sd_mmc.c b/drivers/nxp/sd/sd_mmc.c
index f7f48e7..48b27c1 100644
--- a/drivers/nxp/sd/sd_mmc.c
+++ b/drivers/nxp/sd/sd_mmc.c
@@ -344,7 +344,7 @@
  * Function    :    mmc_switch_to_high_frquency
  * Arguments   :    mmc - Pointer to mmc struct
  * Return      :    SUCCESS or Error Code
- * Description :    mmc card bellow ver 4.0 does not support high speed
+ * Description :    mmc card below ver 4.0 does not support high speed
  *                  freq = 20 MHz
  *                  Send CMD6 (CMD_SWITCH_FUNC) With args 0x03B90100
  *                  Send CMD13 (CMD_SEND_STATUS)
@@ -358,7 +358,7 @@
 	uint64_t start_time;
 
 	mmc->card.bus_freq = MMC_SS_20MHZ;
-	/* mmc card bellow ver 4.0 does not support high speed */
+	/* mmc card below ver 4.0 does not support high speed */
 	if (mmc->card.version < MMC_CARD_VERSION_4_X) {
 		return 0;
 	}
@@ -463,7 +463,7 @@
 /***************************************************************************
  * Function    :    esdhc_read_data_nodma
  * Arguments   :    mmc - Pointer to mmc struct
- *                  dest_ptr - Bufffer where read data is to be copied
+ *                  dest_ptr - Buffer where read data is to be copied
  *                  len - Length of Data to be read
  * Return      :    SUCCESS or Error Code
  * Description :    Read data from the sdhc buffer without using DMA
@@ -698,7 +698,7 @@
 /***************************************************************************
  * Function    :    esdhc_read_data
  * Arguments   :    mmc - Pointer to mmc struct
- *                  dest_ptr - Bufffer where read data is to be copied
+ *                  dest_ptr - Buffer where read data is to be copied
  *                  len - Length of Data to be read
  * Return      :    SUCCESS or Error Code
  * Description :    Calls esdhc_read_data_nodma and clear interrupt status
diff --git a/drivers/renesas/common/console/rcar_printf.c b/drivers/renesas/common/console/rcar_printf.c
index ad074fe..6af10ee 100644
--- a/drivers/renesas/common/console/rcar_printf.c
+++ b/drivers/renesas/common/console/rcar_printf.c
@@ -24,7 +24,7 @@
 /*
  * The log is initialized and used before BL31 xlat tables are initialized,
  * therefore the log memory is a device memory at that point. Make sure the
- * memory is correclty aligned and accessed only with up-to 32bit, aligned,
+ * memory is correctly aligned and accessed only with up-to 32bit, aligned,
  * writes.
  */
 CASSERT((RCAR_BL31_LOG_BASE & 0x7) == 0, assert_bl31_log_base_unaligned);
diff --git a/drivers/renesas/common/emmc/emmc_hal.h b/drivers/renesas/common/emmc/emmc_hal.h
index 0a85517..4e6942f 100644
--- a/drivers/renesas/common/emmc/emmc_hal.h
+++ b/drivers/renesas/common/emmc/emmc_hal.h
@@ -512,7 +512,7 @@
 	/* maximum block count which can be transferred at once */
 	uint32_t max_block_count;
 
-	/* maximum clock frequence in Hz supported by HW */
+	/* maximum clock frequency in Hz supported by HW */
 	uint32_t max_clock_freq;
 
 	/* maximum data bus width supported by HW */
diff --git a/drivers/renesas/common/pfc_regs.h b/drivers/renesas/common/pfc_regs.h
index 4187733..36084f5 100644
--- a/drivers/renesas/common/pfc_regs.h
+++ b/drivers/renesas/common/pfc_regs.h
@@ -146,10 +146,10 @@
 #define GPIO_OUTDTL7		(GPIO_BASE + 0x5848U)
 #define GPIO_BOTHEDGE7		(GPIO_BASE + 0x584CU)
 
-/* Pin functon base address */
+/* Pin function base address */
 #define PFC_BASE		(0xE6060000U)
 
-/* Pin functon registers */
+/* Pin function registers */
 #define PFC_PMMR		(PFC_BASE + 0x0000U)
 #define PFC_GPSR0		(PFC_BASE + 0x0100U)
 #define PFC_GPSR1		(PFC_BASE + 0x0104U)
diff --git a/drivers/renesas/rcar/pfc/V3M/pfc_init_v3m.c b/drivers/renesas/rcar/pfc/V3M/pfc_init_v3m.c
index 6063758..5de4f1f 100644
--- a/drivers/renesas/rcar/pfc/V3M/pfc_init_v3m.c
+++ b/drivers/renesas/rcar/pfc/V3M/pfc_init_v3m.c
@@ -12,7 +12,7 @@
 #include "rcar_private.h"
 #include "../pfc_regs.h"
 
-/* Pin functon bit */
+/* Pin function bit */
 #define GPSR0_DU_EXODDF_DU_ODDF_DISP_CDE	BIT(21)
 #define GPSR0_DU_EXVSYNC_DU_VSYNC		BIT(20)
 #define GPSR0_DU_EXHSYNC_DU_HSYNC		BIT(19)
diff --git a/drivers/scmi-msg/clock.c b/drivers/scmi-msg/clock.c
index 85bf7d2..98fdc6a 100644
--- a/drivers/scmi-msg/clock.c
+++ b/drivers/scmi-msg/clock.c
@@ -344,7 +344,7 @@
 		scmi_status_response(msg, status);
 	} else {
 		/*
-		 * Message payload is already writen to msg->out, and
+		 * Message payload is already written to msg->out, and
 		 * msg->out_size_out updated.
 		 */
 	}
diff --git a/drivers/st/clk/stm32mp1_clk.c b/drivers/st/clk/stm32mp1_clk.c
index aa5db6f..c9c3c5f 100644
--- a/drivers/st/clk/stm32mp1_clk.c
+++ b/drivers/st/clk/stm32mp1_clk.c
@@ -2049,7 +2049,7 @@
 
 		stm32mp1_pll_start(i);
 	}
-	/* Wait and start PLLs ouptut when ready */
+	/* Wait and start PLLs output when ready */
 	for (i = (enum stm32mp1_pll_id)0; i < _PLL_NB; i++) {
 		if (!pllcfg_valid[i]) {
 			continue;
diff --git a/drivers/st/crypto/stm32_pka.c b/drivers/st/crypto/stm32_pka.c
index 5dfad9a..1e7c42c 100644
--- a/drivers/st/crypto/stm32_pka.c
+++ b/drivers/st/crypto/stm32_pka.c
@@ -695,7 +695,7 @@
 	mmio_setbits_32(base + _PKA_CLRFR, _PKA_IT_PROCEND);
 
 out:
-	/* Disable PKA (will stop all pending proccess and reset RAM) */
+	/* Disable PKA (will stop all pending process and reset RAM) */
 	pka_disable(base);
 
 	return ret;
diff --git a/drivers/st/ddr/stm32mp1_ddr.c b/drivers/st/ddr/stm32mp1_ddr.c
index 4719e1e..27d8b2c 100644
--- a/drivers/st/ddr/stm32mp1_ddr.c
+++ b/drivers/st/ddr/stm32mp1_ddr.c
@@ -755,7 +755,7 @@
 	stm32mp1_ddrphy_idone_wait(priv->phy);
 
 	/*
-	 * 12. set back registers in step 8 to the orginal values if desidered
+	 * 12. set back registers in step 8 to the original values if desidered
 	 */
 	stm32mp1_refresh_restore(priv->ctl, config->c_reg.rfshctl3,
 				 config->c_reg.pwrctl);
diff --git a/include/arch/aarch32/arch.h b/include/arch/aarch32/arch.h
index 8678bf3..d3b5d3c 100644
--- a/include/arch/aarch32/arch.h
+++ b/include/arch/aarch32/arch.h
@@ -264,7 +264,7 @@
 #define TCP10_BIT		(U(1) << 10)
 #define HCPTR_RESET_VAL		HCPTR_RES1
 
-/* VTTBR defintions */
+/* VTTBR definitions */
 #define VTTBR_RESET_VAL		ULL(0x0)
 #define VTTBR_VMID_MASK		ULL(0xff)
 #define VTTBR_VMID_SHIFT	U(48)
diff --git a/include/arch/aarch64/arch.h b/include/arch/aarch64/arch.h
index ac5eae2..2e84cc5 100644
--- a/include/arch/aarch64/arch.h
+++ b/include/arch/aarch64/arch.h
@@ -752,7 +752,7 @@
 #define HI_VECTOR_BASE		U(0xFFFF0000)
 
 /*
- * TCR defintions
+ * TCR definitions
  */
 #define TCR_EL3_RES1		((ULL(1) << 31) | (ULL(1) << 23))
 #define TCR_EL2_RES1		((ULL(1) << 31) | (ULL(1) << 23))
diff --git a/include/bl31/ehf.h b/include/bl31/ehf.h
index c13d28c..63943a9 100644
--- a/include/bl31/ehf.h
+++ b/include/bl31/ehf.h
@@ -30,7 +30,7 @@
 		.ehf_handler = EHF_NO_HANDLER_, \
 	}
 
-/* Macro for platforms to regiter its exception priorities */
+/* Macro for platforms to register its exception priorities */
 #define EHF_REGISTER_PRIORITIES(priorities, num, bits) \
 	const ehf_priorities_t exception_data = { \
 		.num_priorities = (num), \
diff --git a/include/drivers/arm/cryptocell/712/cc_pal_types_plat.h b/include/drivers/arm/cryptocell/712/cc_pal_types_plat.h
index 8410024..f6d41d7 100644
--- a/include/drivers/arm/cryptocell/712/cc_pal_types_plat.h
+++ b/include/drivers/arm/cryptocell/712/cc_pal_types_plat.h
@@ -9,7 +9,7 @@
 */
 #ifndef _CC_PAL_TYPES_PLAT_H
 #define _CC_PAL_TYPES_PLAT_H
-/* Host specific types for standard (ISO-C99) compilant platforms */
+/* Host specific types for standard (ISO-C99) compliant platforms */
 
 #include <stddef.h>
 #include <stdint.h>
diff --git a/include/drivers/arm/cryptocell/713/cc_pal_types_plat.h b/include/drivers/arm/cryptocell/713/cc_pal_types_plat.h
index 9848472..0c102a0 100644
--- a/include/drivers/arm/cryptocell/713/cc_pal_types_plat.h
+++ b/include/drivers/arm/cryptocell/713/cc_pal_types_plat.h
@@ -9,7 +9,7 @@
 */
 #ifndef _CC_PAL_TYPES_PLAT_H
 #define _CC_PAL_TYPES_PLAT_H
-/* Host specific types for standard (ISO-C99) compilant platforms */
+/* Host specific types for standard (ISO-C99) compliant platforms */
 
 #include <stddef.h>
 #include <stdint.h>
diff --git a/include/drivers/arm/gic600ae_fmu.h b/include/drivers/arm/gic600ae_fmu.h
index 88b87b9..d2a92dd 100644
--- a/include/drivers/arm/gic600ae_fmu.h
+++ b/include/drivers/arm/gic600ae_fmu.h
@@ -85,7 +85,7 @@
 #define FMU_BLK_PPI31		U(43)
 #define FMU_BLK_PRESENT_MASK	U(0xFFFFFFFFFFF)
 
-/* Safety Mechamism limit */
+/* Safety Mechanism limit */
 #define FMU_SMID_GICD_MAX	U(33)
 #define FMU_SMID_PPI_MAX	U(12)
 #define FMU_SMID_ITS_MAX	U(14)
diff --git a/include/drivers/auth/crypto_mod.h b/include/drivers/auth/crypto_mod.h
index 00ea8c6..bec19da 100644
--- a/include/drivers/auth/crypto_mod.h
+++ b/include/drivers/auth/crypto_mod.h
@@ -46,7 +46,7 @@
 	const char *name;
 
 	/* Initialize library. This function is not expected to fail. All errors
-	 * must be handled inside the function, asserting or panicing in case of
+	 * must be handled inside the function, asserting or panicking in case of
 	 * a non-recoverable error */
 	void (*init)(void);
 
diff --git a/include/drivers/brcm/emmc/emmc_csl_sdprot.h b/include/drivers/brcm/emmc/emmc_csl_sdprot.h
index 597e1e0..5801940 100644
--- a/include/drivers/brcm/emmc/emmc_csl_sdprot.h
+++ b/include/drivers/brcm/emmc/emmc_csl_sdprot.h
@@ -139,7 +139,7 @@
  * The Common I/O area shall be implemented on all SDIO cards and
  * is accessed the the host via I/O reads and writes to function 0,
  * the registers within the CIA are provided to enable/disable
- * the operationo fthe i/o funciton.
+ * the operationo fthe i/o function.
  */
 
 /* cccr_sdio_rev */
@@ -303,7 +303,7 @@
 #define SBSDIO_CIS_BASE_COMMON		0x1000
 /* function 0(common) cis size in bytes */
 #define SBSDIO_CIS_FUNC0_LIMIT		0x020
-/* funciton 1 cis size in bytes */
+/* function 1 cis size in bytes */
 #define SBSDIO_CIS_SIZE_LIMIT		0x200
 /* cis offset addr is < 17 bits */
 #define SBSDIO_CIS_OFT_ADDR_MASK	0x1FFFF
@@ -313,7 +313,7 @@
 /* indirect cis access (in sprom) */
 /* 8 control bytes first, CIS starts from 8th uint8_t */
 #define SBSDIO_SPROM_CIS_OFFSET		0x8
-/* sdio uint8_t mode: maximum length of one data comamnd */
+/* sdio uint8_t mode: maximum length of one data command */
 #define SBSDIO_BYTEMODE_DATALEN_MAX	64
 /* 4317 supports less */
 #define SBSDIO_BYTEMODE_DATALEN_MAX_4317	52
diff --git a/include/drivers/brcm/i2c/i2c.h b/include/drivers/brcm/i2c/i2c.h
index 24d42e2..2cc81d5 100644
--- a/include/drivers/brcm/i2c/i2c.h
+++ b/include/drivers/brcm/i2c/i2c.h
@@ -78,7 +78,7 @@
  *
  * Description:
  *	This function reads I2C data from a device without specifying
- *	a command regsiter.
+ *	a command register.
  *
  * Parameters:
  *	bus_id  - I2C bus ID
@@ -95,7 +95,7 @@
  *
  * Description:
  *	This function send I2C data to a device without specifying
- *	a command regsiter.
+ *	a command register.
  *
  * Parameters:
  *	bus_id  - I2C bus ID
diff --git a/include/drivers/nxp/crypto/caam/sec_hw_specific.h b/include/drivers/nxp/crypto/caam/sec_hw_specific.h
index 9800793..bc11aca 100644
--- a/include/drivers/nxp/crypto/caam/sec_hw_specific.h
+++ b/include/drivers/nxp/crypto/caam/sec_hw_specific.h
@@ -221,7 +221,7 @@
  /*  Lists the possible states for a job ring. */
 typedef enum sec_job_ring_state_e {
 	SEC_JOB_RING_STATE_STARTED,	/* Job ring is initialized */
-	SEC_JOB_RING_STATE_RESET,	/* Job ring reset is in progres */
+	SEC_JOB_RING_STATE_RESET,	/* Job ring reset is in progress */
 } sec_job_ring_state_t;
 
 struct sec_job_ring_t {
diff --git a/include/drivers/nxp/crypto/caam/sec_jr_driver.h b/include/drivers/nxp/crypto/caam/sec_jr_driver.h
index 57e0fa0..a6570d8 100644
--- a/include/drivers/nxp/crypto/caam/sec_jr_driver.h
+++ b/include/drivers/nxp/crypto/caam/sec_jr_driver.h
@@ -57,7 +57,7 @@
 /*
  * Structure encompassing a job descriptor which is to be processed
  * by SEC. User should also initialise this structure with the callback
- * function pointer which will be called by driver after recieving proccessed
+ * function pointer which will be called by driver after receiving proccessed
  * descriptor from SEC. User data is also passed in this data structure which
  * will be sent as an argument to the user callback function.
  */
diff --git a/include/drivers/nxp/dcfg/dcfg_lsch2.h b/include/drivers/nxp/dcfg/dcfg_lsch2.h
index 882ba5a..bdef6de 100644
--- a/include/drivers/nxp/dcfg/dcfg_lsch2.h
+++ b/include/drivers/nxp/dcfg/dcfg_lsch2.h
@@ -55,7 +55,7 @@
 #define DISR5_DDRC1_MASK		0x1
 #define DISR5_OCRAM_MASK		0x40
 
-/* DCFG regsiters bit masks */
+/* DCFG registers bit masks */
 #define RCWSR0_SYS_PLL_RAT_SHIFT	25
 #define RCWSR0_SYS_PLL_RAT_MASK		0x1f
 #define RCWSR0_MEM_PLL_RAT_SHIFT	16
diff --git a/include/lib/cpus/aarch64/generic.h b/include/lib/cpus/aarch64/generic.h
index 53df587..dd71554 100644
--- a/include/lib/cpus/aarch64/generic.h
+++ b/include/lib/cpus/aarch64/generic.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, Arm Limited. All rights reserverd.
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
diff --git a/lib/debugfs/debugfs_smc.c b/lib/debugfs/debugfs_smc.c
index 400c166..13ced3d 100644
--- a/lib/debugfs/debugfs_smc.c
+++ b/lib/debugfs/debugfs_smc.c
@@ -54,7 +54,7 @@
 } parms;
 
 /* debugfs_access_lock protects shared buffer and internal */
-/* FS functions from concurrent acccesses.                 */
+/* FS functions from concurrent accesses.                 */
 static spinlock_t debugfs_access_lock;
 
 static bool debugfs_initialized;
diff --git a/lib/el3_runtime/aarch64/context_mgmt.c b/lib/el3_runtime/aarch64/context_mgmt.c
index e38b34d..b69c7cc 100644
--- a/lib/el3_runtime/aarch64/context_mgmt.c
+++ b/lib/el3_runtime/aarch64/context_mgmt.c
@@ -457,7 +457,7 @@
 void __init cm_init(void)
 {
 	/*
-	 * The context management library has only global data to intialize, but
+	 * The context management library has only global data to initialize, but
 	 * that will be done when the BSS is zeroed out.
 	 */
 }
diff --git a/lib/optee/optee_utils.c b/lib/optee/optee_utils.c
index 25272fc..6641db9 100644
--- a/lib/optee/optee_utils.c
+++ b/lib/optee/optee_utils.c
@@ -180,7 +180,7 @@
 
 	/*
 	 * Update "pc" value which should comes from pager image. After the
-	 * header image is parsed, it will be unuseful, and the actual
+	 * header image is parsed, it will be useless, and the actual
 	 * execution image after BL31 is pager image.
 	 */
 	header_ep->pc =	pager_image_info->image_base;
diff --git a/lib/xlat_tables/aarch32/nonlpae_tables.c b/lib/xlat_tables/aarch32/nonlpae_tables.c
index 5646f34..f582404 100644
--- a/lib/xlat_tables/aarch32/nonlpae_tables.c
+++ b/lib/xlat_tables/aarch32/nonlpae_tables.c
@@ -272,7 +272,7 @@
 	/* Make room for new region by moving other regions up by one place */
 	(void)memmove(mm + 1, mm, (uintptr_t)mm_last - (uintptr_t)mm);
 
-	/* Check we haven't lost the empty sentinal from the end of the array */
+	/* Check we haven't lost the empty sentinel from the end of the array */
 	assert(mm_last->size == 0U);
 
 	mm->base_pa = base_pa;
diff --git a/lib/xlat_tables/xlat_tables_common.c b/lib/xlat_tables/xlat_tables_common.c
index 71273cb..e2c8370 100644
--- a/lib/xlat_tables/xlat_tables_common.c
+++ b/lib/xlat_tables/xlat_tables_common.c
@@ -161,7 +161,7 @@
 	/* Make room for new region by moving other regions up by one place */
 	(void)memmove(mm + 1, mm, (uintptr_t)mm_last - (uintptr_t)mm);
 
-	/* Check we haven't lost the empty sentinal from the end of the array */
+	/* Check we haven't lost the empty sentinel from the end of the array */
 	assert(mm_last->size == 0U);
 
 	mm->base_pa = base_pa;
diff --git a/lib/xlat_tables_v2/xlat_tables_core.c b/lib/xlat_tables_v2/xlat_tables_core.c
index de57184..3a9c058 100644
--- a/lib/xlat_tables_v2/xlat_tables_core.c
+++ b/lib/xlat_tables_v2/xlat_tables_core.c
@@ -988,7 +988,7 @@
 		     (uintptr_t)mm_last - (uintptr_t)mm_cursor);
 
 	/*
-	 * Check we haven't lost the empty sentinal from the end of the array.
+	 * Check we haven't lost the empty sentinel from the end of the array.
 	 * This shouldn't happen as we have checked in mmap_add_region_check
 	 * that there is free space.
 	 */
diff --git a/lib/xlat_tables_v2/xlat_tables_utils.c b/lib/xlat_tables_v2/xlat_tables_utils.c
index 38a375e..f3a53cc 100644
--- a/lib/xlat_tables_v2/xlat_tables_utils.c
+++ b/lib/xlat_tables_v2/xlat_tables_utils.c
@@ -585,7 +585,7 @@
 		base_va += PAGE_SIZE;
 	}
 
-	/* Ensure that the last descriptor writen is seen by the system. */
+	/* Ensure that the last descriptor written is seen by the system. */
 	dsbish();
 
 	return 0;
diff --git a/plat/arm/board/fvp/sp_min/fvp_sp_min_setup.c b/plat/arm/board/fvp/sp_min/fvp_sp_min_setup.c
index b961da9..705ec38 100644
--- a/plat/arm/board/fvp/sp_min/fvp_sp_min_setup.c
+++ b/plat/arm/board/fvp/sp_min/fvp_sp_min_setup.c
@@ -84,7 +84,7 @@
 	     (void *)hw_config_info->config_addr);
 
 	/*
-	 * Preferrably we expect this address and size are page aligned,
+	 * Preferably we expect this address and size are page aligned,
 	 * but if they are not then align it.
 	 */
 	hw_config_base_align = page_align(hw_config_info->config_addr, DOWN);
diff --git a/plat/arm/common/tsp/arm_tsp_setup.c b/plat/arm/common/tsp/arm_tsp_setup.c
index a4da8c3..df3488b 100644
--- a/plat/arm/common/tsp/arm_tsp_setup.c
+++ b/plat/arm/common/tsp/arm_tsp_setup.c
@@ -62,7 +62,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this is only intializes the MMU
+ * moment this is only initializes the MMU
  ******************************************************************************/
 void tsp_plat_arch_setup(void)
 {
diff --git a/plat/brcm/board/stingray/driver/swreg.c b/plat/brcm/board/stingray/driver/swreg.c
index 2b7c53b..a5b5b9f 100644
--- a/plat/brcm/board/stingray/driver/swreg.c
+++ b/plat/brcm/board/stingray/driver/swreg.c
@@ -296,7 +296,7 @@
 	return ret;
 }
 
-/* Update SWREG firmware for all power doman for A2 chip */
+/* Update SWREG firmware for all power domain for A2 chip */
 int swreg_firmware_update(void)
 {
 	enum sw_reg reg_id;
diff --git a/plat/common/aarch64/plat_ehf.c b/plat/common/aarch64/plat_ehf.c
index da76884..1382690 100644
--- a/plat/common/aarch64/plat_ehf.c
+++ b/plat/common/aarch64/plat_ehf.c
@@ -27,7 +27,7 @@
 #if SPM_MM
 	EHF_PRI_DESC(PLAT_PRI_BITS, PLAT_SP_PRI),
 #endif
-	/* Plaform specific exceptions description */
+	/* Platform specific exceptions description */
 #ifdef PLAT_EHF_DESC
 	PLAT_EHF_DESC,
 #endif
diff --git a/plat/imx/common/include/sci/sci_rpc.h b/plat/imx/common/include/sci/sci_rpc.h
index 60dbc27..b6adf33 100644
--- a/plat/imx/common/include/sci/sci_rpc.h
+++ b/plat/imx/common/include/sci/sci_rpc.h
@@ -100,7 +100,7 @@
 void sc_call_rpc(sc_ipc_t ipc, sc_rpc_msg_t *msg, bool no_resp);
 
 /*!
- * This is an internal function to dispath an RPC call that has
+ * This is an internal function to dispatch an RPC call that has
  * arrived via IPC over an MU. It is called by server-side SCFW.
  *
  * @param[in]     mu          MU message arrived on
diff --git a/plat/imx/common/include/sci/svc/pad/sci_pad_api.h b/plat/imx/common/include/sci/svc/pad/sci_pad_api.h
index dc23eed..ac93aae 100644
--- a/plat/imx/common/include/sci/svc/pad/sci_pad_api.h
+++ b/plat/imx/common/include/sci/svc/pad/sci_pad_api.h
@@ -42,7 +42,7 @@
  *
  * Pads are managed as a resource by the Resource Manager (RM).  They have
  * assigned owners and only the owners can configure the pads. Some of the
- * pads are reserved for use by the SCFW itself and this can be overriden
+ * pads are reserved for use by the SCFW itself and this can be overridden
  * with the implementation of board_config_sc(). Additionally, pads may
  * be assigned to various other partitions via the implementation of
  * board_system_config().
@@ -156,7 +156,7 @@
  * This type is used to declare a pad low-power isolation config.
  * ISO_LATE is the most common setting. ISO_EARLY is only used when
  * an output pad is directly determined by another input pad. The
- * other two are only used when SW wants to directly contol isolation.
+ * other two are only used when SW wants to directly control isolation.
  */
 typedef uint8_t sc_pad_iso_t;
 
diff --git a/plat/imx/common/include/sci/svc/pm/sci_pm_api.h b/plat/imx/common/include/sci/svc/pm/sci_pm_api.h
index 76ca5c4..1364795 100644
--- a/plat/imx/common/include/sci/svc/pm/sci_pm_api.h
+++ b/plat/imx/common/include/sci/svc/pm/sci_pm_api.h
@@ -294,7 +294,7 @@
  * Note some resources are still not accessible even when powered up if bus
  * transactions go through a fabric not powered up. Examples of this are
  * resources in display and capture subsystems which require the display
- * controller or the imaging subsytem to be powered up first.
+ * controller or the imaging subsystem to be powered up first.
  *
  * Not that resources are grouped into power domains by the underlying
  * hardware. If any resource in the domain is on, the entire power domain
diff --git a/plat/imx/imx8m/gpc_common.c b/plat/imx/imx8m/gpc_common.c
index 32a35ef..71e0af1 100644
--- a/plat/imx/imx8m/gpc_common.c
+++ b/plat/imx/imx8m/gpc_common.c
@@ -98,7 +98,7 @@
 		/* assert the pcg pcr bit of the core */
 		mmio_setbits_32(IMX_GPC_BASE + COREx_PGC_PCR(core_id), 0x1);
 	} else {
-		/* disbale CORE WFI PDN & IRQ PUP */
+		/* disable CORE WFI PDN & IRQ PUP */
 		mmio_clrbits_32(IMX_GPC_BASE + LPCR_A53_AD, COREx_WFI_PDN(core_id) |
 				COREx_IRQ_WUP(core_id));
 		/* deassert the pcg pcr bit of the core */
diff --git a/plat/imx/imx8m/imx8mm/gpc.c b/plat/imx/imx8m/imx8mm/gpc.c
index cc1cb10..e0e38a9 100644
--- a/plat/imx/imx8m/imx8mm/gpc.c
+++ b/plat/imx/imx8m/imx8mm/gpc.c
@@ -376,7 +376,7 @@
 	/*
 	 * Set the CORE & SCU power up timing:
 	 * SW = 0x1, SW2ISO = 0x1;
-	 * the CPU CORE and SCU power up timming counter
+	 * the CPU CORE and SCU power up timing counter
 	 * is drived  by 32K OSC, each domain's power up
 	 * latency is (SW + SW2ISO) / 32768
 	 */
diff --git a/plat/imx/imx8m/imx8mn/gpc.c b/plat/imx/imx8m/imx8mn/gpc.c
index 4e05297..20c9a55 100644
--- a/plat/imx/imx8m/imx8mn/gpc.c
+++ b/plat/imx/imx8m/imx8mn/gpc.c
@@ -170,7 +170,7 @@
 	/*
 	 * Set the CORE & SCU power up timing:
 	 * SW = 0x1, SW2ISO = 0x1;
-	 * the CPU CORE and SCU power up timming counter
+	 * the CPU CORE and SCU power up timing counter
 	 * is drived  by 32K OSC, each domain's power up
 	 * latency is (SW + SW2ISO) / 32768
 	 */
diff --git a/plat/imx/imx8m/imx8mp/gpc.c b/plat/imx/imx8m/imx8mp/gpc.c
index 452e788..956b508 100644
--- a/plat/imx/imx8m/imx8mp/gpc.c
+++ b/plat/imx/imx8m/imx8mp/gpc.c
@@ -337,7 +337,7 @@
 	/*
 	 * Set the CORE & SCU power up timing:
 	 * SW = 0x1, SW2ISO = 0x1;
-	 * the CPU CORE and SCU power up timming counter
+	 * the CPU CORE and SCU power up timing counter
 	 * is drived  by 32K OSC, each domain's power up
 	 * latency is (SW + SW2ISO) / 32768
 	 */
diff --git a/plat/imx/imx8m/imx8mq/gpc.c b/plat/imx/imx8m/imx8mq/gpc.c
index 0a029d6..ebf92f7 100644
--- a/plat/imx/imx8m/imx8mq/gpc.c
+++ b/plat/imx/imx8m/imx8mq/gpc.c
@@ -417,7 +417,7 @@
 	/* set all mix/PU in A53 domain */
 	mmio_write_32(IMX_GPC_BASE + PGC_CPU_0_1_MAPPING, 0xfffd);
 
-	/* set SCU timming */
+	/* set SCU timing */
 	mmio_write_32(IMX_GPC_BASE + PGC_SCU_TIMING,
 		      (0x59 << 10) | 0x5B | (0x2 << 20));
 
diff --git a/plat/intel/soc/agilex/bl31_plat_setup.c b/plat/intel/soc/agilex/bl31_plat_setup.c
index 26ed7ef..b4e19de 100644
--- a/plat/intel/soc/agilex/bl31_plat_setup.c
+++ b/plat/intel/soc/agilex/bl31_plat_setup.c
@@ -155,7 +155,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this is only intializes the mmu in a quick and dirty way.
+ * moment this is only initializes the mmu in a quick and dirty way.
  ******************************************************************************/
 void bl31_plat_arch_setup(void)
 {
diff --git a/plat/intel/soc/common/sip/socfpga_sip_fcs.c b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
index 508043f..d99026b 100644
--- a/plat/intel/soc/common/sip/socfpga_sip_fcs.c
+++ b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
@@ -1804,7 +1804,7 @@
 
 	/*
 	 * Source data must be 4 bytes aligned
-	 * Source addrress must be 8 bytes aligned
+	 * Source address must be 8 bytes aligned
 	 * User data must be 8 bytes aligned
 	 */
 	if ((dst_size == NULL) || (mbox_error == NULL) ||
diff --git a/plat/intel/soc/n5x/bl31_plat_setup.c b/plat/intel/soc/n5x/bl31_plat_setup.c
index 5ca1a71..a5337ce 100644
--- a/plat/intel/soc/n5x/bl31_plat_setup.c
+++ b/plat/intel/soc/n5x/bl31_plat_setup.c
@@ -140,7 +140,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this is only intializes the mmu in a quick and dirty way.
+ * moment this is only initializes the mmu in a quick and dirty way.
  ******************************************************************************/
 void bl31_plat_arch_setup(void)
 {
diff --git a/plat/intel/soc/stratix10/bl31_plat_setup.c b/plat/intel/soc/stratix10/bl31_plat_setup.c
index be0fae5..ba00e82 100644
--- a/plat/intel/soc/stratix10/bl31_plat_setup.c
+++ b/plat/intel/soc/stratix10/bl31_plat_setup.c
@@ -147,7 +147,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this is only intializes the mmu in a quick and dirty way.
+ * moment this is only initializes the mmu in a quick and dirty way.
  ******************************************************************************/
 void bl31_plat_arch_setup(void)
 {
diff --git a/plat/marvell/armada/a8k/common/plat_pm.c b/plat/marvell/armada/a8k/common/plat_pm.c
index 9ea9276..f08f08a 100644
--- a/plat/marvell/armada/a8k/common/plat_pm.c
+++ b/plat/marvell/armada/a8k/common/plat_pm.c
@@ -423,7 +423,7 @@
 	} else
 #endif
 	{
-		/* proprietary CPU ON exection flow */
+		/* proprietary CPU ON execution flow */
 		plat_marvell_cpu_on(mpidr);
 	}
 	return 0;
diff --git a/plat/marvell/armada/common/marvell_ddr_info.c b/plat/marvell/armada/common/marvell_ddr_info.c
index 7340996..1ae0254 100644
--- a/plat/marvell/armada/common/marvell_ddr_info.c
+++ b/plat/marvell/armada/common/marvell_ddr_info.c
@@ -34,7 +34,7 @@
 	DRAM_AREA_LENGTH_MASK) >> DRAM_AREA_LENGTH_OFFS
 
 /* Mapping between DDR area length and real DDR size is specific and looks like
- * bellow:
+ * below:
  * 0 => 384 MB
  * 1 => 768 MB
  * 2 => 1536 MB
diff --git a/plat/mediatek/include/mtk_sip_svc.h b/plat/mediatek/include/mtk_sip_svc.h
index f677915..684f951 100644
--- a/plat/mediatek/include/mtk_sip_svc.h
+++ b/plat/mediatek/include/mtk_sip_svc.h
@@ -97,7 +97,7 @@
 };
 
 /*
- * This function should be implemented in MediaTek SOC directory. It fullfills
+ * This function should be implemented in MediaTek SOC directory. It fulfills
  * MTK_SIP_SET_AUTHORIZED_SECURE_REG SiP call by checking the sreg with the
  * predefined secure register list, if a match was found, set val to sreg.
  *
diff --git a/plat/mediatek/mt8173/bl31_plat_setup.c b/plat/mediatek/mt8173/bl31_plat_setup.c
index bd7d0b0..fd7874f 100644
--- a/plat/mediatek/mt8173/bl31_plat_setup.c
+++ b/plat/mediatek/mt8173/bl31_plat_setup.c
@@ -129,7 +129,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this is only intializes the mmu in a quick and dirty way.
+ * moment this is only initializes the mmu in a quick and dirty way.
  ******************************************************************************/
 void bl31_plat_arch_setup(void)
 {
diff --git a/plat/mediatek/mt8173/drivers/spm/spm.c b/plat/mediatek/mt8173/drivers/spm/spm.c
index 8980e07..0d3acb2 100644
--- a/plat/mediatek/mt8173/drivers/spm/spm.c
+++ b/plat/mediatek/mt8173/drivers/spm/spm.c
@@ -20,7 +20,7 @@
  * - spm_suspend.c for system power control in system suspend scenario.
  *
  * This file provide utility functions common to hotplug, mcdi(idle), suspend
- * power scenarios. A bakery lock (software lock) is incoporated to protect
+ * power scenarios. A bakery lock (software lock) is incorporated to protect
  * certain critical sections to avoid kicking different SPM firmware
  * concurrently.
  */
diff --git a/plat/mediatek/mt8183/bl31_plat_setup.c b/plat/mediatek/mt8183/bl31_plat_setup.c
index 7dac8a4..f608da3 100644
--- a/plat/mediatek/mt8183/bl31_plat_setup.c
+++ b/plat/mediatek/mt8183/bl31_plat_setup.c
@@ -163,7 +163,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this is only intializes the mmu in a quick and dirty way.
+ * moment this is only initializes the mmu in a quick and dirty way.
  ******************************************************************************/
 void bl31_plat_arch_setup(void)
 {
diff --git a/plat/mediatek/mt8186/bl31_plat_setup.c b/plat/mediatek/mt8186/bl31_plat_setup.c
index 5fc6b6e..fb826be 100644
--- a/plat/mediatek/mt8186/bl31_plat_setup.c
+++ b/plat/mediatek/mt8186/bl31_plat_setup.c
@@ -102,7 +102,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this is only intializes the mmu in a quick and dirty way.
+ * moment this is only initializes the mmu in a quick and dirty way.
  ******************************************************************************/
 void bl31_plat_arch_setup(void)
 {
diff --git a/plat/mediatek/mt8192/bl31_plat_setup.c b/plat/mediatek/mt8192/bl31_plat_setup.c
index c3cb9a5..3b23027 100644
--- a/plat/mediatek/mt8192/bl31_plat_setup.c
+++ b/plat/mediatek/mt8192/bl31_plat_setup.c
@@ -110,7 +110,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this is only intializes the mmu in a quick and dirty way.
+ * moment this is only initializes the mmu in a quick and dirty way.
  ******************************************************************************/
 void bl31_plat_arch_setup(void)
 {
diff --git a/plat/mediatek/mt8195/bl31_plat_setup.c b/plat/mediatek/mt8195/bl31_plat_setup.c
index dff6670..0f5674f 100644
--- a/plat/mediatek/mt8195/bl31_plat_setup.c
+++ b/plat/mediatek/mt8195/bl31_plat_setup.c
@@ -106,7 +106,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this is only intializes the mmu in a quick and dirty way.
+ * moment this is only initializes the mmu in a quick and dirty way.
  ******************************************************************************/
 void bl31_plat_arch_setup(void)
 {
diff --git a/plat/mediatek/mt8195/drivers/apusys/apupll.c b/plat/mediatek/mt8195/drivers/apusys/apupll.c
index 0eb8d4a..3c18798 100644
--- a/plat/mediatek/mt8195/drivers/apusys/apupll.c
+++ b/plat/mediatek/mt8195/drivers/apusys/apupll.c
@@ -268,7 +268,7 @@
  * @pll_idx: Which PLL to enable/disable
  * @on: 1 -> enable, 0 -> disable.
  *
- * This funciton will only change RG_PLL_EN of CON1 for pll[pll_idx].
+ * This function will only change RG_PLL_EN of CON1 for pll[pll_idx].
  *
  * Context: Any context.
  */
@@ -286,7 +286,7 @@
  * @pll_idx: Which PLL to enable/disable
  * @on: 1 -> enable, 0 -> disable.
  *
- * This funciton will only change PLL_SDM_PWR_ON of CON3 for pll[pll_idx].
+ * This function will only change PLL_SDM_PWR_ON of CON3 for pll[pll_idx].
  *
  * Context: Any context.
  */
@@ -304,7 +304,7 @@
  * @pll_idx: Which PLL to enable/disable
  * @enable: 1 -> turn on isolation, 0 -> turn off isolation.
  *
- * This funciton will turn on/off pll isolation by
+ * This function will turn on/off pll isolation by
  * changing PLL_SDM_PWR_ON of CON3 for pll[pll_idx].
  *
  * Context: Any context.
@@ -324,7 +324,7 @@
  * @on: 1 -> enable, 0 -> disable.
  * @fhctl_en: enable or disable fhctl function
  *
- * This is the entry poing for controlling pll and fhctl funciton on/off.
+ * This is the entry poing for controlling pll and fhctl function on/off.
  * Caller can chose only enable pll instead of fhctl function.
  *
  * Context: Any context.
diff --git a/plat/nvidia/tegra/common/tegra_bl31_setup.c b/plat/nvidia/tegra/common/tegra_bl31_setup.c
index 050ef52..e3068b6 100644
--- a/plat/nvidia/tegra/common/tegra_bl31_setup.c
+++ b/plat/nvidia/tegra/common/tegra_bl31_setup.c
@@ -262,7 +262,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this only intializes the mmu in a quick and dirty way.
+ * moment this only initializes the mmu in a quick and dirty way.
  ******************************************************************************/
 void bl31_plat_arch_setup(void)
 {
diff --git a/plat/nvidia/tegra/drivers/memctrl/memctrl_v2.c b/plat/nvidia/tegra/drivers/memctrl/memctrl_v2.c
index 92120b5..0644fd2 100644
--- a/plat/nvidia/tegra/drivers/memctrl/memctrl_v2.c
+++ b/plat/nvidia/tegra/drivers/memctrl/memctrl_v2.c
@@ -301,7 +301,7 @@
 	if (video_mem_base != 0U) {
 		/*
 		 * Lock the non overlapping memory being cleared so that
-		 * other masters do not accidently write to it. The memory
+		 * other masters do not accidentally write to it. The memory
 		 * would be unlocked once the non overlapping region is
 		 * cleared and the new memory settings take effect.
 		 */
diff --git a/plat/nvidia/tegra/include/drivers/tegra_gic.h b/plat/nvidia/tegra/include/drivers/tegra_gic.h
index 6661dff..9f9477c 100644
--- a/plat/nvidia/tegra/include/drivers/tegra_gic.h
+++ b/plat/nvidia/tegra/include/drivers/tegra_gic.h
@@ -19,7 +19,7 @@
 } pcpu_fiq_state_t;
 
 /*******************************************************************************
- * Fucntion declarations
+ * Function declarations
  ******************************************************************************/
 void tegra_gic_cpuif_deactivate(void);
 void tegra_gic_init(void);
diff --git a/plat/nvidia/tegra/include/t186/tegra_def.h b/plat/nvidia/tegra/include/t186/tegra_def.h
index a971cec..cf8778b 100644
--- a/plat/nvidia/tegra/include/t186/tegra_def.h
+++ b/plat/nvidia/tegra/include/t186/tegra_def.h
@@ -84,7 +84,7 @@
 #define TEGRA_CLK_SE			TEGRA186_CLK_SE
 
 /*******************************************************************************
- * Tegra Miscellanous register constants
+ * Tegra Miscellaneous register constants
  ******************************************************************************/
 #define TEGRA_MISC_BASE			U(0x00100000)
 #define  HARDWARE_REVISION_OFFSET	U(0x4)
diff --git a/plat/nvidia/tegra/include/t194/tegra_def.h b/plat/nvidia/tegra/include/t194/tegra_def.h
index abe193f..2158913 100644
--- a/plat/nvidia/tegra/include/t194/tegra_def.h
+++ b/plat/nvidia/tegra/include/t194/tegra_def.h
@@ -60,7 +60,7 @@
 #define TEGRA_CLK_SE			TEGRA194_CLK_SE
 
 /*******************************************************************************
- * Tegra Miscellanous register constants
+ * Tegra Miscellaneous register constants
  ******************************************************************************/
 #define TEGRA_MISC_BASE			U(0x00100000)
 
diff --git a/plat/nvidia/tegra/soc/t186/drivers/include/t18x_ari.h b/plat/nvidia/tegra/soc/t186/drivers/include/t18x_ari.h
index ecfb3f4..45302da 100644
--- a/plat/nvidia/tegra/soc/t186/drivers/include/t18x_ari.h
+++ b/plat/nvidia/tegra/soc/t186/drivers/include/t18x_ari.h
@@ -40,7 +40,7 @@
 	/* index 83 is deprecated */
 	TEGRA_ARI_PERFMON = 84U,
 	TEGRA_ARI_UPDATE_CCPLEX_GSC = 85U,
-	/* index 86 is depracated */
+	/* index 86 is deprecated */
 	/* index 87 is deprecated */
 	TEGRA_ARI_ROC_FLUSH_CACHE_ONLY = 88U,
 	TEGRA_ARI_ROC_FLUSH_CACHE_TRBITS = 89U,
diff --git a/plat/nvidia/tegra/soc/t194/drivers/include/t194_nvg.h b/plat/nvidia/tegra/soc/t194/drivers/include/t194_nvg.h
index 7a68a43..ca74d2c 100644
--- a/plat/nvidia/tegra/soc/t194/drivers/include/t194_nvg.h
+++ b/plat/nvidia/tegra/soc/t194/drivers/include/t194_nvg.h
@@ -17,7 +17,7 @@
 
 /**
  * Current version - Major version increments may break backwards
- * compatiblity and binary compatibility. Minor version increments
+ * compatibility and binary compatibility. Minor version increments
  * occur when there is only new functionality.
  */
 enum {
diff --git a/plat/nvidia/tegra/soc/t194/plat_ras.c b/plat/nvidia/tegra/soc/t194/plat_ras.c
index a9fed0a..6d7e900 100644
--- a/plat/nvidia/tegra/soc/t194/plat_ras.c
+++ b/plat/nvidia/tegra/soc/t194/plat_ras.c
@@ -284,7 +284,7 @@
 	ERROR("RAS Error in %s, ERRSELR_EL1=0x%x:\n", name, errselr);
 	ERROR("\tStatus = 0x%" PRIx64 "\n", status);
 
-	/* Print uncorrectable errror information. */
+	/* Print uncorrectable error information. */
 	if (ERR_STATUS_GET_FIELD(status, UE) != 0U) {
 
 		ERR_STATUS_SET_FIELD(val, UE, 1);
diff --git a/plat/nxp/common/setup/ls_bl31_setup.c b/plat/nxp/common/setup/ls_bl31_setup.c
index bd0ab4f..3d0d804 100644
--- a/plat/nxp/common/setup/ls_bl31_setup.c
+++ b/plat/nxp/common/setup/ls_bl31_setup.c
@@ -174,7 +174,7 @@
 	soc_platform_setup();
 
 	/* Console logs gone missing as part going to
-	 * EL1 for initilizing Bl32 if present.
+	 * EL1 for initializing Bl32 if present.
 	 * console flush is necessary to avoid it.
 	 */
 	(void)console_flush();
diff --git a/plat/nxp/soc-ls1088a/include/soc.h b/plat/nxp/soc-ls1088a/include/soc.h
index eb36c2e..793feee 100644
--- a/plat/nxp/soc-ls1088a/include/soc.h
+++ b/plat/nxp/soc-ls1088a/include/soc.h
@@ -112,7 +112,7 @@
 #define IPSTPCR1_VALUE			0x000003FF
 #define IPSTPCR2_VALUE			0x00013006
 
-/* Dont' stop UART */
+/* Don't stop UART */
 #define IPSTPCR3_VALUE			0x0000033A
 
 #define IPSTPCR4_VALUE			0x00103300
diff --git a/plat/qti/common/src/qti_bl31_setup.c b/plat/qti/common/src/qti_bl31_setup.c
index dac0253..a5f5858 100644
--- a/plat/qti/common/src/qti_bl31_setup.c
+++ b/plat/qti/common/src/qti_bl31_setup.c
@@ -81,7 +81,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this only intializes the mmu in a quick and dirty way.
+ * moment this only initializes the mmu in a quick and dirty way.
  ******************************************************************************/
 void bl31_plat_arch_setup(void)
 {
diff --git a/plat/renesas/rcar/bl2_plat_setup.c b/plat/renesas/rcar/bl2_plat_setup.c
index f85db8d..9ec4bcd 100644
--- a/plat/renesas/rcar/bl2_plat_setup.c
+++ b/plat/renesas/rcar/bl2_plat_setup.c
@@ -1190,7 +1190,7 @@
 		break;
 	}
 #endif /* RCAR_LSI == RCAR_E3 */
-	/* Update memory mapped and register based freqency */
+	/* Update memory mapped and register based frequency */
 	write_cntfrq_el0((u_register_t )reg_cntfid);
 	mmio_write_32(ARM_SYS_CNTCTL_BASE + (uintptr_t)CNTFID_OFF, reg_cntfid);
 	/* Enable counter */
diff --git a/plat/rockchip/common/bl31_plat_setup.c b/plat/rockchip/common/bl31_plat_setup.c
index 98ef415..59db3d8 100644
--- a/plat/rockchip/common/bl31_plat_setup.c
+++ b/plat/rockchip/common/bl31_plat_setup.c
@@ -87,7 +87,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this is only intializes the mmu in a quick and dirty way.
+ * moment this is only initializes the mmu in a quick and dirty way.
  ******************************************************************************/
 void bl31_plat_arch_setup(void)
 {
diff --git a/plat/rockchip/common/drivers/pmu/pmu_com.h b/plat/rockchip/common/drivers/pmu/pmu_com.h
index 5359f73..022bb02 100644
--- a/plat/rockchip/common/drivers/pmu/pmu_com.h
+++ b/plat/rockchip/common/drivers/pmu/pmu_com.h
@@ -90,7 +90,7 @@
 
 	/*
 	 * wfe/wfi tracking not possible, hopefully the host
-	 * was sucessful in enabling wfe/wfi.
+	 * was successful in enabling wfe/wfi.
 	 * We'll give a bit of additional time, like the kernel does.
 	 */
 	if ((cluster_id && clstb_cpu_wfe < 0) ||
diff --git a/plat/rockchip/common/sp_min_plat_setup.c b/plat/rockchip/common/sp_min_plat_setup.c
index 0237b16..8fb3f8e 100644
--- a/plat/rockchip/common/sp_min_plat_setup.c
+++ b/plat/rockchip/common/sp_min_plat_setup.c
@@ -82,7 +82,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this is only intializes the mmu in a quick and dirty way.
+ * moment this is only initializes the mmu in a quick and dirty way.
  ******************************************************************************/
 void sp_min_plat_arch_setup(void)
 {
diff --git a/plat/rockchip/rk3288/drivers/pmu/pmu.c b/plat/rockchip/rk3288/drivers/pmu/pmu.c
index d6d7098..085976c 100644
--- a/plat/rockchip/rk3288/drivers/pmu/pmu.c
+++ b/plat/rockchip/rk3288/drivers/pmu/pmu.c
@@ -288,7 +288,7 @@
 	/*
 	 * We communicate with the bootrom to active the cpus other
 	 * than cpu0, after a blob of initialize code, they will
-	 * stay at wfe state, once they are actived, they will check
+	 * stay at wfe state, once they are activated, they will check
 	 * the mailbox:
 	 * sram_base_addr + 4: 0xdeadbeaf
 	 * sram_base_addr + 8: start address for pc
diff --git a/plat/rockchip/rk3288/drivers/soc/soc.c b/plat/rockchip/rk3288/drivers/soc/soc.c
index 36f410b..2316fbe 100644
--- a/plat/rockchip/rk3288/drivers/soc/soc.c
+++ b/plat/rockchip/rk3288/drivers/soc/soc.c
@@ -216,7 +216,7 @@
 
 	/*
 	 * Maybe the HW needs some times to reset the system,
-	 * so we do not hope the core to excute valid codes.
+	 * so we do not hope the core to execute valid codes.
 	 */
 	while (1)
 		;
diff --git a/plat/rockchip/rk3328/drivers/pmu/pmu.c b/plat/rockchip/rk3328/drivers/pmu/pmu.c
index a17fef9..597db97 100644
--- a/plat/rockchip/rk3328/drivers/pmu/pmu.c
+++ b/plat/rockchip/rk3328/drivers/pmu/pmu.c
@@ -202,7 +202,7 @@
 	dsb();
 	/*
 	 * Maybe the HW needs some times to reset the system,
-	 * so we do not hope the core to excute valid codes.
+	 * so we do not hope the core to execute valid codes.
 	 */
 	while (1)
 		;
@@ -210,7 +210,7 @@
 
 /*
  * For PMIC RK805, its sleep pin is connect with gpio2_d2 from rk3328.
- * If the PMIC is configed for responding the sleep pin to power off it,
+ * If the PMIC is configured for responding the sleep pin to power off it,
  * once the pin is output high,  it will get the pmic power off.
  */
 void __dead2 rockchip_soc_system_off(void)
@@ -462,7 +462,7 @@
 
 /*
  * For PMIC RK805, its sleep pin is connect with gpio2_d2 from rk3328.
- * If the PMIC is configed for responding the sleep pin
+ * If the PMIC is configured for responding the sleep pin
  * to get it into sleep mode,
  * once the pin is output high,  it will get the pmic into sleep mode.
  */
diff --git a/plat/rockchip/rk3328/drivers/soc/soc.h b/plat/rockchip/rk3328/drivers/soc/soc.h
index e8cbc09..e081f71 100644
--- a/plat/rockchip/rk3328/drivers/soc/soc.h
+++ b/plat/rockchip/rk3328/drivers/soc/soc.h
@@ -27,7 +27,7 @@
 	DPLL_ID,
 	CPLL_ID,
 	GPLL_ID,
-	REVERVE,
+	RESERVE,
 	NPLL_ID,
 	MAX_PLL,
 };
diff --git a/plat/rockchip/rk3368/drivers/soc/soc.c b/plat/rockchip/rk3368/drivers/soc/soc.c
index 7d51bb8..9bb237f 100644
--- a/plat/rockchip/rk3368/drivers/soc/soc.c
+++ b/plat/rockchip/rk3368/drivers/soc/soc.c
@@ -202,7 +202,7 @@
 
 	/*
 	 * Maybe the HW needs some times to reset the system,
-	 * so we do not hope the core to excute valid codes.
+	 * so we do not hope the core to execute valid codes.
 	 */
 	while (1)
 	;
diff --git a/plat/rockchip/rk3399/drivers/dram/dfs.c b/plat/rockchip/rk3399/drivers/dram/dfs.c
index 816372b..11b0373 100644
--- a/plat/rockchip/rk3399/drivers/dram/dfs.c
+++ b/plat/rockchip/rk3399/drivers/dram/dfs.c
@@ -1696,7 +1696,7 @@
 
 	pll_cnt = ARRAY_SIZE(dpll_rates_table);
 
-	/* Assumming rate_table is in descending order */
+	/* Assuming rate_table is in descending order */
 	for (i = 0; i < pll_cnt; i++) {
 		if (mhz >= dpll_rates_table[i].mhz)
 			break;
diff --git a/plat/rockchip/rk3399/drivers/dram/dram_spec_timing.h b/plat/rockchip/rk3399/drivers/dram/dram_spec_timing.h
index 9cda22c..102ba78 100644
--- a/plat/rockchip/rk3399/drivers/dram/dram_spec_timing.h
+++ b/plat/rockchip/rk3399/drivers/dram/dram_spec_timing.h
@@ -103,7 +103,7 @@
 	uint32_t tcksre;
 	uint32_t tcksrx;
 	uint32_t tdpd;
-	/* mode regiter timing */
+	/* mode register timing */
 	uint32_t tmod;
 	uint32_t tmrd;
 	uint32_t tmrr;
diff --git a/plat/rockchip/rk3399/drivers/dram/suspend.c b/plat/rockchip/rk3399/drivers/dram/suspend.c
index a8b1c32..caa784c 100644
--- a/plat/rockchip/rk3399/drivers/dram/suspend.c
+++ b/plat/rockchip/rk3399/drivers/dram/suspend.c
@@ -561,7 +561,7 @@
 
 	ch_count = sdram_params->num_channels;
 
-	/* LPDDR4 f2 cann't do training, all training will fail */
+	/* LPDDR4 f2 can't do training, all training will fail */
 	for (ch = 0; ch < ch_count; ch++) {
 		/*
 		 * Without this disabled for LPDDR4 we end up writing 0's
diff --git a/plat/rockchip/rk3399/drivers/m0/src/suspend.c b/plat/rockchip/rk3399/drivers/m0/src/suspend.c
index 9ad2fa2..8a0ea32 100644
--- a/plat/rockchip/rk3399/drivers/m0/src/suspend.c
+++ b/plat/rockchip/rk3399/drivers/m0/src/suspend.c
@@ -30,7 +30,7 @@
 	}
 
 	/*
-	 * FSM power secquence is .. -> ST_INPUT_CLAMP(step.17) -> .. ->
+	 * FSM power sequence is .. -> ST_INPUT_CLAMP(step.17) -> .. ->
 	 * ST_WAKEUP_RESET -> ST_EXT_PWRUP-> ST_RELEASE_CLAMP ->
 	 * ST_24M_OSC_EN -> .. -> ST_WAKEUP_RESET_CLR(step.26) -> ..,
 	 * INPUT_CLAMP and WAKEUP_RESET will hold the SOC not affect by
diff --git a/plat/rockchip/rk3399/drivers/secure/secure.h b/plat/rockchip/rk3399/drivers/secure/secure.h
index e31c999..79997b2 100644
--- a/plat/rockchip/rk3399/drivers/secure/secure.h
+++ b/plat/rockchip/rk3399/drivers/secure/secure.h
@@ -32,7 +32,7 @@
 /* security config pmu slave ip */
 /* All of slaves  is ns */
 #define SGRF_PMU_SLV_S_NS		BIT_WITH_WMSK(0)
-/* slaves secure attr is configed */
+/* slaves secure attr is configured */
 #define SGRF_PMU_SLV_S_CFGED		WMSK_BIT(0)
 #define SGRF_PMU_SLV_CRYPTO1_NS		WMSK_BIT(1)
 
diff --git a/plat/rockchip/rk3399/drivers/soc/soc.c b/plat/rockchip/rk3399/drivers/soc/soc.c
index 98b5ad6..e2b2934 100644
--- a/plat/rockchip/rk3399/drivers/soc/soc.c
+++ b/plat/rockchip/rk3399/drivers/soc/soc.c
@@ -343,7 +343,7 @@
 
 	/*
 	 * Maybe the HW needs some times to reset the system,
-	 * so we do not hope the core to excute valid codes.
+	 * so we do not hope the core to execute valid codes.
 	 */
 	while (1)
 		;
diff --git a/plat/rpi/rpi4/rpi4_pci_svc.c b/plat/rpi/rpi4/rpi4_pci_svc.c
index 7d1ca5c..e4ef5c1 100644
--- a/plat/rpi/rpi4/rpi4_pci_svc.c
+++ b/plat/rpi/rpi4/rpi4_pci_svc.c
@@ -11,7 +11,7 @@
  * it. Given that it's not ECAM compliant yet reasonably simple, it makes for
  * an excellent example of the PCI SMCCC interface.
  *
- * The PCI SMCCC interface is described in DEN0115 availabe from:
+ * The PCI SMCCC interface is described in DEN0115 available from:
  * https://developer.arm.com/documentation/den0115/latest
  */
 
diff --git a/plat/st/stm32mp1/stm32mp1_pm.c b/plat/st/stm32mp1/stm32mp1_pm.c
index 7439381..8e1c1cf 100644
--- a/plat/st/stm32mp1/stm32mp1_pm.c
+++ b/plat/st/stm32mp1/stm32mp1_pm.c
@@ -42,7 +42,7 @@
 	while (interrupt == GIC_SPURIOUS_INTERRUPT) {
 		wfi();
 
-		/* Acknoledge IT */
+		/* Acknowledge IT */
 		interrupt = gicv2_acknowledge_interrupt();
 		/* If Interrupt == 1022 it will be acknowledged by non secure */
 		if ((interrupt != PENDING_G1_INTID) &&
diff --git a/plat/xilinx/common/plat_startup.c b/plat/xilinx/common/plat_startup.c
index 6a83e9e..539aba2 100644
--- a/plat/xilinx/common/plat_startup.c
+++ b/plat/xilinx/common/plat_startup.c
@@ -135,7 +135,7 @@
  * @bl33:	BL33 image info structure
  * atf_handoff_addr:  ATF handoff address
  *
- * Process the handoff paramters from the FSBL and populate the BL32 and BL33
+ * Process the handoff parameters from the FSBL and populate the BL32 and BL33
  * image info structures accordingly.
  *
  * Return: Return the status of the handoff. The value will be from the
diff --git a/plat/xilinx/zynqmp/pm_service/zynqmp_pm_api_sys.c b/plat/xilinx/zynqmp/pm_service/zynqmp_pm_api_sys.c
index fb7b009..85e1464 100644
--- a/plat/xilinx/zynqmp/pm_service/zynqmp_pm_api_sys.c
+++ b/plat/xilinx/zynqmp/pm_service/zynqmp_pm_api_sys.c
@@ -635,7 +635,7 @@
  * pm_secure_rsaaes() - Load the secure images.
  *
  * This function provides access to the xilsecure library to load
- * the authenticated, encrypted, and authenicated/encrypted images.
+ * the authenticated, encrypted, and authenticated/encrypted images.
  *
  * address_low: lower 32-bit Linear memory space address
  *
diff --git a/plat/xilinx/zynqmp/pm_service/zynqmp_pm_svc_main.c b/plat/xilinx/zynqmp/pm_service/zynqmp_pm_svc_main.c
index c0c5d14..7b15443 100644
--- a/plat/xilinx/zynqmp/pm_service/zynqmp_pm_svc_main.c
+++ b/plat/xilinx/zynqmp/pm_service/zynqmp_pm_svc_main.c
@@ -99,7 +99,7 @@
  * for warm restart.
  *
  * In presence of non-secure software layers (EL1/2) sets the interrupt
- * at registered entrance in GIC and informs that PMU responsed or demands
+ * at registered entrance in GIC and informs that PMU responded or demands
  * action.
  */
 static uint64_t ttc_fiq_handler(uint32_t id, uint32_t flags, void *handle,
diff --git a/plat/xilinx/zynqmp/tsp/tsp_plat_setup.c b/plat/xilinx/zynqmp/tsp/tsp_plat_setup.c
index b51369a..eaecb89 100644
--- a/plat/xilinx/zynqmp/tsp/tsp_plat_setup.c
+++ b/plat/xilinx/zynqmp/tsp/tsp_plat_setup.c
@@ -43,7 +43,7 @@
 
 /*******************************************************************************
  * Perform the very early platform specific architectural setup here. At the
- * moment this is only intializes the MMU
+ * moment this is only initializes the MMU
  ******************************************************************************/
 void tsp_plat_arch_setup(void)
 {
diff --git a/services/std_svc/drtm/drtm_measurements.c b/services/std_svc/drtm/drtm_measurements.c
index a8f2b32..8d514b7 100644
--- a/services/std_svc/drtm/drtm_measurements.c
+++ b/services/std_svc/drtm/drtm_measurements.c
@@ -47,7 +47,7 @@
 	metadata.pcr = pcr;
 
 	/*
-	 * Measure the payloads requested by D-CRTM and DCE commponents
+	 * Measure the payloads requested by D-CRTM and DCE components
 	 * Hash algorithm decided by the Event Log driver at build-time
 	 */
 	rc = event_log_measure(data_base, data_size, hash_data);
diff --git a/services/std_svc/spm/el3_spmc/spmc_setup.c b/services/std_svc/spm/el3_spmc/spmc_setup.c
index 8ebae28..6de25f6 100644
--- a/services/std_svc/spm/el3_spmc/spmc_setup.c
+++ b/services/std_svc/spm/el3_spmc/spmc_setup.c
@@ -90,7 +90,7 @@
 			   boot_header->offset_boot_info_desc);
 
 	/*
-	 * We must use the FF-A version coresponding to the version implemented
+	 * We must use the FF-A version corresponding to the version implemented
 	 * by the SP. Currently this can only be v1.1.
 	 */
 	boot_header->version = sp->ffa_version;
diff --git a/services/std_svc/spm/spm_mm/spm_mm_main.c b/services/std_svc/spm/spm_mm/spm_mm_main.c
index 8525cd2..1ff7bb7 100644
--- a/services/std_svc/spm/spm_mm/spm_mm_main.c
+++ b/services/std_svc/spm/spm_mm/spm_mm_main.c
@@ -254,7 +254,7 @@
 	/*
 	 * The current secure partition design mandates
 	 * - at any point, only a single core can be
-	 *   executing in the secure partiton.
+	 *   executing in the secure partition.
 	 * - a core cannot be preempted by an interrupt
 	 *   while executing in secure partition.
 	 * Raise the running priority of the core to the
diff --git a/tools/fiptool/win_posix.h b/tools/fiptool/win_posix.h
index 6f0d8e6..1340640 100644
--- a/tools/fiptool/win_posix.h
+++ b/tools/fiptool/win_posix.h
@@ -149,7 +149,7 @@
  * Windows does not have the getopt family of functions, as it normally
  * uses '/' instead of '-' as the command line option delimiter.
  * These functions provide a Windows version that  uses '-', which precludes
- * using '-' as the intial letter of a program argument.
+ * using '-' as the initial letter of a program argument.
  * This is not seen as a problem in the specific instance of fiptool,
  * and enables existing makefiles to work on a Windows build environment.
  */
diff --git a/tools/nxp/create_pbl/create_pbl.c b/tools/nxp/create_pbl/create_pbl.c
index 792747f..c277e39 100644
--- a/tools/nxp/create_pbl/create_pbl.c
+++ b/tools/nxp/create_pbl/create_pbl.c
@@ -912,7 +912,7 @@
 		while (word != 0x808f0000 && word != 0x80ff0000) {
 			pbl_size++;
 			/* 11th words in RCW has PBL length. Update it
-			 * with new length. 2 comamnds get added
+			 * with new length. 2 commands get added
 			 * Block copy + CCSR Write/CSF header write
 			 */
 			if (pbl_size == 11) {