diff --git a/Documentation/devicetree/bindings/serial/altera_jtaguart.txt b/Documentation/devicetree/bindings/serial/altera_jtaguart.txt
index c152f65f9a280b9971b9e4a70b393c511737e0a8..55a901051e8fb5c3e64ba359593606cb9fa9a23a 100644
--- a/Documentation/devicetree/bindings/serial/altera_jtaguart.txt
+++ b/Documentation/devicetree/bindings/serial/altera_jtaguart.txt
@@ -1,4 +1,5 @@
 Altera JTAG UART
 
 Required properties:
-- compatible : should be "ALTR,juart-1.0"
+- compatible : should be "ALTR,juart-1.0" <DEPRECATED>
+- compatible : should be "altr,juart-1.0"
diff --git a/Documentation/devicetree/bindings/serial/altera_uart.txt b/Documentation/devicetree/bindings/serial/altera_uart.txt
index 71cae3f701000760522d48c82035b5d8a6fbfe2e..81bf7ffb1a810a3c337896b46b3ee4f23146b211 100644
--- a/Documentation/devicetree/bindings/serial/altera_uart.txt
+++ b/Documentation/devicetree/bindings/serial/altera_uart.txt
@@ -1,7 +1,8 @@
 Altera UART
 
 Required properties:
-- compatible : should be "ALTR,uart-1.0"
+- compatible : should be "ALTR,uart-1.0" <DEPRECATED>
+- compatible : should be "altr,uart-1.0"
 
 Optional properties:
 - clock-frequency : frequency of the clock input to the UART
diff --git a/Documentation/devicetree/bindings/serio/altera_ps2.txt b/Documentation/devicetree/bindings/serio/altera_ps2.txt
index 4d9eecc2ef7de9066f24a8c593a735e675184962..520199e2e3477396e792f88d18b4059cb5635568 100644
--- a/Documentation/devicetree/bindings/serio/altera_ps2.txt
+++ b/Documentation/devicetree/bindings/serio/altera_ps2.txt
@@ -1,4 +1,5 @@
 Altera UP PS/2 controller
 
 Required properties:
-- compatible : should be "ALTR,ps2-1.0".
+- compatible : should be "ALTR,ps2-1.0". <DEPRECATED>
+- compatible : should be "altr,ps2-1.0".
diff --git a/Documentation/devicetree/bindings/spi/spi_altera.txt b/Documentation/devicetree/bindings/spi/spi_altera.txt
index dda375943506152bd665e35f24080073365aad35..31319dcf30ab78513f7355d1b28d1f439c052cab 100644
--- a/Documentation/devicetree/bindings/spi/spi_altera.txt
+++ b/Documentation/devicetree/bindings/spi/spi_altera.txt
@@ -1,4 +1,5 @@
 Altera SPI
 
 Required properties:
-- compatible : should be "ALTR,spi-1.0".
+- compatible : should be "ALTR,spi-1.0". <DEPRECATED>
+- compatible : should be "altr,spi-1.0".
diff --git a/drivers/input/serio/altera_ps2.c b/drivers/input/serio/altera_ps2.c
index a0a2657e31ffa1a5622a6192d15d4e6746f6e23c..4777a73cd39024022307a90868cf65fc43490caf 100644
--- a/drivers/input/serio/altera_ps2.c
+++ b/drivers/input/serio/altera_ps2.c
@@ -176,6 +176,7 @@ static int altera_ps2_remove(struct platform_device *pdev)
 #ifdef CONFIG_OF
 static const struct of_device_id altera_ps2_match[] = {
 	{ .compatible = "ALTR,ps2-1.0", },
+	{ .compatible = "altr,ps2-1.0", },
 	{},
 };
 MODULE_DEVICE_TABLE(of, altera_ps2_match);
diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c
index 81b9adb6e766bdae0b0f6c9de4836ecfaffc490a..7456eef201a6f9c508c40f2fa08199dfe5891f44 100644
--- a/drivers/spi/spi-altera.c
+++ b/drivers/spi/spi-altera.c
@@ -302,6 +302,7 @@ static int altera_spi_remove(struct platform_device *dev)
 #ifdef CONFIG_OF
 static const struct of_device_id altera_spi_match[] = {
 	{ .compatible = "ALTR,spi-1.0", },
+	{ .compatible = "altr,spi-1.0", },
 	{},
 };
 MODULE_DEVICE_TABLE(of, altera_spi_match);
diff --git a/drivers/tty/serial/altera_jtaguart.c b/drivers/tty/serial/altera_jtaguart.c
index c6bdb943726b0494a9deab39a5be591edb76cf9a..dbc7f121162f67737a254b02fa71a39efe7d41ad 100644
--- a/drivers/tty/serial/altera_jtaguart.c
+++ b/drivers/tty/serial/altera_jtaguart.c
@@ -470,6 +470,7 @@ static int altera_jtaguart_remove(struct platform_device *pdev)
 #ifdef CONFIG_OF
 static struct of_device_id altera_jtaguart_match[] = {
 	{ .compatible = "ALTR,juart-1.0", },
+	{ .compatible = "altr,juart-1.0", },
 	{},
 };
 MODULE_DEVICE_TABLE(of, altera_jtaguart_match);
diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c
index 1d46966e2a65cc742c8d8920fe8004d4bcad3a48..8b5a8a2caebc9a6dc95dba5b10a1340f4d5f1e20 100644
--- a/drivers/tty/serial/altera_uart.c
+++ b/drivers/tty/serial/altera_uart.c
@@ -613,6 +613,7 @@ static int altera_uart_remove(struct platform_device *pdev)
 #ifdef CONFIG_OF
 static struct of_device_id altera_uart_match[] = {
 	{ .compatible = "ALTR,uart-1.0", },
+	{ .compatible = "altr,uart-1.0", },
 	{},
 };
 MODULE_DEVICE_TABLE(of, altera_uart_match);