[PATCH v3 03/21] ARM: dts: omap: Add generic compatible string for I2C EEPROM

Javier Martinez Canillas javier at osg.samsung.com
Thu Apr 13 21:04:27 EDT 2017


The at24 driver allows to register I2C EEPROM chips using different vendor
and devices, but the I2C subsystem does not take the vendor into account
when matching using the I2C table since it only has device entries.

But when matching using an OF table, both the vendor and device has to be
taken into account so the driver defines only a set of compatible strings
using the "atmel" vendor as a generic fallback for compatible I2C devices.

So add this generic fallback to the device node compatible string to make
the device to match the driver using the OF device ID table.

Signed-off-by: Javier Martinez Canillas <javier at osg.samsung.com>
---

Changes in v3: None
Changes in v2: None

 arch/arm/boot/dts/am335x-baltos.dtsi            |  2 +-
 arch/arm/boot/dts/am335x-base0033.dts           |  2 +-
 arch/arm/boot/dts/am335x-bone-common.dtsi       | 10 +++++-----
 arch/arm/boot/dts/am335x-nano.dts               |  2 +-
 arch/arm/boot/dts/am335x-pepper.dts             |  2 +-
 arch/arm/boot/dts/am335x-shc.dts                |  2 +-
 arch/arm/boot/dts/am335x-sl50.dts               |  2 +-
 arch/arm/boot/dts/am437x-idk-evm.dts            |  2 +-
 arch/arm/boot/dts/am437x-sk-evm.dts             |  2 +-
 arch/arm/boot/dts/am43x-epos-evm.dts            |  2 +-
 arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi |  2 +-
 arch/arm/boot/dts/omap3-cm-t3x.dtsi             |  2 +-
 arch/arm/boot/dts/omap3-gta04.dtsi              |  2 +-
 arch/arm/boot/dts/omap3-sb-t35.dtsi             |  2 +-
 arch/arm/boot/dts/omap4-var-som-om44.dtsi       |  2 +-
 arch/arm/boot/dts/omap5-cm-t54.dts              |  2 +-
 arch/arm/boot/dts/omap5-sbc-t54.dts             |  2 +-
 17 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/arch/arm/boot/dts/am335x-baltos.dtsi b/arch/arm/boot/dts/am335x-baltos.dtsi
index d42b98f15e8b..6ca780d0623f 100644
--- a/arch/arm/boot/dts/am335x-baltos.dtsi
+++ b/arch/arm/boot/dts/am335x-baltos.dtsi
@@ -255,7 +255,7 @@
 	};
 
 	at24 at 50 {
-		compatible = "at24,24c02";
+		compatible = "at24,24c02", "atmel,24c02";
 		pagesize = <8>;
 		reg = <0x50>;
 	};
diff --git a/arch/arm/boot/dts/am335x-base0033.dts b/arch/arm/boot/dts/am335x-base0033.dts
index c2bee452dab8..062067251106 100644
--- a/arch/arm/boot/dts/am335x-base0033.dts
+++ b/arch/arm/boot/dts/am335x-base0033.dts
@@ -89,7 +89,7 @@
 
 &i2c0 {
 	eeprom: eeprom at 50 {
-		compatible = "at,24c256";
+		compatible = "at,24c256", "atmel,24c256";
 		reg = <0x50>;
 	};
 };
diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index bf6b26abe35b..49c8c9409ce3 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -232,7 +232,7 @@
 	};
 
 	baseboard_eeprom: baseboard_eeprom at 50 {
-		compatible = "at,24c256";
+		compatible = "at,24c256", "atmel,24c256";
 		reg = <0x50>;
 
 		#address-cells = <1>;
@@ -251,7 +251,7 @@
 	clock-frequency = <100000>;
 
 	cape_eeprom0: cape_eeprom0 at 54 {
-		compatible = "at,24c256";
+		compatible = "at,24c256", "atmel,24c256";
 		reg = <0x54>;
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -261,7 +261,7 @@
 	};
 
 	cape_eeprom1: cape_eeprom1 at 55 {
-		compatible = "at,24c256";
+		compatible = "at,24c256", "atmel,24c256";
 		reg = <0x55>;
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -271,7 +271,7 @@
 	};
 
 	cape_eeprom2: cape_eeprom2 at 56 {
-		compatible = "at,24c256";
+		compatible = "at,24c256", "atmel,24c256";
 		reg = <0x56>;
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -281,7 +281,7 @@
 	};
 
 	cape_eeprom3: cape_eeprom3 at 57 {
-		compatible = "at,24c256";
+		compatible = "at,24c256", "atmel,24c256";
 		reg = <0x57>;
 		#address-cells = <1>;
 		#size-cells = <1>;
diff --git a/arch/arm/boot/dts/am335x-nano.dts b/arch/arm/boot/dts/am335x-nano.dts
index 807494bc722b..946d7069f417 100644
--- a/arch/arm/boot/dts/am335x-nano.dts
+++ b/arch/arm/boot/dts/am335x-nano.dts
@@ -224,7 +224,7 @@
 	};
 
 	eeprom at 53 {
-		compatible = "microchip,24c02";
+		compatible = "microchip,24c02", "atmel,24c02";
 		reg = <0x53>;
 		pagesize = <8>;
 	};
diff --git a/arch/arm/boot/dts/am335x-pepper.dts b/arch/arm/boot/dts/am335x-pepper.dts
index 30e2f8770aaf..368cef158a19 100644
--- a/arch/arm/boot/dts/am335x-pepper.dts
+++ b/arch/arm/boot/dts/am335x-pepper.dts
@@ -67,7 +67,7 @@
 	};
 
 	eeprom: eeprom at 50 {
-		compatible = "at,24c256";
+		compatible = "at,24c256", "atmel,24c256";
 		reg = <0x50>;
 	};
 
diff --git a/arch/arm/boot/dts/am335x-shc.dts b/arch/arm/boot/dts/am335x-shc.dts
index bf8727a19ece..6a14b8478af0 100644
--- a/arch/arm/boot/dts/am335x-shc.dts
+++ b/arch/arm/boot/dts/am335x-shc.dts
@@ -188,7 +188,7 @@
 	};
 
 	at24 at 50 {
-		compatible = "at24,24c32";
+		compatible = "at24,24c32", "atmel,24c32";
 		pagesize = <32>;
 		reg = <0x50>;
 	};
diff --git a/arch/arm/boot/dts/am335x-sl50.dts b/arch/arm/boot/dts/am335x-sl50.dts
index c5d2589c55fc..d03678de140c 100644
--- a/arch/arm/boot/dts/am335x-sl50.dts
+++ b/arch/arm/boot/dts/am335x-sl50.dts
@@ -309,7 +309,7 @@
 	};
 
 	eeprom: eeprom at 50 {
-		compatible = "at,24c256";
+		compatible = "at,24c256", "atmel,24c256";
 		reg = <0x50>;
 	};
 
diff --git a/arch/arm/boot/dts/am437x-idk-evm.dts b/arch/arm/boot/dts/am437x-idk-evm.dts
index c1f7f9336e64..6c831663a75f 100644
--- a/arch/arm/boot/dts/am437x-idk-evm.dts
+++ b/arch/arm/boot/dts/am437x-idk-evm.dts
@@ -339,7 +339,7 @@
 	clock-frequency = <400000>;
 
 	at24 at 50 {
-		compatible = "at24,24c256";
+		compatible = "at24,24c256", "atmel,24c256";
 		pagesize = <64>;
 		reg = <0x50>;
 	};
diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts
index 4dc54bee2f36..1531b295336e 100644
--- a/arch/arm/boot/dts/am437x-sk-evm.dts
+++ b/arch/arm/boot/dts/am437x-sk-evm.dts
@@ -511,7 +511,7 @@
 	};
 
 	at24 at 50 {
-		compatible = "at24,24c256";
+		compatible = "at24,24c256", "atmel,24c256";
 		pagesize = <64>;
 		reg = <0x50>;
 	};
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index 9acd4ccdec4e..ca9b11375298 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -477,7 +477,7 @@
 	};
 
 	at24 at 50 {
-		compatible = "at24,24c256";
+		compatible = "at24,24c256", "atmel,24c256";
 		pagesize = <64>;
 		reg = <0x50>;
 	};
diff --git a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
index 585d792a8fdd..6af022540300 100644
--- a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
+++ b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
@@ -388,7 +388,7 @@
 	};
 
 	eeprom: eeprom at 50 {
-		compatible = "at,24c32";
+		compatible = "at,24c32", "atmel,24c32";
 		reg = <0x50>;
 	};
 };
diff --git a/arch/arm/boot/dts/omap3-cm-t3x.dtsi b/arch/arm/boot/dts/omap3-cm-t3x.dtsi
index 57b9a028a49a..d960f1b3b4b1 100644
--- a/arch/arm/boot/dts/omap3-cm-t3x.dtsi
+++ b/arch/arm/boot/dts/omap3-cm-t3x.dtsi
@@ -188,7 +188,7 @@
 	clock-frequency = <400000>;
 
 	at24 at 50 {
-		compatible = "at24,24c02";
+		compatible = "at24,24c02", "atmel,24c02";
 		pagesize = <16>;
 		reg = <0x50>;
 	};
diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
index b3a8b1f24499..430ab832783b 100644
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -418,7 +418,7 @@
 
 	/* RFID EEPROM */
 	m24lr64 at 50 {
-		compatible = "at,24c64";
+		compatible = "at,24c64", "atmel,24c64";
 		reg = <0x50>;
 	};
 };
diff --git a/arch/arm/boot/dts/omap3-sb-t35.dtsi b/arch/arm/boot/dts/omap3-sb-t35.dtsi
index 73643fabde5d..e54091fbd40b 100644
--- a/arch/arm/boot/dts/omap3-sb-t35.dtsi
+++ b/arch/arm/boot/dts/omap3-sb-t35.dtsi
@@ -90,7 +90,7 @@
 	clock-frequency = <400000>;
 
 	at24 at 50 {
-		compatible = "at24,24c02";
+		compatible = "at24,24c02", "atmel,24c02";
 		pagesize = <16>;
 		reg = <0x50>;
 	};
diff --git a/arch/arm/boot/dts/omap4-var-som-om44.dtsi b/arch/arm/boot/dts/omap4-var-som-om44.dtsi
index 758b6eb7ae43..6500bfc8d130 100644
--- a/arch/arm/boot/dts/omap4-var-som-om44.dtsi
+++ b/arch/arm/boot/dts/omap4-var-som-om44.dtsi
@@ -241,7 +241,7 @@
 	};
 
 	eeprom at 50 {
-		compatible = "microchip,24c32";
+		compatible = "microchip,24c32", "atmel,24c32";
 		reg = <0x50>;
 	};
 };
diff --git a/arch/arm/boot/dts/omap5-cm-t54.dts b/arch/arm/boot/dts/omap5-cm-t54.dts
index b153f604932a..e0e31bfbf0e0 100644
--- a/arch/arm/boot/dts/omap5-cm-t54.dts
+++ b/arch/arm/boot/dts/omap5-cm-t54.dts
@@ -404,7 +404,7 @@
 	clock-frequency = <400000>;
 
 	at24 at 50 {
-		compatible = "at24,24c02";
+		compatible = "at24,24c02", "atmel,24c02";
 		pagesize = <16>;
 		reg = <0x50>;
 	};
diff --git a/arch/arm/boot/dts/omap5-sbc-t54.dts b/arch/arm/boot/dts/omap5-sbc-t54.dts
index 337bbbc01a35..efc70f80abae 100644
--- a/arch/arm/boot/dts/omap5-sbc-t54.dts
+++ b/arch/arm/boot/dts/omap5-sbc-t54.dts
@@ -44,7 +44,7 @@
 	clock-frequency = <400000>;
 
 	at24 at 50 {
-		compatible = "at24,24c02";
+		compatible = "at24,24c02", "atmel,24c02";
 		pagesize = <16>;
 		reg = <0x50>;
 	};
-- 
2.9.3




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